Select Medical Holdings (SEM)
Who owns Select Medical Holdings (SEM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 78.5% of the shares are freely tradable; institutional investors hold 82.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 13.92 | 17,263,327 | -7.7 | 03/31/2026 |
| Vanguard Group Inc | 10.06 | 12,477,780 | -0.8 | 12/31/2025 |
| Vanguard Portfolio Management, LLC | 5.42 | 6,723,557 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.46 | 5,536,331 | +3.8 | 03/31/2026 |
| Fidelity International Ltd | 4.00 | 4,960,732 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.89 | 4,819,685 | +0.0 | 03/31/2026 |
| State Street Corp | 3.48 | 4,319,877 | -1.8 | 03/31/2026 |
| Glazer Capital, LLC | 3.29 | 4,079,780 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.39 | 6,679,075 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 2.75 | 3,407,158 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.