Edgar Filing: BLACKSTONE MANAGEMENT ASSOCIATES IV LLC

Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF 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 ^*

Â BLACKSTONE CAPITAL PARTNERS V L P

2. Date of Event Requiring Statement (Month/Day/Year)
01/27/2011

3. Issuer Name and Ticker or Trading Symbol
BankUnited, Inc. [BKU]

(Last)

(First)

(Middle)

C/O THE BLACKSTONE GROUP,Â 345 PARK AVENUE

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

NEW YORK,Â NYÂ 10154

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	15,545,269	I	See footnote ⁽¹⁾ ⁽⁵⁾ ⁽⁶⁾
Common Stock	4,860,977	I	See footnote ⁽²⁾ ⁽⁵⁾ ⁽⁶⁾
Common Stock	27,160	I	See footnote ⁽³⁾ ⁽⁵⁾ ⁽⁶⁾
Common Stock	15,783	I	See footnote ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
BLACKSTONE CAPITAL PARTNERS V L P C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK,Â NYÂ 10154	Â	Â X	Â	Â
Blackstone Capital Partners V-AC L.P. C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK,Â NYÂ 10154	Â	Â X	Â	Â
BLACKSTONE MANAGEMENT ASSOCIATES IV LLC C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK,Â NYÂ 10154	Â	Â X	Â	Â
BMA V L.L.C. C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK,Â NYÂ 10154	Â	Â X	Â	Â

Signatures

Blackstone Capital Partners V L.P. By: /s/ Robert L. Friedman Title: Authorized Person		01/27/2011
^**Signature of Reporting Person		Date
Blackstone Capital Partners V-AC L.P. By: /s/ Robert L. Friedman Title: Authorized Person		01/27/2011
^**Signature of Reporting Person		Date
Blackstone Management Associates V L.L.C. By: /s/ Robert L. Friedman Title: Authorized Person		01/27/2011
^**Signature of Reporting Person		Date
BMA V L.L.C. By: /s/ Robert L. Friedman Title: Authorized Person		01/27/2011
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	These securities are held by Blackstone Capital Partners V L.P. ("BCP V").
(2)	These securities are held by Blackstone Capital Partners V-AC L.P. ("BCP V-AC").
(3)	These securities are held by Blackstone Family Investment Partnership V L.P. ("Family").
(4)	These securities are held by Blackstone Participation Partnership V L.P. ("Participation").
(5)	The general partner of BCP V and BCP V-AC is Blackstone Management Associates V L.L.C. BMA V L.L.C. is the sole member of Blackstone Management Associates V L.L.C. The general partner of Family and Participation is BCP V Side-By-Side GP L.L.C. Blackstone Holdings III L.P. is the managing member and the owner of a majority in interest of BMA V L.L.C. and the sole member of BCP V Side-By-Side GP L.L.C. Blackstone Holdings III L.P. is indirectly controlled by The Blackstone Group L.P. The Blackstone Group L.P. is controlled by its general partner, Blackstone Group Management L.L.C., which is in turn controlled by its founder, Stephen A. Schwarzman.
(6)	Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.
Â Remarks: BecauseÂ noÂ moreÂ thanÂ 10Â reportingÂ personsÂ canÂ fileÂ anyÂ oneÂ FormÂ 3Â throughÂ theÂ SecuritiesÂ andÂ ExchangeÂ Commission'sÂ EDGARÂ system,Â BlackstoneÂ FamilyÂ InvestmentÂ PartnershipÂ V,Â L.P.,Â BlackstoneÂ ParticipationÂ PartnershipÂ V,Â L.P.,Â BCPÂ VÂ Side-by-SideÂ GPÂ L.L.C.,Â BlackstoneÂ HoldingsÂ IIIÂ L.P.,Â TheÂ BlackstoneÂ GroupÂ L.P.,Â BlackstoneÂ GroupÂ ManagementÂ L.L.C.Â andÂ StephenÂ A.Â SchwarzmanÂ haveÂ filedÂ aÂ separateÂ FormÂ 3.

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