MACOM Technology Solutions Holdings, Inc.
MACOM Technology Solutions Holdings, Inc. (MTSI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MTSI · as of Mar 31, 2025
Ownership Breakdown
401
Institutional Holders
$6.48B
Total Inst. Value
▼ $1.62B vs Q4
76.30M
Shares Outstanding
freeFloat 90.41%
63.82M
13F Shares Held
▲ 1.43M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MTSI largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC semiconductors & related devices | 6.65M | 8.94% | 8.94% | $667.17B | May 9, 2025 | ▲ 129.2K |
BLACKROCK, INC. semiconductors & related devices | 5.68M | 7.64% | 7.64% | $570.30B | May 2, 2025 | ▲ 248.6K |
FMR LLC semiconductors & related devices | 5.06M | 6.81% | 6.81% | $507.98B | May 12, 2025 | ▲ 334.8K |
INVESCO LTD. semiconductors & related devices | 3.36M | 4.52% | 4.52% | $337.16B | May 12, 2025 | ▼ 174.5K |
PRICE T ROWE ASSOCIATES INC /MD/ semiconductors & related devices | 3.19M | 4.28% | 4.28% | $319.81B | May 14, 2025 | ▼ 812.2K |
POINT72 ASSET MANAGEMENT, L.P. semiconductors & related devices | 2.78M | 3.73% | 3.73% | $278.60B | Jul 21, 2025 | ▲ 803.0K |
ARTISAN PARTNERS LIMITED PARTNERSHIP semiconductors & related devices | 2.44M | 3.28% | 3.28% | $244.58B | May 14, 2025 | ▼ 276.9K |
STATE STREET CORP semiconductors & related devices | 2.08M | 2.80% | 2.80% | $208.99B | May 15, 2025 | ▲ 61.0K |
JPMORGAN CHASE & CO semiconductors & related devices | 1.77M | 2.38% | 2.38% | $177.36B | May 12, 2025 | ▲ 612.1K |
CAPITAL RESEARCH GLOBAL INVESTORS semiconductors & related devices | 1.68M | 2.25% | 2.25% | $168.24B | May 12, 2025 | ▲ 393.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
33
Increased
+4.96M shares1
New Positions
first time holders16
Decreased
−2.57M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.39M
+4.96M / −2.57M
Net new holders
+18
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MTSI insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
3
Buy transactions
39
Sell transactions
0.08
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Daly Stephen G President and CEO | May 29, 2026 | Sale | 1,500 | $358.44 | $537.7K | 52.7K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 2,200 | $359.37 | $790.6K | 50.5K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 400 | $360.49 | $144.2K | 50.1K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 904 | $362.02 | $327.3K | 49.2K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 2,429 | $362.94 | $881.6K | 46.8K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 2,075 | $363.87 | $755.0K | 44.7K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 2,820 | $364.89 | $1.03M | 41.9K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 300 | $366.46 | $109.9K | 41.6K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 600 | $367.95 | $220.8K | 41.0K | Form 4 ↗ |
Daly Stephen G President and CEO | May 29, 2026 | Sale | 300 | $369.38 | $110.8K | 40.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
MACOM Technology Solutions Holdings, Inc. (MTSI) is primarily owned by institutional investors, who hold approximately 83.7% of total shares outstanding. Company insiders own approximately 9.59%, while retail and public investors account for the remaining 6.76%.
The largest institutional shareholder of MACOM Technology Solutions Holdings, Inc. is VANGUARD GROUP INC, holding approximately 6.65 million shares — equal to 8.94% of outstanding shares — as of March 31, 2025.
A total of 401 institutional investors currently hold MTSI stock, with a combined institutional value of approximately $6.48 billion as of the most recent 13F filing period.
Frequently asked questions
MTSI ownershipMACOM Technology Solutions Holdings, Inc. (MTSI) is primarily owned by institutional investors, who hold approximately 83.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 8.94% stake. Company insiders hold 9.59%. Data sourced from SEC Form 13F as of March 31, 2025.