MACOM Technology Solutions Holdings, Inc. (MTSI)
Nasdaq: MTSI · Semiconductors & Related Devices · Lowell, MA · filing with the SEC since 2010
Grade6.8
◀ Past 5.6● Present 7.1▶ Future 7.4
Who owns MACOM Technology Solutions Holdings, Inc.
As filed with the SECHolders of 5% or more
3
Fmr LLC holds 14.1% of COMMON STOCK, as its SCHEDULE 13G/A filed May 6, 2026 says.
Directors and officers
14
report now, of 26 people on the record since 2012. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Fmr LLC
SCHEDULE 13G/A · filed May 6, 2026 · COMMON STOCK · 10.7% in Feb 6, 2026
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 8, 2026 · Common Stock · 9.1% in Oct 17, 2025
Susan M. Ocampo
SCHEDULE 13G/A · filed Aug 12, 2026 · Common Stock, $0.001 par value · 9.1% in May 5, 2026
Invesco LTD
SCHEDULE 13G/A · filed Feb 7, 2025 · Common Stock · reported falling below 5%
T. Rowe Price Associates, Inc.
SCHEDULE 13G/A · filed May 14, 2025 · COMMON STOCK · reported falling below 5%, from 5.5% in Feb 14, 2025
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · COMMON STOCK · reported falling below 5%, from 6% in May 15, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 9% in Jan 30, 2025
What MTSI reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Linearizer Technology, Inc.
A company bought · acquisition · Mar 2025 · owns, named in the 10-K filed Nov 14, 2025
RF Business of Wolfspeed, Inc.
A company bought · acquisition · Dec 2024 · owns, named in the 10-K filed Nov 14, 2025
ENGIN-IC, Inc.
A company bought · acquisition · Oct 2024 · owns, named in the 10-K filed Nov 14, 2025
23 subsidiaries in 11 countries, from the list filed with the 10-K filed Nov 14, 2025.
Insider tradesForm 4
200sales
0purchases
169sales on a scheduled plan
10people selling
$299Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window10 of 36 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Ocampo Susan | director | 23 | $239M | 0 | 0 | $0 |
| Chung Peter Y | director | 1 | $16.4M | 0 | 0 | $0 |
| Daly Stephen G | President and CEO | 34 | $12.8M | 34 | 0 | $0 |
| Kober John | Senior VP and CFO | 49 | $11.9M | 49 | 0 | $0 |
| Hwang Donghyun Thomas | SVP, Global Sales | 54 | $5.6M | 54 | 0 | $0 |
| Roth Ambra R. | SVP, GC and Secretary | 22 | $5.1M | 22 | 0 | $0 |
| Dennehy Robert | Senior VP and COO | 10 | $4.6M | 10 | 0 | $0 |
| Bland Charles R | Chief Executive Officer | 4 | $1.4M | 0 | 0 | $0 |
| Ribar Geoffrey G | director | 2 | $1.2M | 0 | 0 | $0 |
| Ritchie John | director | 1 | $400,000 | 0 | 0 | $0 |