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 ($4.0m this quarter). Holder counts are more reliable. Shares outstanding: 238.0m as of 2025-11-03, 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 ≈ $18.23. Options: 12 managers hold calls ($68.1m notional), 11 hold puts ($37.0m).
Trends to Q4 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 |
| Q3 2025 | 366 |
| Q4 2025 | 357 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 136 | 71 |
| Q2 2024 | 142 | 103 |
| Q3 2024 | 193 | 134 |
| Q4 2024 | 182 | 162 |
| Q1 2025 | 188 | 148 |
| Q2 2025 | 228 | 162 |
| Q3 2025 | 161 | 224 |
| Q4 2025 | 189 | 180 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2025 | $67.2m | $16.3m | 0.24 |
| Q2 2025 | $53.0m | $31.2m | 0.59 |
| Q3 2025 | $69.2m | $32.9m | 0.48 |
| Q4 2025 | $68.1m | $37.0m | 0.54 |
Biggest buyers
| JANUS HENDERSON GROUP PLC | Added | +3.8m |
| Capital Research Global Investors | Added | +3.4m |
| UBS Group AG | Added | +2.6m |
| Sachem Head Capital Management LP | Added | +2.4m |
| Fundsmith LLP | New | +2.1m |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Added | +1.9m |
| BNP PARIBAS FINANCIAL MARKETS | Added | +1.1m |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | New | +1.0m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | New | +890.9k |
| BANK OF AMERICA CORP /DE/ | Added | +801.7k |
Biggest sellers
| OBERWEIS ASSET MANAGEMENT INC/ | Sold out | -2.7m |
| Perpetual Ltd | Sold out | -2.1m |
| GOLDMAN SACHS GROUP INC | Reduced | -1.8m |
| MACQUARIE GROUP LTD | Sold out | -1.4m |
| Ophir Asset Management Pty Ltd | Sold out | -1.3m |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -1.2m |
| ROYAL BANK OF CANADA | Reduced | -1.2m |
| First Light Asset Management, LLC | Sold out | -1.1m |
| Allspring Global Investments Holdings, LLC | Reduced | -1.1m |
| TANG CAPITAL MANAGEMENT LLC | Sold out | -1.1m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $28.5m1.6m shares |
| GROUP ONE TRADING LLC | Reduced | $8.4m461.6k shares |
| Caption Management, LLC | Added | $5.7m312.5k shares |
| JANE STREET GROUP, LLC | Reduced | $5.0m276.5k shares |
| CITADEL ADVISORS LLC | Reduced | $4.8m261.3k shares |
| Squarepoint Ops LLC | Reduced | $4.3m234.4k shares |
| SIMPLEX TRADING, LLC | Added | $4.0m220.9k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $2.9m156.8k shares |
| IMC-Chicago, LLC | Added | $2.2m120.2k shares |
| Point72 Asset Management, L.P. | New | $860.9k47.2k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $24.7m1.4m shares |
| CITADEL ADVISORS LLC | Reduced | $2.0m110.6k shares |
| MILLENNIUM MANAGEMENT LLC | New | $1.8m100.0k shares |
| IMC-Chicago, LLC | Added | $1.7m90.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.4m78.4k shares |
| BANK OF MONTREAL /CAN/ | New | $1.3m69.8k shares |
| JANE STREET GROUP, LLC | Reduced | $1.1m62.2k shares |
| 683 Capital Management, LLC | New | $912.0k50.0k shares |
| Caption Management, LLC | Reduced | $912.0k50.0k shares |
| GROUP ONE TRADING LLC | Reduced | $736.9k40.4k 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 Q4 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 |
|---|---|---|---|---|---|
| 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 |
| Q3 2025 | 0 | — | 1 | $1.1m | $1.1m |
| Q4 2025 | 0 | — | 1 | $1.1m | $1.1m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-12-15 | Grossman Adam S President and CEO, director | Sold plan | $415.6k21.0k shares |
| 2025-11-19 | Grossman Adam S President and CEO, director | Sold plan | $336.0k21.0k shares |
| 2025-10-24 | Grossman Adam S President and CEO, director | Sold plan | $336.0k21.0k 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, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 36.3m $662.7m | Added +701.6k |
| VANGUARD GROUP INC 0.01% of their portfolio | 20.9m $380.4m | Reduced -120.3k |
| STATE STREET CORP 0.01% of their portfolio | 13.6m $248.0m | Added +35.6k |
| Invesco Ltd. 0.02% of their portfolio | 11.8m $215.0m | Reduced -720.3k |
