UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: 3/31/06

Check here if Amendment [ ]; Amendment Number: ____

This Amendment (Check only one): [ ]   is a restatement.

                                 [ ]   adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    Texas Capital Bancshares

Address: 2100 McKinney Ave, Ste 1460
         Dallas, TX 75201
         Attn: Dave Folz

Form 13F File Number: 28-_____________

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:  David Folz
Title: Executive Vice President
Phone: 214-932-6625

Signature, Place, and Date of Signing:


/s/ David Floz                       Dallas TX     4/25/06
--------------------------------   -------------   -------
[Signature]                        [City, State]    [Date]

Report Type (Check one only):

[ ]  13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
     are reported in this report.)

[ ]  13F NOTICE. (Check here if no holdings reported are in this report, and all
     holdings are reported by other reporting manager(s).)

[X]  13F COMBINATION REPORT. (Check here if a portion of the holdings for this
     reporting manager are reported in this report and a portion are reported by
     other reporting manager(s).)

List of Other Managers Reporting for this Manager:

[If there are no entries in this list, omit this section.]

Form 13F File Number        Name

28-______________________   _______________________________________
[Repeat as necessary.]


                                        9


                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 1


BELOW IS A LIST OF THE EQUITY SECURITIES THAT YOU HAVE FLAGGED ON YOUR
AUTO-TRUST FILES AS "13 F SECURITIES" WITH A "13 F INVESTMENT DISCRETION" OF
SOLE OR SHARED. SECURITIES ARE LISTED BY SECURITY TYPE AND IN CUSIP NUMBER ORDER
WITHIN EACH SECURITY TYPE. SECURITY POSITIONS WITH AN INVESTMENT DISCRETION OF
NONE, AND SECURITY TYPES 01-06, 12, 15, 16, 18-22, 25-27 AND 34-37 ARE NOT
INCLUDED IN THIS REPORT

                           FORM 13F INFORMATION TABLE



                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
ACE LTD                     ORD                 G0070K103      236     4542 SH       SOLE                     4542        0        0
AMDOCS LTD                  ORD                 G02602103      299     8300 SH       SOLE                     8300        0        0
ARCH CAP GROUP LTD          ORD                 G0450A105      229     3972 SH       SOLE                     3972        0        0
TRANSOCEAN INC              ORD                 G90078109      326     4069 SH       SOLE                     4069        0        0
WEATHERFORD INTERNATIONAL LTCOM                 G95089101      235     5158 SH       SOLE                     5158        0        0
ALCON INC.                                      H01301102       22      220 SH       SOLE                      220        0        0
CHECK POINT SOFTWARE TECH LTORD                 M22465104       20     1000 SH       SOLE                     1000        0        0
LIPMAN ELECTRONIC ENGINEERINORD                 M6772H101       68     2502 SH       SOLE                     2502        0        0
ASML HLDG NV                N Y SHS             N07059111       94     4634 SH       SOLE                     4634        0        0
FLEXTRONICS INTL LTD        ORD                 Y2573F102       71     6940 SH       SOLE                     6940        0        0
GENERAL MARITIME CORP       SHS                 Y2692M103      176     5283 SH       SOLE                     5283        0        0
ABB LTD                     SPONSORED ADR       000375204      328    26198 SH       SOLE                    26198        0        0
AFLAC INC                   COM                 001055102     1355    30031 SH       SOLE                    30031        0        0
AGL RES INC                 COM                 001204106      135     3771 SH       SOLE                     3771        0        0
AIM STRATEGIC CASH PLUS                         00143C101     1755  1755000 PRN      SOLE                  1755000        0        0
A S V INC                   COM                 001963107       60     1870 SH       SOLE                     1870        0        0
AT&T INC                    COM                 00206R102     1244    46040 SH       SOLE                    46040        0        0
AU OPTRONICS CORP           SPONSORED ADR       002255107       67     4517 SH       SOLE                     4517        0        0
ABBOTT LABS                 COM                 002824100       25      600 SH       SOLE                      600        0        0
ADESA INC                   COM                 00686U104      364    13650 SH       SOLE                    13650        0        0
ADIDAS SALOMON AG           ADR                 00687A107      172     1748 SH       SOLE                     1748        0        0
ADOBE SYS INC               COM                 00724F101     1260    36080 SH       SOLE                    36080        0        0
AFFILIATED MANAGERS GROUP   COM                 008252108     1221    11461 SH       SOLE                    11461        0        0
AFFYMETRIX INC              COM                 00826T108      137     4178 SH       SOLE                     4178        0        0
AGILE SOFTWARE CORP DEL     COM                 00846X105      185    24369 SH       SOLE                    24369        0        0
AGILYSYS INC                COM                 00847J105      125     8349 SH       SOLE                     8349        0        0
AKZO NOBEL NV               SPONSORED ADR       010199305      140     2661 SH       SOLE                     2661        0        0
ALLERGAN INC                COM                 018490102     1364    12580 SH       SOLE                    12580        0        0
ALLIANZ AKTIENGESELLSCHAFT  SP ADR 1/10 SH      018805101      449    26975 SH       SOLE                    26975        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 1                                             12162  2056698                                2056698        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 2


