| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | BlackRock Inc | 8.24M (10.42%) | -386.24K Decreased by -4.69% | Dec 31, 25 |
| 2 | Kynam Capital Management, LP | 8.05M (10.19%) | -469.04K Decreased by -5.83% | Dec 31, 25 |
| 3 | Vanguard Group Inc | 6.23M (7.88%) | 1.09M Increased by +17.52% | Dec 31, 25 |
| 4 | Goldman Sachs Group Inc | 5.80M (7.34%) | 1.88M Increased by +32.35% | Jun 30, 25 |
| 5 | The Goldman Sachs Group Inc | 5.70M (7.21%) | 208.94K Increased by +3.67% | Dec 31, 25 |
| 6 | Point72 Asset Management, L.P. | 4.88M (6.18%) | 627.01K Increased by +12.84% | Dec 31, 25 |
| 7 | State Street Corporation | 4.82M (6.10%) | -196.63K Decreased by -4.08% | Mar 31, 24 |
| 8 | Bank of America Corp | 4.71M (5.96%) | 1.01M Increased by +21.50% | Dec 31, 25 |
| 9 | State Street Corp | 4.60M (5.82%) | 743.00K Increased by +16.16% | Dec 31, 25 |
| 10 | Wellington Management Company LLP | 4.23M (5.36%) | -751.52K Decreased by -17.75% | Dec 31, 24 |
| 11 | Eversept Partners, LLC | 4.07M (5.14%) | -146.91K Decreased by -3.61% | Jun 30, 25 |
| 12 | Eversept Partners, LP | 3.31M (4.19%) | -152.91K Decreased by -4.61% | Dec 31, 25 |
| 13 | Citadel Advisors Llc | 2.91M (3.69%) | 1.83M Increased by +62.61% | Mar 31, 25 |
| 14 | Partner Fund Management LP | 2.72M (3.44%) | 542.80K Increased by +19.99% | Sep 30, 23 |
| 15 | Hudson Bay Capital Management LP | 2.47M (3.13%) | 2.00M Increased by +80.79% | Sep 30, 23 |
| 16 | T. Rowe Price Investment Management,Inc. | 2.46M (3.11%) | -252.02K Decreased by -10.25% | Mar 31, 24 |
| 17 | Paradigm Biocapital Advisors LP | 2.39M (3.02%) | -34.05K Decreased by -1.42% | Sep 30, 23 |
| 18 | Kingdon Capital Management LLC | 2.35M (2.97%) | -150.00K Decreased by -6.38% | Dec 31, 25 |
| 19 | Jennison Associates LLC | 2.35M (2.97%) | -174.24K Decreased by -7.42% | Sep 30, 23 |
| 20 | Hood River Capital Management LLC | 2.32M (2.93%) | 2.32M Increased by +100.00% | Dec 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Health Care Inv | 2.99M (3.78%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 2.76M (3.49%) | 20.45K Increased by +0.74% | Mar 31, 26 |
| 3 | State Street® SPDR® S&P® Biotech ETF | 2.62M (3.31%) | -18.61K Decreased by -0.71% | Apr 30, 26 |
| 4 | Vanguard US Total Market Shares ETF | 2.60M (3.29%) | 4.69K Increased by +0.18% | Sep 30, 24 |
| 5 | iShares Russell 2000 ETF | 2.02M (2.55%) | 17.01K Increased by +0.84% | Apr 30, 26 |
| 6 | SPDR® S&P Biotech ETF | 1.54M (1.94%) | 3.43K Increased by +0.22% | Aug 31, 25 |
| 7 | Eventide Healthcare & Life Sciences I | 1.24M (1.57%) | 249.06K Increased by +20.13% | Dec 31, 25 |
| 8 | Hood River Small-Cap Growth Instl | 1.21M (1.53%) | 1.21M Increased by +100.00% | Dec 31, 25 |
| 9 | Vanguard Institutional Extnd Mkt Idx Tr | 972.17K (1.23%) | 21.19K Increased by +2.18% | Mar 31, 26 |
| 10 | BNP Paribas US Small Cap ClassicC | 954.94K (1.21%) | 29.16K Increased by +3.05% | Mar 31, 26 |
| 11 | Belfius Equities Cure C Cap | 925.33K (1.17%) | 0.00 Increased by 0.00% | Nov 30, 25 |
| 12 | Franklin Biotechnology Discv A(acc)USD | 847.72K (1.07%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 13 | Fidelity Small Cap Index | 833.48K (1.05%) | 9.50K Increased by +1.14% | Feb 28, 26 |
| 14 | BlackRock Advantage Small Cap Core Instl | 776.42K (0.98%) | -160.18K Decreased by -20.63% | Jul 31, 25 |
| 15 | BNP Paribas Health Cr Innovtr Cl Cap | 770.92K (0.98%) | 174.67K Increased by +22.66% | Mar 31, 26 |
| 16 | Franklin Small Cap Growth Adv | 679.16K (0.86%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 17 | Franklin Small Cap Growth SMA | 679.16K (0.86%) | 679.11K Increased by +99.99% | Mar 31, 26 |
| 18 | Franklin US Small Cap Growth Equity | 679.16K (0.86%) | -15.02K Decreased by -2.21% | Mar 31, 26 |
| 19 | iShares Russell 2000 Growth ETF | 657.19K (0.83%) | 1.69K Increased by +0.26% | Apr 30, 26 |
| 20 | Fidelity® Small Cap Index | 634.70K (0.80%) | 15.84K Increased by +2.50% | Oct 31, 23 |