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 | 17.12 | 38,355,684 | +4.1 | 06/30/2026 |
| State Street Corp | 7.64 | 17,116,022 | +21.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.51 | 10,103,809 | -2.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.50 | 10,088,490 | +13.8 | 06/30/2026 |
| Rubric Capital Management LP | 4.17 | 9,339,414 | +416.2 | 06/30/2026 |
| 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 | 5.95 | 13,332,053 | +0.0 | 09/30/2026 |
| First Trust NYSE Arca Biotech ETF | 4.45 | 9,970,973 | +0.0 | 09/30/2026 |
| American Funds SMALLCAP World A | 3.81 | 8,524,390 | +0.0 | 09/30/2026 |
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 | 5,050,895 $ | Jul 24, 2026 | direct |
| Kohler Terry | CFO and Treasurer | 143,149 | 1,631,899 $ | 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: October 30, 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.