ADMA Biologics
ADMA · NASDAQ
$11.23+$0.16 (+1.45%)TodayMarket closed ·
Prev close $11.07
Who owns ADMA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 49.3% of ADMA’s shares.
- BlackRock Institutional Trust Company, N.A.14.7%
- State Street Investment Management (US)7.4%
- Vanguard Capital Management, LLC4.4%
- Vanguard Portfolio Management, LLC4.4%
- Next 6 largest institutions18.5%
- All other shareholders50.7%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 34.00M | 14.67% |
| State Street Investment Management (US) | 17.12M | 7.38% |
| Vanguard Capital Management, LLC | 10.10M | 4.36% |
| Vanguard Portfolio Management, LLC | 10.09M | 4.35% |
| Rubric Capital Management LP | 9.34M | 4.03% |
| Capital Research Global Investors | 8.76M | 3.78% |
| First Trust Advisors L.P. | 7.80M | 3.36% |
| Geode Capital Management, L.L.C. | 6.06M | 2.61% |
| Caligan Partners, LP | 5.73M | 2.47% |
| D. E. Shaw & Co., L.P. | 5.27M | 2.28% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 14.13M | 6.10% |
| First Trust NYSE Arca Biotechnology Index Fund | 9.97M | 4.30% |
| American Funds SMALLCAP World Fund | 8.52M | 3.68% |
| State Street SPDR S&P Biotech ETF | 8.20M | 3.54% |
| Vanguard Total Stock Market Index Fund | 7.05M | 3.04% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $250.87K (3 trades) of ADMA on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Kestenberg-Messina Kaitlin M. | Tax withholding | 3.18K | $26.59K |
| Kohler Terry | Award | 136.36K | — |
| Kohler Terry | Award | 85.13K | — |
| Grossman Jerrold B | Buy | 6.40K | $50.62K |
| Grossman Jerrold B | Buy | 12.50K | $100.13K |
| Grossman Jerrold B | Buy | 12.50K | $100.13K |
Short interest
Settled Sep 30, 2026
- Shares short
- 20.60M
- Days to cover
- 5.67
- % of shares outstanding
- 8.89%
- Average daily volume
- 3.63M
- Change since last report
- −14.9%
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