UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. 6)*
(Final Amendment)

Alamosa Holdings, Inc.

Common Stock, $0.01 par value
(Title of Class of Securities)

011589 10 8
(CUSIP Number)

C. Jedson Nau
100 Crescent Court,
Suite 1700
Dallas, Texas 75201
(214) 756-6100
(214) 756-6212 (fax)
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 28, 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 which is the subject of this Schedule 13D, and is filing this schedule because of Section 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ¨

Note: Schedules filed in paper format shall include a signed original and five copies of the Schedule, including all exhibits. See Section 240.13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

     This Amendment No. 6 to Schedule 13D (the “Schedule 13D”) filed by (i) Caroline Hunt Trust Estate (“CHTE”), (ii) The Rosewood Corporation (“Rosewood”), (iii) Rosewood Financial, Inc. (“Financial”), (iv) Fortress Venture Capital II, L.P. (“Fortress”), and (v) Rosewood Management Corporation (“Management” and together with CHTE, Rosewood, Financial, and Fortress, the “Reporting Persons”) relates to the common stock, par value $0.01 (the “Shares”) of Alamosa Holdings, Inc., a Delaware corporation (“Alamosa”), and is being filed to amend and supplement Items 3, 4, 5 and 6.

     Unless otherwise indicated, each capitalized term used, but not otherwise defined, herein, shall have the meaning assigned to such term in the Schedule 13D. The information set forth in the Exhibits and Attachments is hereby expressly incorporated by reference and the responses to each item of this Amendment No. 6 are qualified in their entirety by the provisions of such Exhibits and Attachments.

Item 3. Source and Amount of Funds or Other Consideration

     Item 3 is hereby amended and supplemented as follows:

     Since the filing of the last amendment to this Schedule 13D, CHTE has sold 1,457,000 Shares pursuant to the CHTE Trading Plan dated December 10, 2003, as amended in March 2004. CHTE has made sales as set forth in Item 5 below within the 60 days preceding the filing of this Amendment No. 6 as part of the sales. Since the filing of the last amendment to this Schedule 13D, Fortress has sold 104,000 Shares pursuant to the Fortress Trading Plan dated December 12, 2003, as amended in March 2004. Fortress has made sales as set forth in Item 5 below within the 60 days preceding the filing of this Amendment No. 5 as part of the sales.

Item 4. Purpose of the Transaction

     Item 4 is hereby amended and supplemented as follows:

     As previously disclosed, CHTE and Fortress have authorized and made sales pursuant to Rule 10B5-1 Sales Plans, and all sales reported in this filing have been made pursuant to such plans.

     On December 10, 2003, CHTE entered into a Rule 10b5-1 Sales Plan for Alamosa Holdings, Inc. (the “2003 CHTE Trading Plan”) with Citigroup Global Markets, Inc. (“Citigroup”) and amended such plan in March 2004. The 2003 CHTE Trading Plan is intended to comply with the requirements of Rule 10b5-1(c) and permits sales to be made through Citigroup beginning January 1, 2004 in accordance with the terms of Rule 145 under the Securities Act of 1933 and the terms of the 2003 CHTE Trading Plan. The 2003 CHTE Trading Plan provides for sales of a portion of the Shares held by CHTE at specified prices. CHTE has adopted the 2003 CHTE Trading Plan for diversification and liquidity purposes. Within the requirements of Rule 10b5-1(c), CHTE may modify the 2003 CHTE Trading Plan from time to time or terminate the 2003 CHTE Trading Plan in accordance with its terms.

     On December 12, 2003, Fortress entered into a Rule 10b5-1 Sales Plan for Alamosa Holdings, Inc. (the “2003 Fortress Trading Plan”) with Citigroup and amended such plan in

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March 2004. The 2003 Fortress Trading Plan is intended to comply with the requirements of Rule 10b5-1(c) and permits sales to be made through Citigroup beginning January 1, 2004 in accordance with the terms of Rule 145 under the Securities Act of 1933 and the terms of the 2003 Fortress Trading Plan. The 2003 Fortress Trading Plan provides for sales of a portion of the Shares held by Fortress at specified prices. Fortress has adopted the 2003 Fortress Trading Plan for diversification and liquidity purposes. Within the requirements of Rule 10b5-1(c), Fortress may modify the 2003 Fortress Trading Plan from time to time or terminate the 2003 Fortress Trading Plan in accordance with its terms.

     As the Reporting Persons now have direct or indirect ownership of less than five percent (5%) of the Shares, this Amendment No. 6 to Schedule 13D will be the last amendment to such Schedule filed by the Reporting Persons.

Item 5. Interest in Securities of the Issuer

     Item 5 is hereby amended and supplemented as follows:

     The responses of the Reporting Persons to Items 7, 8, 9, 10, 11 and 13 on the cover pages of this statement and Attachment A relating to beneficial ownership as well as voting and dispositive power are incorporated herein by reference. The Reporting Persons indicating group status beneficially own 5,305,366 shares or 4.6% of the outstanding Shares of Alamosa in the aggregate. The Reporting Persons indicating group status or shared voting power herein have done so by reason of their parent/subsidiary relationships only, and have no agreement, arrangement or understanding with regard to the Shares. CHTE, Rosewood and Financial disclaim beneficial ownership of any shares held by Management or Fortress, and Management and Fortress disclaim beneficial ownership of any Shares held by CHTE, Rosewood or Financial.

     Except as set forth below and in Attachment A hereto, no Reporting Person nor, to their knowledge, any person identified on Attachment A, has effected any transactions in Shares during the preceding 60 days.

     The sales set forth below were made by CHTE in open market transactions pursuant to the 2003 CHTE Trading Plan.

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     The sales set forth below were made by Fortress in open market transactions pursuant to the 2003 Fortress Trading Plan.

     As the Reporting Persons now have direct or indirect ownership of less than five percent (5%) of the Shares, this Amendment No. 6 to Schedule 13D will be the last amendment to such Schedule filed by the Reporting Persons.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

     Item 6 is hereby amended and supplemented as follows:

     Other than as disclosed above or pursuant to Attachment A hereto, no Reporting Person nor, to their knowledge, any of the persons listed on Attachment A, is a party to any other contract, arrangement, understanding or relationship, legal or otherwise, with respect to any securities of Alamosa.

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SIGNATURE

     After reasonable inquiry and to the best of the undersigned’s knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: January 6, 2005

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Attachment A

The Trustee and Advisory Board Members of
Caroline Hunt Trust Estate (“CHTE”) and the Directors and
Executive Officers of Certain CHTE Subsidiaries

Attachment A

Attachment A

*Designates a person who has adopted a disposition plan pursuant to Rule 10b5-1(c).

Attachment A