Somnigroup International Inc (SGI) ownership: Top institutional holder: FMR LLC ($2.06B). Insider activity: Net Seller (1 buys, 18 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| FMR LLC | 27861420.00 | $2.06B | 2026-03-31 |
| VANGUARD GROUP INC | 18813858.00 | $1.68B | 2025-12-31 |
| BlackRock, Inc. | 20144553.00 | $1.49B | 2026-03-31 |
| Select Equity Group, L.P. | 9273908.00 | $685.53M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 9078255.00 | $671.06M | 2026-03-31 |
| Linonia Partnership LP | 8782011.00 | $649.17M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8438240.00 | $623.75M | 2026-03-31 |
| WINDACRE PARTNERSHIP LLC | 8222760.00 | $607.83M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-14 | |
| Buy | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-13 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.