                           FORM 13F INFORMATION TABLE



                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
ALLSTATE CORP               COM                 020002101      241     4633 SH       SOLE                     4633        0        0
ALTRIA GROUP INC            COM                 02209S103      290     4100 SH       SOLE                     4100        0        0
AMERICA MOVIL S A DE C V    SPON ADR L SHS      02364W105       70     2064 SH       SOLE                     2064        0        0
AMERICAN EAGLE OUTFITTERS NECOM                 02553E106       71     2390 SH       SOLE                     2390        0        0
AMERICAN EXPRESS CO         COM                 025816109       89     1700 SH       SOLE                     1700        0        0
AMERICAN INTL GROUP INC     COM                 026874107     1010    15286 SH       SOLE                    15286        0        0
AMERICAN STD COS INC DEL    COM                 029712106      244     5699 SH       SOLE                     5699        0        0
AMERUS GROUP CO             COM                 03072M108      201     3337 SH       SOLE                     3337        0        0
AMERISOURCEBERGEN CORP      COM                 03073E105       76     1580 SH       SOLE                     1580        0        0
AMERIPRISE FINL INC         COM                 03076C106       15      340 SH       SOLE                      340        0        0
AMGEN INC                   COM                 031162100      211     2905 SH       SOLE                     2905        0        0
AMGEN INC                   COM                 031162100       14      200 SH       DEFINED                   200        0        0
AMPHENOL CORP NEW           CL A                032095101     1402    26870 SH       SOLE                    26870        0        0
ANDREW CORP                 COM                 034425108      109     8934 SH       SOLE                     8934        0        0
ANGLO AMERN PLC             ADR                 03485P102      211    10810 SH       SOLE                    10810        0        0
APACHE CORP                 COM                 037411105      288     4400 SH       SOLE                     4400        0        0
APOLLO GROUP INC            CL A                037604105       13      250 SH       SOLE                      250        0        0
APPLE COMPUTER INC          COM                 037833100       47      750 SH       SOLE                      750        0        0
APPLIED MATLS INC           COM                 038222105       98     5635 SH       SOLE                     5635        0        0
ARACRUZ CELULOSE S A        SPON ADR PFD B      038496204       52      983 SH       SOLE                      983        0        0
ARCHER DANIELS MIDLAND CO   COM                 039483102       47     1400 SH       SOLE                     1400        0        0
ASSOCIATED BANC CORP        COM                 045487105       40     1200 SH       SOLE                     1200        0        0
ATMOS ENERGY CORP           COM                 049560105       15      600 SH       SOLE                      600        0        0
AUSTRALIA & NEW ZEALAND     BANKING GROUP LTD   052528304      259     2739 SH       SOLE                     2739        0        0
AUTOMATIC DATA PROCESSING INCOM                 053015103      251     5500 SH       SOLE                     5500        0        0
AVOCENT CORP                COM                 053893103      164     5194 SH       SOLE                     5194        0        0
BG PLC                      ADR FIN INST N      055434203      312     4983 SH       SOLE                     4983        0        0
BP P. L. C.                 SPONSORED ADR       055622104      419     6083 SH       SOLE                     6083        0        0
BSD MED CORP DEL            COM                 055662100      402    78470 SH       SOLE                    78470        0        0
BAKER HUGHES INC            COM                 057224107      584     8550 SH       SOLE                     8550        0        0
BANCO BRADESCO S A          SP ADR PFD NEW      059460303       63     1776 SH       SOLE                     1776        0        0
BANK OF AMERICA CORPORATION COM                 060505104     1042    22900 SH       SOLE                    22900        0        0
BANK NEW YORK INC           COM                 064057102      965    26784 SH       SOLE                    26784        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 2                                              9315   269045                                 269045        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 3


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
BARD C R INC                COM                 067383109      700    10325 SH       SOLE                    10325        0        0
BAXTER INTL INC             COM                 071813109      161     4165 SH       SOLE                     4165        0        0
BAYER A G                   SPONSORED ADR       072730302      185     4634 SH       SOLE                     4634        0        0
BEA SYS INC                 COM                 073325102      113     8650 SH       SOLE                     8650        0        0
BEAR STEARNS COS INC        COM                 073902108     1470    10605 SH       SOLE                    10605        0        0
BECKMAN COULTER INC         COM                 075811109      163     3000 SH       SOLE                     3000        0        0
BED BATH & BEYOND INC       COM                 075896100       28      750 SH       SOLE                      750        0        0
BENTLEY PHARMACEUTICALS INC COM                 082657107      122     9300 SH       SOLE                     9300        0        0
BERKLEY W R CORP            COM                 084423102       34      600 SH       SOLE                      600        0        0
BERKSHIRE HATHAWAY INC DEL  CL B                084670207      150       50 SH       SOLE                       50        0        0
BHP BILLITON LTD            SPONSORED ADR       088606108      240     6040 SH       SOLE                     6040        0        0
BLOCK H & R INC             COM                 093671105      377    17430 SH       SOLE                    17430        0        0
BOEING CO                   COM                 097023105       50      650 SH       SOLE                      650        0        0
BRASIL TELECOM              PARTICIPACOES SA    105530109       54     1501 SH       SOLE                     1501        0        0
BRIGHTPOINT INC             COM NEW             109473405      300     9688 SH       SOLE                     9688        0        0
BRUNSWICK CORP              COM                 117043109      338     8700 SH       SOLE                     8700        0        0
BURLINGTON NORTHN SANTA FE CCOM                 12189T104     1567    18810 SH       SOLE                    18810        0        0
CBS CORP NEW                CL B                124857202      636    26550 SH       SOLE                    26550        0        0
C H ROBINSON WORLDWIDE INC  COM NEW             12541W209     2269    46240 SH       SOLE                    46240        0        0
CIT GROUP INC               COM                 125581108     1202    22465 SH       SOLE                    22465        0        0
CNOOC LTD                   SPONSORED ADR       126132109       91     1166 SH       SOLE                     1166        0        0
CNS INC                     COM                 126136100       88     4130 SH       SOLE                     4130        0        0
CVB FINL CORP               COM                 126600105      110     6479 SH       SOLE                     6479        0        0
CVS CORP                    COM                 126650100       35     1200 SH       SOLE                     1200        0        0
CA INC                      COM                 12673P105      419    15416 SH       SOLE                    15416        0        0
CADBURY SCHWEPPES PLC       ADR                 127209302      297     7436 SH       SOLE                     7436        0        0
CADENCE DESIGN SYSTEM INC   COM                 127387108       61     3355 SH       SOLE                     3355        0        0
CANON INC                   ADR                 138006309      492     7459 SH       SOLE                     7459        0        0
CAPITAL ONE FINL CORP       COM                 14040H105     1106    13745 SH       SOLE                    13745        0        0
CARDINAL HEALTH INC         COM                 14149Y108      515     6919 SH       SOLE                     6919        0        0
CAREMARK RX INC             COM                 141705103      112     2280 SH       SOLE                     2280        0        0
CEMEX S A                   SPON ADR 5 ORD      151290889      762    11688 SH       SOLE                    11688        0        0
CENDANT CORP                COM                 151313103      816    47094 SH       SOLE                    47094        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 3                                             15063   338520                                 338520        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 4


