Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
344 institutional managers reported holding ADMA for the quarter ended Mar 31, 2026. Together they hold about 88% of shares outstanding; the top 10 hold 48%. 64 opened new positions; 68 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 36.83M | 15.35% | $331.1M | added +1.4% | 2015 Q2 |
| Vanguard Group | 21.19M | 8.83% | $190.5M | added +1.6% | 2015 Q2 |
| State Street | 14.08M | 5.87% | $126.6M | added +3.6% | 2018 Q2 |
| Capital Research Global Investors | 11.19M | 4.66% | $100.6M | added +68.6% | 2025 Q3 |
| Nuveen | 6.10M | 2.54% | $54.8M | added +2.9% | 2019 Q2 |
| Geode Capital | 5.82M | 2.43% | $52.4M | unchanged | 2016 Q3 |
| Citadel Advisors | 5.81M | 2.42% | $52.2M | added +281.6% | 2019 Q2 |
| Dimensional Fund Advisors | 5.01M | 2.09% | $45.0M | added +3.5% | 2020 Q3 |
| American Century Companies INC | 4.79M | 2.00% | $43.1M | trimmed -7.9% | 2023 Q1 |
| Caligan Partners LP (focused) | 4.76M | 1.98% | $42.8M | added +57.9% | 2025 Q3 |
| Invesco | 4.12M | 1.72% | $37.0M | trimmed -65% | 2021 Q4 |
| Bank OF America CORP /DE/ | 4.00M | 1.67% | $35.9M | added +107.5% | 2015 Q4 |
| Millennium Management | 3.43M | 1.43% | $30.9M | added +412.9% | 2019 Q3 |
| Point72 | 3.29M | 1.37% | $29.6M | added +735% | 2022 Q4 |
| B Group, INC. (focused) | 3.21M | 1.34% | $28.8M | added +30.5% | 2024 Q4 |
| Jane Street | 3.05M | 1.27% | $27.4M | added +564.3% | 2025 Q3 |
| Goldman Sachs | 2.80M | 1.17% | $25.2M | added +162.1% | 2017 Q4 |
| UBS | 2.54M | 1.06% | $22.9M | trimmed -48.8% | 2017 Q3 |
| Morgan Stanley | 2.43M | 1.01% | $21.9M | added +24.9% | 2014 Q4 |
| Franklin Resources | 2.34M | 0.98% | $21.1M | trimmed -16.1% | 2023 Q2 |
| Ranger Investment Management, L.p. | 2.28M | 0.95% | $20.5M | trimmed -0.7% | 2025 Q1 |
| Northern Trust | 2.28M | 0.95% | $20.5M | unchanged | 2017 Q1 |
| T. Rowe Price | 2.22M | 0.92% | $19.9M | added +2.6% | 2022 Q2 |
| Charles Schwab Investment Management | 2.10M | 0.87% | $18.8M | trimmed -7.2% | 2018 Q2 |
| Two Sigma | 2.09M | 0.87% | $18.8M | added +315% | 2022 Q2 |
| BNP Paribas Financial Markets | 1.91M | 0.80% | $17.2M | added +66.9% | 2019 Q1 |
| Qube Research & Technologies LTD | 1.83M | 0.76% | $16.4M | opened | 2021 Q1 |
| Rubric Capital Management LP | 1.81M | 0.75% | $16.3M | opened | 2026 Q1 |
| MetLife Investment Management, LLC | 1.74M | 0.72% | $15.6M | added +25.8% | 2022 Q2 |
| Federated Hermes, INC. | 1.70M | 0.71% | $15.3M | added +797% | 2022 Q3 |
| Fundsmith (focused) | 1.65M | 0.69% | $14.8M | trimmed -21.5% | 2025 Q4 |
| Duquesne Family Office | 1.55M | 0.64% | $13.9M | added +512.9% | 2025 Q4 |
| Principal Financial Group INC | 1.39M | 0.58% | $12.5M | trimmed -0.9% | 2020 Q2 |
| BNY Mellon | 1.36M | 0.56% | $12.2M | trimmed -3.4% | 2017 Q2 |
| Renaissance Technologies | 1.26M | 0.53% | $11.4M | trimmed -17.6% | 2021 Q2 |
| HRT Financial LP | 1.20M | 0.50% | $10.7M | opened | 2025 Q1 |
| Trexquant Investment LP | 1.14M | 0.48% | $10.3M | added +208.7% | 2024 Q2 |
| Y-Intercept (Hong Kong) LTD | 1.08M | 0.45% | $9.7M | added +1508.1% | 2024 Q2 |
| Susquehanna International Group | 1.02M | 0.43% | $9.2M | added +2882.4% | 2019 Q1 |
| Boothbay Fund Management, LLC | 991.9k | 0.41% | $8.9M | added +25.8% | 2025 Q3 |
| Deutsche Bank AG\ | 931.0k | 0.39% | $8.4M | trimmed -48.9% | 2018 Q2 |
| Royal Bank OF Canada | 929.3k | 0.39% | $8.4M | added +448.8% | 2017 Q1 |
| Public Sector Pension Investment Board | 851.4k | 0.35% | $7.7M | added +3.4% | 2024 Q3 |
| Next Century Growth Investors LLC | 774.4k | 0.32% | $7.0M | trimmed -29.6% | 2025 Q3 |
| Stonepine Capital Management, LLC | 740.0k | 0.31% | $6.7M | unchanged | 2021 Q4 |
| Russell Investments Group, LTD. | 711.7k | 0.30% | $6.4M | trimmed -32.6% | 2023 Q1 |
| Jupiter Asset Management LTD | 711.5k | 0.30% | $6.4M | opened | 2026 Q1 |
| Tudor Investment | 708.1k | 0.29% | $6.4M | added +790.6% | 2025 Q3 |
| Caption Management, LLC | 660.0k | 0.28% | $5.9M | opened | 2025 Q2 |
| Raymond James Financial INC | 651.0k | 0.27% | $5.9M | trimmed -35.8% | 2018 Q2 |
Largest 50 of 344 shown; the full ranked, searchable register is at boothcheck.com/holders/ADMA. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.