Select Medical Holdings Corporation (SEM) ownership: Top institutional holder: BlackRock, Inc. ($281.22M). Insider activity: Neutral (2 buys, 2 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 17263327.00 | $281.22M | 2026-03-31 |
| VANGUARD GROUP INC | 12477780.00 | $185.30M | 2025-12-31 |
| BlackRock Fund Advisors | 9129015.00 | $120.96M | 2016-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6723557.00 | $109.53M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 5536331.00 | $90.19M | 2026-03-31 |
| FIL Ltd | 4960732.00 | $80.81M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4819685.00 | $78.51M | 2026-03-31 |
| STATE STREET CORP | 4319877.00 | $70.37M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-04 | |
| Buy | null | 2026-04-30 | |
| Sell | null | 2026-04-28 | |
| Sell | null | 2026-02-11 |
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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.