| Sachem Head Capital Management LP 4.86% of their portfolio | 11.4m $207.5m | Added +2.4m |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.53% of their portfolio | 7.0m $127.6m | Added +1.9m |
| Capital Research Global Investors 0.02% of their portfolio | 6.6m $121.1m | Added +3.4m |
| Nuveen, LLC 0.03% of their portfolio | 5.9m $108.1m | Added +202.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 5.8m $106.4m | Added +17.2k |
| AMERICAN CENTURY COMPANIES INC 0.05% of their portfolio | 5.2m $94.8m | Added +502.5k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 4.8m $88.2m | Added +37.4k |
| UBS Group AG 0.02% of their portfolio | 4.6m $83.3m | Added +2.6m |
| JANUS HENDERSON GROUP PLC 0.03% of their portfolio | 3.9m $71.8m | Added +3.8m |
| Thrivent Financial for Lutherans 0.12% of their portfolio | 3.8m $69.1m | Reduced -351.3k |
| Caligan Partners LP 5.03% of their portfolio | 3.0m $54.9m | Added +375.9k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 2.8m $51.0m | Reduced -44.3k |
| B Group, Inc. 33.22% of their portfolio | 2.5m $44.8m | Added +45.0k |
| Ranger Investment Management, L.P. 2.88% of their portfolio | 2.3m $42.0m | Reduced -39.8k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 2.3m $41.3m | Reduced -93.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 2.3m $41.2m | Reduced -103.1k |
| AWM Investment Company, Inc. 3.87% of their portfolio | 2.2m $40.1m | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 2.2m $39.4m | Added +4.9k |
| Fundsmith LLP 0.22% of their portfolio | 2.1m $38.3m | New |
| VOYA INVESTMENT MANAGEMENT LLC 0.04% of their portfolio | 2.0m $36.7m | Added +557.9k |
| MORGAN STANLEY 0.00% of their portfolio | 1.9m $35.5m | Added +490.2k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.9m $35.1m | Added +801.7k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 1.8m $33.3m | Added +105.0k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.04% of their portfolio | 1.6m $28.3m | First filing |
| RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio | 1.5m $28.0m | Reduced -1.2m |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 1.5m $27.8m | Reduced -596.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 1.4m $25.6m | Added +80.3k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 1.4m $25.6m | Reduced -20.2k |
| MetLife Investment Management, LLC 0.12% of their portfolio | 1.4m $25.2m | Added +71.6k |
| PFM Health Sciences, LP 2.35% of their portfolio | 1.3m $23.2m | Added +89.9k |
| ROYCE & ASSOCIATES LP 0.23% of their portfolio | 1.2m $22.5m | Added +302.4k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 1.1m $20.8m | Added +1.1m |
| NEXT CENTURY GROWTH INVESTORS LLC 1.39% of their portfolio | 1.1m $20.1m | Added +705.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.1m $19.5m | Reduced -1.8m |
| Russell Investments Group, Ltd. 0.02% of their portfolio | 1.1m $19.3m | Reduced -181.1k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.07% of their portfolio | 1.0m $18.7m | New |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 1.0m $18.5m | Reduced -238.1k |
| Aberdeen Group plc 0.03% of their portfolio | 963.9k $17.6m | Reduced -152.4k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.05% of their portfolio | 890.9k $16.2m | New |
| PERCEPTIVE ADVISORS LLC 0.30% of their portfolio | 883.5k $16.1m | Reduced -270.0k |
| Public Sector Pension Investment Board 0.05% of their portfolio | 823.7k $15.0m | Reduced -107.1k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.37% of their portfolio | 788.4k $14.4m | Added +15.2k |
| Stonepine Capital Management, LLC 10.68% of their portfolio | 740.0k $13.5m | Added +1.0k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.26% of their portfolio | 677.6k $12.4m | Added +133.4k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 669.7k $12.2m | Added +384.8k |
| Legal & General Group Plc 0.00% of their portfolio | 663.4k $12.1m | Reduced -30.8k |
| BARCLAYS PLC 0.00% of their portfolio | 649.1k $11.8m | Reduced -114.8k |
| Holocene Advisors, LP 0.02% of their portfolio | 629.3k $11.5m | New |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 613.3k $11.2m | Reduced -37.3k |
