Unassociated Document



 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY
 
Investment Company Act file number 811-06379
 
Nuveen Insured Municipal Opportunity Fund, Inc.
(Exact name of registrant as specified in charter)
 
Nuveen Investments
        333 West Wacker Drive, Chicago, Illinois 60606         
(Address of principal executive offices) (Zip code)
 

Kevin J. McCarthy
Vice President and Secretary
        333 West Wacker Drive, Chicago, Illinois 60606         
(Name and address of agent for service)
 
Registrant's telephone number, including area code:         312-917-7700        
 
Date of fiscal year end:            10/31          
 
Date of reporting period:         7/31/10         
 
Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (§§ 239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after the close of the first and third fiscal quarters, pursuant to rule 30b1-5 under the Investment Company Act of 1940 (17 CFR 270.30b1-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles.
 
A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to the Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. § 3507.

 
 
 

 
Item 1. Schedule of Investments
 

           
   
Portfolio of Investments (Unaudited)
     
   
   Nuveen Insured Municipal Opportunity Fund, Inc. (NIO)
     
   
   July 31, 2010
     
Principal
   
Optional Call
   
Amount (000)
 
Description (1)
Provisions (2)
Ratings (3)
Value
   
Alabama – 4.9% (3.2% of Total Investments)
     
$      10,500 
 
Birmingham Waterworks and Sewerage Board, Alabama, Water and Sewerage Revenue Bonds, 
1/17 at 100.00 
AA+ 
$     10,202,955 
   
Series 2007A, 4.500%, 1/01/43 – AMBAC Insured (UB) 
     
11,175 
 
Hoover Board of Education, Alabama, Capital Outlay Tax Anticipation Warrants, Series 2001, 
2/11 at 100.00 
AA 
11,277,922 
   
5.250%, 2/15/22 – NPFG Insured 
     
2,500 
 
Jefferson County, Alabama, Sewer Revenue Capital Improvement Warrants, Series 2002B, 5.125%, 
8/12 at 100.00 
AAA 
2,729,125 
   
2/01/42 (Pre-refunded 8/01/12) – FGIC Insured 
     
   
Jefferson County, Alabama, Sewer Revenue Capital Improvement Warrants, Series 2002D: 
     
425 
 
5.000%, 2/01/38 (Pre-refunded 8/01/12) – FGIC Insured 
8/12 at 100.00 
AAA 
454,946 
14,800 
 
5.000%, 2/01/42 (Pre-refunded 8/01/12) – FGIC Insured 
8/12 at 100.00 
AAA 
16,119,568 
18,760 
 
Jefferson County, Alabama, Sewer Revenue Capitol Improvement Warrants, Series 2001A, 5.000%, 
2/11 at 101.00 
AAA 
19,292,596 
   
2/01/41 (Pre-refunded 2/01/11) – FGIC Insured 
     
10,195 
 
Jefferson County, Alabama, Sewer Revenue Refunding Warrants, Series 1997A, 5.375%, 2/01/27 – 
10/10 at 100.00 
Caa3 
3,900,304 
   
FGIC Insured 
     
5,240 
 
Jefferson County, Alabama, Sewer Revenue Refunding Warrants, Series 2003B, 5.000%, 2/01/41 
2/11 at 101.00 
AAA 
5,404,694 
   
(Pre-refunded 2/01/11) – FGIC Insured 
     
73,595 
 
Total Alabama 
   
69,382,110 
   
Alaska – 0.1% (0.1% of Total Investments)
     
1,630 
 
Alaska Housing Finance Corporation, Collateralized Veterans Mortgage Program Bonds, First 
12/10 at 100.00 
AAA 
1,631,533 
   
Series 1999A-1, 6.150%, 6/01/39 
     
   
Arizona – 2.1% (1.4% of Total Investments)
     
   
Arizona State University, Certificates of Participation, Resh Infrastructure Projects, 
     
   
Series 2005A: 
     
2,000 
 
5.000%, 9/01/25 – AMBAC Insured 
3/15 at 100.00 
AA– 
2,047,180 
2,000 
 
5.000%, 9/01/27 – AMBAC Insured 
3/15 at 100.00 
AA– 
2,028,940 
1,000 
 
Arizona State University, System Revenue Bonds, Series 2005, 5.000%, 7/01/27 – AMBAC Insured 
7/15 at 100.00 
Aa3 
1,012,340 
3,000 
 
Arizona State, Certificates of Participation, Department of Administration Series 2010B, 
4/20 at 100.00 
AAA 
3,056,250 
   
5.000%, 10/01/29 – AGC Insured 
     
1,000 
 
Maricopa County Union High School District 210, Phoenix, Arizona, General Obligation Bonds, 
7/14 at 100.00 
AAA 
1,164,050 
   
Series 2004A, 5.000%, 7/01/22 (Pre-refunded 7/01/14) – AGM Insured 
     
5,200 
 
Mesa, Arizona, Utility System Revenue Bonds, Reset Option Longs, Series 11032- 11034, 14.553%, 
7/17 at 100.00 
AAA 
4,831,424 
   
7/01/26 – AGM Insured (IF) 
     
1,150 
 
Phoenix Civic Improvement Corporation, Arizona, Junior Lien Wastewater System Revenue Bonds, 
7/14 at 100.00 
AA+ 
1,198,934 
   
Series 2004, 5.000%, 7/01/27 – NPFG Insured 
     
13,490 
 
Phoenix Civic Improvement Corporation, Arizona, Junior Lien Water System Revenue Bonds, Series 
7/15 at 100.00 
AAA 
14,130,640 
   
2005, 4.750%, 7/01/25 – NPFG Insured 
     
28,840 
 
Total Arizona 
   
29,469,758 
   
Arkansas – 0.2% (0.1% of Total Investments)
     
2,660 
 
Arkansas State University, Student Fee Revenue Bonds, Beebe Campus, Series 2006, 5.000%, 
9/15 at 100.00 
A1 
2,721,579 
   
9/01/35 – AMBAC Insured 
     
   
California – 25.0% (16.2% of Total Investments)
     
5,600 
 
Alameda Corridor Transportation Authority, California, Subordinate Lien Revenue Bonds, Series 
No Opt. Call 
A– 
3,225,880 
   
2004A, 0.000%, 10/01/20 – AMBAC Insured 
     
10,000 
 
California Department of Veterans Affairs, Home Purchase Revenue Bonds, Series 2002A, 5.300%, 
6/12 at 101.00 
AA 
10,304,900 
   
12/01/21 – AMBAC Insured 
     
   
California Department of Water Resources, Power Supply Revenue Bonds, Series 2002A: 
     
30,000 
 
5.375%, 5/01/17 (Pre-refunded 5/01/12) – SYNCORA GTY Insured 
5/12 at 101.00 
Aaa 
32,940,000 
20,000 
 
5.375%, 5/01/18 (Pre-refunded 5/01/12) – AMBAC Insured 
5/12 at 101.00 
Aaa 
21,960,000 
   
California Department of Water Resources, Water System Revenue Bonds, Central Valley Project, 
     
   
Series 2005AC: 
     
30 
 
5.000%, 12/01/24 (Pre-refunded 12/01/14) – NPFG Insured 
12/14 at 100.00 
AAA 
35,283 
25 
 
5.000%, 12/01/27 (Pre-refunded 12/01/14) – NPFG Insured 
12/14 at 100.00 
AAA 
29,403 
   
California Department of Water Resources, Water System Revenue Bonds, Central Valley Project, 
     
   
Series 2005AC: 
     
3,670 
 
5.000%, 12/01/24 – NPFG Insured (UB) 
12/14 at 100.00 
AAA 
3,963,563 
2,795 
 
5.000%, 12/01/27 – NPFG Insured (UB) 
12/14 at 100.00 
AAA 
2,936,343 
10,150 
 
California, General Obligation Bonds, Series 2004, 5.000%, 6/01/31 – AMBAC Insured 
12/14 at 100.00 
A1 
10,097,322 
3,500 
 
Coachella Valley Unified School District, Riverside County, California, General Obligation 
8/15 at 100.00 
A1 
3,558,030 
   
Bonds, Series 2005A, 5.000%, 8/01/26 – FGIC Insured 
     
20,000 
 
Cucamonga County Water District, San Bernardino County, California, Certificates of 
9/11 at 101.00 
AA– 
20,107,000 
   
Participation, Water Shares Purchase, Series 2001, 5.125%, 9/01/35 – FGIC Insured 
     
5,750 
 
East Bay Municipal Utility District, Alameda and Contra Costa Counties, California, Water 
6/15 at 100.00 
AAA 
6,121,163 
   
System Subordinated Revenue Bonds, Series 2005A, 5.000%, 6/01/27 – NPFG Insured 
     
10,000 
 
Golden State Tobacco Securitization Corporation, California, Enhanced Tobacco Settlement 
6/15 at 100.00 
A2 
9,331,300 
   
Asset-Backed Revenue Bonds, Series 2005A, 5.000%, 6/01/38 – FGIC Insured 
     
1,520 
 
Hayward Redevelopment Agency, California, Downtown Redevelopment Project Tax Allocation 
3/16 at 100.00 
A– 
1,368,152 
   
Bonds, Series 2006, 5.000%, 3/01/36 – SYNCORA GTY Insured 
     
5,600 
 
Kern Community College District, California, General Obligation Bonds, Series 2006, 0.000%, 
No Opt. Call 
AAA 
2,635,696 
   
11/01/24 – AGM Insured 
     
5,000 
 
Long Beach Bond Financing Authority, California, Lease Revenue Refunding Bonds, Long Beach 
11/11 at 101.00 
BBB 
4,702,700 
   
Aquarium of the South Pacific, Series 2001, 5.250%, 11/01/30 – AMBAC Insured 
     
2,740 
 
Los Angeles Harbors Department, California, Revenue Bonds, Series 2006A, 5.000%, 8/01/22 – 
8/16 at 102.00 
AA 
2,895,111 
   
FGIC Insured (Alternative Minimum Tax) 
     
20,000 
 
Los Angeles Unified School District, California, General Obligation Bonds, Series 2003A, 
7/13 at 100.00 
AAA 
21,334,200 
   
5.000%, 7/01/21 – AGM Insured 
     
3,000 
 
Los Angeles Unified School District, California, General Obligation Bonds, Series 2006F, 
7/16 at 100.00 
Aa2 
3,151,800 
   
5.000%, 7/01/24 – FGIC Insured 
     
5,200 
 
Palomar Pomerado Health, California, General Obligation Bonds, Series 2009A, 0.000%, 8/01/38 – 
8/29 at 100.00 
AAA 
3,307,356 
   
AGC Insured 
     
5,515 
 
Port of Oakland, California, Revenue Bonds, Series 2002L, 5.000%, 11/01/22 – FGIC Insured 
11/12 at 100.00 
5,559,782 
   
(Alternative Minimum Tax) 
     
690 
 
Port of Oakland, California, Revenue Bonds, Series 2002L, 5.000%, 11/01/22 (Pre-refunded 
11/12 at 100.00 
A (4) 
760,794 
   
11/01/12) – FGIC Insured 
     
   
Poway Redevelopment Agency, California, Tax Allocation Bonds, Paguay Redevelopment Project, 
     
   
Series 2001: 
     
15,000 
 
5.200%, 6/15/30 – AMBAC Insured 
12/11 at 101.00 
N/R 
14,233,350 
5,000 
 
5.125%, 6/15/33 – AMBAC Insured 
12/11 at 101.00 
N/R 
4,557,450 
2,035 
 
Redding, California, Electric System Revenue Certificates of Participation, Series 2005, 
6/15 at 100.00 
1,919,941 
   
5.000%, 6/01/30 – FGIC Insured 
     
6,000 
 
Redlands Unified School District, San Bernardino County, California, General Obligation Bonds, 
7/13 at 100.00 
AAA 
6,133,680 
   
Series 2003, 5.000%, 7/01/26 – AGM Insured 
     
2,970 
 
Riverside Community College District, California, General Obligation Bonds, Series 2005, 
8/15 at 100.00 
AAA 
3,249,388 
   
5.000%, 8/01/22 – AGM Insured 
     
2,500 
 
Sacramento County Sanitation District Financing Authority, California, Revenue Bonds, Series 
12/15 at 100.00 
AA 
2,674,925 
   
2005B, 4.750%, 12/01/21 – FGIC Insured 
     
13,710 
 
San Francisco Airports Commission, California, Revenue Refunding Bonds, San Francisco 
5/11 at 100.00 
A1 
13,771,147 
   
International Airport, Second Series 2001, Issue 27A, 5.250%, 5/01/26 – NPFG Insured 
     
   
(Alternative Minimum Tax) 
     
3,030 
 
San Francisco Bay Area Rapid Transit District, California, Sales Tax Revenue Bonds, Series 
7/11 at 100.00 
AA+ 
3,067,724 
   