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
CENTEX CORP                 COM                 152312104     1098    17725 SH       SOLE                    17725        0        0
CERIDIAN CORP NEW           COM                 156779100      142     5592 SH       SOLE                     5592        0        0
CERNER CORP                 COM                 156782104       28      600 SH       SOLE                      600        0        0
CHECKFREE CORP NEW          COM                 162813109     1336    26470 SH       SOLE                    26470        0        0
CHEMED CORP NEW             COM                 16359R103      205     3455 SH       SOLE                     3455        0        0
CHEVRON CORP                COM                 166764100       28      500 SH       SOLE                      500        0        0
CHILDRENS PL RETAIL STORES ICOM                 168905107      327     5652 SH       SOLE                     5652        0        0
CHINA LIFE INS CO LTD       SPON ADR REP H      16939P106       34      674 SH       SOLE                      674        0        0
CHINA MOBILE HONG KONG LTD  SPONSORED ADR       16941M109      133     5032 SH       SOLE                     5032        0        0
CHINA PETROLEUM & CHEMICAL  CORP SINOPEC        16941R108       57      978 SH       SOLE                      978        0        0
CHIQUITA BRANDS INTL INC    COM                 170032809      152     9081 SH       SOLE                     9081        0        0
CHOICEPOINT INC             COM                 170388102      154     3445 SH       SOLE                     3445        0        0
CHUBB CORP                  COM                 171232101       22      240 SH       SOLE                      240        0        0
CHUNGHWA TELECOM CO LTD     SPONSORED ADR       17133Q205      132     6742 SH       SOLE                     6742        0        0
CISCO SYS INC               COM                 17275R102      353    16305 SH       SOLE                    16305        0        0
CITIGROUP INC               COM                 172967101     1019    21594 SH       SOLE                    21594        0        0
CITRIX SYS INC              COM                 177376100       37     1000 SH       SOLE                     1000        0        0
CLAIRES STORES INC          COM                 179584107      717    19750 SH       SOLE                    19750        0        0
CLP HOLDINGS LTD            SPONSORED ADR       18946Q101      276    47431 SH       SOLE                    47431        0        0
COACH INC                   COM                 189754104     1299    37585 SH       SOLE                    37585        0        0
COCA COLA HELLENIC BTTLG CO SPONSORED ADR       1912EP104      294     9477 SH       SOLE                     9477        0        0
COCA COLA CO                COM                 191216100      486    11619 SH       SOLE                    11619        0        0
COMCAST CORP NEW            CL A SPL            20030N200      288    11055 SH       SOLE                    11055        0        0
COMMERCIAL METALS CO        COM                 201723103      311     5825 SH       SOLE                     5825        0        0
AMBEV-CIA DE BEBIDAS DAS    AMERICAS            20441W203      429    10002 SH       SOLE                    10002        0        0
COMPANHIA VALE DO RIO DOCE  SPONSORED ADR       204412209      200     4137 SH       SOLE                     4137        0        0
COMPUCREDIT CORP            COM                 20478N100      205     5574 SH       SOLE                     5574        0        0
CONOCOPHILLIPS              COM                 20825C104      514     8150 SH       SOLE                     8150        0        0
CONOCOPHILLIPS              COM                 20825C104       43      688 SH       DEFINED                   688        0        0
COOPER CAMERON CORP         COM                 216640102      179     4075 SH       SOLE                     4075        0        0
CORRECTIONS CORP AMER NEW   COM NEW             22025Y407      191     4240 SH       SOLE                     4240        0        0
COSTCO WHSL CORP NEW        COM                 22160K105     1186    21920 SH       SOLE                    21920        0        0
COVENTRY HEALTH CARE INC    COM                 222862104     1354    25090 SH       SOLE                    25090        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 4                                             13229   351703                                 351703        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 5


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
DANAHER CORP DEL            COM                 235851102     1279    20135 SH       SOLE                    20135        0        0
DEAN FOODS CO NEW           COM                 242370104       19      500 SH       SOLE                        0      500        0
DEL MONTE FOODS CO          COM                 24522P103      628    53020 SH       SOLE                    53020        0        0
DELL INC                    COM                 24702R101       94     3174 SH       SOLE                     3124       50        0
DENTSPLY INTL INC NEW       COM                 249030107      505     8700 SH       SOLE                     8700        0        0
DIGITAL INSIGHT CORP        COM                 25385P106      275     7562 SH       SOLE                     7562        0        0
DISNEY WALT CO              COM DISNEY          254687106      253     9098 SH       SOLE                     9098        0        0
DR REDDYS LABS LTD          ADR                 256135203       89     2863 SH       SOLE                     2863        0        0
DOLLAR THRIFTY AUTOMOTIVE GPCOM                 256743105      177     3908 SH       SOLE                     3908        0        0
DOMINION RES INC VA NEW     COM                 25746U109       93     1350 SH       SOLE                     1350        0        0
DONALDSON INC               COM                 257651109      148     4388 SH       SOLE                     4388        0        0
DOVER CORP                  COM                 260003108      203     4185 SH       SOLE                     4185        0        0
DU PONT E I DE NEMOURS & CO COM                 263534109       73     1740 SH       SOLE                     1740        0        0
DUQUESNE LT HLDGS INC       COM                 266233105        6      375 SH       SOLE                      375        0        0
E M C CORP MASS             COM                 268648102        6      450 SH       SOLE                      450        0        0
ENSCO INTL INC              COM                 26874Q100     1360    26440 SH       SOLE                    26440        0        0
EOG RES INC                 COM                 26875P101       28      400 SH       SOLE                      400        0        0
EXCO RESOURCES INC          COM                 269279402       25     2000 SH       SOLE                     2000        0        0
EBAY INC                    COM                 278642103       23      590 SH       SOLE                      590        0        0
EDISON INTL                 COM                 281020107       41     1000 SH       SOLE                     1000        0        0
EDUCATION MGMT CORP         COM                 28139T101       72     1738 SH       SOLE                     1738        0        0
ELECTRONIC DATA SYS NEW     COM                 285661104     1408    52535 SH       SOLE                    52535        0        0
EMBRAER EMPRESA BRASILEIRA  DE AERONAUTICA EMBR 29081M102      263     7164 SH       SOLE                     7164        0        0
EMERSON ELEC CO             COM                 291011104      105     1256 SH       SOLE                     1256        0        0
ENDO PHARMACEUTICALS HLDGS ICOM                 29264F205      173     5298 SH       SOLE                     5298        0        0
ENTRAVISION COMMUNICATIONS CCL A                29382R107       87     9575 SH       SOLE                     9575        0        0
EQUITABLE RES INC           COM                 294549100      625    17150 SH       SOLE                    17150        0        0
ERICSSON L M TEL CO         ADR B SEK 10        294821608      417    11061 SH       SOLE                    11061        0        0
ERSTE BK DER OESTERREICHISCHSPONSORED ADR       296036304      340    11570 SH       SOLE                    11570        0        0
EURONET WORLDWIDE INC       COM                 298736109      239     6339 SH       SOLE                     6339        0        0
EXELON CORP                 COM                 30161N101     1194    22581 SH       SOLE                    22581        0        0
EXPRESSJET HOLDINGS INC     CL A                30218U108       76    10275 SH       SOLE                    10275        0        0
EXPRESS SCRIPTS INC         COM                 302182100     1561    17770 SH       SOLE                    17770        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 5                                             11885   326190                                 325640      550        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 6


