Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MACDONALD JOHN R
  2. Issuer Name and Ticker or Trading Symbol
MF Global Holdings Ltd. [MF]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Global Head of Retail
(Last)
(First)
(Middle)
C/O MF GLOBAL HOLDINGS LTD., 717 FIFTH AVENUE, 9TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
05/27/2011
(Street)

NEW YORK, NY 10022
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $1.00 per share 05/27/2011   M   94,937 A $ 0 (1) 502,023 D  
Common Stock, par value $1.00 per share 05/27/2011   F(2)   43,879 D $ 7.62 458,144 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (3) (3) 05/27/2011   M     94,937   (3)   (3) Common Stock 94,937 $ 0 189,873 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MACDONALD JOHN R
C/O MF GLOBAL HOLDINGS LTD.
717 FIFTH AVENUE, 9TH FLOOR
NEW YORK, NY 10022
      Global Head of Retail  

Signatures

 /s/ James Ho, by power of attorney   06/01/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The shares of common stock, par value $1.00 per share ("Common Stock"), were acquired upon vesting of restricted stock units granted on May 27, 2010.
(2) Payment of tax liability by withholding Common Stock incident to the vesting of restricted share units in accordance with Rule 16b-3.
(3) Each restricted stock unit represents a contingent right to receive one share of Common Stock of MF Global Holdings Ltd. (the "Company"). The restricted stock units are subject to the terms and conditions of the Company's Amended and Restated 2007 Long Term Incentive Plan, as amended. These restricted stock units were granted on May 27, 2010. Approximately one-third of the restricted stock units vested on May 27, 2011, and one-half of the balance will vest on each of the second and third anniversaries of the grant date (becoming fully vested on the third anniversary of the grant date). Common Stock will be delivered upon vesting, except in certain limited circumstances described in the award agreement.

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