MACOM Technology Solutions Holdings, Inc. (MTSI)

About MACOM Technology Solutions Holdings, Inc.

MACOM Technology Solutions Holdings, Inc., together with its subsidiaries, provides analog semiconductor solutions for use in wireless and wireline applications across the radio frequency (RF), microwave, millimeter wave, and lightwave spectrum. The company offers a portfolio of standard and custom devices, including integrated circuits, multi-chip modules, diodes, amplifiers, switches and switch limiters, passive and active components, and subsystems. Its semiconductor products are electronic components that are incorporated in electronic systems, such as wireless base stations, optical networks, radar and medical systems, satellite networks, and test and measurement applications. The company serves carrier infrastructure, which comprise long-haul/metro, 5G and 6G infrastructure, satellite communications, and fiber-to-the-X/passive optical network; industrial and defense, including military and commercial radar, RF jammers, electronic countermeasures, and communication data links, as well as multi-market applications, such as industrial, medical, test and measurement, and scientific applications; and data centers. It sells its products through direct sales force, applications engineering staff, independent sales representatives, resellers, and distributors. The company operates in the United States, China, Japan, Singapore, South Korea, Taiwan, and internationally. MACOM Technology Solutions Holdings, Inc. was formerly known as M/A-Com Technology Solutions Holdings, Inc. and changed its name to MACOM Technology Solutions Holdings, Inc. in 2016. MACOM Technology Solutions Holdings, Inc. was founded in 1950 and is based in Lowell, Massachusetts.

Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.

Super investor ownership

13 of the funds we track reported a position in their latest SEC 13F filing. Largest first:

• Capital Research Global, Capital Research Global Investors$413.14M · 0.1% of book
• Whale Rock Capital, Whale Rock Capital Management LLC$376.10M · 3.0% of book
• Israel Englander, MILLENNIUM MANAGEMENT LLC$163.71M · 0.1% of book
• Arrowstreet Capital, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$122.23M · 0.1% of book
• Cliff Asness, AQR CAPITAL MANAGEMENT LLC$88.01M · 0.0% of book

A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.

Politician trades in MTSI

We hold 9 disclosed trades in MTSI by members of Congress and executive-branch officials. The latest 5:

• Gilbert Cisneros · HouseSell · $1,001 - $15,000 · traded 16 Jul 2026 · disclosed 4 Sept 2026
• Gilbert Cisneros · HouseSell · $1,001 - $15,000 · traded 22 May 2026 · disclosed 8 Jun 2026
• Gilbert Cisneros · HouseSell · $1,001 - $15,000 · traded 27 Mar 2026 · disclosed 7 Apr 2026
• Gilbert Cisneros · HouseBuy · $1,001 - $15,000 · traded 3 Mar 2026 · disclosed 7 Apr 2026
• Gilbert Cisneros · HouseSell · $1,001 - $15,000 · traded 20 Jan 2026 · disclosed 13 Feb 2026

A disclosure reports a value band, not an amount, and is due up to 45 days after the trade; some arrive later. Every filer we track, each with their own page, is on the Congress trading tracker.

Common questions