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 *
  Summit Partners Private Equity Fund VII-A, L.P.
 2. Date of Event Requiring Statement (Month/Day/Year)
10/13/2011		 3. Issuer Name and Ticker or Trading Symbol
Ubiquiti Networks, Inc. [UBNT]
(Last)
(First)
(Middle)
C/O SUMMIT PARTNERS, L.P., 222 BERKELEY STREET, 18TH FLOOR		 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)

BOSTON, MA 02116		 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)

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
Series A Preferred Stock 03/02/2010   (1) Common Stock 23,992,929 (2) $ (1) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Summit Partners Private Equity Fund VII-A, L.P.
C/O SUMMIT PARTNERS, L.P.
222 BERKELEY STREET, 18TH FLOOR
BOSTON, MA 02116		     X    
Summit Partners Private Equity Fund VII B L P
C/O SUMMIT PARTNERS, L.P.
222 BERKLEY STREET, 18TH FLOOR
BOSTON, MA 02116		     X    
Summit Investors I, LLC
C/O SUMMIT PARTNERS, L.P.
222 BERKLEY STREET, 18TH FLOOR
BOSTON, MA 02116		     X    
Summit Investors I (UK), L.P.
C/O SUMMIT PARTNERS, LP
222 BERKELEY STREET, 18TH FLOOR
BOSTON, MA 02116		     X    

Signatures

Summit Partners Private Equity Fund VII-A, L.P., /s/ Robin W. Devereux, as Attorney-in-Fact 10/13/2011
**Signature of Reporting Person Date
Summit Partners Private Equity Fund VII-B, L.P., /s/ Robin W. Devereux, as Attorney-in-Fact 10/13/2011
**Signature of Reporting Person Date
Summit Investors I (UK), L.P., /s/ Robin W. Devereux, as Attorney-in-Fact 10/13/2011
**Signature of Reporting Person Date
Summit Investors I, LLC, /s/ Robin W. Devereux, as Attorney-in-Fact 10/13/2011
**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) The Series A preferred stock is convertible into Ubiquiti Networks, Inc. common stock on a one-for-one basis and has no expiration date.
(2) The shares underlying the Series A preferred stock are held as follows: 14,942,702 shares of common stock issuable upon the conversion of Series A preferred stock are held by Summit Partners Private Equity Fund VII-A, L.P., 8,974,825 shares of common stock issuable upon the conversion of Series A preferred stock are held by Summit Partners Private Equity Fund VII-B, L.P., 68,917 shares of common stock issuable upon the conversion of Series A preferred stock are held by Summit Investors I, LLC and 6,485 shares of common stock issuable upon the conversion of Series A preferred stock are held by Summit Investors I (UK), L.P.
 
Remarks:
The entities mentioned in Footnote 2 are collectively referred to as the "Summit Entities."  Summit Partners, L.P. is (i) the managing member of Summit Partners PE VII, LLC, which is the general partner of Summit Partners PE VII, L.P., which is the general partner of Summit Partners Private Equity Fund VII-A, L.P. and Summit Partners Private Equity Fund VII-B, L.P., and (ii) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC., and the general partner of Summit Investors I (UK), L.P. Summit Partners, L.P., through a two-person investment committee, currently composed of Martin J. Mannion and Bruce R. Evans, has voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares.  Each of the Summit Entities and Messrs. Mannion  and Evans disclaim beneficial ownership of shares, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the shares for the purpose of Section 16 or for any other purpose, except, in each case, to the extent of each such Reporting Person's pecuniary interest therein.  Exhibits:  Exhibit 24-Power of Attorney.

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