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
EXXON MOBIL CORP            COM                 30231G102     7026   115452 SH       SOLE                   115452        0        0
EXXON MOBIL CORP            COM                 30231G102      233     3840 SH       DEFINED                  3840        0        0
FPL GROUP INC               COM                 302571104       26      650 SH       SOLE                      650        0        0
FTI CONSULTING INC          COM                 302941109      213     7496 SH       SOLE                     7496        0        0
FACTSET RESH SYS INC        COM                 303075105      102     2316 SH       SOLE                     2316        0        0
FAIR ISAAC CORP             COM                 303250104       82     2085 SH       SOLE                     2085        0        0
FASTENAL CO                 COM                 311900104     1423    30060 SH       SOLE                    30060        0        0
FEDERAL NATL MTG ASSN       COM                 313586109      377     7345 SH       SOLE                     7345        0        0
FIRST DATA CORP             COM                 319963104     1502    32101 SH       SOLE                    32101        0        0
FLOWSERVE CORP              COM                 34354P105      168     2886 SH       SOLE                     2886        0        0
FOOT LOCKER INC             COM                 344849104      394    16518 SH       SOLE                    16518        0        0
FOREST OIL CORP             COM PAR $0.01       346091705      105     2835 SH       SOLE                     2835        0        0
FORTUNE BRANDS INC          COM                 349631101     1079    13385 SH       SOLE                    13385        0        0
FORWARD AIR CORP            COM                 349853101      155     4171 SH       SOLE                     4171        0        0
FOSSIL INC                  COM                 349882100       96     5181 SH       SOLE                     5181        0        0
FRANKLIN RES INC            COM                 354613101     1138    12080 SH       SOLE                    12080        0        0
FREESCALE SEMICONDUCTOR INC CL B                35687M206       22      800 SH       SOLE                      800        0        0
FRESENIUS MEDICAL CARE AG   SPONSORED ADR       358029106      327     8217 SH       SOLE                     8217        0        0
GANNETT CO INC              COMMON              364730101      106     1775 SH       SOLE                     1775        0        0
GAP INC DEL                 COM                 364760108      186    10008 SH       SOLE                    10008        0        0
GENERAL DYNAMICS CORP       COM                 369550108      749    11720 SH       SOLE                    11720        0        0
GENERAL ELECTRIC CO         COM                 369604103     1739    50043 SH       SOLE                    50043        0        0
GENERAL ELECTRIC CO         COM                 369604103      285     8210 SH       DEFINED                  8210        0        0
GENWORTH FINL INC           COM CL A            37247D106       46     1400 SH       SOLE                     1400        0        0
GILEAD SCIENCES INC         COM                 375558103     1729    27800 SH       SOLE                    27800        0        0
GLAXOSMITHKLINE PLC         SPONSORED ADR       37733W105      258     4938 SH       SOLE                     4938        0        0
GOLD FIELDS LTD NEW         SPONSORED ADR       38059T106      105     4817 SH       SOLE                     4817        0        0
GOLDEN WEST FINL CORP DEL   COM                 381317106     1216    17915 SH       SOLE                    17915        0        0
GRAINGER W W INC            COM                 384802104      474     6300 SH       SOLE                     6300        0        0
GRANT PRIDECO INC           COM                 38821G101      113     2661 SH       SOLE                     2661        0        0
GRUPO FINANCIARO GALICIA S ASP ADR 10 SH B      399909100       39     5179 SH       SOLE                     5179        0        0
HCA INC                     COM                 404119109      421     9215 SH       SOLE                     9215        0        0
HSBC HLDGS PLC              SPON ADR NEW        404280406      225     2691 SH       SOLE                     2691        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 6                                             22159   432090                                 432090        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 7


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
HALLIBURTON CO              COM                 406216101      257     3527 SH       SOLE                     3527        0        0
HARRIS CORP DEL             COM                 413875105     1311    27740 SH       SOLE                    27740        0        0
HARTE-HANKS INC             COM                 416196103      218     8000 SH       SOLE                     8000        0        0
HARTFORD FINL SVCS GROUP INCCOM                 416515104     1127    14000 SH       SOLE                    14000        0        0
HEALTHEXTRAS INC            COM                 422211102      229     6500 SH       SOLE                     6500        0        0
HELIX ENERGY SOLUTIONS GRP ICOM                 42330P107      136     3611 SH       SOLE                     3611        0        0
HENKEL LTD PARTNERSHIP      SPON ADR PFD        42550U208      253     2171 SH       SOLE                     2171        0        0
HEWLETT PACKARD CO          COM                 428236103      529    16085 SH       SOLE                    16085        0        0
HOME DEPOT INC              COM                 437076102      247     5850 SH       SOLE                     5850        0        0
HONDA MOTOR LTD             AMERN SHS           438128308      164     5313 SH       SOLE                     5313        0        0
HONEYWELL INTL INC          COM                 438516106      189     4440 SH       SOLE                     4440        0        0
HOSPIRA INC                 COM                 441060100        2       60 SH       SOLE                       60        0        0
HYPERION SOLUTIONS CORP     COM                 44914M104       80     2484 SH       SOLE                     2484        0        0
IRSA INVERSIONES Y REP S A  GLOBL DEP RCPT      450047204       50     4224 SH       SOLE                     4224        0        0
ITT EDUCATIONAL SERVICES INCCOM                 45068B109       25      400 SH       SOLE                      400        0        0
IDEXX LABS INC              COM                 45168D104       81      949 SH       SOLE                      949        0        0
IMPERIAL CHEM INDS PLC      ADR NEW             452704505      256    10652 SH       SOLE                    10652        0        0
INFORMATICA CORP            COM                 45666Q102      168    10826 SH       SOLE                    10826        0        0
INFOSYS TECHNOLOGIES LTD    SPONSORED ADR       456788108       92     1187 SH       SOLE                     1187        0        0
INTEL CORP                  COM                 458140100      546    28093 SH       SOLE                    28093        0        0
INTERMEC INC                COM                 458786100       93     3064 SH       SOLE                     3064        0        0
INTERNATIONAL BUSINESS MACHSCOM                 459200101      362     4400 SH       SOLE                     4400        0        0
INTERPUBLIC GROUP COS INC   COM                 460690100      204    21393 SH       SOLE                    21393        0        0
INVITROGEN CORP             COM                 46185R100      237     3384 SH       SOLE                     3384        0        0
ISHARES INC                 MSCI TAIWAN         464286731      341    26793 SH       SOLE                    26793        0        0
ISHARES INC                 MSCI S KOREA        464286772      302     6487 SH       SOLE                     6487        0        0
ISHARES INC                 MSCI HONG KONG      464286871       47     3520 SH       SOLE                     3520        0        0
ISHARES TRUST MSCI EMERGING MARKETS             464287234      148     1500 SH       SOLE                     1500        0        0
ISHARES TR S&P 500          GROWTH INDEX FD     464287309       92     1512 SH       SOLE                     1512        0        0
ISHARES TR                  S&P 500 VALUE       464287408       66      965 SH       SOLE                      965        0        0
ISHARES TR                  MSCI EAFE IDX       464287465       32      495 SH       SOLE                      495        0        0
ISHARES TR                  S&P MIDCAP 400      464287507      269     3400 SH       SOLE                     3400        0        0
ISHARES TR                  COHEN&ST RLTY       464287564      146     1700 SH       SOLE                     1700        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 7                                              8299   234725                                 234725        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 8


