Securities and Exchange Commission Washington, D.C. 20549 Schedule 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* AmNet Mortgage, Inc. (Name of Issuer) Common (Title of Class of Securities) 02926T103 (CUSIP Number) David Nierenberg The D3 Family Funds 19605 NE 8th Street Camas, WA 98607 360-604-8600 Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications July 10, 2004 Date of Event Which Requires Filing of This Statement If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON The D3 Family Fund, L.P. (David Nierenberg is president of the General Partner, which is Nierenberg Investment Management Company.) -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Washington -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 924,002 common shares (12.6%) ----------------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY ----------------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 924,002 WITH ----------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,371,200 shares (18.6%) -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 18.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON The D3 Family Retirement Fund, L.P. (David Nierenberg is president of the General Partner, which is Nierenberg Investment Management Company.) -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Washington -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 286,986 common shares (3.9%) ----------------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY ----------------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 286,986 WITH ----------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,371,200 shares (18.6%) -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 18.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON The D3 Children's Fund, L.P. (David Nierenberg is president of the General Partner, which is Nierenberg Investment Management Company.) -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Washington -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 65,800 common shares (0.9%) ----------------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY ----------------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 65,800 WITH ----------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,371,200 shares (18.6%) -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 18.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON The D3 Offshore Fund, L.P. (David Nierenberg is president of the General Partner, which is Nierenberg Investment Management Company.) -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Washington -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 63,912 common shares (0.9%) ----------------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY ----------------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 63,912 WITH ----------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,371,200 shares (18.6%) -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 18.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON The D3 Family Bulldog Fund, L.P. (David Nierenberg is president of the General Partner, which is Nierenberg Investment Management Company.) -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Washington -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 30,500 common shares (0.4 %) ----------------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY ----------------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 30,500 WITH ----------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,371,200 shares (18.6%) -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 18.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Items Item 1. Security and Issuer. Common Stock of AmNet Mortgage, Inc. 10421 Wateridge Circle, Suite 250, San Diego, CA 92121 Item 2. Identity and Background. The D3 Family Fund, L.P. is a Washington State limited partnership, whose principal business is investing in the equities of public micro-cap issuers. Located at 19605 N.E. 8th St., Camas, Washington 98607. No convictions or administrative proceedings as described in 2 (d) and (e). Item 3. Source and Amount of Funds or Other Consideration. Source of funds is money invested in the partnership by its partners. Item 4. Purpose of Transaction. By virtue or our recent open market purchases of 30,500 shares of INV for one of our Limited Partnerships and the company's repurchase of 500,000 shares, our ownership stake has increased. We are, therefore, filing this notice of shareholdings. Item 5. Interest in Securities of the Issuer. (a,b) D3 Family Fund owns and has sole voting power over 924,002 INV shares. (c) N/A (d) N/A (e) N/A Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. N/A Item 7. Material to be Filed as Exhibits. N/A Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. July 10, 2004 /s/ DAVID NIERENBERG ------------- ----------------------------------------------- Date David Nierenberg President Nierenberg Investment Management Company, Inc., the General Partner of The D3 Family Fund, L.P. Items Item 1. Security and Issuer. Common Stock of AmNet Mortgage, Inc. 10421 Wateridge Circle, Suite 250, San Diego, CA 92121 Item 2. Identity and Background. The D3 Family Retirement Fund, L.P. is a Washington State limited partnership, whose principal Business is investing in the equities of public micro-cap issuers. Located at 19605 N.E. 8th St., Camas, Washington 98607. No