ADMA BIOLOGICS INC ADMA
COM · Common Stock · CUSIP 000899104
Company in Ramsey, United States
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersRamsey, NJ
- Websiteadmabiologics.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($13.8m this quarter). Holder counts are more reliable. Shares outstanding: 238.6m as of 2025-08-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $18.20. Options: 13 managers hold calls ($53.0m notional), 12 hold puts ($31.2m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 130 |
| Q4 2022 | 160 |
| Q1 2023 | 164 |
| Q2 2023 | 182 |
| Q3 2023 | 190 |
| Q4 2023 | 186 |
| Q1 2024 | 216 |
| Q2 2024 | 255 |
| Q3 2024 | 309 |
| Q4 2024 | 323 |
| Q1 2025 | 349 |
| Q2 2025 | 370 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 113 | 62 |
| Q4 2023 | 89 | 83 |
| Q1 2024 | 136 | 71 |
| Q2 2024 | 142 | 103 |
| Q3 2024 | 193 | 134 |
| Q4 2024 | 182 | 162 |
| Q1 2025 | 188 | 148 |
| Q2 2025 | 228 | 162 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $33.2m | $2.3m | 0.07 |
| Q4 2024 | $43.8m | $15.7m | 0.36 |
| Q1 2025 | $67.2m | $16.3m | 0.24 |
| Q2 2025 | $53.0m | $31.2m | 0.59 |
Biggest buyers
| VANGUARD GROUP INC | Added | +4.5m |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | New | +1.8m |
| T. Rowe Price Investment Management, Inc. | New | +1.7m |
| Thrivent Financial for Lutherans | Added | +1.5m |
| ROYAL BANK OF CANADA | Added | +1.3m |
| FRANKLIN RESOURCES INC | Added | +1.1m |
| First Light Asset Management, LLC | New | +952.1k |
| Nuveen, LLC | Added | +848.0k |
| WELLINGTON MANAGEMENT GROUP LLP | Added | +838.1k |
| Ranger Investment Management, L.P. | Added | +786.9k |
Biggest sellers
| MORGAN STANLEY | Reduced | -3.0m |
| TWO SIGMA ADVISERS, LP | Reduced | -1.6m |
| DEUTSCHE BANK AG\ | Reduced | -1.5m |
| MetLife Investment Management, LLC | Sold out | -1.1m |
| TWO SIGMA INVESTMENTS, LP | Reduced | -1.1m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -1.0m |
| Point72 Asset Management, L.P. | Sold out | -847.6k |
| BlackRock, Inc. | Reduced | -812.9k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -755.5k |
| D. E. Shaw & Co., Inc. | Reduced | -693.0k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $16.9m930.6k shares |
| GROUP ONE TRADING LLC | Reduced | $12.1m664.0k shares |
| Caption Management, LLC | Added | $6.3m347.6k shares |
| Squarepoint Ops LLC | Reduced | $4.5m249.8k shares |
| JANE STREET GROUP, LLC | Reduced | $4.3m236.9k shares |
| CITADEL ADVISORS LLC | Reduced | $3.4m187.1k shares |
| SIMPLEX TRADING, LLC | Added | $2.5m139.0k shares |
| Cubist Systematic Strategies, LLC | New | $681.1k37.4k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $668.3k36.7k shares |
| IMC-Chicago, LLC | Reduced | $559.0k30.7k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $14.5m798.7k shares |
| Caption Management, LLC | New | $5.4m297.5k shares |
| CITADEL ADVISORS LLC | Added | $4.5m245.0k shares |
| CAPITAL FUND MANAGEMENT S.A. | New | $1.3m69.4k shares |
| SIMPLEX TRADING, LLC | Added | $1.1m60.3k shares |
| GROUP ONE TRADING LLC | Added | $1.0m56.3k shares |
| JANE STREET GROUP, LLC | Added | $934.2k51.3k shares |
| CITIGROUP INC | New | $921.4k50.6k shares |
| IMC-Chicago, LLC | Added | $682.9k37.5k shares |
| Cubist Systematic Strategies, LLC | New | $489.8k26.9k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-30 | 15.1% |
| STATE STREET CORP 13G · institution +2.3 pts · filed 2026-08-07 | 7.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), Invesco Ltd. (5.0%, 2026-02-12)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 2 | $579.8k | 3 | $10.7m | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 1 | $9.1m | — |
| Q2 2024 | 0 | — | 1 | $1.1m | — |
| Q3 2024 | 0 | — | 5 | $15.0m | — |
| Q4 2024 | 0 | — | 2 | $1.4m | — |
| Q1 2025 | 0 | — | 1 | $397.3k | $397.3k |
| Q2 2025 | 0 | — | 4 | $10.9m | $1.3m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-06-16 | ELMS STEVE Director | Sold | $3.9m194.7k shares |
| 2025-06-16 | Grossman Adam S President and CEO, director | Sold plan | $437.0k21.0k shares |
| 2025-06-13 | ELMS STEVE Director | Sold | $2.9m137.9k shares |
| 2025-06-12 | ELMS STEVE Director · See footnote | Sold | $2.0m92.9k shares |
| 2025-06-09 | Guiheen Lawrence P. Director | Sold | $419.2k20.0k shares |
| 2025-06-09 | Grossman Jerrold B Director | Sold | $213.1k10.0k shares |
