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 *
Summit Partners Private Equity Fund VII-A, L.P.
   2. Issuer Name and Ticker or Trading Symbol
M/A-COM Technology Solutions Holdings, Inc. [MTSI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
222 BERKELEY STREET, 18TH FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
05/29/2015
(Street)

BOSTON, MA 02116		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 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 05/29/2015   S   34,565 (1) D $ 38.3179 6,215,938 (2) 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

Reporting Owners

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

Signatures

 Summit Partners Private Equity Fund VII-A, L.P., by Summit Partners PE VII, L.P., its GP, by Summit Partners PE VII, LLC, its GP, by Summit Partners, L.P., its Managing Member, by Robin W. Devereux, POA for Joseph F. Trustey, Member   06/02/2015
**Signature of Reporting Person Date
 Summit Partners Private Equity Fund VII-B, L.P., by Summit Partners PE VII, L.P., its GP, by Summit Partners PE VII, LLC, its GP, by Summit Partners, L.P., its Managing Member, by Robin W. Devereux, POA for Joseph F. Trustey, Member   06/02/2015
**Signature of Reporting Person Date
 Summit Investors I, LLC, by Summit Investors Management, LLC, its Manager, by Summit Master Company, LLC, its Managing Member, by Robin W. Devereux, POA for Joseph F. Trustey, Member   06/02/2015
**Signature of Reporting Person Date
 Summit Investors I (UK), L.P., by Summit Investors Management, LLC, its General Partner, by Summit Master Company, LLC, its Managing Member, by Robin W. Devereux, POA for Joseph F. Trustey, Member   06/02/2015
**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) Represents shares sold by the following entities: 21,556 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 12,947 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P.; 58 shares of common stock sold by Summit Investors I, LLC; 4 shares of common stock sold by Summit Investors I (UK), L.P.
(2) Represents shares held by the following entities: 3,867,622 in the name of Summit Partners Private Equity Fund VII-A, L.P.; 2,322,956 shares in the name of Summit Partners Private Equity Fund VII-B, L.P.; 10,328 shares in the name of Summit Investors I, LLC; 729 shares in the name of Summit Investors I (UK), L.P.; 14,303 shares and restricted stock units in the name of Peter Y. Chung, which are held for the benefit of Summit Partners, L.P.
 
Remarks:
The entities mentioned in Footnotes 1 and 2 are collectively referred to as the "Summit Entities."  Each of the Summit Entities disclaims beneficial ownership of all shares except those specifically listed in the Footnotes as held by such entity, except to the extent of each such entity's pecuniary interest therein.

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