ADMA Biologics, Inc. (ADMA) ownership: Top institutional holder: VANGUARD GROUP INC ($380.39M). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 20854669.00 | $380.39M | 2025-12-31 |
| BlackRock, Inc. | 36830774.00 | $331.85M | 2026-03-31 |
| Sachem Head Capital Management LP | 11375000.00 | $207.48M | 2025-12-31 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 6992907.00 | $127.55M | 2025-12-31 |
| STATE STREET CORP | 14084205.00 | $126.90M | 2026-03-31 |
| Capital Research Global Investors | 11191116.00 | $100.83M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 10306871.00 | $92.86M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8868657.00 | $79.91M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-24 | |
| Sell | null | 2026-07-16 | |
| Sell | null | 2026-07-16 | |
| Sell | null | 2026-05-27 | |
| Buy | null | 2026-05-27 | |
| Sell | null | 2026-05-12 | |
| Buy | null | 2026-05-12 | |
| Sell | null | 2026-05-11 |
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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.