| 2025-05-22 | Guiheen Lawrence P. Director | Sold | $24.6k1.2k shares |
| 2025-05-21 | Guiheen Lawrence P. Director | Sold | $158.1k7.8k shares |
| 2025-05-15 | Grossman Adam S President and CEO, director | Sold plan | $408.4k21.0k shares |
| 2025-04-15 | Grossman Adam S President and CEO, director | Sold plan | $450.7k21.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 36.5m $664.2m | Reduced -812.9k |
| VANGUARD GROUP INC 0.01% of their portfolio | 21.4m $389.0m | Added +4.5m |
| Invesco Ltd. 0.04% of their portfolio | 12.8m $233.4m | Reduced -48.8k |
| STATE STREET CORP 0.01% of their portfolio | 12.1m $219.9m | Added +637.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 5.9m $107.7m | Added +245.3k |
| Nuveen, LLC 0.03% of their portfolio | 5.6m $101.3m | Added +848.0k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 4.8m $86.7m | Reduced -97.2k |
| AMERICAN CENTURY COMPANIES INC 0.05% of their portfolio | 4.6m $84.0m | Added +358.6k |
| Allspring Global Investments Holdings, LLC 0.10% of their portfolio | 3.3m $59.4m | Added +271.3k |
| Thrivent Financial for Lutherans 0.13% of their portfolio | 3.3m $60.4m | Added +1.5m |
| FMR LLC 0.00% of their portfolio | 3.2m $58.5m | Reduced -152.4k |
| RENAISSANCE TECHNOLOGIES LLC 0.08% of their portfolio | 3.1m $57.3m | Reduced -402.9k |
| OBERWEIS ASSET MANAGEMENT INC/ 2.48% of their portfolio | 3.1m $57.1m | Reduced -290.4k |
| Perpetual Ltd 0.62% of their portfolio | 2.9m $52.7m | Reduced -657.5k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 2.7m $49.5m | Added +1.1m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 2.5m $45.6m | Added +40.0k |
| Driehaus Capital Management LLC 0.36% of their portfolio | 2.5m $45.1m | Reduced -469.6k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 2.4m $44.5m | Reduced -151.5k |
| UBS Group AG 0.01% of their portfolio | 2.4m $44.1m | Reduced -395.2k |
| Ranger Investment Management, L.P. 3.04% of their portfolio | 2.4m $43.5m | Added +786.9k |
| B Group, Inc. 36.45% of their portfolio | 2.3m $42.2m | Unchanged |
| AWM Investment Company, Inc. 4.49% of their portfolio | 2.2m $40.1m | Reduced -226.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 2.1m $39.0m | Added +28.3k |
| MORGAN STANLEY 0.00% of their portfolio | 2.0m $35.7m | Reduced -3.0m |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 1.9m $34.1m | Reduced -1.5m |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.8m $33.1m | Added +48.9k |
| Russell Investments Group, Ltd. 0.04% of their portfolio | 1.8m $33.1m | Added +186.8k |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 0.31% of their portfolio | 1.8m $32.8m | New |
| LORD, ABBETT & CO. LLC 0.10% of their portfolio | 1.8m $32.4m | Reduced -460.1k |
| T. Rowe Price Investment Management, Inc. 0.02% of their portfolio | 1.7m $30.4m | New |
| MACQUARIE GROUP LTD 0.04% of their portfolio | 1.6m $28.7m | Added +128.2k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 1.5m $28.2m | Added +258.3k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 1.5m $27.7m | Added +202.2k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 1.5m $27.3m | Added +30.7k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.4m $25.6m | Added +1.3m |
| VOYA INVESTMENT MANAGEMENT LLC 0.03% of their portfolio | 1.4m $25.5m | Reduced -350.3k |
| PERCEPTIVE ADVISORS LLC 0.89% of their portfolio | 1.3m $23.7m | Reduced -69.8k |
| Ophir Asset Management Pty Ltd 3.61% of their portfolio | 1.2m $22.7m | Added +59.6k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.2m $22.0m | Added +507.2k |
| TWO SIGMA INVESTMENTS, LP 0.04% of their portfolio | 1.2m $21.9m | Reduced -1.1m |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 1.1m $20.7m | Reduced -1.0m |
| First Turn Management, LLC 3.71% of their portfolio | 1.1m $19.9m | Added +525.4k |
| TANG CAPITAL MANAGEMENT LLC 0.97% of their portfolio | 1.1m $19.1m | Unchanged |
| TWO SIGMA ADVISERS, LP 0.04% of their portfolio | 1.0m $18.8m | Reduced -1.6m |
| Balyasny Asset Management L.P. 0.04% of their portfolio | 971.4k $17.7m | Added +589.7k |
| First Light Asset Management, LLC 2.25% of their portfolio | 952.1k $17.3m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 942.9k $17.2m | Added +126.3k |
| FEDERATED HERMES, INC. 0.03% of their portfolio | 937.0k $17.1m | Reduced -267.1k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 931.9k $17.0m | Added +838.1k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 832.6k $15.2m | Reduced -693.0k |
