UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

Specialized Disclosure Report

MACOM Technology Solutions Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-35451	27-0306875
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)
100 Chelmsford Street Lowell, Massachusetts		01851
(Address of principal executive offices)		(Zip Code)

John Croteau

President and Chief Executive Officer

MACOM Technology Solutions Holdings, Inc.

(978) 656-2500

(Name and telephone number, including area code, of the person to contact in connection with this report)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

☒ Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2017.

Section 1—Conflict Minerals Disclosure

Item 1.01 Conflict Minerals Disclosure and Report

This Form SD is filed by MACOM Technology Solutions Holdings, Inc. (the “Company”) pursuant to Rule 13p-1 promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2017 to December 31, 2017.

A copy of the Company’s Conflict Minerals Report is provided as Exhibit 1.01 to this Form SD, and is publicly available at https://www.macom.com/about/quality-reliability.

Item 1.02 Exhibit

The Conflict Minerals Report described in Item 1.01 is filed as Exhibit 1.01 to this Form SD.

Section 2 – Exhibits

Item 2.01 Exhibits

Exhibit 1.01 – Conflict Minerals Report for the calendar year ended December 31, 2017.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
/s/ John Croteau	Dated: May 31, 2018
By: John Croteau
President and Chief Executive Officer

EXHIBIT INDEX

Exhibit	Description
1.01	Conflict Minerals Report for the calendar year ended December 31, 2017.