As of November 10, 2026, MACOM Technology Solutions Holdings, Inc. is a publicly traded company (Nasdaq: MTSI); its largest reported holder is Fidelity (FMR), with 11.8% on Schedule 13G/A of November 5, 2026, then BlackRock (10.4%) (Schedule 13G/A, November 5, 2026).
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Is MACOM Technology Solutions Holdings, Inc. a real, registered company?
- MACOM Technology Solutions Holdings, Inc. files with the SEC under CIK 1493594 (its SEC filings).
- Its shares are listed under the ticker MTSI on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Lowell, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC in our court records and SEC 8-K records (as of 2026-11-10).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Fidelity (FMR) (filed 2026-11-05).
Who are MACOM Technology Solutions Holdings, Inc.'s owners and officers?
MACOM Technology Solutions Holdings, Inc.: incorporated in Delaware; business address in Lowell, Massachusetts; industry Semiconductors & Related Devices (Schedule 13G/A, 2026-11-05).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-05 | Fmr LLC | 11.8% |
| Schedule 13G/A, 2026-10-30 | Susan M. Ocampo | 6.4% |
| Schedule 13G/A, 2026-08-14 | T. Rowe Price Investment Management, Inc. | 3.7% |
| Schedule 13G/A, 2026-08-12 | Susan M. Ocampo | 6.4% |
| Schedule 13G/A, 2026-07-08 | Blackrock, Inc. | 10.4% |
| Schedule 13G/A, 2026-05-15 | T. Rowe Price Investment Management, Inc. | 6% |
| Schedule 13G/A, 2026-05-06 | Fmr LLC | 14.1% |
| Schedule 13G/A, 2026-05-05 | Susan M. Ocampo | 9.1% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-06 | Fmr LLC | 10.7% |
| Schedule 13G/A, 2026-02-05 | Fmr LLC | 8.9% |
| Schedule 13G/A, 2026-02-02 | Susan M. Ocampo | 10.7% |
Questions about who owns MACOM Technology Solutions Holdings, Inc.
Who owns MACOM Technology Solutions Holdings, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of MACOM Technology Solutions Holdings, Inc.: Fmr LLC (11.8%, Schedule 13G/A, filed 2026-11-05), Blackrock, Inc. (10.4%, Schedule 13G/A, filed 2026-07-08) and Susan M. Ocampo (6.4%, Schedule 13G/A, filed 2026-10-30).
Who are the largest shareholders of MACOM Technology Solutions Holdings, Inc.?
By the share each holder's latest filing reports, the largest holders of MACOM Technology Solutions Holdings, Inc. on this page are Fmr LLC (11.8%), Blackrock, Inc. (10.4%) and Susan M. Ocampo (6.4%).
When did Fmr LLC buy into MACOM Technology Solutions Holdings, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Fmr LLC on this page is the Schedule 13G/A, filed 2026-02-05, reporting 8.9%; its latest, Schedule 13G/A filed 2026-11-05, reports 11.8%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on MACOM Technology Solutions Holdings, Inc. covers
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Which insiders own MACOM Technology Solutions Holdings, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a 10% owner: 7,101,395 shares (9.3% of shares outstanding), held indirectly through an ocampo family trusts (Form 4, 2026-02-26).
- , the chief executive and president: 99,178 shares (0.13% of shares outstanding) (Form 4, 2026-11-09).
- , the senior vice president and global sales: 47,997 shares (0.06% of shares outstanding) (Form 4, 2026-11-09).
- , the chief financial officer and senior vice president: 35,580 shares (0.05% of shares outstanding) (Form 4, 2026-11-09).
- , the chief operating officer and senior vice president: 32,822 shares (0.04% of shares outstanding) (Form 4, 2026-11-09).
Shares outstanding: 76,370,931 as of 2026-08-03, from the company's latest SEC cover page.
How much has MACOM Technology Solutions Holdings, Inc. raised?
No fundraising or offering filing from MACOM Technology Solutions Holdings, Inc. is on file with us.
Keep reading
More on MACOM Technology Solutions Holdings, Inc. and the records around it.
MACOM Technology Solutions Holdings, Inc. elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- T. Rowe Price Investment Management, Inc. also filed stake reports on 167 other companies: CABALETTA BIO INC (Nov 2026), MADISON SQUARE GARDEN SPORTS CORP (Nov 2026), MSG RANGERS CORP (Nov 2026)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
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