Security key
55405Y100
MACOM Technology Solutions Holdings, Inc. - Common Stock (MTSI)
CUSIP: 55405Y100
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 4,136,139
- Total 13F value
- $1,571,068,930
- Share change
- -113,003
- Put/Call ratio
- 25%
- SEC-reported price per share
- $380.37
- Number of holders
- 244
- Value change
- -$41,437,525
- Number of buys
- 141
- Number of sells
- 77
- Shares outstanding
- 76,579,798
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
Q2 2026
Institutions
244
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
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 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%
BlackRock, Inc.
10%
Susan Ocampo
9.1%
T. Rowe Price Investment Manageme...
6%
Invesco Ltd.
4.9%
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 |
| BlackRock, Inc. |
13D/G
13F
Company
|
10%
|
$3,029,382,800
7,964,299 shares
|
+$464,572,873 | 30 Jun 2026 |
| Susan Ocampo |
3/4/5
13D/G
10%+ Owner · Susan M. Ocampo
|
9.1%
from 13D/G
|
$1,606,690,617
7,101,395 shares
|
-$474,392,228 | 24 Feb 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
6%
from 13D/G
|
$996,225,000
4,486,082 shares
|
— | 31 Mar 2026 |
| Invesco Ltd. |
13F
13D/G
Company
|
4.9%
from 13D/G
|
$815,844,041
3,673,815 shares
|
— | 31 Mar 2026 |
| 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 |
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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
244
Shares
4,136,139
Rows available
244
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
510
Q2 2026 holders
244
Holder diff
-266
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|