2001, 5.125%, 7/01/36 – AMBAC Insured 
     
8,470 
 
San Francisco Bay Area Rapid Transit District, California, Sales Tax Revenue Bonds, Series 
7/11 at 100.00 
AA+ (4) 
8,846,915 
   
2001, 5.125%, 7/01/36 (Pre-refunded 7/01/11) – AMBAC Insured 
     
1,220 
 
San Francisco Bay Area Rapid Transit District, California, Sales Tax Revenue Bonds, Series 
7/15 at 100.00 
AA+ 
1,338,938 
   
2005A, 5.000%, 7/01/22 – NPFG Insured 
     
2,105 
 
San Francisco Unified School District, California, General Obligation Bonds, Series 2007A, 
6/17 at 100.00 
AAA 
1,745,403 
   
3.000%, 6/15/27 – AGM Insured 
     
66,685 
 
San Joaquin Hills Transportation Corridor Agency, Orange County, California, Senior Lien Toll 
No Opt. Call 
AAA 
47,367,022 
   
Road Revenue Bonds, Series 1993, 0.000%, 1/01/21 (ETM) 
     
   
San Joaquin Hills Transportation Corridor Agency, Orange County, California, Toll Road Revenue 
     
   
Refunding Bonds, Series 1997A: 
     
31,615 
 
5.250%, 1/15/30 – NPFG Insured 
1/11 at 100.00 
28,063,371 
21,500 
 
0.000%, 1/15/32 – NPFG Insured 
No Opt. Call 
3,844,630 
19,595 
 
San Jose Redevelopment Agency, California, Tax Allocation Bonds, Merged Area Redevelopment 
8/17 at 100.00 
16,182,923 
   
Project, Series 2006C, 4.250%, 8/01/30 – NPFG Insured 
     
11,250 
 
Santa Ana Financing Authority, California, Lease Revenue Bonds, Police Administration and 
No Opt. Call 
12,454,088 
   
Housing Facility, Series 1994A, 6.250%, 7/01/24 – NPFG Insured 
     
6,785 
 
Santa Clara Valley Water District, California, Water Revenue Bonds, Series 2006A, 3.750%, 
6/16 at 100.00 
AAA 
6,716,133 
   
6/01/25 – AGM Insured 
     
5,000 
 
Walnut Energy Center Authority, California, Electric Revenue Bonds, Turlock Irrigation 
1/14 at 100.00 
A+ 
5,130,000 
   
District, Series 2004A, 5.000%, 1/01/34 – AMBAC Insured 
     
395,255 
 
Total California 
   
351,622,806 
   
Colorado – 5.7% (3.7% of Total Investments)
     
1,080 
 
Arkansas River Power Authority, Colorado, Power Revenue Bonds, Series 2006, 5.250%, 10/01/40 – 
10/16 at 100.00 
BBB 
995,749 
   
SYNCORA GTY Insured 
     
1,900 
 
Aspen, Colorado, Sales Tax Revenue Bonds, Parks and Open Space, Series 2005B, 5.250%, 
11/15 at 100.00 
AAA 
2,056,560 
   
11/01/24 – AGM Insured 
     
1,000 
 
Colorado Department of Transportation, Certificates of Participation, Series 2004, 5.000%, 
6/14 at 100.00 
AA– 
1,049,070 
   
6/15/25 – NPFG Insured 
     
4,950 
 
Denver Convention Center Hotel Authority, Colorado, Senior Revenue Bonds, Convention Center 
12/13 at 100.00 
N/R (4) 
5,568,602 
   
Hotel, Series 2003A, 5.000%, 12/01/33 (Pre-refunded 12/01/13) – SYNCORA GTY Insured 
     
1,740 
 
Douglas County School District RE1, Douglas and Elbert Counties, Colorado, General Obligation 
12/14 at 100.00 
Aa1 
1,833,038 
   
Bonds, Series 2005B, 5.000%, 12/15/28 – AGM Insured 
     
35,995 
 
E-470 Public Highway Authority, Colorado, Senior Revenue Bonds, Series 1997B, 0.000%, 
No Opt. Call 
16,369,446 
   
9/01/23 – NPFG Insured 
     
30,800 
 
E-470 Public Highway Authority, Colorado, Senior Revenue Bonds, Series 2000A, 5.750%, 9/01/35 
9/10 at 102.00 
AAA 
31,560,452 
   
(Pre-refunded 9/01/10) – NPFG Insured 
     
11,800 
 
E-470 Public Highway Authority, Colorado, Senior Revenue Bonds, Series 2000B, 0.000%, 9/01/15 
9/10 at 74.80 
Aaa 
8,823,333 
   
(Pre-refunded 9/01/10) – NPFG Insured 
     
10,000 
 
E-470 Public Highway Authority, Colorado, Toll Revenue Bonds, Series 2004A, 0.000%, 9/01/27 – 
No Opt. Call 
3,291,900 
   
NPFG Insured 
     
4,520 
 
Jefferson County School District R1, Colorado, General Obligation Bonds, Series 2004, 5.000%, 
12/14 at 100.00 
AAA 
5,277,868 
   
12/15/24 (Pre-refunded 12/15/14) – AGM Insured (UB) 
     
2,500 
 
Summit County School District RE-1, Summit, Colorado, General Obligation Bonds, Series 2004B, 
12/14 at 100.00 
Aa2 
2,665,800 
   
5.000%, 12/01/24 – FGIC Insured 
     
1,000 
 
University of Colorado, Enterprise System Revenue Bonds, Series 2005, 5.000%, 6/01/30 – 
6/15 at 100.00 
Aa2 
1,048,950 
   
FGIC Insured 
     
107,285 
 
Total Colorado 
   
80,540,768 
   
District of Columbia – 1.0% (0.6% of Total Investments)
     
   
District of Columbia Water and Sewerage Authority, Subordinate Lien Public Utility Revenue 
     
   
Bonds, Series 2003: 
     
5,000 
 
5.125%, 10/01/24 – FGIC Insured 
10/13 at 100.00 
AA– 
5,367,200 
5,000 
 
5.125%, 10/01/25 – FGIC Insured 
10/13 at 100.00 
AA– 
5,328,250 
2,670 
 
Washington Convention Center Authority, District of Columbia, Dedicated Tax Revenue Bonds, 
10/16 at 100.00 
AA+ 
2,703,803 
   
Tender Option Bond Trust 1606, 11.356%, 10/01/30 – AMBAC Insured (IF) 
     
12,670 
 
Total District of Columbia 
   
13,399,253 
   
Florida – 25.6% (16.6% of Total Investments)
     
1,250 
 
Bay County, Florida, Water System Revenue Bonds, Series 2005, 5.000%, 9/01/24 – AMBAC Insured 
9/15 at 100.00 
A1 
1,305,513 
975 
 
Broward County Housing Finance Authority, Florida, GNMA Collateralized Multifamily Housing 
12/10 at 100.00 
Aaa 
976,160 
   
Revenue Refunding Bonds, Pompano Oaks Apartments, Series 1997, 6.000%, 12/01/27 (Alternative 
     
   
Minimum Tax) 
     
3,820 
 
Broward County School Board, Florida, Certificates of Participation, Series 2003, 5.250%, 
7/13 at 100.00 
Aa3 
4,166,321 
   
7/01/19 – NPFG Insured 
     
2,150 
 
Broward County, Florida, Airport System Revenue Bonds, Series 2004L, 5.000%, 10/01/23 – 
10/14 at 100.00 
A+ 
2,253,587 
   
AMBAC Insured 
     
4,500 
 
Broward County, Florida, Water and Sewer Utility Revenue Bonds, Series 2003, 5.000%, 
10/13 at 100.00 
AA 
4,718,385 
   
10/01/24 – NPFG Insured 
     
190 
 
City of Gulf Breeze, Florida, Local Governement Loan Program Bonds, Series 1985-FG&H, 5.000%, 
12/10 at 100.00 
N/R 
191,488 
   
12/01/20 (Mandatory put 12/01/10) 
     
   
Clay County, Florida, Uiltity System Revenue Bonds, Series 2007: 
     
5,110 
 
5.000%, 11/01/27 – SYNCORA GTY Insured (UB) 
11/17 at 100.00 
AAA 
5,425,333 
12,585 
 
5.000%, 11/01/32 – SYNCORA GTY Insured (UB) 
11/17 at 100.00 
AAA 
13,050,267 
   
Collier County Housing Finance Authority, Florida, Multifamily Housing Revenue Bonds, Saxon 
     
   
Manor Isles Project, Series 1998B: 
     
1,260 
 
5.350%, 9/01/18 – AGM Insured (Alternative Minimum Tax) 
9/10 at 100.00 
AAA 
1,261,084 
1,000 
 
5.400%, 9/01/23 – AGM Insured (Alternative Minimum Tax) 
9/10 at 100.00 
AAA 
1,000,630 
   
Collier County Housing Finance Authority, Florida, Multifamily Housing Revenue Refunding 
     
   
Bonds, Saxon Manor Isles Project, Series 1998A, Subseries 1: 
     
1,040 
 
5.350%, 9/01/18 – AGM Insured (Alternative Minimum Tax) 
9/10 at 100.00 
AAA 
1,040,894 
1,400 
 
5.400%, 9/01/23 – AGM Insured (Alternative Minimum Tax) 
9/10 at 100.00 
AAA 
1,400,882 
1,500 
 
Collier County, Florida, Capital Improvement Revenue Bonds, Series 2005, 5.000%, 10/01/23 – 
10/14 at 100.00 
AA– 
1,578,180 
   
NPFG Insured 
     
3,000 
 
Collier County, Florida, Gas Tax Revenue Bonds, Series 2005, 5.000%, 6/01/22 – AMBAC Insured 
6/15 at 100.00 
A1 
3,133,650 
   
Dade County Housing Finance Authority, Florida, Multifamily Mortgage Revenue Bonds, Siesta 
     
   
Pointe Apartments Project, Series 1997A: 
     
1,230 
 
5.650%, 9/01/17 – AGM Insured (Alternative Minimum Tax) 
9/10 at 100.00 
AAA 
1,231,562 
1,890 
 
5.750%, 9/01/29 – AGM Insured (Alternative Minimum Tax) 
9/10 at 100.00 
AAA 
1,891,210 
1,100 
 
Dade County, Florida, Seaport Revenue Refunding Bonds, Series 1995, 5.750%, 10/01/15 – 
10/10 at 100.00 
1,104,477 
   
NPFG Insured 
     
   
Davie, Florida, Water and Sewerage Revenue Refunding and Improvement Bonds, Series 2003: 
     
910 
 
5.250%, 10/01/17 – AMBAC Insured 
10/13 at 100.00 
N/R 
1,008,208 
475 
 
5.250%, 10/01/18 – AMBAC Insured 
10/13 at 100.00 
N/R 
505,215 
   
Deltona, Florida, Utility Systems Water and Sewer Revenue Bonds, Series 2003: 
     
1,250 
 
5.250%, 10/01/22 – NPFG Insured 
10/13 at 100.00 
A1 
1,299,788 
1,095 
 
5.000%, 10/01/23 – NPFG Insured 
10/13 at 100.00 
A1 
1,136,982 
1,225 
 
5.000%, 10/01/24 – NPFG Insured 
10/13 at 100.00 
A1 
1,267,336 
1,555 
 
DeSoto County, Florida, Capital Improvement Revenue Bonds, Series 2002, 5.250%, 10/01/20 – 
4/12 at 101.00 
A1 
1,660,242 
   
NPFG Insured 
     
2,500 
 
Escambia County School Board, Florida, Certificates of Participation, Series 2004, 5.000%, 
2/15 at 100.00 
2,575,800 
   
2/01/22 – NPFG Insured 
     
2,500 
 
Flagler County School Board, Florida, Certificates of Participation, Master Lease Revenue 
8/15 at 100.00 
AAA 
2,557,675 
   
Program, Series 2005A, 5.000%, 8/01/30 – AGM Insured 
     
1,200 
 
Flagler County, Florida, Capital Improvement Revenue Bonds, Series 2005, 5.000%, 10/01/30 – 
10/15 at 100.00 
1,221,780 
   
NPFG Insured 
     
3,945 
 
Florida Governmental Utility Authority, Utility System Revenue Bonds, Citrus Project, Series 
10/13 at 100.00 
N/R (4) 
4,487,122 
   
2003, 5.000%, 10/01/23 (Pre-refunded 10/01/13) – AMBAC Insured 
     
1,000 
 
Florida Governmental Utility Authority, Utility System Revenue Bonds, Golden Gate Project, 
1/11 at 100.50 
N/R 
946,110 
   
Series 1999, 5.000%, 7/01/29 – AMBAC Insured 
     
2,630 
 
Florida Housing Finance Corporation, Homeowner Mortgage Revenue Bonds, Series 2000-4 , 0.000%, 
10/10 at 26.01 
Aa1 
719,384 
   
7/01/30 – AGM Insured (Alternative Minimum Tax) 
     
