HealthStream, Inc. (HSTM) ownership: Top institutional holder: BlackRock, Inc. ($79.77M). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 3851929.00 | $79.77M | 2026-03-31 |
| VANGUARD GROUP INC | 2536901.00 | $58.53M | 2025-12-31 |
| BlackRock Fund Advisors | 2152342.00 | $53.92M | 2016-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 1456043.00 | $30.16M | 2026-03-31 |
| Copeland Capital Management, LLC | 1276739.00 | $26.44M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1047927.00 | $21.70M | 2026-03-31 |
| STATE STREET CORP | 995557.00 | $20.62M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 921846.00 | $19.09M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-08 | |
| Sell | null | 2026-05-08 | |
| Sell | null | 2026-03-30 | |
| Sell | null | 2026-03-30 | |
| Sell | null | 2026-03-30 | |
| Buy | null | 2026-03-30 | |
| Sell | null | 2026-03-30 |
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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.