convictions or administrative proceedings as described in 2 (d) and (e). Item 3. Source and Amount of Funds or Other Consideration. Source of funds is money invested in the partnership by its partners. Item 4. Purpose of Transaction. By virtue or our recent open market purchases of 30,500 shares of INV for one of our Limited Partnerships and the company's repurchase of 500,000 shares, our ownership stake has increased. We are, therefore, filing this notice of shareholdings. Item 5. Interest in Securities of the Issuer. (a,b) The D3 Family Retirement Fund, L.P. owns and has sole voting power over 286,986 INV shares. (c) N/A (d) N/A (e) N/A Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. N/A Item 7. Material to be Filed as Exhibits. N/A Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. July 10, 2004 /s/ DAVID NIERENBERG ------------- ------------------------------------------------------ Date David Nierenberg President Nierenberg Investment Management Company, Inc., the General Partner of The D3 Family Retirement Fund, L.P. Items Item 1. Security and Issuer. Common Stock of AmNet Mortgage, Inc. 10421 Wateridge Circle, Suite 250, San Diego, CA 92121 Item 2. Identity and Background. The D3 Children's Fund, L.P. is a Washington State limited partnership, whose principal business is investing in the equities of public micro-cap issuers. Located at 19605 N.E. 8th St., Camas, Washington 98607. No convictions or administrative proceedings as described in 2 (d) and (e). Item 3. Source and Amount of Funds or Other Consideration. Source of funds is money invested in the partnership by its partners. Item 4. Purpose of Transaction. By virtue or our recent open market purchases of 30,500 shares of INV for one of our Limited Partnerships and the company's repurchase of 500,000 shares, our ownership stake has increased. We are, therefore, filing this notice of shareholdings. Item 5. Interest in Securities of the Issuer. (a,b) D3 Children's Fund, L.P. owns and has sole voting power over 65,800 INV shares. (c) N/A (d) N/A (e) N/A Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. N/A Item 7. Material to be Filed as Exhibits. N/A Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. July 10, 2004 /s/ DAVID NIERENBERG ------------- --------------------------------------------------- Date David Nierenberg President Nierenberg Investment Management Company, Inc., the General Partner of The D3 Children's Fund, L.P. Items Item 1. Security and Issuer. Common Stock of AmNet Mortgage, Inc. 10421 Wateridge Circle, Suite 250, San Diego, CA 92121 Item 2. Identity and Background. The D3 Offshore Fund, L.P. is a Washington State limited partnership, whose principal business is investing in the equities of public micro-cap issuers. Located at 19605 N.E. 8th St., Camas, Washington 98607. No convictions or administrative proceedings as described in 2 (d) and (e). Item 3. Source and Amount of Funds or Other Consideration. Source of funds is money invested in the partnership by its partners. Item 4. Purpose of Transaction. By virtue or our recent open market purchases of 30,500 shares of INV for one of our Limited Partnerships and the company's repurchase of 500,000 shares, our ownership stake has increased. We are, therefore, filing this notice of shareholdings. Item 5. Interest in Securities of the Issuer. (a,b) D3 Offshore Fund, L.P. owns and has sole voting power over 63,912 INV shares. (c) N/A (d) N/A (e) N/A Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. N/A Item 7. Material to be Filed as Exhibits. N/A Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. July 10, 2004 /s/ DAVID NIERENBERG ------------- --------------------------------------------------- Date David Nierenberg President Nierenberg Investment Management Company, Inc., the General Partner of The D3 Offshore Fund, L.P. Items Item 1. Security and Issuer. Common Stock of AmNet Mortgage, Inc. 10421 Wateridge Circle, Suite 250, San Diego, CA 92121 Item 2. Identity and Background. The D3 Family Bulldog Fund, L.P. is a Washington State limited partnership, whose principal business is investing in the equities of public micro-cap issuers. Located at 19605 N.E. 8th St., Camas, Washington 98607. No convictions or administrative proceedings as described in 2 (d) and (e). Item 3. Source and Amount of Funds or Other Consideration. Source of funds is money invested in the partnership by its partners. Item 4. Purpose of Transaction. By virtue or our recent open market purchases of 30,500 shares of INV for one of our Limited Partnerships and the company's repurchase of 500,000 shares, our ownership stake has increased. We are, therefore, filing this notice of shareholdings. Item 5. Interest in Securities of the Issuer. (a,b) D3 Family Bulldog Fund, L.P. owns and has sole voting power over 30,500 INV shares. (c) Date Shares Bought Price ---- ------------- ----- 5/17/04 2,000 $ 7.65 5/19/04 500 8.27 5/24/04 8,800 8.79 5/25/04 100 9.03 5/26/04 7,000 8.90 6/02/04 6,000 9.29 6/03/04 3,800 9.30 6/04/04 2,300 9.29 (d) N/A (e) N/A Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. N/A Item 7. Material to be Filed as Exhibits. N/A Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. July 10, 2004 /s/ DAVID NIERENBERG ------------- --------------------------------------------------- Date David Nierenberg President Nierenberg Investment Management Company, Inc., the General Partner of The D3 Family Bulldog Fund, L.P.