4,750 
 
Florida Housing Finance Corporation, Housing Revenue Bonds, Augustine Club Apartments, Series 
10/10 at 102.00 
Aaa 
4,889,365 
   
2000D-1, 5.750%, 10/01/30 (Pre-refunded 10/01/10) – NPFG Insured 
     
   
Florida Municipal Loan Council, Revenue Bonds, Series 2000B: 
     
3,365 
 
5.375%, 11/01/25 – NPFG Insured 
11/10 at 101.00 
3,408,308 
3,345 
 
5.375%, 11/01/30 – NPFG Insured 
11/10 at 101.00 
3,367,445 
1,000 
 
Florida Municipal Loan Council, Revenue Bonds, Series 2001A, 5.250%, 11/01/18 – NPFG Insured 
11/11 at 101.00 
1,037,150 
2,230 
 
Florida Ports Financing Commission, Revenue Bonds, State Transportation Trust Fund – 
10/10 at 100.50 
AA+ 
2,251,809 
   
Intermodal Program, Series 1999, 5.500%, 10/01/23 – NPFG Insured (Alternative Minimum Tax) 
     
940 
 
Florida State Board of Education, Full Faith and Credit, Public Education Capital Outlay 
6/11 at 101.00 
AAA 
972,975 
   
Bonds, Series 2001C, 5.125%, 6/01/29 – FGIC Insured 
     
2,000 
 
Greater Orlando Aviation Authority, Florida, Airport Facilities Revenue Refunding Bonds, 
10/13 at 100.00 
AAA 
2,144,740 
   
Series 2003A, 5.000%, 10/01/17 – AGM Insured 
     
5,200 
 
Gulf Breeze, Florida, Local Government Loan Program, Remarketed 6-1-2001, Series 1985E, 
12/11 at 101.00 
BBB 
5,254,600 
   
4.750%, 12/01/20 (Mandatory put 12/01/11) – FGIC Insured 
     
380 
 
Gulf Breeze, Florida, Local Government Loan Program, Remarketed 6-3-1996, Series 1985B, 
10/10 at 100.00 
BBB 
381,227 
   
5.900%, 12/01/15 (Mandatory put 12/01/10) – FGIC Insured 
     
360 
 
Gulf Breeze, Florida, Local Government Loan Program, Remarketed 6-3-1996, Series 1985C, 
12/10 at 100.00 
N/R 
360,774 
   
5.900%, 12/01/15 – FGIC Insured 
     
1,500 
 
Gulf Breeze, Florida, Local Government Loan Program, Remarketed 7-3-2000, Series 1985E, 
12/10 at 101.00 
N/R 
1,521,660 
   
5.750%, 12/01/20 (Mandatory put 12/01/19) – FGIC Insured 
     
1,915 
 
Halifax Hospital Medical Center, Florida, Revenue Bonds, Series 2006, 5.500%, 6/01/38 – 
6/18 at 100.00 
AAA 
1,952,668 
   
AGM Insured 
     
2,500 
 
Hillsborough County Industrial Development Authority, Florida, Industrial Development Revenue 
No Opt. Call 
2,716,975 
   
Bonds, University Community Hospital, Series 1994, 6.500%, 8/15/19 – NPFG Insured 
     
1,000 
 
Hillsborough County School Board, Florida, Certificates of Participation, Master Lease 
7/15 at 100.00 
Aa2 
1,035,860 
   
Program, Series 2005A, 5.000%, 7/01/26 – NPFG Insured 
     
6,000 
 
Hillsborough County School Board, Florida, Certificates of Participation, Series 2003, 5.000%, 
7/13 at 100.00 
Aa2 
6,087,540 
   
7/01/29 – NPFG Insured 
     
2,000 
 
Hillsborough County, Florida, Community Investment Tax Revenue Bonds, Series 2004, 5.000%, 
11/13 at 101.00 
AA+ 
2,128,000 
   
5/01/23 – AMBAC Insured 
     
1,000 
 
Hillsborough County, Florida, Revenue Refunding Bonds, Tampa Bay Arena, Series 2005, 5.000%, 
10/15 at 100.00 
AA+ 
1,057,230 
   
10/01/25 – FGIC Insured 
     
2,595 
 
Indian River County School Board, Florida, Certificates of Participation, Series 2005, 5.000%, 
7/15 at 100.00 
Aa3 
2,709,180 
   
7/01/22 – NPFG Insured 
     
   
Indian Trace Development District, Florida, Water Management Special Benefit Assessment Bonds, 
     
   
Series 2005: 
     
1,645 
 
5.000%, 5/01/25 – NPFG Insured 
5/15 at 102.00 
Baa1 
1,564,082 
1,830 
 
5.000%, 5/01/27 – NPFG Insured 
5/15 at 102.00 
Baa1 
1,694,617 
4,425 
 
Jacksonville Economic Development Commission, Florida, Healthcare Facilities Revenue Bonds, 
11/12 at 100.00 
Aa2 
4,521,952 
   
Mayo Clinic, Series 2001C, 5.500%, 11/15/36 – NPFG Insured 
     
1,480 
 
Jacksonville, Florida, Better Jacksonville Sales Tax Revenue Bonds, Series 2003, 5.250%, 
10/13 at 100.00 
Aa2 
1,577,369 
   
10/01/20 – NPFG Insured 
     
3,160 
 
Jacksonville, Florida, GNMA Collateralized Housing Revenue Refunding Bonds, Windermere Manor 
9/10 at 100.00 
N/R 
3,163,192 
   
Apartments, Series 1993A, 5.875%, 3/20/28 
     
1,500 
 
JEA, Florida, Water and Sewerage System Revenue Bonds, Crossover Refunding Series 2007B, 
10/14 at 100.00 
Aa2 
1,586,100 
   
5.000%, 10/01/24 – NPFG Insured 
     
1,000 
 
JEA, Florida, Water and Sewerage System Revenue Bonds, Series 2004A, 5.000%, 10/01/14 – 
10/13 at 100.00 
Aa2 
1,117,250 
   
FGIC Insured 
     
1,450 
 
Jupiter, Florida, Water Revenue Bonds, Series 2003, 5.000%, 10/01/22 – AMBAC Insured 
10/13 at 100.00 
AA+ 
1,545,236 
   
Lakeland, Florida, Utility Tax Revenue Bonds, Series 2003B: 
     
1,730 
 
5.000%, 10/01/18 – AMBAC Insured 
10/12 at 100.00 
N/R 
1,769,928 
2,000 
 
5.000%, 10/01/19 – AMBAC Insured 
10/12 at 100.00 
N/R 
2,039,880 
1,230 
 
Lee County, Florida, Local Option Gas Tax Revenue Bonds, Series 2004, 5.000%, 10/01/20 – 
10/14 at 100.00 
A2 
1,281,291 
   
FGIC Insured 
     
1,505 
 
Lee County, Florida, Transportation Facilities Revenue Bonds, Series 2004B, 5.000%, 10/01/21 – 
10/14 at 100.00 
A– 
1,580,295 
   
AMBAC Insured 
     
1,000 
 
Lee Memorial Health System, Florida, Hospital Revenue Bonds, Series 2007A, 5.000%, 4/01/32 – 
4/17 at 100.00 
979,200 
   
NPFG Insured 
     
3,000 
 
Leesburg, Florida, Utility Revenue Bonds, Series 2007, 5.000%, 10/01/37 – NPFG Insured 
10/17 at 100.00 
Aa3 
3,022,260 
2,000 
 
Manatee County, Florida, Public Utilities Revenue Bonds, Series 2003, 5.125%, 10/01/20 – 
10/13 at 100.00 
Aa2 
2,196,000 
   
NPFG Insured 
     
   
Marco Island, Florida, Water Utility System Revenue Bonds, Series 2003: 
     
1,350 
 
5.250%, 10/01/17 – NPFG Insured 
10/13 at 100.00 
Aa3 
1,513,013 
1,000 
 
5.250%, 10/01/18 – NPFG Insured 
10/13 at 100.00 
Aa3 
1,100,170 
2,000 
 
5.000%, 10/01/27 – NPFG Insured 
10/13 at 100.00 
Aa3 
2,038,580 
1,425 
 
Miami-Dade County Housing Finance Authority, Florida, Multifamily Mortgage Revenue Bonds, 
6/11 at 100.00 
AAA 
1,437,483 
   
Country Club Villas II Project, Series 2001-1A, 5.750%, 7/01/27 – AGM Insured (Alternative 
     
   
Minimum Tax) 
     
2,200 
 
Miami-Dade County, Florida, Aviation Revenue Bonds, Miami International Airport, Series 2002A, 
10/12 at 100.00 
AAA 
2,200,066 
   
5.125%, 10/01/35 – AGM Insured (Alternative Minimum Tax) 
     
   
Miami-Dade County, Florida, Aviation Revenue Bonds, Miami International Airport, Series 2002: 
     
5,615 
 
5.750%, 10/01/19 – FGIC Insured (Alternative Minimum Tax) 
10/12 at 100.00 
5,800,744 
35,920 
 
5.375%, 10/01/32 – FGIC Insured (Alternative Minimum Tax) 
10/12 at 100.00 
36,044,642 
12,930 
 
Miami-Dade County, Florida, Public Facilities Revenue Bonds, Jackson Health System, Series 
12/15 at 100.00 
Aa3 
12,709,802 
   
2005A, 5.000%, 6/01/32 – NPFG Insured 
     
5,320 
 
Miami-Dade County, Florida, Public Facilities Revenue Bonds, Jackson Health System, Series 
6/15 at 100.00 
Aa3 
5,356,442 
   
2005B, 5.000%, 6/01/25 – NPFG Insured 
     
18,000 
 
Miami-Dade County, Florida, Subordinate Special Obligation Bonds, Series 1997A, 0.000%, 
10/10 at 56.40 
9,655,200 
   
10/01/21 – NPFG Insured 
     
3,000 
 
Miami-Dade County, Florida, Transit System Sales Surtax Revenue Bonds, Series 2008, 5.000%, 
7/18 at 100.00 
AAA 
3,076,770 
   
7/01/35 – AGM Insured 
     
2,000 
 
Miami-Dade County, Florida, Water and Sewer System Revenue Bonds, Refunding Series 2008B, 
No Opt. Call 
AAA 
2,302,500 
   
5.250%, 10/01/22 – AGM Insured 
     
   
Northern Palm Beach County Improvement District, Florida, Revenue Bonds, Water Control and 
     
   
Improvement Development Unit 9B, Series 2005: 
     
1,290 
 
5.000%, 8/01/23 – NPFG Insured 
8/15 at 102.00 
1,374,160 
2,145 
 
5.000%, 8/01/29 – NPFG Insured 
8/15 at 102.00 
2,208,170 
2,000 
 
Okaloosa County, Florida, Water and Sewer Revenue Bonds, Series 2006, 5.000%, 7/01/36 – 
7/16 at 100.00 
AAA 
2,037,860 
   
AGM Insured 
     
1,000 
 
Orange County School Board, Florida, Certificates of Participation, Series 2007A, 5.000%, 
8/17 at 100.00 
AA– 
1,033,690 
   
8/01/27 – FGIC Insured 
     
3,180 
 
Orange County, Florida, Sales Tax Revenue Bonds, Series 2002B, 5.125%, 1/01/19 – FGIC Insured 
1/13 at 100.00 
AA 
3,438,629 
2,500 
 
Orange County, Florida, Tourist Development Tax Revenue Bonds, Series 2006, 5.000%, 10/01/31 – 
10/16 at 100.00 
A+ 
2,523,600 
   
SYNCORA GTY Insured 
     
   
Osceola County, Florida, Transportation Revenue Bonds, Osceola Parkway, Series 2004: 
     
2,500 
 
5.000%, 4/01/21 – NPFG Insured 
4/14 at 100.00 
Aa3 
2,614,200 
7,820 
 
5.000%, 4/01/23 – NPFG Insured 
4/14 at 100.00 
Aa3 
8,113,172 
1,750 
 
Palm Bay, Florida, Utility System Revenue Bonds, Palm Bay Utility Corporation, Series 2003, 
10/13 at 100.00 
Aa3 
1,817,095 
   
5.000%, 10/01/20 – NPFG Insured 
     
1,065 
 
Palm Beach County Housing Finance Authority, Florida, Multifamily Housing Revenue Bonds, 
7/12 at 100.00 
AAA 
1,078,142 
   
Westlake Apartments Phase II, Series 2002, 5.150%, 7/01/22 – AGM Insured (Alternative 
     
   
Minimum Tax) 
     
2,150 
 
Palm Beach County School Board, Florida, Certificates of Participation, Series 2004A, 5.000%, 
8/14 at 100.00 
AA– 
2,248,621 
   
8/01/24 – FGIC Insured 
     
3,000 
 
Palm Beach County School Board, Florida, Certificates of Participation, Series 2007E, 5.000%, 
8/17 at 100.00 
AA– 
3,123,060 
   
