Filing Flows › Macom Technology Solutions Holdings (MTSI) › Who owns the stock
Who owns Macom Technology Solutions Holdings (MTSI) stock
600 funds reported Macom Technology Solutions Holdings (MTSI) shares in their latest 13F filings, worth $27.2B in all. The largest holder is FMR LLC ($4.0B). Last quarter 346 funds added to their stakes and 211 cut them. Members of Congress and other officials disclosed 8 trades (1 buys, 7 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| FMR LLC | 10,527,144 | $4.0B | decrease | 2026-06-30 |
| BlackRock | 9,512,899 | $3.6B | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 3,605,324 | $1.4B | increase | 2026-06-30 |
| Vanguard Group | 7,225,100 | $1.2B | increase | 2025-12-31 |
| Vanguard Capital Management LLC | 3,064,683 | $1.2B | increase | 2026-06-30 |
| T. Rowe Price Investment Management | 2,850,185 | $1.1B | decrease | 2026-06-30 |
| State Street | 2,262,242 | $860M | increase | 2026-06-30 |
| Invesco | 2,149,581 | $818M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 1,409,741 | $536M | increase | 2026-06-30 |
| Wellington Management Group LLP | 1,205,711 | $459M | decrease | 2026-06-30 |
| Massachusetts Financial Services | 1,166,242 | $444M | increase | 2026-06-30 |
| Capital Research Global Investors | 1,086,149 | $413M | decrease | 2026-06-30 |
| Whale Rock Capital Management LLC | 988,785 | $376M | decrease | 2026-06-30 |
| Price T Rowe Associates | 980,134 | $373M | increase | 2026-06-30 |
| Neuberger Berman Group LLC | 826,969 | $314M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-09-29 | Gilbert Cisneros | sale | $15K–$50K |
| 2026-09-21 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-07-16 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-05-22 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-03-27 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-03-03 | Gilbert Cisneros | purchase | $1K–$15K |
| 2026-01-20 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2025-11-13 | Gilbert Cisneros | partial sale | $1K–$15K |
Macom Technology Solutions Holdings' latest quarter
Macom Technology Solutions Holdings, Q4 FY26: revenue $425M (+63% year over year), operating margin 31.6%, net earnings $139M, operating cash flow $156M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most MTSI stock?
By the latest 13F filings: FMR LLC ($4.0B); BlackRock ($3.6B); Vanguard Portfolio Management LLC ($1.4B); Vanguard Group ($1.2B); Vanguard Capital Management LLC ($1.2B).
Has Congress traded MTSI stock?
Officials disclosed 8 trades on file: 1 buys and 7 sales. The latest: Gilbert Cisneros, sale on 2026-09-29.
What is the short interest in MTSI?
2,729,544 shares were sold short at the 2026-10-15 settlement, -19.82% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.