Who owns MACOM Technology Solutions Holdings, Inc.?
Institutional ownership of MTSI from SEC Form 13F filings across 406 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
406
13F holders
$22.14B
value, 2026 filers
84.3%
of shares outstanding (62.3M sh)
98
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MTSI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 10.5M | $4.00B | 0.2% | 14.2% | -0.8% |
| 2 | BlackRock, Inc. | 9.5M | $3.62B | 0.1% | 12.9% | +11.1% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.6M | $1.37B | 0.1% | 4.9% | +0.5% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.1M | $1.17B | 0.0% | 4.1% | -48.8% |
| 5 | Invesco Ltd. | 2.1M | $817.6M | 0.1% | 2.9% | -41.5% |
| 6 | JPMORGAN CHASE & CO | 2.1M | $793.0M | 0.0% | 2.9% | +5.4% |
| 7 | Ascentis Wealth Management, LLC | 1.6M | $4.9M | 0.7% | 2.2% | +38037.5% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $536.3M | 0.0% | 1.9% | +3.7% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 1.2M | $458.6M | 0.1% | 1.6% | -22.1% |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.2M | $443.6M | 0.1% | 1.6% | +40.8% |
| 11 | Capital Research Global Investors | 1.1M | $413.1M | 0.1% | 1.5% | -11.2% |
| 12 | NORGES BANKNEW | 996,731 | $379.1M | 0.0% | 1.3% | new |
| 13 | Whale Rock Capital Management LLC | 988,785 | $376.1M | 3.0% | 1.3% | -15.8% |
| 14 | PRICE T ROWE ASSOCIATES INC /MD/ | 980,134 | $372,815 | 0.0% | 1.3% | +7.1% |
| 15 | NEUBERGER BERMAN GROUP LLC | 826,969 | $314.4M | 0.2% | 1.1% | +4.8% |
| 16 | GOLDMAN SACHS GROUP INC | 812,421 | $309.0M | 0.0% | 1.1% | +88.6% |
| 17 | FRANKLIN RESOURCES INC | 798,891 | $303.9M | 0.1% | 1.1% | +59.2% |
| 18 | Qube Research & Technologies LtdNEW | 790,678 | $300.8M | 0.3% | 1.1% | new |
| 19 | Jupiter Topco LLCNEW | 674,790 | $256.6M | 0.1% | 0.9% | new |
| 20 | Sixth Street Partners Management Company, L.P.NEW | 666,659 | $253.6M | 43.8% | 0.9% | new |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 666,659 | $253.6M | 0.0% | 0.9% | +0.9% |
| 22 | BANK OF AMERICA CORP /DE/ | 651,293 | $247.7M | 0.0% | 0.9% | +35.5% |
| 23 | Artisan Partners Limited Partnership | 627,850 | $238.8M | 0.4% | 0.8% | -40.0% |
| 24 | RAYMOND JAMES FINANCIAL INC | 627,804 | $238.8M | 0.1% | 0.8% | +6.3% |
| 25 | ALLIANCEBERNSTEIN L.P. | 569,511 | $126.5M | 0.0% | 0.8% | -27.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.