8/01/27 – NPFG Insured 
     
8,000 
 
Palm Beach County Solid Waste Authority, Florida, Revenue Bonds, Series 2002B, 0.000%, 
No Opt. Call 
AA 
7,394,960 
   
10/01/14 – AMBAC Insured 
     
1,470 
 
Palm Beach County, Florida, Administrative Complex Revenue Refunding Bonds, Series 1993, 
No Opt. Call 
Aa1 
1,508,220 
   
5.250%, 6/01/11 – FGIC Insured 
     
   
Palm Coast, Florida, Water Utility System Revenue Bonds, Series 2003: 
     
1,000 
 
5.250%, 10/01/19 – NPFG Insured 
10/13 at 100.00 
Aa3 
1,095,680 
500 
 
5.250%, 10/01/20 – NPFG Insured 
10/13 at 100.00 
Aa3 
546,570 
500 
 
5.250%, 10/01/21 – NPFG Insured 
10/13 at 100.00 
Aa3 
543,160 
3,000 
 
Pasco County, Florida, Water and Sewer Revenue Bonds, Series 2006 Refunding, 5.000%, 
4/16 at 100.00 
AAA 
3,093,840 
   
10/01/36 – AGM Insured 
     
   
Plantation, Florida, Non-Ad Valorem Revenue Refunding and Improvement Bonds, Series 2003: 
     
2,225 
 
5.000%, 8/15/18 – AGM Insured 
8/13 at 100.00 
Aa3 
2,332,868 
1,300 
 
5.000%, 8/15/21 – AGM Insured 
8/13 at 100.00 
Aa3 
1,342,692 
1,170 
 
Polk County, Florida, Utility System Revenue Bonds, Series 2004A, 5.000%, 10/01/24 – 
10/14 at 100.00 
Aa3 
1,213,325 
   
FGIC Insured 
     
1,000 
 
Port Saint Lucie, Florida, Special Assessment Revenue Bonds, Southwest Annexation District 1B, 
7/17 at 100.00 
926,670 
   
Series 2007, 5.000%, 7/01/33 – NPFG Insured 
     
   
Port St. Lucie, Florida, Stormwater Utility System Revenue Refunding Bonds, Series 2002: 
     
1,190 
 
5.250%, 5/01/15 – NPFG Insured 
5/12 at 100.00 
Aa3 
1,265,755 
1,980 
 
5.250%, 5/01/17 – NPFG Insured 
5/12 at 100.00 
Aa3 
2,106,047 
   
Port St. Lucie, Florida, Utility System Revenue Bonds, Refunding Series 2009: 
     
3,775 
 
5.250%, 9/01/35 – AGC Insured 
9/18 at 100.00 
AAA 
3,957,144 
3,500 
 
5.000%, 9/01/35 – AGC Insured 
9/18 at 100.00 
AAA 
3,626,980 
10,000 
 
Port St. Lucie, Florida, Utility System Revenue Bonds, Series 2001, 0.000%, 9/01/29 
9/11 at 34.97 
A (4) 
3,474,500 
   
(Pre-refunded 9/01/11) – NPFG Insured 
     
1,830 
 
Port St. Lucie, Florida, Utility System Revenue Bonds, Series 2003, 5.000%, 9/01/21 
9/13 at 100.00 
A (4) 
2,076,318 
   
(Pre-refunded 9/01/13) – NPFG Insured 
     
1,000 
 
Port St. Lucie, Florida, Utility System Revenue Bonds, Series 2004, 5.000%, 9/01/21 – 
9/14 at 100.00 
Aa3 
1,056,740 
   
NPFG Insured 
     
1,895 
 
Reedy Creek Improvement District, Orange and Osceola Counties, Florida, General Obligation 
6/15 at 100.00 
Aa3 
1,938,130 
   
Bonds, Series 2005B, 5.000%, 6/01/25 – AMBAC Insured 
     
   
Sebring, Florida, Water and Wastewater Revenue Refunding Bonds, Series 2002: 
     
1,360 
 
5.250%, 1/01/17 – FGIC Insured 
1/13 at 100.00 
1,476,307 
770 
 
5.250%, 1/01/18 – FGIC Insured 
1/13 at 100.00 
828,235 
500 
 
5.250%, 1/01/20 – FGIC Insured 
1/13 at 100.00 
537,815 
5,715 
 
Seminole County, Florida, Water and Sewer Revenue Refunding and Improvement Bonds, Series 
No Opt. Call 
A (4) 
6,817,709 
   
1992, 6.000%, 10/01/19 – NPFG Insured (ETM) 
     
3,530 
 
Seminole County, Florida, Water and Sewer Revenue Refunding and Improvement Bonds, Series 
No Opt. Call 
4,161,058 
   
1992, 6.000%, 10/01/19 – NPFG Insured 
     
4,260 
 
St. Lucie County School Board, Florida, Certificates of Participation, Master Lease Program, 
7/14 at 100.00 
AAA 
4,388,822 
   
Series 2004A, 5.000%, 7/01/24 – AGM Insured 
     
   
St. Lucie County, Florida, Utility System Revenue Refunding Bonds, Series 1993: 
     
5,000 
 
5.500%, 10/01/15 – FGIC Insured (ETM) 
No Opt. Call 
N/R (4) 
5,670,050 
1,200 
 
5.500%, 10/01/21 – FGIC Insured (ETM) 
No Opt. Call 
N/R (4) 
1,483,140 
   
St. Petersburg, Florida, Sales Tax Revenue Bonds, Professional Sports Facility, Series 2003: 
     
1,475 
 
5.125%, 10/01/20 – AGM Insured 
10/13 at 100.00 
Aa3 
1,625,303 
1,555 
 
5.125%, 10/01/21 – AGM Insured 
10/13 at 100.00 
Aa3 
1,713,455 
1,300 
 
Sunrise, Florida, Utility System Revenue Refunding Bonds, Series 1996, 5.800%, 10/01/11 – 
10/10 at 100.00 
N/R 
1,304,966 
   
AMBAC Insured 
     
2,500 
 
Tallahassee, Florida, Energy System Revenue Bonds, Series 2005, 5.000%, 10/01/29 – NPFG Insured 
10/15 at 100.00 
AA 
2,574,950 
1,245 
 
Tamarac, Florida, Sales Tax Revenue Bonds, Series 2002, 5.000%, 4/01/22 – FGIC Insured 
4/12 at 100.00 
A+ 
1,299,394 
400 
 
Tamarac, Florida, Utility System Revenue Bonds, Series 2009, 5.000%, 10/01/39 – AGC Insured 
10/19 at 100.00 
AAA 
407,040 
1,500 
 
Tampa, Florida, Healthcare System Revenue Bonds, Allegany Health System – St. Joseph’s 
10/10 at 100.00 
Aaa 
1,521,540 
   
Hospital, Series 1993, 5.125%, 12/01/23 – NPFG Insured (ETM) 
     
10,255 
 
Tampa, Florida, Revenue Bonds, University of Tampa, Series 2006, 5.000%, 4/01/35 – CIFG Insured 
4/16 at 100.00 
N/R 
9,672,003 
1,390 
 
Venice, Florida, General Obligation Bonds, Series 2004, 5.000%, 2/01/24 – AMBAC Insured 
2/14 at 100.00 
Aa2 
1,446,309 
4,275 
 
Volusia County School Board, Florida, Certificates of Participation, Series 2005B, 5.000%, 
8/15 at 100.00 
Aa3 
4,367,897 
   
8/01/24 – AGM Insured 
     
2,000 
 
Volusia County, Florida, Gas Tax Revenue Bonds, Series 2004, 5.000%, 10/01/21 – AGM Insured 
10/14 at 100.00 
AAA 
2,114,720 
12,000 
 
Volusia County, Florida, School Board Certificates of Participation, Series 2007, 5.000%, 
8/17 at 100.00 
Aa3 
12,000,000 
   
8/01/32 – AGM Insured (UB) 
     
1,785 
 
Volusia County, Florida, Tax Revenue Bonds, Tourist Development, Series 2004, 5.000%, 
12/14 at 100.00 
Aa3 
1,860,006 
   
12/01/24 – AGM Insured 
     
365,830 
 
Total Florida 
   
359,647,552 
   
Georgia – 1.9% (1.3% of Total Investments)
     
1,000 
 
Atlanta, Georgia, Water and Wastewater Revenue Bonds, Series 2004, 5.000%, 11/01/22 – 
11/14 at 100.00 
AAA 
1,051,950 
   
AGM Insured 
     
10,000 
 
Atlanta, Georgia, Water and Wastewater Revenue Bonds, Series 2009B, 5.375%, 11/01/39 – 
11/19 at 100.00 
AAA 
10,489,500 
   
AGM Insured 
     
2,825 
 
Cherokee County Water and Sewerage Authority, Georgia, Revenue Bonds, Refunding Series 2007, 
8/20 at 100.00 
Aa2 
2,857,572 
   
4.000%, 8/01/26 
     
1,520 
 
College Park Business and Industrial Development Authority, Georgia, Revenue Bonds, Public 
9/14 at 102.00 
AA– 
1,642,968 
   
Safety Project, Series 2004, 5.250%, 9/01/23 – NPFG Insured 
     
   
Fulton County Development Authority, Georgia, Revenue Bonds, Georgia Tech Molecular Science 
     
   
Building, Series 2004: 
     
1,695 
 
5.250%, 5/01/19 – NPFG Insured 
5/14 at 100.00 
Aa3 
1,871,483 
1,135 
 
5.250%, 5/01/20 – NPFG Insured 
5/14 at 100.00 
Aa3 
1,242,598 
4,500 
 
5.000%, 5/01/36 – NPFG Insured 
5/14 at 100.00 
Aa3 
4,585,905 
960 
 
Glynn-Brunswick Memorial Hospital Authority, Georgia, Revenue Bonds, Southeast Georgia Health 
10/10 at 100.00 
962,141 
   
Systems, Series 1996, 5.250%, 8/01/13 – NPFG Insured 
     
2,250 
 
Gwinnett County Hospital Authority, Georgia, Revenue Anticipation Certificates, Gwinnett 
7/19 at 100.00 
Aa3 
2,333,340 
   
Hospital System Inc. Project, Series 2007C, 5.500%, 7/01/39 – AGM Insured (Alternative 
     
   
Minimum Tax) 
     
25,885 
 
Total Georgia 
   
27,037,457 
   
Idaho – 0.2% (0.1% of Total Investments)
     
130 
 
Idaho Housing Agency, Single Family Mortgage Senior Bonds, Series 1994B-1, 6.750%, 7/01/22 
No Opt. Call 
Aaa 
136,401 
90 
 
Idaho Housing Agency, Single Family Mortgage Senior Bonds, Series 1994B-2, 6.900%, 7/01/26 
No Opt. Call 
Aaa 
91,571 
   
(Alternative Minimum Tax) 
     
125 
 
Idaho Housing Agency, Single Family Mortgage Senior Bonds, Series 1995B, 6.600%, 7/01/27 
1/11 at 100.00 
Aaa 
125,740 
   
(Alternative Minimum Tax) 
     
   
Idaho Housing and Finance Association, Grant and Revenue Anticipation Bonds, Federal Highway 
     
   
Trust Funds, Series 2006: 
     
1,000 
 
5.000%, 7/15/23 – NPFG Insured 
7/16 at 100.00 
Aa2 
1,078,300 
1,065 
 
5.000%, 7/15/24 – NPFG Insured 
7/16 at 100.00 
Aa2 
1,141,297 
2,410 
 
Total Idaho 
   
2,573,309 
   
Illinois – 5.7% (3.7% of Total Investments)
     
1,050 
 
Bedford Park, Illinois, General Obligation Bonds, Series 2004A, 5.250%, 12/15/20 – AGM Insured 
12/14 at 100.00 
AAA 
1,163,778 
7,000 
 
Chicago, Illinois, General Airport Revenue Bonds, O’Hare International Airport, Third Lien 
No Opt. Call 
AAA 
7,276,500 
   
Refunding Series 2010C, 5.250%, 1/01/35 – AGC Insured 
     
   
Chicago, Illinois, Second Lien Passenger Facility Charge Revenue Refunding Bonds, O’Hare 
     
   
International Airport, Series 2001E: 
     
4,615 
 
5.500%, 1/01/17 – AMBAC Insured (Alternative Minimum Tax) 
1/11 at 101.00 
A2 
4,722,853 
4,870 
 
5.500%, 1/01/18 – AMBAC Insured (Alternative Minimum Tax) 
1/11 at 101.00 
A2 
4,976,556 
7,200 
 
Chicago, Illinois, Third Lien General Airport Revenue Bonds, O’Hare International Airport, 
1/16 at 100.00 
A1 
7,561,008 
   
Series 2005A, 5.250%, 1/01/24 – NPFG Insured 
     
7,025 
 
De Witt, Ford, Livingston, Logan, Mc Lean and Tazewell Community College District 540, 
12/17 at 100.00 
Aa2 
5,858,288 
   
