UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F
                               Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: 3/31/2013
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:      Brevan Howard Asset Management LLP

Address:   55 Baker Street
           London W1U 8EW
           United Kingdom


Form 13F File Number: 028-12590


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 submission.

Persons Signing this Report on Behalf of Reporting Manager:

Name:   Ryan Taylor
Title:  Authorized Signatory
Phone:  0207 0222 6200

Signature,  Place,  and  Date  of  Signing:

/s/ Ryan Taylor                    London, United Kingdom             5/15/2013
---------------------------------  ---------------------------------  ----------
[Signature]                        [City, State]                      [Date]



Report  Type  (Check  only  one):

[X]     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).)

[ ]     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:




                              Form 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                    0

Form 13F Information Table Entry Total:               2

Form 13F Information Table Value Total:  $       13,126
                                         --------------
                                         (In Thousands)


List of Other Included Managers:

Provide a numbered list of the name(s) and 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
NONE







                                                  FORM 13F INFORMATION TABLE

        COLUMN 1            COLUMN 2    COLUMN 3  COLUMN 4     COLUMN 5       COLUMN 6  COLUMN 7      COLUMN 8
------------------------ -------------- --------- -------- ----------------- ---------- -------- -------------------
                                                   VALUE   SHRS OR  SH/ PUT/ INVESTMENT  OTHER    VOTING AUTHORITY
     NAME OF ISSUER      TITLE OF CLASS   CUSIP   (x$1000) PRN AMT  PRN CALL DISCRETION MANAGERS  SOLE   SHARED NONE
------------------------ -------------- --------- -------- -------- --- ---- ---------- -------- ------- ------ ----
                                                                               
ISHARES TR               RUSSELL 2000   464287655    6,091   64,500 SH       SOLE                 64,500      0    0
ISHARES TR               MSCI JAPAN     464286848    7,035  651,405 SH       SOLE                651,405      0    0