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
ISHARES TR                  RUSSELL1000VAL      464287598      116     1595 SH       SOLE                     1595        0        0
ISHARES TR                  RUSSELL1000GRW      464287614      160     3050 SH       SOLE                     3050        0        0
ISHARES TR                  RUSSELL 1000        464287622       83     1185 SH       SOLE                     1185        0        0
ISHARES TR                  RUSL 2000 VALU      464287630      378     5069 SH       SOLE                     5069        0        0
ISHARES TR                  RUSL 2000 GROW      464287648      402     5048 SH       SOLE                     5048        0        0
ISHARES TR                  RUSSELL 2000        464287655      379     5000 SH       SOLE                     5000        0        0
ISHARES TRUST UTILITIES                         464287697      263     3480 SH       SOLE                     3480        0        0
ISHARES TR                  DJ US FINL SEC      464287788      276     2625 SH       SOLE                     2625        0        0
JPMORGAN CHASE & CO         COM                 46625H100      537    12907 SH       SOLE                    12907        0        0
JACOBS ENGR GROUP INC DEL   COM                 469814107      269     3107 SH       SOLE                     3107        0        0
JOHNSON & JOHNSON           COM                 478160104      590     9972 SH       SOLE                     9972        0        0
JUNIPER NETWORKS INC        COM                 48203R104       19     1020 SH       SOLE                     1020        0        0
KAO CORP                    SPONSORED ADR       485537302      355     1352 SH       SOLE                     1352        0        0
KENDLE INTERNATIONAL INC    COM                 48880L107      130     3860 SH       SOLE                     3860        0        0
KENNAMETAL INC              COM                 489170100      112     1841 SH       SOLE                     1841        0        0
KIMBERLY CLARK CORP         COM                 494368103       52      900 SH       SOLE                      900        0        0
KINDER MORGAN ENERGY PARTNERUT LTD PARTNER      494550106       24      500 SH       SOLE                      500        0        0
KIRIN BREWERY LTD           SPONSORED ADR       497350306      212    15717 SH       SOLE                    15717        0        0
KOMAG INC                   COM NEW             500453204      157     3310 SH       SOLE                     3310        0        0
ROYAL PHILIPS ELECTRONICS   NV                  500472303      841    25028 SH       SOLE                    25028        0        0
KOOKMIN BK NEW              SPONSORED ADR       50049M109      243     2852 SH       SOLE                     2852        0        0
KOOR INDS LTD               SPONSORED ADR       500507108       27     2663 SH       SOLE                     2663        0        0
KOREA ELECTRIC PWR          SPONSORED ADR       500631106       99     4590 SH       SOLE                     4590        0        0
KROGER CO                   COM                 501044101      240    11796 SH       SOLE                    11796        0        0
KRONOS INC                  COM                 501052104      110     2951 SH       SOLE                     2951        0        0
KUBOTA CORP (FORMERLY       KUBOTA LTD)         501173207      503     9261 SH       SOLE                     9261        0        0
LG PHILIP LCD CO LTD        SPONS ADR REP       50186V102      128     5678 SH       SOLE                     5678        0        0
LABOR READY INC             COM NEW             505401208      304    12700 SH       SOLE                    12700        0        0
LAM RESEARCH CORP           COM                 512807108       25      600 SH       SOLE                      600        0        0
LAMAR ADVERTISING CO        CL A                512815101      639    12150 SH       SOLE                    12150        0        0
LANDAMERICA FINL GROUP INC  COM                 514936103      123     1818 SH       SOLE                     1818        0        0
LANDSTAR SYS INC            COM                 515098101      140     3192 SH       SOLE                     3192        0        0
LEGGETT & PLATT INC         COM                 524660107      140     5770 SH       SOLE                     5770        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 8                                              8076   182587                                 182587        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006              PAGE 9