Illinois, General Obligation Bonds, Series 2007, 3.000%, 12/01/26 – AGM Insured 
     
10,000 
 
Illinois Development Finance Authority, Revenue Bonds, Provena Health, Series 1998A, 5.500%, 
11/10 at 100.00 
10,004,400 
   
5/15/21 – NPFG Insured 
     
2,095 
 
Illinois Educational Facilities Authority, Revenue Bonds, Robert Morris College, Series 2000, 
12/10 at 100.00 
Baa1 
2,095,251 
   
5.800%, 6/01/30 – NPFG Insured 
     
22,510 
 
Illinois, General Obligation Bonds, Illinois FIRST Program, Series 2002, 5.125%, 2/01/27 – 
2/12 at 100.00 
A+ 
22,605,217 
   
FGIC Insured 
     
20,045 
 
Metropolitan Pier and Exposition Authority, Illinois, Revenue Bonds, McCormick Place Expansion 
No Opt. Call 
AAA 
4,428,341 
   
Project, Series 2002A, 0.000%, 12/15/35 – NPFG Insured 
     
   
Schaumburg, Illinois, General Obligation Bonds, Series 2004B: 
     
4,260 
 
5.000%, 12/01/22 – FGIC Insured 
12/14 at 100.00 
Aaa 
4,555,857 
2,365 
 
5.000%, 12/01/23 – FGIC Insured 
12/14 at 100.00 
Aaa 
2,516,455 
4,000 
 
Southwestern Illinois Development Authority, School Revenue Bonds, Triad School District 2, 
No Opt. Call 
A+ 
1,882,720 
   
Madison County, Illinois, Series 2006, 0.000%, 10/01/25 – NPFG Insured 
     
97,035 
 
Total Illinois 
   
79,647,224 
   
Indiana – 3.5% (2.3% of Total Investments)
     
2,030 
 
Decatur Township-Marion County Multi-School Building Corporation, Indiana, First Mortgage 
7/13 at 100.00 
AA+ (4) 
2,282,837 
   
Bonds, Series 2003, 5.000%, 7/15/20 (Pre-refunded 7/15/13) – FGIC Insured 
     
8,000 
 
Indiana Municipal Power Agency, Power Supply Revenue Bonds, Series 2007A, 5.000%, 1/01/42 – 
1/17 at 100.00 
A+ 
8,102,640 
   
NPFG Insured 
     
20,000 
 
Indianapolis Local Public Improvement Bond Bank, Indiana, Series 1999E, 0.000%, 2/01/28 – 
No Opt. Call 
AA 
9,022,600 
   
AMBAC Insured 
     
5,300 
 
Indianapolis Local Public Improvement Bond Bank, Indiana, Waterworks Project Series 2009A, 
1/19 at 100.00 
AAA 
5,786,169 
   
5.500%, 1/01/38 – AGC Insured 
     
3,250 
 
Indianapolis Local Public Improvement Bond Bank, Indiana, Waterworks Project, Series 2002A, 
7/12 at 100.00 
AAA 
3,562,618 
   
5.250%, 7/01/33 (Pre-refunded 7/01/12) – NPFG Insured 
     
1,340 
 
Monroe-Gregg Grade School Building Corporation, Morgan County, Indiana, First Mortgage Bonds, 
1/14 at 100.00 
AAA 
1,531,191 
   
Series 2004, 5.000%, 1/15/25 (Pre-refunded 1/15/14) – AGM Insured 
     
5,000 
 
Noblesville Redevelopment Authority, Indiana, Economic Development Lease Rental Bonds, Exit 10 
7/13 at 100.00 
AA– 
5,111,500 
   
Project, Series 2003, 5.000%, 1/15/28 – AMBAC Insured 
     
10,000 
 
Purdue University, Indiana, Student Fee Bonds, Series 2002O, 5.000%, 7/01/19 – NPFG Insured 
1/12 at 100.00 
Aaa 
10,337,100 
3,705 
 
Whitley County Middle School Building Corporation, Columbia City, Indiana, First Mortgage 
7/13 at 100.00 
Aa3 (4) 
4,187,429 
   
Bonds, Series 2003, 5.000%, 7/15/16 (Pre-refunded 7/15/13) – AGM Insured 
     
58,625 
 
Total Indiana 
   
49,924,084 
   
Kansas – 0.7% (0.4% of Total Investments)
     
2,055 
 
Kansas Turnpike Authority, Revenue Bonds, Series 2004A-2, 5.000%, 9/01/23 – AGM Insured 
9/14 at 101.00 
AAA 
2,226,120 
   
Neosho County Unified School District 413, Kansas, General Obligation Bonds, Series 2006: 
     
2,145 
 
5.000%, 9/01/27 – AGM Insured 
9/14 at 100.00 
Aa3 
2,219,324 
4,835 
 
5.000%, 9/01/29 – AGM Insured 
9/14 at 100.00 
Aa3 
4,964,046 
9,035 
 
Total Kansas 
   
9,409,490 
   
Kentucky – 3.0% (1.9% of Total Investments)
     
3,870 
 
Kenton County School District Finance Corporation, Kentucky, School Building Revenue Bonds, 
6/14 at 100.00 
Aa2 
4,209,399 
   
Series 2004, 5.000%, 6/01/20 – NPFG Insured 
     
   
Kentucky State Property and Buildings Commission, Revenue Bonds, Project 93, Refunding 
     
   
Series 2009: 
     
3,860 
 
5.250%, 2/01/20 – AGC Insured 
2/19 at 100.00 
AAA 
4,480,842 
10,000 
 
5.250%, 2/01/24 – AGC Insured 
2/19 at 100.00 
AAA 
11,197,800 
7,500 
 
Kentucky Turnpike Authority, Economic Development Road Revenue Bonds, Revitalization Project, 
7/16 at 100.00 
AA+ 
8,067,525 
   
Series 2006B, 5.000%, 7/01/25 – AMBAC Insured 
     
12,980 
 
Louisville and Jefferson County Metropolitan Sewer District, Kentucky, Sewer and Drainage 
11/11 at 101.00 
AA– 
13,663,657 
   
System Revenue Bonds, Series 2001A, 5.500%, 5/15/34 – NPFG Insured 
     
38,210 
 
Total Kentucky 
   
41,619,223 
   
Louisiana – 4.5% (2.9% of Total Investments)
     
5,000 
 
DeSoto Parish, Louisiana, Pollution Control Revenue Refunding Bonds, Cleco Utility Group Inc. 
9/10 at 101.00 
BBB 
5,020,250 
   
Project, Series 1999, 5.875%, 9/01/29 – AMBAC Insured 
     
3,025 
 
Lafayette City and Parish, Louisiana, Utilities Revenue Bonds, Series 2004, 5.250%, 11/01/22 – 
11/14 at 100.00 
A1 
3,306,083 
   
NPFG Insured 
     
4,535 
 
Louisiana Public Facilities Authority, Revenue Bonds, Baton Rouge General Hospital, Series 
7/14 at 100.00 
4,669,735 
   
2004, 5.250%, 7/01/24 – NPFG Insured 
     
   
Louisiana State, Gasoline and Fuels Tax Revenue Bonds, Series 2005A: 
     
2,400 
 
5.000%, 5/01/25 – FGIC Insured 
5/15 at 100.00 
Aa1 
2,526,144 
4,415 
 
5.000%, 5/01/26 – FGIC Insured 
5/15 at 100.00 
Aa1 
4,625,507 
5,000 
 
5.000%, 5/01/27 – FGIC Insured 
5/15 at 100.00 
Aa1 
5,211,950 
   
Louisiana State, Gasoline and Fuels Tax Revenue Bonds, Series 2006A: 
     
3,300 
 
4.750%, 5/01/39 – AGM Insured (UB) 
5/16 at 100.00 
AAA 
3,332,010 
35,725 
 
4.500%, 5/01/41 – FGIC Insured (UB) 
5/16 at 100.00 
Aa1 
34,965,130 
38 
 
Louisiana State, Gasoline Tax Revenue Bonds, Series 2006, Residuals 660-1, 15.451%, 5/01/34 – 
5/16 at 100.00 
Aa1 
35,072 
   
FGIC Insured (IF) 
     
63,438 
 
Total Louisiana 
   
63,691,881 
   
Maine – 0.2% (0.2% of Total Investments)
     
3,000 
 
Maine Health and Higher Educational Facilities Authority, Revenue Bonds, Series 2003B, 5.000%, 
7/13 at 100.00 
AAA 
3,338,430 
   
7/01/28 (Pre-refunded 7/01/13) – AGM Insured 
     
   
Maryland – 0.3% (0.2% of Total Investments)
     
5,345 
 
Baltimore, Maryland, Senior Lien Convention Center Hotel Revenue Bonds, Series 2006A, 5.250%, 
9/16 at 100.00 
Baa3 
4,778,430 
   
9/01/28 – SYNCORA GTY Insured 
     
   
Massachusetts – 5.3% (3.4% of Total Investments)
     
4,500 
 
Massachusetts Department of Transportation, Metropolitan Highway System Revenue Bonds, 
1/20 at 100.00 
AA 
4,764,960 
   
Commonwealth Contract Assistance Secured, Refunding Series 2010B, 5.000%, 1/01/35 
     
22,500 
 
Massachusetts Development Finance Authority, Revenue Bonds, WGBH Educational Foundation, 
1/12 at 101.00 
A (4) 
24,318,225 
   
Series 2002A, 5.375%, 1/01/42 (Pre-refunded 1/01/12) – AMBAC Insured 
     
5,330 
 
Massachusetts Health and Educational Facilities Authority, Revenue Bonds, Harvard University, 
12/19 at 100.00 
AAA 
6,771,818 
   
Tender Option Bond Trust 2010-20W, 13.147%, 12/15/34 (IF) 
     
11,000 
 
Massachusetts School Building Authority, Dedicated Sales Tax Revenue Bonds, Series 2005A, 
8/15 at 100.00 
AAA 
12,219,999 
   
5.000%, 8/15/23 – AGM Insured (UB) 
     
7,255 
 
Massachusetts Water Resources Authority, General Revenue Bonds, Series 2007A, 4.500%, 
2/17 at 100.00 
AAA 
7,201,240 
   
8/01/46 – AGM Insured (UB) 
     
15,000 
 
Massachusetts, Special Obligation Dedicated Tax Revenue Bonds, Series 2004, 5.250%, 1/01/23 
1/14 at 100.00 
A1 (4) 
17,178,600 
   
(Pre-refunded 1/01/14) – FGIC Insured 
     
1,500 
 
University of Massachusetts Building Authority, Senior Lien Project Revenue Bonds, Series 
11/14 at 100.00 
A+ (4) 
1,773,990 
   
2004-1, 5.375%, 11/01/20 (Pre-refunded 11/01/14) – AMBAC Insured 
     
67,085 
 
Total Massachusetts 
   
74,228,832 
   
Michigan – 2.7% (1.7% of Total Investments)
     
5,490 
 
Detroit City School District, Wayne County, Michigan, Unlimited Tax School Building and Site 
No Opt. Call 
AAA 
6,159,725 
   
Improvement Bonds, Series 2001A, 6.000%, 5/01/29 – AGM Insured (UB) 
     
6,000 
 
Detroit, Michigan, General Obligation Bonds, Series 2001A-1, 5.375%, 4/01/18 – NPFG Insured 
10/11 at 100.00 
5,620,860 
7,420 
 
Detroit, Michigan, Senior Lien Water Supply System Revenue Bonds, Series 1997A, 5.000%, 
10/10 at 100.00 
Aa3 
7,420,074 
   
7/01/27 – NPFG Insured 
     
1,085 
 
Grand Rapids Community College, Kent County, Michigan, General Obligation Refunding Bonds, 
5/13 at 100.00 
Aa1 
1,189,388 
   
Series 2003, 5.250%, 5/01/20 – AMBAC Insured 
     
6,850 
 
Wayne County, Michigan, Airport Revenue Bonds, Detroit Metropolitan Wayne County Airport, 
12/10 at 100.00 
6,897,813 
   
Series 1998A, 5.375%, 12/01/15 – NPFG Insured (Alternative Minimum Tax) 
     
10,000 
 
Wayne County, Michigan, Limited Tax General Obligation Airport Hotel Revenue Bonds, Detroit 
12/11 at 101.00 
10,021,000 
   
Metropolitan Wayne County Airport, Series 2001A, 5.250%, 12/01/25 – NPFG Insured 
     
36,845 
 
Total Michigan 
   
37,308,860 
   
Minnesota – 1.7% (1.1% of Total Investments)
     
5,000 
 
Minneapolis, Minnesota, Health Care System Revenue Bonds,S Fairview Health Services, Series 
11/18 at 100.00 
AAA 
5,633,650 
   
