UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

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                                    FORM 8-K

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                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                Date of Report (Date of earliest event reported):
                                  March 7, 2007

                         ANNALY CAPITAL MANAGEMENT, INC.
             (Exact name of registrant as specified in its charter)

          Maryland                     1-13447                    22-3479661
 (State or Other Jurisdiction        (Commission               (IRS Employer
      of Incorporation)              File Number)           Identification No.)

      1211 Avenue of the Americas
               Suite 2902
            New York, New York                                  10036
  (Address of principal executive offices)                   (Zip Code)

Registrant's telephone number, including area code: (212) 696-0100

                                    No Change
          (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[_]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[_]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[_]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[_]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))



Item 1.01. Entry into a Material Definitive Agreement

     Public Offering of Common Stock

     On March 7, 2007, Annaly Capital Management, Inc. (the "Company") entered
into an underwriting agreement with Merrill Lynch, Pierce, Fenner & Smith
Incorporated, Citigroup Global Markets Inc., and UBS Securities LLC as
representatives of the several underwriters (collectively, the "Common Stock
Underwriters"), relating to the sale of 50,000,000 shares of Common Stock, par
value $0.01 per share (the "Common Stock"), and the granting of an
over-allotment option for an additional 7,500,000 shares of Common Stock to the
Common Stock Underwriters solely to fulfill over-allotments. The Common Stock
offering is expected to close on March 13, 2007.

     The aggregate net proceeds of the Common Stock offering, excluding the
proceeds the Company may obtain from the exercise of the over-allotment option,
to the Company (after deducting estimated expenses) are estimated to be
approximately $641.0 million.

Item 9.01. Financial Statements and Exhibits.

     (a)  Not applicable.

     (b)  Not applicable.

     (c)  Not applicable.

     (d)  Exhibits:

               1.1  Underwriting Agreement, dated March 7, 2007, between the
                    Company and Merrill Lynch, Pierce, Fenner & Smith
                    Incorporated, Citigroup Global Markets Inc., and UBS
                    Securities LLC as representatives of the several
                    underwriters.



                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                        Annaly Capital Management, Inc.


                                        By: /s/ Kathryn Fagan
                                            ------------------------------------
                                            Name: Kathryn Fagan
                                            Title: Chief Financial Officer

Date: March 7, 2007