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
LEHMAN BROS HLDGS INC       COM                 524908100     1414     9785 SH       SOLE                     9785        0        0
LIONS GATE ENTMNT CORP      COM NEW             535919203      156    15397 SH       SOLE                    15397        0        0
LITTELFUSE INC              COM                 537008104       87     2562 SH       SOLE                     2562        0        0
LIZ CLAIBORNE INC           COM                 539320101       41     1015 SH       SOLE                     1015        0        0
LOUISIANA CENT OIL & GAS CO UT NET PROFIT       546234204       93      100 SH       SOLE                      100        0        0
LOWES COS INC               COM                 548661107      325     5055 SH       SOLE                     5055        0        0
LYON WILLIAM HOMES          COM                 552074106      118     1235 SH       SOLE                     1235        0        0
LYONDELL CHEMICAL CO        COM                 552078107       27     1400 SH       SOLE                     1400        0        0
MDU RES GROUP INC           COM                 552690109      779    23300 SH       SOLE                    23300        0        0
MGIC INVT CORP WIS          COM                 552848103      103     1549 SH       SOLE                     1549        0        0
MACROVISION CORP            COM                 555904101      231    10477 SH       SOLE                    10477        0        0
MAGYAR TELEKOM TELECOMMUN-  ICATIONS PLC ADR    559776109      209     9603 SH       SOLE                     9603        0        0
MARATHON OIL CORP           COM                 565849106      121     1600 SH       SOLE                     1600        0        0
MASCO CORP                  COM                 574599106      212     6548 SH       SOLE                     6548        0        0
MCGRAW HILL COS INC         COM                 580645109       63     1100 SH       SOLE                     1100        0        0
MCKESSON CORP               COM                 58155Q103      156     3011 SH       SOLE                     3011        0        0
MEDTRONIC INC               COM                 585055106     3257    64192 SH       SOLE                    64192        0        0
METLIFE INC                 COM                 59156R108       89     1850 SH       SOLE                     1850        0        0
METTLER TOLEDO INTERNATIONALCOM                 592688105      404     6707 SH       SOLE                     6707        0        0
MICROSOFT CORP              COM                 594918104      532    19570 SH       SOLE                    19570        0        0
MOBILE TELESYSTEMS OJSC     SPONSORED ADR       607409109       66     2017 SH       SOLE                     2017        0        0
MOLSON COORS BREWING CO     CL B                60871R209      194     2831 SH       SOLE                     2831        0        0
FEDRTD TFOF INST SHS                            60934N401    20896 20896111 PRN      SOLE                 20896111        0        0
FEDRTD TFOF INST SHS                            60934N401      149   149342 PRN      DEFINED                149342        0        0
FEDRTD TFOF SRVC SHS                            60934N880      608   608512 PRN      SOLE                   608512        0        0
MONSANTO CO NEW             COM                 61166W101       33      400 SH       SOLE                      400        0        0
MOODYS CORP                 COM                 615369105       99     1390 SH       SOLE                     1390        0        0
MORGAN STANLEY              COM NEW             617446448      851    13549 SH       SOLE                    13549        0        0
MOTOROLA INC                COM                 620076109       68     2980 SH       SOLE                     2980        0        0
NTT DOCOMO INC              SPONS ADR           62942M201      229    15567 SH       SOLE                    15567        0        0
NARA BANCORP INC            COM                 63080P105      148     8445 SH       SOLE                     8445        0        0
NATIONAL OILWELL VARCO INC  COM                 637071101     1212    18910 SH       SOLE                    18910        0        0
NATIONWIDE FINL SVCS INC    CL A                638612101       68     1600 SH       SOLE                     1600        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 9                                             33038 21907710                               21907710        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006             PAGE 10


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
NESTLE S A                  SPONSORED ADR       641069406      279     3780 SH       SOLE                     3780        0        0
NEUSTAR INC                 CL A                64126X201      262     8465 SH       SOLE                     8465        0        0
NEWS CORP                   CL A                65248E104      131     7895 SH       SOLE                     7895        0        0
NIDEC CORP                  SPONSORED ADR       654090109      470    22987 SH       SOLE                    22987        0        0
NIKE INC                    CL B                654106103      121     1425 SH       SOLE                     1425        0        0
NISOURCE INC                COM                 65473P105       19      950 SH       SOLE                      950        0        0
NOKIA CORP                  SPONSORED ADR       654902204       48     2330 SH       SOLE                     2330        0        0
NOBLE ENERGY INC            COM                 655044105       79     1800 SH       SOLE                     1800        0        0
NORDSTROM INC               COM                 655664100     1400    35750 SH       SOLE                    35750        0        0
NORTHWEST NAT GAS CO        COM                 667655104      100     2825 SH       SOLE                     2825        0        0
NOVARTIS A G                SPONSORED ADR       66987V109      395     7132 SH       SOLE                     7132        0        0
NOVELLUS SYS INC            COM                 670008101       34     1450 SH       SOLE                     1450        0        0
NOVO-NORDISK A/S (VORMALS   NOVO INDUSTRI A/S)  670100205      113     1821 SH       SOLE                     1821        0        0
OGE ENERGY CORP             COM                 670837103       58     2000 SH       SOLE                     2000        0        0
OMV AG                      SPON ADR NEW        670875509      615     9217 SH       SOLE                     9217        0        0
OCCIDENTAL PETE CORP DEL    COM                 674599105     1493    16115 SH       SOLE                    16115        0        0
OIL CO LUKOIL               SPONSORED ADR       677862104      141     1699 SH       SOLE                     1699        0        0
OMNICOM GROUP INC           COM                 681919106      214     2574 SH       SOLE                     2574        0        0
ONEOK INC NEW               COM                 682680103       19      600 SH       SOLE                      600        0        0
ORACLE CORP                 COM                 68389X105      395    28875 SH       SOLE                    28875        0        0
OVERSEAS SHIPHOLDING GROUP ICOM                 690368105       19      400 SH       SOLE                      400        0        0
P F CHANGS CHINA BISTRO INC COM                 69333Y108      149     3026 SH       SOLE                     3026        0        0
POSCO                       SPONSORED ADR       693483109       53      843 SH       SOLE                      843        0        0
PSS WORLD MED INC           COM                 69366A100      137     7150 SH       SOLE                     7150        0        0
PACCAR INC                  COM                 693718108     1038    14738 SH       SOLE                    14738        0        0
PACIFIC CAP BANCORP NEW     COM                 69404P101      113     3344 SH       SOLE                     3344        0        0
PALL CORP                   COM                 696429307      162     5210 SH       SOLE                     5210        0        0
PARKER HANNIFIN CORP        COM                 701094104      115     1437 SH       SOLE                     1437        0        0
PATTERSON COMPANIES INC     COM                 703395103      352    10000 SH       SOLE                    10000        0        0
PEPSICO INC                 COM                 713448108     1688    29225 SH       SOLE                    29225        0        0
PERKINELMER INC             COM                 714046109       32     1400 SH       SOLE                     1400        0        0
PETCO ANIMAL SUPPLIES       COM NEW             716016209      171     7262 SH       SOLE                     7262        0        0
PETROCHINA CO LTD           SPONSORED  ADR      71646E100      108     1036 SH       SOLE                     1036        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 10                                            10523   244761                                 244761        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006             PAGE 11