2008B, 6.500%, 11/15/38 – AGC Insured 
     
4,000 
 
Northern Municipal Power Agency, Minnesota, Electric System Revenue Bonds, Refunding Series 
No Opt. Call 
AAA 
4,549,600 
   
2009A, 5.000%, 1/01/15 – AGC Insured 
     
13,005 
 
Saint Paul Housing and Redevelopment Authority, Minnesota, Multifamily Housing Revenue Bonds, 
12/11 at 102.00 
N/R (4) 
14,358,690 
   
Marian Center Project, Series 2001A, 6.450%, 6/20/43 (Pre-refunded 12/20/11) 
     
22,005 
 
Total Minnesota 
   
24,541,940 
   
Nebraska – 2.4% (1.6% of Total Investments)
     
27,125 
 
Lincoln, Nebraska, Electric System Revenue Bonds, Series 2007A, 4.500%, 9/01/37 – FGIC 
9/17 at 100.00 
AA 
27,039,828 
   
Insured (UB) 
     
5,000 
 
Municipal Energy Agency of Nebraska, Power Supply System Revenue and Refunding Bonds, 
4/19 at 100.00 
AA+ 
5,389,000 
   
Series 2009A, 5.375%, 4/01/39 – BHAC Insured 
     
1,000 
 
Nebraska Public Power District, General Revenue Bonds, Series 2005A, 5.000%, 1/01/25 – 
1/15 at 100.00 
AAA 
1,044,230 
   
AGM Insured 
     
33,125 
 
Total Nebraska 
   
33,473,058 
   
Nevada – 6.7% (4.3% of Total Investments)
     
8,475 
 
Clark County, Nevada, General Obligation Bank Bonds, Southern Nevada Water Authority Loan, 
12/12 at 100.00 
Aaa 
8,561,869 
   
Series 2002, 5.000%, 6/01/32 – NPFG Insured 
     
3,630 
 
Clark County, Nevada, General Obligation Bank Bonds, Southern Nevada Water Authority Loan, 
12/12 at 100.00 
AA+ (4) 
4,014,090 
   
Series 2002, 5.000%, 6/01/32 (Pre-refunded 12/01/12) – NPFG Insured 
     
14,140 
 
Clark County, Nevada, Passenger Facility Charge Revenue Bonds, Las Vegas-McCarran 
1/20 at 100.00 
AAA 
14,460,978 
   
International Airport, Series 2010A, 5.250%, 7/01/39 – AGM Insured 
     
7,370 
 
Clark County, Nevada, Subordinate Lien Airport Revenue Bonds, Series 2004A-2, 5.125%, 
7/14 at 100.00 
Aa3 
7,582,919 
   
7/01/25 – FGIC Insured 
     
   
Director of Nevada State Department of Business and Industry, Revenue Bonds, Las Vegas 
     
   
Monorail Project, First Tier, Series 2000: 
     
15,000 
 
5.625%, 1/01/34 – AMBAC Insured (5) 
1/12 at 100.00 
N/R 
3,595,350 
11,400 
 
5.375%, 1/01/40 – AMBAC Insured (5) 
1/11 at 100.00 
N/R 
2,732,694 
14,985 
 
Reno, Nevada, Capital Improvement Revenue Bonds, Series 2002, 5.375%, 6/01/32 – FGIC Insured 
6/12 at 100.00 
14,452,283 
25,300 
 
Reno, Nevada, Capital Improvement Revenue Bonds, Series 2002, 5.375%, 6/01/32 (Pre-refunded 
6/12 at 100.00 
A3 (4) 
27,606,095 
   
6/01/12) – FGIC Insured 
     
10,000 
 
Reno, Nevada, Senior Lien Sales and Room Tax Revenue Bonds, Reno Transportation Rail Access 
6/12 at 100.00 
Baa3 (4) 
10,856,100 
   
Corridor Project, Series 2002, 5.125%, 6/01/27 (Pre-refunded 6/01/12) – AMBAC Insured 
     
110,300 
 
Total Nevada 
   
93,862,378 
   
New Jersey – 4.1% (2.7% of Total Investments)
     
   
Essex County Improvement Authority, New Jersey, Guaranteed Revenue Bonds, Project 
     
   
Consolidation, Series 2004: 
     
2,000 
 
5.125%, 10/01/21 – NPFG Insured 
10/14 at 100.00 
Aa2 
2,130,160 
2,250 
 
5.125%, 10/01/22 – NPFG Insured 
10/14 at 100.00 
Aa2 
2,381,198 
   
New Jersey Economic Development Authority, Revenue Bonds, Motor Vehicle Surcharge, 
     
   
Series 2004A: 
     
3,850 
 
5.000%, 7/01/22 – NPFG Insured 
7/14 at 100.00 
4,046,004 
3,850 
 
5.000%, 7/01/23 – NPFG Insured 
7/14 at 100.00 
4,025,945 
26,000 
 
New Jersey Turnpike Authority, Revenue Bonds, Refunding Series 2005D-1, 5.250%, 1/01/26 – 
No Opt. Call 
AAA 
30,119,960 
   
AGM Insured 
     
   
New Jersey Turnpike Authority, Revenue Bonds, Series 2003A: 
     
8,250 
 
5.000%, 1/01/19 – FGIC Insured 
7/13 at 100.00 
A+ 
9,004,793 
2,000 
 
5.000%, 1/01/23 – AGM Insured (UB) 
7/13 at 100.00 
AAA 
2,141,278 
3,320 
 
New Jersey Turnpike Authority, Revenue Bonds, Series 2005A, 5.000%, 1/01/21 – AGM Insured (UB) 
1/15 at 100.00 
AAA 
3,614,351 
51,520 
 
Total New Jersey 
   
57,463,689 
   
New Mexico – 1.3% (0.8% of Total Investments)
     
3,660 
 
San Juan County, New Mexico, Subordinate Gross Receipts Tax Revenue Bonds, Series 2005, 
6/15 at 100.00 
Aa3 
3,827,921 
   
5.000%, 6/15/25 – NPFG Insured 
     
13,600 
 
University of New Mexico, System Improvement Subordinated Lien Revenue Bonds, Series 2007A, 
6/17 at 100.00 
AAA 
14,125,232 
   
5.000%, 6/01/36 – AGM Insured 
     
17,260 
 
Total New Mexico 
   
17,953,153 
   
New York – 6.8% (4.4% of Total Investments)
     
1,880 
 
Dormitory Authority of the State of New York, FHA-Insured Mortgage Revenue Bonds, Montefiore 
2/15 at 100.00 
1,956,215 
   
Hospital, Series 2004, 5.000%, 8/01/23 – FGIC Insured 
     
3,335 
 
Dormitory Authority of the State of New York, State Personal Income Tax Revenue Bonds, Series 
3/15 at 100.00 
AAA 
3,571,485 
   
2005F, 5.000%, 3/15/24 – AMBAC Insured 
     
3,820 
 
Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Series 2006A, 4.500%, 
2/17 at 100.00 
3,522,957 
   
2/15/47 – NPFG Insured 
     
12,500 
 
Long Island Power Authority, New York, Electric System General Revenue Bonds, Series 2006A, 
6/16 at 100.00 
13,234,250 
   
5.000%, 12/01/25 – FGIC Insured 
     
6,900 
 
Long Island Power Authority, New York, Electric System Revenue Bonds, Series 2006F, 4.250%, 
11/16 at 100.00 
6,746,889 
   
5/01/33 – NPFG Insured 
     
   
Metropolitan Transportation Authority, New York, State Service Contract Refunding Bonds, 
     
   
Series 2002A: 
     
1,500 
 
5.000%, 7/01/21 – FGIC Insured 
7/12 at 100.00 
AA– 
1,584,855 
5,000 
 
5.000%, 7/01/25 – FGIC Insured 
7/12 at 100.00 
AA– 
5,238,900 
2,615 
 
New York City Industrial Development Agency, New York, Revenue Bonds, Yankee Stadium Project 
3/19 at 100.00 
AAA 
3,042,003 
   
Pilot, Series 2009A, 7.000%, 3/01/49 – AGC Insured 
     
5,000 
 
New York City, New York, General Obligation Bonds, Fiscal Series 2005F-1, 5.000%, 9/01/21 – 
9/15 at 100.00 
AA 
5,579,750 
   
AMBAC Insured 
     
10,000 
 
New York City, New York, General Obligation Bonds, Fiscal Series 2005M, 5.000%, 4/01/26 – 
4/15 at 100.00 
AA 
10,675,200 
   
FGIC Insured 
     
5,000 
 
New York State Thruway Authority, General Revenue Bonds, Series 2005F, 5.000%, 1/01/26 – 
1/15 at 100.00 
A+ 
5,235,600 
   
AMBAC Insured 
     
14,000 
 
New York State Thruway Authority, General Revenue Bonds, Series 2005G, 5.000%, 1/01/30 – 
7/15 at 100.00 
AAA 
14,612,780 
   
AGM Insured 
     
3,650 
 
New York State Urban Development Corporation, Service Contract Revenue Bonds, Series 2005B, 
3/15 at 100.00 
AAA 
3,971,492 
   
5.000%, 3/15/25 – AGM Insured (UB) 
     
   
New York State Urban Development Corporation, State Personal Income Tax Revenue Bonds, 
     
   
Series 2004A-1: 
     
1,000 
 
5.000%, 3/15/23 – FGIC Insured 
3/14 at 100.00 
AAA 
1,085,950 
5,000 
 
5.000%, 3/15/25 – FGIC Insured 
3/14 at 100.00 
AAA 
5,359,550 
10,000 
 
Triborough Bridge and Tunnel Authority, New York, Subordinate Lien General Purpose Revenue 
11/12 at 100.00 
Aa3 
10,446,100 
   
Refunding Bonds, Series 2002E, 5.000%, 11/15/32 – NPFG Insured 
     
91,200 
 
Total New York 
   
95,863,976 
   
North Carolina – 1.2% (0.8% of Total Investments)
     
   
Mooresville, North Carolina, Enterprise System Revenue Bonds, Series 2004: 
     
2,115 
 
5.000%, 5/01/22 – FGIC Insured 
5/14 at 100.00 
AA– 
2,232,636 
2,575 
 
5.000%, 5/01/26 – FGIC Insured 
5/14 at 100.00 
AA– 
2,657,864 
5,250 
 
North Carolina Municipal Power Agency 1, Catawba Electric Revenue Bonds, Series 2003A, 5.250%, 
1/13 at 100.00 
AAA 
5,734,365 
   
1/01/16 – AGM Insured 
     
   
Raleigh Durham Airport Authority, North Carolina, Airport Revenue Bonds, Series 2005A: 
     
3,205 
 
5.000%, 5/01/23 – AMBAC Insured 
5/15 at 100.00 
Aa3 
3,385,313 
3,295 
 
5.000%, 5/01/24 – AMBAC Insured 
5/15 at 100.00 
Aa3 
3,455,038 
16,440 
 
Total North Carolina 
   
17,465,216 
   
North Dakota – 0.5% (0.3% of Total Investments)
     
   
Grand Forks, North Dakota, Sales Tax Revenue Bonds, Alerus Project, Series 2005A: 
     
2,195 
 
5.000%, 12/15/22 – NPFG Insured 
12/15 at 100.00 
Aa3 
2,388,489 
1,355 
 
5.000%, 12/15/23 – NPFG Insured 
12/15 at 100.00 
Aa3 
1,461,327 
3,000 
 
5.000%, 12/15/24 – NPFG Insured 
12/15 at 100.00 
Aa3 
3,201,210 
6,550 
 
Total North Dakota 
   
7,051,026 
   
Ohio – 3.7% (2.4% of Total Investments)
     
2,650 
 
Cleveland State University, Ohio, General Receipts Bonds, Series 2004, 5.250%, 6/01/24 – 
6/14 at 100.00 
A+ 
2,813,717 
   
FGIC Insured 
     
2,000 
 
Columbus City School District, Franklin County, Ohio, General Obligation Bonds, Series 2004, 
12/14 at 100.00 
AAA 
2,361,740 
   
5.250%, 12/01/25 (Pre-refunded 12/01/14) – AGM Insured 
     
2,385 
 
Columbus, Ohio, Tax Increment Financing Bonds, Easton Project, Series 2004A, 5.000%, 
6/14 at 100.00 
BBB+ 
2,476,918 
   
12/01/22 – AMBAC Insured 
     
2,205 
 
Hamilton City School District, Ohio, General Obligation Bonds, Series 2005, 5.000%, 12/01/24 – 
6/15 at 100.00 
Baa1 
2,307,378 
   
NPFG Insured 
     
19,595 
 
Hamilton County, Ohio, Sales Tax Bonds, Subordinate Lien, Series 2006, 4.250%, 12/01/32 – 
12/16 at 100.00 
A1 
18,577,432 
   
AMBAC Insured 
     
20,100 
 
Lucas County, Ohio, Hospital Revenue Bonds, ProMedica Healthcare Obligated Group, Series 1999, 
11/10 at 100.50 
N/R 
20,176,581 
   
