Somnigroup International
SGI · NYSE
Who owns SGI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 47.9% of SGI’s shares.
- Fidelity Management & Research Company LLC10.5%
- BlackRock Institutional Trust Company, N.A.8.5%
- Vanguard Capital Management, LLC4.4%
- Select Equity Group, L.P.4.2%
- Next 6 largest institutions20.3%
- All other shareholders52.1%
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Management & Research Company LLC | 22.14M | 10.53% |
| BlackRock Institutional Trust Company, N.A. | 17.84M | 8.48% |
| Vanguard Capital Management, LLC | 9.16M | 4.35% |
| Select Equity Group, L.P. | 8.89M | 4.23% |
| The WindAcre Partnership LLC | 8.42M | 4.00% |
| Vanguard Portfolio Management, LLC | 8.22M | 3.91% |
| State Street Investment Management (US) | 7.28M | 3.46% |
| The Linonia Partnership LP | 6.62M | 3.15% |
| Browning West LP | 6.37M | 3.03% |
| Abrams Capital Management, L.P. | 5.80M | 2.76% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 8.06M | 3.83% |
| Vanguard Total Stock Market Index Fund | 6.36M | 3.03% |
| Vanguard Small-Cap Index Fund | 4.59M | 2.18% |
| Fidelity Strategic Advisers Fidelity US Total Stk | 3.41M | 1.62% |
| Statens Pensjonsfond Utland | 2.97M | 1.41% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $1.89M (1 trade) and sold $445.54K (2 trades) of SGI on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| THOMPSON SCOTT L | Buy | 30.00K | $1.89M |
| HAGALE JAMES TYSON | Award | 6.15K | — |
| HAGALE JAMES TYSON | Award | 9.22K | — |
| HAGALE JAMES TYSON | Award | 9.22K | — |
| HAGALE JAMES TYSON | Award | 4.81K | — |
| HAGALE JAMES TYSON | Award | 10.82K | — |
| HAGALE JAMES TYSON | Award | 10.82K | — |
| HAGALE JAMES TYSON | Award | 1.11K | — |
| HAGALE JAMES TYSON | Award | 4.99K | — |
| HAGALE JAMES TYSON | Award | 4.99K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| April DelaneyHouse | Sale | $100K–$250K | Aug 25, 2026 |
| April McClainHouse | Sale | $1K–$15K | Feb 9, 2026 |
| April McClainHouse | Sale | $1K–$15K | Jan 22, 2026 |
| April McClainHouse | Sale | $1K–$15K | Jan 12, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 18.77M
- Days to cover
- 5.95
- % of shares outstanding
- 8.92%
- Average daily volume
- 3.15M
- Change since last report
- +3.5%
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