| Public Sector Pension Investment Board 0.06% of their portfolio | 813.9k $14.8m | Added +64.2k |
| BARCLAYS PLC 0.01% of their portfolio | 798.7k $14.5m | Added +352.8k |
| Stonepine Capital Management, LLC 13.45% of their portfolio | 750.0k $13.7m | Reduced -60.0k |
| CITIGROUP INC 0.01% of their portfolio | 733.8k $13.4m | Reduced -268.1k |
| Nicholas Investment Partners, LP 1.16% of their portfolio | 718.3k $13.1m | Added +257.5k |
| Legal & General Group Plc 0.00% of their portfolio | 713.6k $13.0m | Added +37.7k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 652.6k $11.9m | Added +30.4k |
| ROYCE & ASSOCIATES LP 0.12% of their portfolio | 639.2k $11.6m | Reduced -57.8k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 617.1k $11.2m | Reduced -56.0k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 596.4k $10.9m | Added +93.3k |
| Catalio Capital Management, LP 2.18% of their portfolio | 569.7k $10.4m | New |
| Calamos Advisors LLC 0.04% of their portfolio | 537.3k $9.8m | Added +3.5k |
| Aberdeen Group plc 0.02% of their portfolio | 531.8k $9.7m | New |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 498.7k $9.1m | Added +665 |
| Trexquant Investment LP 0.10% of their portfolio | 495.6k $9.0m | Added +466.7k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 484.7k $8.8m | Added +176.5k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 459.9k $8.4m | Reduced -60.0k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.25% of their portfolio | 456.7k $8.3m | Added +53.5k |
| Swiss National Bank 0.00% of their portfolio | 454.0k $8.3m | Reduced -4.4k |
| PICTON MAHONEY ASSET MANAGEMENT 0.11% of their portfolio | 437.7k $8.0m | Added +305.1k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 428.3k $7.8m | Reduced -353.9k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.19% of their portfolio | 427.0k $7.8m | Added +17.5k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 427.0k $7.8m | Added +413.8k |
| ARDSLEY ADVISORY PARTNERS LP 1.19% of their portfolio | 400.0k $7.3m | Added +100.0k |
| Palisades Investment Partners, LLC 3.17% of their portfolio | 398.6k $7.3m | Reduced -11.8k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.38% of their portfolio | 390.6k $7.1m | Reduced -18.2k |
| Simplify Asset Management Inc. 0.42% of their portfolio | 381.1k $6.9m | Added +37.5k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 360.6k $6.6m | Reduced -755.5k |
| NATIXIS ADVISORS, LLC 0.01% of their portfolio | 358.2k $6.5m | Added +321.5k |
| RENAISSANCE GROUP LLC 0.24% of their portfolio | 343.6k $6.3m | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 325.9k $5.9m | Added +28.0k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 312.8k $5.7m | Added +38.4k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 312.2k $5.7m | Reduced -7.2k |
| ExodusPoint Capital Management, LP 0.07% of their portfolio | 309.0k $5.6m | New |
| OSTERWEIS CAPITAL MANAGEMENT INC 0.26% of their portfolio | 296.5k $5.4m | New |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 289.2k $5.3m | Added +41.7k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 287.7k $5.2m | Added +180.5k |
| MARATHON CAPITAL MANAGEMENT 1.32% of their portfolio | 283.7k $5.2m | Added +128.6k |
| TWINBEECH CAPITAL LP 0.12% of their portfolio | 283.3k $5.2m | New |
| SEGALL BRYANT & HAMILL, LLC 0.07% of their portfolio | 277.7k $5.1m | Reduced -18.7k |
| Lisanti Capital Growth, LLC 1.39% of their portfolio | 276.0k $5.0m | Reduced -32.5k |
| ALGERT GLOBAL LLC 0.10% of their portfolio | 275.0k $5.0m | Added +89.1k |
| WINTON GROUP Ltd 0.25% of their portfolio | 272.8k $5.0m | Added +205.1k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 272.5k $5.0m | Unchanged |
| Rafferty Asset Management, LLC 0.02% of their portfolio | 265.9k $4.8m | Added +42.6k |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 253.5k $4.6m | Reduced -5.9k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% of their portfolio | 245.3k $4.5m | Reduced -10.0k |
| DekaBank Deutsche Girozentrale 0.00% of their portfolio | 236.2k $1.7m | Unchanged |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 222.5k $4.1m | Added +571 |
| PFG Investments, LLC 0.23% of their portfolio | 215.5k $3.9m | Reduced -7.3k |