5.375%, 11/15/39 – AMBAC Insured 
     
3,000 
 
Ross Local School District, Butler County, Ohio, General Obligation Bonds, Series 2003, 
12/13 at 100.00 
Aa2 (4) 
3,432,630 
   
5.000%, 12/01/28 (Pre-refunded 12/01/13) – AGM Insured 
     
51,935 
 
Total Ohio 
   
52,146,396 
   
Oklahoma – 2.6% (1.7% of Total Investments)
     
3,500 
 
Oklahoma Capitol Improvement Authority, State Facilities Revenue Bonds, Series 2005F, 5.000%, 
7/15 at 100.00 
AA 
3,669,120 
   
7/01/24 – AMBAC Insured 
     
1,815 
 
Oklahoma Housing Finance Agency, GNMA Collateralized Single Family Mortgage Revenue Bonds, 
No Opt. Call 
AAA 
1,883,081 
   
Series 1987A, 7.997%, 8/01/18 (Alternative Minimum Tax) 
     
21,000 
 
Oklahoma Municipal Power Authority, Power Supply System Revenue Bonds, Series 2007, 4.500%, 
1/17 at 100.00 
20,153,700 
   
1/01/47 – FGIC Insured 
     
5,245 
 
Oklahoma State Industries Authority, Revenue Bonds, Oklahoma Medical Research Foundation, 
2/11 at 100.00 
A1 
5,280,876 
   
Series 2001, 5.250%, 2/01/21 – AMBAC Insured 
     
4,880 
 
University of Oklahoma, Student Housing Revenue Bonds, Series 2004, 5.000%, 7/01/22 – 
7/14 at 100.00 
Aa3 
5,085,448 
   
AMBAC Insured 
     
36,440 
 
Total Oklahoma 
   
36,072,225 
   
Oregon – 0.2% (0.2% of Total Investments)
     
2,535 
 
Oregon Department of Administrative Services, Certificates of Participation, Series 2005A, 
5/15 at 100.00 
AAA 
2,684,083 
   
5.000%, 5/01/25 – AGM Insured 
     
695 
 
Oregon Housing and Community Services Department, Single Family Mortgage Revenue Bonds, 
1/11 at 100.00 
Aa2 
695,910 
   
Series 1995A, 6.450%, 7/01/26 (Alternative Minimum Tax) 
     
3,230 
 
Total Oregon 
   
3,379,993 
   
Pennsylvania – 3.2% (2.1% of Total Investments)
     
7,925 
 
Commonwealth Financing Authority, Pennsylvania, State Appropriation Lease Bonds, Series 2006A, 
6/16 at 100.00 
AAA 
8,413,893 
   
5.000%, 6/01/26 – AGM Insured (UB) 
     
5,250 
 
Delaware River Port Authority, New Jersey and Pennsylvania, Revenue Bonds, Series 2010E, 
1/20 at 100.00 
AAA 
5,410,913 
   
5.000%, 1/01/40 – AGM Insured 
     
1,565 
 
Montgomery County Industrial Development Authority, Pennsylvania, FHA Insured Mortgage Revenue 
8/20 at 100.00 
AA 
1,623,234 
   
Bonds, New Regional Medical Center Project, Series 2010, 5.375%, 8/01/38 
     
1,800 
 
Pennsylvania Higher Educational Facilities Authority, Revenue Bonds, Drexel University, Series 
5/15 at 100.00 
A+ 
1,846,908 
   
2005A, 5.000%, 5/01/28 – NPFG Insured 
     
11,740 
 
Pennsylvania Public School Building Authority, Lease Revenue Bonds, School District of 
12/16 at 100.00 
AAA 
11,335,322 
   
Philadelphia, Series 2006B, 4.500%, 6/01/32 – AGM Insured (UB) 
     
2,625 
 
Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Series 2006A, 5.000%, 12/01/26 – 
6/16 at 100.00 
Aa3 
2,774,993 
   
AMBAC Insured 
     
6,335 
 
Radnor Township School District, Delaware County, Pennsylvania, General Obligation Bonds, 
8/15 at 100.00 
Aa2 
6,676,266 
   
Series 2005B, 5.000%, 2/15/30 – AGM Insured 
     
   
Reading School District, Berks County, Pennsylvania, General Obligation Bonds, Series 2005: 
     
3,285 
 
5.000%, 1/15/22 – AGM Insured (UB) 
1/16 at 100.00 
AAA 
3,565,046 
3,450 
 
5.000%, 1/15/23 – AGM Insured (UB) 
1/16 at 100.00 
AAA 
3,726,207 
43,975 
 
Total Pennsylvania 
   
45,372,782 
   
Puerto Rico – 0.8% (0.5% of Total Investments)
     
2,500 
 
Puerto Rico Electric Power Authority, Power Revenue Bonds, Series 2005RR, 5.000%, 7/01/30 
7/15 at 100.00 
AAA 
2,967,600 
   
(Pre-refunded 7/01/15) – SYNCORA GTY Insured 
     
2,000 
 
Puerto Rico Highway and Transportation Authority, Highway Revenue Bonds, Series 2003G, 5.250%, 
7/13 at 100.00 
A3 
2,073,480 
   
7/01/19 – FGIC Insured 
     
1,550 
 
Puerto Rico Municipal Finance Agency, Series 2005C, 5.250%, 8/01/21 – CIFG Insured 
No Opt. Call 
A3 
1,625,578 
36,000 
 
Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Series 2007A, 0.000%, 
No Opt. Call 
Aa2 
5,076,000 
   
8/01/42 – FGIC Insured 
     
42,050 
 
Total Puerto Rico 
   
11,742,658 
   
Rhode Island – 1.8% (1.1% of Total Investments)
     
2,195 
 
Providence Housing Development Corporation, Rhode Island, FHA-Insured Section 8 Assisted 
1/11 at 100.00 
2,198,271 
   
Mortgage Revenue Refunding Bonds, Barbara Jordan Apartments, Series 1994A, 6.750%, 7/01/25 – 
     
   
NPFG Insured 
     
20,475 
 
Rhode Island Depositors Economic Protection Corporation, Special Obligation Refunding Bonds, 
2/11 at 100.00 
A (4) 
20,988,513 
   
Series 1993B, 5.250%, 8/01/21 (Pre-refunded 2/01/11) – NPFG Insured 
     
1,405 
 
Rhode Island Health & Educational Building Corporation, Higher Education Auxiliary Enterprise 
9/14 at 100.00 
A1 
1,514,126 
   
Revenue Bonds, Series 2004A, 5.500%, 9/15/24 – AMBAC Insured 
     
24,075 
 
Total Rhode Island 
   
24,700,910 
   
South Carolina – 5.5% (3.6% of Total Investments)
     
14,650 
 
Anderson County School District 5, South Carolina, General Obligation Bonds, Series 2008, 
No Opt. Call 
AAA 
16,341,782 
   
Trust 1181, 9.678%, 8/01/15 – AGM Insured (IF) 
     
10,000 
 
Beaufort County, South Carolina, Tax Increment Bonds, New River Redevelopment Project, Series 
12/12 at 100.00 
10,144,500 
   
2002, 5.000%, 6/01/27 – NPFG Insured 
     
   
Medical University Hospital Authority, South Carolina, FHA-Insured Mortgage Revenue Bonds, 
     
   
Series 2004A: 
     
2,000 
 
5.250%, 8/15/22 – NPFG Insured 
8/14 at 100.00 
2,122,140 
2,605 
 
5.250%, 8/15/23 – NPFG Insured 
8/14 at 100.00 
2,753,641 
2,385 
 
5.250%, 8/15/25 – NPFG Insured 
8/14 at 100.00 
2,497,906 
375 
 
Piedmont Municipal Power Agency, South Carolina, Electric Revenue Bonds, Series 1988A, 0.000%, 
No Opt. Call 
Aaa 
331,121 
   
1/01/13 – AMBAC Insured (ETM) 
     
7,955 
 
Piedmont Municipal Power Agency, South Carolina, Electric Revenue Bonds, Series 1988A, 0.000%, 
No Opt. Call 
N/R 
7,060,063 
   
1/01/13 – AMBAC Insured 
     
8,000 
 
South Carolina JOBS Economic Development Authority, Industrial Revenue Bonds, South Carolina 
11/12 at 100.00 
8,379,520 
   
Electric and Gas Company, Series 2002A, 5.200%, 11/01/27 – AMBAC Insured 
     
10,000 
 
South Carolina JOBS Economic Development Authority, Industrial Revenue Bonds, South Carolina 
11/12 at 100.00 
10,015,900 
   
Electric and Gas Company, Series 2002B, 5.450%, 11/01/32 – AMBAC Insured (Alternative 
     
   
Minimum Tax) 
     
17,500 
 
South Carolina Transportation Infrastructure Bank, Revenue Bonds, Series 2007A, 4.500%, 
10/16 at 100.00 
Aa3 
17,182,725 
   
10/01/34 – SYNCORA GTY Insured 
     
75,470 
 
Total South Carolina 
   
76,829,298 
   
Tennessee – 0.5% (0.3% of Total Investments)
     
6,455 
 
Memphis-Shelby County Airport Authority, Tennessee, Airport Revenue Bonds, Series 2001A, 
3/11 at 100.00 
AAA 
6,532,525 
   
5.500%, 3/01/18 – AGM Insured (Alternative Minimum Tax) 
     
   
Texas – 9.0% (5.8% of Total Investments)
     
521 
 
Capital Area Housing Finance Corporation, Texas, FNMA Backed Single Family Mortgage Revenue 
4/12 at 106.00 
Aaa 
547,996 
   
Refunding Bonds, Series 2002A-2, 6.300%, 4/01/35 – AMBAC Insured (Alternative Minimum Tax) 
     
12,500 
 
Dallas-Ft. Worth International Airport, Texas, Joint Revenue Bonds, Series 2000A, 6.125%, 
11/10 at 100.00 
A+ 
12,514,625 
   
11/01/35 – NPFG Insured (Alternative Minimum Tax) 
     
25,000 
 
Harris County-Houston Sports Authority, Texas, Junior Lien Revenue Refunding Bonds, Series 
11/11 at 100.00 
23,868,750 
   
2001B, 5.250%, 11/15/40 – NPFG Insured 
     
4,671 
 
Houston Housing Finance Corporation, Texas, GNMA Collateralized Mortgage Multifamily Housing 
9/11 at 105.00 
Aaa 
4,860,316 
   
Revenue Bonds, RRG Apartments Project, Series 2001, 6.350%, 3/20/42 
     
   
Houston, Texas, First Lien Combined Utility System Revenue Bonds, Series 2004A: 
     
4,000 
 
5.250%, 5/15/24 – FGIC Insured 
5/14 at 100.00 
AA 
4,353,040 
5,000 
 
5.250%, 5/15/25 – NPFG Insured 
5/14 at 100.00 
AA 
5,407,050 
17,500 
 
Houston, Texas, Hotel Occupancy Tax and Special Revenue Bonds, Convention and Entertainment 
9/11 at 100.00 
A2 
17,609,200 
   
Project, Series 2001B, 5.250%, 9/01/33 – AMBAC Insured 
     
900 
 
Houston, Texas, Subordinate Lien Airport System Revenue Bonds, Series 2000A, 5.625%, 7/01/30 – 
1/11 at 100.00 
AAA 
900,306 
   
AGM Insured (Alternative Minimum Tax) 
     
23,865 
 
Jefferson County Health Facilities Development Corporation, Texas, FHA-Insured Mortgage 
8/11 at 100.00 
N/R 
23,909,628 
   
Revenue Bonds, Baptist Hospital of Southeast Texas, Series 2001, 5.500%, 8/15/41 – 
     
   
AMBAC Insured 
     
140 
 
Lower Colorado River Authority, Texas, Revenue Refunding and Improvement Bonds, Series 2001A, 
5/11 at 100.00 
A1 (4) 
145,215 
   
5.000%, 5/15/21 (Pre-refunded 5/15/11) – NPFG Insured 
     
8,065 
 
Lower Colorado River Authority, Texas, Revenue Refunding and Improvement Bonds, Series 2001A, 
5/11 at 100.00 
A1 
8,278,964 
   
5.000%, 5/15/21 – NPFG Insured 
     
   
Port of Houston Authority, Harris County, Texas, General Obligation Port Improvement Bonds, 
     
   
Series 2001B: 
     
3,205 
 
5.500%, 10/01/18 – FGIC Insured (Alternative Minimum Tax) 
10/11 at 100.00 
AAA 
3,281,183 
3,375 
 
5.500%, 10/01/19 – FGIC Insured (Alternative Minimum Tax) 
10/11 at 100.00 
AAA 
3,447,225 
7,205 
 
San Antonio, Texas, Airport System Improvement Revenue Bonds, Series 2001, 5.375%, 7/01/15 – 
7/11 at 101.00 
A+ 
7,444,350 
   
