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 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 _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Manager of GP of 10% owner
(Last)
(First)
(Middle)
222 BERKELEY STREET 18TH FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
01/28/2016
(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 01/28/2016   S   2,700,000 (1) D $ 37.7 3,515,938 (2) I See Remarks

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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 L P
222 BERKELEY STREET 18TH FLOOR
BOSTON, MA 02116		       Manager of GP of 10% owner
SUMMIT MASTER COMPANY, LLC
222 BERKELEY STREET 18TH FLOOR
BOSTON, MA 02116		       Manager of Manager of 10% owne
Summit Investors Management, LLC
222 BERKELEY STREET 18TH FLOOR
BOSTON, MA 02116		       Manager of 10% owner
Summit Partners PE VII, L.P.
222 BERKELEY STREET 18TH FLOOR
BOSTON, MA 02116		       See Remarks
Summit Partners PE VII, LLC
222 BERKELEY STREET 18TH FLOOR
BOSTON, MA 02116		       See Remarks
MANNION MARTIN J
222 BERKELEY STREET 18TH FLOOR
BOSTON, MA 02116		       Manager of GP of 10% owner

Signatures

 Summit Partners, L.P., by Robin W. Devereux, POA for Martin J. Mannion, Member   02/01/2016
**Signature of Reporting Person Date
 Summit Master Company, LLC, by Robin W. Devereux, POA for Martin J. Mannion, Member   02/01/2016
**Signature of Reporting Person Date
 Summit Investors Management, LLC, by Summit Master Company, LLC, its Managing Member, by Robin W. Devereux, POA for Martin J. Mannion, Member   02/01/2016
**Signature of Reporting Person Date
 Summit Partners PE VII, L.P., by Summit Partners PE VII, LLC, its General Partner, by Summit Partners, L.P., its Manager, by Robin W. Devereux, POA for Martin J. Mannion, Member   02/01/2016
**Signature of Reporting Person Date
 Summit Partners PE VII, LLC, by Summit Partners L.P., its Manager, by Robin W. Devereux, POA for Martin J. Mannion, Member   02/01/2016
**Signature of Reporting Person Date
 Robin W. Devereux, POA for Martin J. Mannion   02/01/2016
**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: 1,683,844 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P.; 1,011,343 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P.; 4,496 shares of common stock sold by Summit Investors I, LLC; 317 shares of common stock sold by Summit Investors I (UK), L.P.
(2) Represents shares held by the following entities: 2,183,778 in the name of Summit Partners Private Equity Fund VII-A, L.P.; 1,311,613 shares in the name of Summit Partners Private Equity Fund VII-B, L.P.; 5,832 shares in the name of Summit Investors I, LLC; 412 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:
Summit Partners, L.P. is 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 each of Summit Partners Private Equity Fund VII-A, L.P. and Summit Partners Private Equity Fund VII-B, L.P. Summit Master Company, LLC is 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 Master Company, LLC, as the managing member of Summit Investors Management, LLC has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P, and its Investment Committee responsible for voting and investment decisions with respect to the Issuer. Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares held by each of these entities and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities mentioned herein, Summit Partners, L.P., Summit Master Company, LLC, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of their pecuniary interest therein.

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