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
PETROLEO BRASILEIRO SA PETROSPONSORED ADR       71654V101      220     2756 SH       SOLE                     2756        0        0
PFIZER INC                  COM                 717081103      943    37888 SH       SOLE                    37888        0        0
PHOTON DYNAMICS INC         COM                 719364101       70     3768 SH       SOLE                     3768        0        0
PHOTRONICS INC              COM                 719405102      110     5915 SH       SOLE                     5915        0        0
PRAXAIR INC                 COM                 74005P104       24      450 SH       SOLE                      450        0        0
PROCTER & GAMBLE CO         COM                 742718109      188     3270 SH       SOLE                     3270        0        0
PRUDENTIAL FINL INC         COM                 744320102     1138    15020 SH       SOLE                    15020        0        0
PUBLIC STORAGE INC          PFD R DP1/1000      74460D687       50     2000 SH       SOLE                     2000        0        0
QUALCOMM INC                COM                 747525103      141     2800 SH       SOLE                     2800        0        0
QUEST DIAGNOSTICS INC       COM                 74834L100      864    16850 SH       SOLE                    16850        0        0
RSA SEC INC                 COM                 749719100       91     5100 SH       SOLE                     5100        0        0
RAYTHEON CO                 COM NEW             755111507       49     1075 SH       SOLE                     1075        0        0
REGAL BELOIT CORP           COM                 758750103       82     1947 SH       SOLE                     1947        0        0
REPUBLIC BANCORP INC        COM                 760282103      139    11589 SH       SOLE                    11589        0        0
REPUBLIC SVCS INC           COM                 760759100      767    18050 SH       SOLE                    18050        0        0
RIO TINTO PLC               SPONSORED ADR       767204100      227     1098 SH       SOLE                     1098        0        0
ROCHE HLDG LTD              SPONSORED ADR       771195104      388     5234 SH       SOLE                     5234        0        0
ROCKWELL AUTOMATION INC.    COM                 773903109      603     8400 SH       SOLE                     8400        0        0
ROCKWELL COLLINS INC        COM                 774341101       29      530 SH       SOLE                      530        0        0
ROHM & HAAS CO              COM                 775371107     1019    20870 SH       SOLE                    20870        0        0
RUBY TUESDAY INC            COM                 781182100       94     2939 SH       SOLE                     2939        0        0
RYANAIR HLDGS PLC           SPONSORED ADR       783513104      243     4448 SH       SOLE                     4448        0        0
SK TELECOM LTD              SPONSORED ADR       78440P108      208     8829 SH       SOLE                     8829        0        0
SPDR TR                     UNIT SER 1          78462F103       32      250 SH       SOLE                      250        0        0
SAFEWAY INC                 COM NEW             786514208      106     4237 SH       SOLE                     4237        0        0
SANDISK CORP                COM                 80004C101     1078    18750 SH       SOLE                    18750        0        0
SANDVIK AB                  ADR                 800212201      381     6463 SH       SOLE                     6463        0        0
SANOFI AVENTIS              SPONSORED ADR       80105N105      839    17697 SH       SOLE                    17697        0        0
SASOL LTD                   SPONSORED ADR       803866300      137     3635 SH       SOLE                     3635        0        0
SATYAM COMPUTER SERVICES LTDADR                 804098101       71     1639 SH       SOLE                     1639        0        0
SCHEIN HENRY INC            COM                 806407102      194     4066 SH       SOLE                     4066        0        0
SCHLUMBERGER LTD            COM                 806857108      197     1560 SH       SOLE                     1560        0        0
SEARS HLDGS CORP            COM                 812350106      158     1200 SH       SOLE                     1200        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 11                                            10880   240323                                 240323        0        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006             PAGE 12


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
SHIRE PLC                   SPONSORED ADR       82481R106      376     8089 SH       SOLE                     8089        0        0
AIM STIC LAP INST                               825251820    16938 16938585 PRN      SOLE                 16914292    24293        0
AIM STIC LAP INST                               825251820       29    29067 PRN      DEFINED                 29067        0        0
AIM TREAS PRIV                                  825252109      941   941186 PRN      SOLE                   941186        0        0
AIM TREAS INS                                   825252406       63    63861 PRN      SOLE                    63861        0        0
AIM STIT GVT&AGY PRV                            825252877     1522  1522899 PRN      SOLE                  1522899        0        0
SHUFFLE MASTER INC          COM                 825549108      464    12993 SH       SOLE                    12993        0        0
SIEMENS A G                 SPONSORED ADR       826197501      291     3131 SH       SOLE                     3131        0        0
SILICONWARE PRECISION INDS LSPONSD ADR SPL      827084864       60     9324 SH       SOLE                     9324        0        0
SMITH & NEPHEW PLC          SPDN ADR NEW        83175M205      206     4634 SH       SOLE                     4634        0        0
SOCIEDAD QUIMICA Y MINERA   DE CHILE SA         833635105      187     1649 SH       SOLE                     1649        0        0
SOLVAY S A                  SPONSORED ADR       834437105      205     1781 SH       SOLE                     1781        0        0
SONIC AUTOMOTIVE INC        CL A                83545G102      234     8460 SH       SOLE                     8460        0        0
SOUTHERN CO                 COM                 842587107       77     2380 SH       SOLE                     2380        0        0
SOUTHWEST AIRLS CO          COM                 844741108      122     6800 SH       SOLE                     6800        0        0
SPRINT NEXTEL CORP          COM FON             852061100       36     1400 SH       SOLE                     1400        0        0
STATE STR CORP              COM                 857477103      676    11200 SH       SOLE                    11200        0        0
STERICYCLE INC              COM                 858912108      162     2398 SH       SOLE                     2398        0        0
STRAYER ED INC              COM                 863236105      228     2239 SH       SOLE                     2239        0        0
SUNOPTA INC                 COM                 8676EP108      108    12651 SH       SOLE                    12651        0        0
SUNRISE SENIOR LIVING INC.  COM                 86768K106       85     2200 SH       SOLE                     2200        0        0
SURGUTNEFTEGAZ JSC          SPONSORED ADR       868861204      143     1909 SH       SOLE                     1909        0        0
SYKES ENTERPRISES INC       COM                 871237103      209    14790 SH       SOLE                    14790        0        0
SYMANTEC CORP               COM                 871503108       33     2000 SH       SOLE                     2000        0        0
SYMANTEC CORP               COM                 871503108        3      200 SH       DEFINED                   200        0        0
TAIWAN GREATER CHINA FD     SH BEN INT          874037104       89    15784 SH       SOLE                    15784        0        0
TAIWAN SEMICONDUCTOR MFG LTDSPONSORED ADR       874039100      463    46097 SH       SOLE                    46097        0        0
TARGET CORP                 COM                 87612E106      328     6314 SH       SOLE                     6314        0        0
TELE NORTE LESTE            PARTICIPACOES SA ADR879246106       60     3617 SH       SOLE                     3617        0        0
TELEFONICA S A              SPONSORED ADR       879382208      226     4812 SH       SOLE                     4812        0        0
TERRA INDS INC              COM                 880915103      180    25545 SH       SOLE                    25545        0        0
TESCO PLC                   SPONSORED ADR       881575302      307    17925 SH       SOLE                    17925        0        0
TESORO CORP                 COM                 881609101       70     1026 SH       SOLE                     1026        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 12                                            25121 19726946                               19702653   242930        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006             PAGE 13