FGIC Insured (Alternative Minimum Tax) 
     
7,550 
 
Waco Health Facilities Development Corporation, Texas, Hillcrest Health System Project, FHA 
8/16 at 100.00 
7,482,201 
   
Insured Mortgage Revenue Bonds, Series 2006A, 5.000%, 8/01/31 – NPFG Insured 
     
1,840 
 
Ysleta Independent School District Public Facility Corporation, Texas, Lease Revenue Refunding 
11/10 at 100.00 
AA– 
1,861,436 
   
Bonds, Series 2001, 5.375%, 11/15/24 – AMBAC Insured 
     
125,337 
 
Total Texas 
   
125,911,485 
   
Utah – 1.3% (0.9% of Total Investments)
     
2,000 
 
Clearfield City, Utah, Sales Tax Revenue Bonds, Series 2003, 5.000%, 7/01/28 (Pre-refunded 
7/13 at 100.00 
AA– (4) 
2,253,360 
   
7/01/13) – FGIC Insured 
     
15,000 
 
Utah Transit Authority, Sales Tax Revenue Bonds, Series 2008A, 5.000%, 6/15/32 – AGM 
6/18 at 100.00 
AAA 
16,030,200 
   
Insured (UB) 
     
17,000 
 
Total Utah 
   
18,283,560 
   
Virginia – 1.2% (0.8% of Total Investments)
     
1,035 
 
Loudoun County Industrial Development Authority, Virginia, Lease Revenue Bonds, Public Safety 
6/14 at 100.00 
AAA 
1,161,239 
   
Facilities, Series 2003A, 5.250%, 12/15/20 – AGM Insured 
     
4,840 
 
Metropolitan Washington D.C. Airports Authority, Airport System Revenue Bonds, Series 2001A, 
10/11 at 101.00 
AA– 
5,092,987 
   
5.500%, 10/01/19 – NPFG Insured (Alternative Minimum Tax) 
     
10,000 
 
Virginia Housing Development Authority, Commonwealth Mortgage Bonds, Series 2001H-1, 5.375%, 
7/11 at 100.00 
AAA 
10,211,600 
   
7/01/36 – NPFG Insured (UB) 
     
15,875 
 
Total Virginia 
   
16,465,826 
   
Washington – 4.3% (2.8% of Total Investments)
     
2,500 
 
Grant County Public Utility District 2, Washington, Revenue Bonds, Wanapum Hydroelectric 
1/15 at 100.00 
AA– 
2,578,800 
   
Development, Series 2005A, 5.000%, 1/01/29 – FGIC Insured 
     
3,500 
 
King County School District 401, Highline, Washington, General Obligation Bonds, Series 2004, 
12/14 at 100.00 
AA+ 
3,755,955 
   
5.000%, 10/01/24 – FGIC Insured 
     
5,000 
 
King County, Washington, General Obligation Sewer Bonds, Series 2009, Trust 1W, 13.523%, 
1/19 at 100.00 
AAA 
6,233,900 
   
1/01/39 – AGC Insured (IF) 
     
17,000 
 
King County, Washington, Sewer Revenue Bonds, Series 2007, 5.000%, 1/01/42 – AGM Insured 
7/17 at 100.00 
AAA 
17,772,310 
4,345 
 
King County, Washington, Sewer Revenue Bonds, Tender Option Bond Trust 3090, 13.098%, 
7/17 at 100.00 
AAA 
4,913,456 
   
7/01/32 – AGM Insured (IF) 
     
4,250 
 
Snohomish County Public Utility District 1, Washington, Generation System Revenue Bonds, 
No Opt. Call 
Aaa 
5,393,463 
   
Series 1989, 6.650%, 1/01/16 – FGIC Insured (ETM) 
     
   
Tacoma, Washington, Solid Waste Utility Revenue Refunding Bonds, Series 2006: 
     
3,890 
 
5.000%, 12/01/24 – SYNCORA GTY Insured 
12/16 at 100.00 
AA 
4,160,627 
4,085 
 
5.000%, 12/01/25 – SYNCORA GTY Insured 
12/16 at 100.00 
AA 
4,343,173 
4,290 
 
5.000%, 12/01/26 – SYNCORA GTY Insured 
12/16 at 100.00 
AA 
4,533,929 
5,945 
 
Washington State, General Obligation Bonds, Series 2009, Trust 1212, 13.268%, 7/01/14 – AGM 
7/16 at 100.00 
AAA 
6,929,135 
   
Insured (IF) 
     
54,805 
 
Total Washington 
   
60,614,748 
   
Wisconsin – 2.1% (1.4% of Total Investments)
     
15,000 
 
Wisconsin Health and Educational Facilities Authority, Revenue Bonds, Marshfield Clinic, 
8/10 at 100.00 
15,003,000 
   
Series 1997, 5.750%, 2/15/27 – NPFG Insured 
     
290 
 
Wisconsin, General Obligation Bonds, Series 2004-3, 5.250%, 5/01/20 – FGIC Insured 
5/14 at 100.00 
AA 
315,940 
2,600 
 
Wisconsin, General Obligation Bonds, Series 2004-3, 5.250%, 5/01/20 (Pre-refunded 5/01/14) – 
5/14 at 100.00 
Aa2 (4) 
3,023,514 
   
FGIC Insured 
     
10,945 
 
Wisconsin, General Obligation Bonds, Series 2004-4, 5.000%, 5/01/20 – NPFG Insured 
5/14 at 100.00 
AA 
11,818,958 
28,835 
 
Total Wisconsin 
   
30,161,412 
$ 2,268,560 
 
Total Long-Term Investments (cost $2,089,517,440) – 153.5% 
   
2,157,860,833 
   
Short-Term Investments – 0.6% (0.4% of Total Investments)
     
   
Colorado – 0.1% (0.1% of Total Investments)
     
$ 1,400 
 
Colorado Health Facilities Authority, Colorado, Revenue Bonds, Catholic Health Initiatives, 
No Opt. Call 
A-1+ 
1,400,000 
   
Variable Rate Demand Obligations,Tender Option Bond Trust 2906Z, 0.280%, 3/01/16 (6) 
     
   
Georgia – 0.1% (0.1% of Total Investments)
     
1,882 
 
Metropolitan Atlanta Rapid Transit Authority, Georgia, Sales Tax Revenue Bonds, Variable Rate 
7/17 at 100.00 
A-1 
1,882,000 
   
Demand Obligations, Tender Option Bond Trust 2008-1061, 0.280%, 7/01/34 (6) 
     
   
Illinios – 0.2% (0.1% of Total Investments)
     
3,000 
 
Chicago, Illinois, General Obligation Bonds, Variable Rate Demand Obligations, 
1/17 at 100.00 
A-1+ 
3,000,000 
   
Tender Option Bond Trust Series 26W, 0.290%, 1/01/37 (6) 
     
   
North Carolina – 0.2% (0.1% of Total Investments)
     
2,500 
 
Sampson County, North Carolina, Certificates of Participation, Series 2006, Variable Rate Demand 
No Opt. Call 
A-1 
2,500,000 
   
   Obligations, Series 112, 0.310%, 1/01/15 (6) 
     
   
Total Short-Term Investments (cost $8,782,000) 
   
8,782,000 
   
Total Investments (cost $2,098,299,440) – 154.1% 
   
2,166,642,833 
   
Floating Rate Obligations – (9.6)% 
   
(134,833,333)
   
Other Assets Less Liabilities – 2.8% 
   
38,924,758 
   
Auction Rate Preferred Shares, at Liquidation Value – (47.3)% (7) 
   
(664,825,000)
   
Net Assets Applicable to Common Shares – 100% 
   
$ 1,405,909,258 

 
 
 

 

 
Fair Value Measurements
 
 
In determining the value of the Fund’s investments, various inputs are used. These inputs are summarized in the three broad levels listed below:
 
 
Level 1 – Quoted prices in active markets for identical securities.
 
 
Level 2 – Other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risk, etc.).
 
 
Level 3 – Significant unobservable inputs (including management’s assumptions in determining the fair value of investments).
 
 
The inputs or methodologies used for valuing securities are not an indication of the risk associated with investing in those securities. The following is a summary of the Fund’s fair value measurements as of July 31, 2010:
 
         
 
Level 1
Level 2
Level 3
Total
Investments: 
       
Municipal Bonds 
$ — 
$2,157,860,833 
$ — 
$2,157,860,833 
Short-Term Investments 
— 
8,782,000 
— 
8,782,000 
Total 
$ — 
$2,166,642,833 
$ — 
$2,166,642,833 

 
Income Tax Information
 
 
The following information is presented on an income tax basis. Differences between amounts for financial statement and federal income tax purposes are primarily due to timing differences in recognizing taxable market discount, timing differences in recognizing certain gains and losses on investment transactions and the treatment of investments in inverse floating rate securities reflected as financing transactions, if any. To the extent that differences arise that are permanent in nature, such amounts are reclassified within the capital accounts on the Statement of Assets and Liabilities presented in the annual report, based on their federal tax basis treatment; temporary differences do not require reclassification. Temporary and permanent differences do not impact the net asset value of the Fund.
 
 
At July 31, 2010, the cost of investments was $1,969,059,620.
 
 
Gross unrealized appreciation and gross unrealized depreciation of investments at July 31, 2010, were as follows:
 
   
Gross unrealized: 
 
Appreciation 
$110,408,790 
Depreciation 
(47,654,302)
Net unrealized appreciation (depreciation) of investments 
$ 62,754,488 

   
 
The Fund intends to invest at least 80% of its net assets in municipal securities that are covered by 
 
insurance guaranteeing the timely payment of principal and interest. 
(1) 
All percentages shown in the Portfolio of Investments are based on net assets applicable to Common shares 
 
unless otherwise noted. 
(2) 
Optional Call Provisions: Dates (month and year) and prices of the earliest optional call or redemption. There 
 
may be other call provisions at varying prices at later dates. Certain mortgage-backed securities may be subject 
 
to periodic principal paydowns. 
(3) 
Ratings: Using the highest of Standard & Poor’s Group (“Standard & Poor’s”), Moody’s Investor Service, Inc. 
 
(“Moody’s”) or Fitch, Inc. (“Fitch”) rating. Ratings below BBB by Standard & Poor’s, Baa by Moody’s or BBB by 
 
Fitch are considered to be below investment grade. 
(4) 
Backed by an escrow or trust containing sufficient U.S. Government or U.S. Government agency securities, 
 
which ensure the timely payment of principal and interest. Such investments are normally considered to be 
 
equivalent to AAA rated securities. 
(5) 
The Fund’s Adviser has concluded this issue is not likely to meet its future interest payment obligations and 
 
has directed the Fund’s custodian to cease accruing additional income on the Fund’s records. 
(6) 
Investment has a maturity of more than one year, but has variable rate and demand features which qualify 
 
it as a short-term investment. The rate disclosed is that in effect at the end of the reporting period. This 
 
rate changes periodically based on market conditions or a specified market index. 
(7) 
Auction Rate Preferred Shares, at Liquidation Value as a percentage of Total Investments is 30.7%. 
N/R 
Not rated. 
(ETM) 
Escrowed to maturity. 
(IF) 
Inverse floating rate investment. 
(UB) 
Underlying bond of an inverse floating rate trust reflected as a financing transaction. 


 
 
 

 
Item 2. Controls and Procedures.

a.  
The registrant's principal executive and principal financial officers, or persons performing similar functions, have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the "1940 Act") (17 CFR 270.30a-3(c))) are effective, as of a date within 90 days of the filing date of this report that includes the disclosure required by this paragraph, based on their evaluation of the controls and procedures required by Rule 30a-3(b) under the 1940 Act (17 CFR 270.30a-3(b)) and Rule 13a-15(b) or 15d-15(b) under the Securities Exchange Act of 1934 (17 CFR 240.13a-15(b) or 240.15d-15(b)).
 
 
b.  
There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR 270.30a-3(d)) that occurred during the registrant's last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting.
 
Item 3. Exhibits.

File as exhibits as part of this Form a separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the 1940 Act (17 CFR 270.30a-2(a)), exactly as set forth below: See EX-99 CERT attached hereto.

 
 
 

 
SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 
(Registrant)  Nuveen Insured Municipal Opportunity Fund, Inc. 
 
By (Signature and Title)     /s/ Kevin J. McCarthy                    
                                                   Kevin J. McCarthy
                                                   Vice President and Secretary
 
Date         September 29, 2010        
 
Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
 
By (Signature and Title)     /s/ Gifford R. Zimmerman                    
                                                    Gifford R. Zimmerman
                                                  Chief Administrative Officer (principal executive officer) 
 
Date         September 29, 2010        
 
By (Signature and Title)     /s/ Stephen D. Foy                              
                                                   Stephen D. Foy
                                                  Vice President and Controller (principal financial officer) 
 
Date         September 29, 2010