MACOM TECHNOLOGY SOLUTIONS H (MTSI) Institutional Ownership Changes & 13F Activity

MACOM TECHNOLOGY SOLUTIONS H (MTSI) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management, Sequoia Financial Advisors, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Polen Capital ManagementBuy1,0631,063$236,060
Q1 2026Sequoia Financial AdvisorsSell-1231,966$436,590
Q4 2025Sequoia Financial AdvisorsBuy2802,089$357,804
Q3 2025Renaissance Technologies LLCBuy118,600131,215$16,334,955
Q3 2025Sequoia Financial AdvisorsBuy101,809$225,203
Q2 2025Sequoia Financial AdvisorsBuy1,7991,799$257,779
Q1 2024Renaissance Technologies LLCSell-95,10012,615$1,206
Q2 2023Renaissance Technologies LLCSell-400107,715$7,059
Q1 2023Renaissance Technologies LLCBuy44,800108,115$7,659
Q4 2022Renaissance Technologies LLCSell-70,10063,315$3,988
Q3 2022Renaissance Technologies LLCSell-44,240133,415$6,910
Q2 2022Renaissance Technologies LLCBuy37,540177,655$8,190
Q1 2022Renaissance Technologies LLCBuy67,000140,115$8,389
Q4 2021Renaissance Technologies LLCSell-113,70073,115$5,725
Q3 2021Renaissance Technologies LLCSell-96,800186,815$12,119
Q2 2021Renaissance Technologies LLCBuy103,855283,615$18,174
Q1 2021Renaissance Technologies LLCBuy5,345179,760$10,430
Q4 2020Renaissance Technologies LLCSell-220,800174,415$9,600
Q3 2020Renaissance Technologies LLCBuy154,900395,215$13,441
Q2 2020Renaissance Technologies LLCBuy200,400240,315$8,255
Q4 2017Renaissance Technologies LLCSell-181,28539,915$1,299
Q4 2016Renaissance Technologies LLCBuy210,700221,200$10,237
Q3 2016Renaissance Technologies LLCSell-92,30010,500$445
Q2 2016Renaissance Technologies LLCBuy75,895102,800$3,390
Q4 2014Renaissance Technologies LLCSell-4,09526,905$842
Q1 2014Renaissance Technologies LLCSell-16,22231,000$637
Q4 2013Renaissance Technologies LLCSell-3,57847,222$802
Q3 2013Renaissance Technologies LLCBuy21,30050,800$865
Q2 2013Renaissance Technologies LLCBuy29,50029,500$431

Frequently asked questions about MTSI activity

  • Which institutional owners are buying MTSI?

    Institutional owners buying MTSI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MTSI activity?

    "Buy" means an investor increased their reported position in MTSI compared to the prior reporting period. This reflects growing exposure to MACOM TECHNOLOGY SOLUTIONS H (MTSI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MTSI increasing?

    Institutional interest in MTSI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

Related MTSI insights