| Catalio Capital Management, LP 1.82% of their portfolio | 564.5k $10.3m | Reduced -120.0k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 557.2k $10.2m | Added +224.5k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 552.0k $10.1m | Added +30.1k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 504.2k $9.2m | Reduced -393.9k |
| Allspring Global Investments Holdings, LLC 0.01% of their portfolio | 490.1k $8.8m | Reduced -1.1m |
| RENAISSANCE GROUP LLC 0.35% of their portfolio | 475.7k $8.7m | Reduced -40.9k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.26% of their portfolio | 471.5k $8.6m | Reduced -59.1k |
| Swiss National Bank 0.01% of their portfolio | 470.6k $8.6m | Added +7.8k |
| MARATHON CAPITAL MANAGEMENT 1.83% of their portfolio | 465.3k $8.5m | Reduced -1.3k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 459.4k $8.4m | Reduced -272.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 411.1k $7.5m | Added +59.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 400.0k $7.3m | Added +9.2k |
| Point72 Asset Management, L.P. 0.01% of their portfolio | 393.9k $7.2m | Reduced -928.1k |
| Chevy Chase Trust Holdings, LLC 0.02% of their portfolio | 383.6k $7.0m | Reduced -11.0k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 381.8k $7.0m | Reduced -131.5k |
| Trexquant Investment LP 0.06% of their portfolio | 370.8k $6.8m | Reduced -46.5k |
| KORNITZER CAPITAL MANAGEMENT INC /KS 0.14% of their portfolio | 356.9k $6.5m | Reduced -3.1k |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 325.4k $5.9m | Reduced -116.5k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 306.2k $5.6m | Added +31.0k |
| FMR LLC 0.00% of their portfolio | 302.2k $5.5m | Reduced -430.4k |
| FINDELL CAPITAL MANAGEMENT LLC 1.82% of their portfolio | 300.0k $5.5m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 299.1k $5.5m | Reduced -624.3k |
| LPL Financial LLC 0.00% of their portfolio | 296.2k $5.4m | Added +93.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 294.6k $5.4m | Added +13.4k |
| Calamos Advisors LLC 0.02% of their portfolio | 292.4k $5.3m | Added +159.5k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.29% of their portfolio | 291.9k $5.3m | Reduced -31.7k |
| Rafferty Asset Management, LLC 0.02% of their portfolio | 291.2k $5.3m | Reduced -65.0k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 289.5k $5.3m | Reduced -224.5k |
| OP Asset Management Ltd 0.06% of their portfolio | 271.2k $4.9m | Added +157.6k |
| Vident Advisory, LLC 0.05% of their portfolio | 270.5k $4.9m | Added +52.7k |
| Duquesne Family Office LLC 0.11% of their portfolio | 252.2k $4.6m | New |
| Brevan Howard Capital Management LP 0.09% of their portfolio | 246.8k $4.5m | New |
| ALGERT GLOBAL LLC 0.07% of their portfolio | 237.0k $4.3m | Added +183.9k |
| DekaBank Deutsche Girozentrale 0.00% of their portfolio | 236.2k $1.7m | Unchanged |
| Ikarian Capital, LLC 0.55% of their portfolio | 234.9k $4.3m | Added +75.0k |
| PICTON MAHONEY ASSET MANAGEMENT 0.05% of their portfolio | 230.8k $4.2m | Reduced -133.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 225.1k $4.1m | Reduced -202 |
| Homestead Advisers Corp 0.11% of their portfolio | 220.6k $4.0m | Added +22.1k |
| PFG Investments, LLC 0.18% of their portfolio | 214.0k $3.9m | Reduced -7.5k |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 206.2k $3.8m | Reduced -45.7k |
| Parkman Healthcare Partners LLC 0.35% of their portfolio | 200.0k $3.6m | New |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 197.0k $3.6m | Reduced -14.8k |
| GROUP ONE TRADING LLC 0.10% of their portfolio | 191.3k $3.5m | New |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 189.7k $3.5m | Reduced -331.4k |
| Bridgewater Associates, LP 0.01% of their portfolio | 186.5k $3.4m | Added +126.2k |
| Cetera Investment Advisers 0.00% of their portfolio | 183.4k $3.3m | Added +7.8k |
| Corient Private Wealth LP 0.00% of their portfolio | 182.7k $3.3m | Added +124.9k |