Security key
55405Y100
MACOM Technology Solutions Holdings, Inc. - COMMON STOCK (MTSI)
CUSIP: 55405Y100
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 74,088,445
- Total 13F value
- $16,378,832,199
- Share change
- +2,719,879
- Put/Call ratio
- 30%
- SEC-reported price per share
- $222.07
- Number of holders
- 513
- Value change
- +$658,695,657
- Number of buys
- 268
- Number of sells
- 216
- Shares outstanding
- 77,032,027
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
513
Top holders
10
MTSI full security history
Ownership snapshot
Full 13F holder table
MACOM Technology Solutions Holdings, Inc. SEC filings
MACOM Technology Solutions Holdings, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of MTSI - MACOM Technology Solutions Holdings, Inc. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 14%
13D/G row: FMR LLC
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 14%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
14%
Invesco Ltd.
4.9%
PRICE T ROWE ASSOCIATES INC /MD/
4.3%
Susan Ocampo
9.2%
Wayne Mack Struble
0.04%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13D/G
13F
Company
|
14%
|
$2,357,885,901
10,617,760 shares
|
+$573,984,551 | 31 Mar 2026 |
| Invesco Ltd. |
13F
13D/G
Company
|
4.9%
from 13D/G
|
$586,560,405
3,424,570 shares
|
— | 31 Dec 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
4.3%
|
$336,814,736
3,187,119 shares
|
-$85,708,277 | 31 Mar 2025 |
| Susan Ocampo |
3/4/5
10%+ Owner
|
9.2%
|
$1,606,690,617
7,101,395 shares
|
-$459,506,825 | 24 Feb 2026 |
| Wayne Mack Struble |
3/4/5
SVP, Advanced Semiconductor
|
0.04%
|
$4,996,161
29,384 shares
|
— | 06 Nov 2025 |
| Ambra R. Roth |
3/4/5
SVP, GC and Secretary
|
0.01%
|
$1,610,513
9,837 shares
|
-$2,778,652 | 19 Nov 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
513
Shares
74,088,445
Rows available
513
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
513
Q1 2026 holders
513
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|