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
TETRA TECHNOLOGIES INC DEL  COM                 88162F105      108     2300 SH       SOLE                     2300        0        0
TEVA PHARMACEUTICAL INDS LTDADR                 881624209      532    12932 SH       SOLE                    12932        0        0
TEXAS INSTRS INC            COM                 882508104     1348    41539 SH       SOLE                    41539        0        0
THAI FD INC                 COM                 882904105      142    13528 SH       SOLE                    13528        0        0
TEXTRON INC                 COM                 883203101      142     1530 SH       SOLE                     1530        0        0
3M COMPANY                  COM                 88579Y101       37      500 SH       SOLE                      500        0        0
TORONTO DOMINION BK ONT     COM NEW             891160509      232     4172 SH       SOLE                     4172        0        0
TOYOTA MOTOR CORP           SP ADR REP2COM      892331307      905     8312 SH       SOLE                     8312        0        0
TRACTOR SUPPLY CO           COM                 892356106       83     1266 SH       SOLE                     1266        0        0
TREEHOUSE FOODS INC         COM                 89469A104       61     2300 SH       SOLE                     2200      100        0
TURKCELL ILETISIM HIZMETLERISPON ADR NEW        900111204       89     5388 SH       SOLE                     5388        0        0
TYCO INTL LTD NEW           COM                 902124106     1160    43187 SH       SOLE                    43187        0        0
US BANCORP DEL              COM NEW             902973304      719    23600 SH       SOLE                    23600        0        0
U S G CORP                  COM NEW             903293405      140     1475 SH       SOLE                     1475        0        0
U S CONCRETE INC            COM                 90333L102      140     9750 SH       SOLE                     9750        0        0
UNILEVER N V                N Y SHS NEW         904784709      136     1976 SH       SOLE                     1976        0        0
UNITED BANKSHARES INC WEST VCOM                 909907107      266     6959 SH       SOLE                     6959        0        0
UNITED MICROELECTRONICS CORPSPONSORED ADR       910873207      112    32954 SH       SOLE                    32954        0        0
UNITED TECHNOLOGIES CORP    COM                 913017109     1422    24540 SH       SOLE                    24540        0        0
UNITEDHEALTH GROUP INC      COM                 91324P102     1651    29568 SH       SOLE                    29568        0        0
VALERO ENERGY CORP NEW      COM                 91913Y100      633    10600 SH       SOLE                    10600        0        0
VALUECLICK INC              COM                 92046N102      225    13324 SH       SOLE                    13324        0        0
VARIAN MED SYS INC          COM                 92220P105      336     6000 SH       SOLE                     6000        0        0
VARIAN INC                  COM                 922206107       69     1680 SH       SOLE                     1680        0        0
VERIZON COMMUNICATIONS      COM                 92343V104        5      150 SH       SOLE                      150        0        0
VIACOM INC NEW              CL B                92553P201      651    16800 SH       SOLE                    16800        0        0
VODAFONE GROUP PLC NEW      SPONSORED ADR       92857W100      343    16447 SH       SOLE                    16447        0        0
WACHOVIA CORP 2ND NEW       COM                 929903102      103     1850 SH       SOLE                     1850        0        0
WAL MART STORES INC         COM                 931142103      241     5120 SH       SOLE                     5120        0        0
WALGREEN CO                 COM                 931422109      245     5700 SH       SOLE                     5700        0        0
WASHINGTON MUT INC          COM                 939322103      259     6100 SH       SOLE                     6100        0        0
WASTE CONNECTIONS INC       COM                 941053100      573    14400 SH       SOLE                    14400        0        0
WASTE MGMT INC DEL          COM                 94106L109      319     9052 SH       SOLE                     9052        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 13                                            13427   374999                                 374899      100        0




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 03/31/2006             PAGE 14


                           FORM 13F INFORMATION TABLE


                                                           VALUE   SHARES/  SH/ PUT/ INVSTMT    OTHER          VOTING AUTHORITY
        NAME OF ISSUER         TITLE OF CLASS     CUSIP   (X$1000) PRN AMT  PRN CALL DSCRETN   MANAGERS     SOLE    SHARED    NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
                                                                                           
WATERS CORP                 COM                 941848103      182     4236 SH       SOLE                     4236        0        0
WEBSENSE INC                COM                 947684106      167     6074 SH       SOLE                     6074        0        0
WEBSTER FINL CORP CONN      COM                 947890109      112     2320 SH       SOLE                     2320        0        0
WELLPOINT INC               COM                 94973V107       15      200 SH       SOLE                      200        0        0
WELLS FARGO & CO NEW        COM                 949746101      204     3210 SH       SOLE                     3210        0        0
WESTERN DIGITAL CORP        COM                 958102105       30     1550 SH       SOLE                     1550        0        0
WESTERN GAS RES INC         COM                 958259103      116     2408 SH       SOLE                     2408        0        0
WILLIAMS CLAYTON ENERGY INC COM                 969490101      202     4950 SH       SOLE                     4950        0        0
WINNEBAGO INDS INC          COM                 974637100       82     2707 SH       SOLE                     2707        0        0
WINTRUST FINANCIAL CORP     COM                 97650W108      304     5229 SH       SOLE                     5229        0        0
WOLVERINE WORLD WIDE INC    COM                 978097103      143     6465 SH       SOLE                     6465        0        0
WYETH                       COM                 983024100      583    12028 SH       SOLE                    12028        0        0
XCEL ENERGY INC             COM                 98389B100       46     2550 SH       SOLE                     2550        0        0
ZEBRA TECHNOLOGIES CORP     CL A                989207105      192     4305 SH       SOLE                     4305        0        0
                                                          -------- --------                               -------- -------- --------
TOTAL FOR PAGE 14                                             2378    58232                                  58232        0        0
GRAND TOTALS                                                195555 46744529                               46719586    24943        0