ADMA Biologics Inc
Ownership
Ownership Structure
Who owns ADMA Biologics Inc (ADMA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.1% of the shares are freely tradable; institutional investors hold 94.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 16.44 | 36,830,774 | +1.4 | 03/31/2026 |
| State Street Corp | 6.29 | 14,084,205 | +3.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.60 | 10,306,871 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 3.96 | 8,868,657 | +0.0 | 03/31/2026 |
| Capital Research Global Investors | 3.91 | 8,756,374 | -21.8 | 06/30/2026 |
| First Trust Advisors L.P. | 3.48 | 7,798,351 | +2,064.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.30 | 14,112,349 | -0.2 | 08/31/2026 |
| First Trust NYSE Arca Biotech ETF | 4.45 | 9,970,973 | +0.0 | 08/31/2026 |
| American Funds SMALLCAP World A | 3.81 | 8,524,390 | -17.1 | 06/30/2026 |
| State Street® SPDR® S&P® Biotech ETF | 3.66 | 8,200,470 | -1.1 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Kestenberg-Messina Kaitlin M. | COO and SVP, Compliance | 443,061 | 3,987,549 $ | Jul 24, 2026 | direct |
| Kohler Terry | CFO and Treasurer | 143,149 | 1,288,341 $ | Jul 16, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 24, 2026 | Kestenberg-Messina Kaitlin M. | COO and SVP, Compliance | Other | 3,177 | 8.37 | 26,591 |
| Jul 16, 2026 | Kohler Terry | CFO and Treasurer | Other | 85,130 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 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.