| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Bain Capital Life Sciences Investors, LLC | 9.68M (13.61%) | 6.92M Increased by +71.47% | Jun 30, 25 |
| 2 | Adage Capital Partners Gp LLC | 8.83M (12.42%) | 5.20M Increased by +58.84% | Jun 30, 25 |
| 3 | T. Rowe Price Investment Management,Inc. | 6.79M (9.55%) | 2.82M Increased by +41.56% | Jun 30, 25 |
| 4 | Jennison Associates LLC | 6.02M (8.47%) | 3.59M Increased by +59.57% | Jun 30, 25 |
| 5 | Cormorant Asset Management, LLC | 5.00M (7.03%) | 5.00M Increased by +100.00% | Jun 30, 25 |
| 6 | Alyeska Investment Group, L.P. | 4.80M (6.75%) | 4.80M Increased by +100.00% | Jun 30, 25 |
| 7 | State Street Corporation | 3.74M (5.26%) | 1.15M Increased by +30.66% | Mar 31, 24 |
| 8 | Vanguard Group Inc | 3.45M (4.85%) | 606.49K Increased by +17.58% | Jun 30, 25 |
| 9 | Heights Capital Management Inc | 3.14M (4.42%) | 3.14M Increased by +100.00% | Jun 30, 25 |
| 10 | Alkeon Capital Management, LLC | 2.62M (3.68%) | 2.12M Increased by +80.90% | Jun 30, 24 |
| 11 | T. Rowe Price Associates, Inc. | 2.19M (3.08%) | 1.70M Increased by +77.63% | Jun 30, 25 |
| 12 | Jefferies Financial Group Inc | 2.00M (2.81%) | 2.00M Increased by +100.00% | Jun 30, 25 |
| 13 | Burkehill Global Management, LP | 1.90M (2.67%) | 1.90M Increased by +100.00% | Jun 30, 25 |
| 14 | Anson Funds Management LP | 1.82M (2.56%) | 1.82M Increased by +100.00% | Jun 30, 25 |
| 15 | Redmile Group, LLC | 1.77M (2.49%) | 403.95K Increased by +22.77% | Sep 30, 23 |
| 16 | Citadel Advisors Llc | 1.69M (2.37%) | 1.69M Increased by +99.98% | Jun 30, 25 |
| 17 | Baker Bros Advisors LP | 1.59M (2.24%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 18 | VR Adviser, LLC | 1.56M (2.20%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 19 | Sofinnova Ventures | 1.53M (2.16%) | 313.48K Increased by +20.44% | Sep 30, 24 |
| 20 | Schonfeld Strategic Advisors LLC | 1.48M (2.09%) | -177.56K Decreased by -11.96% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Jennison Health Sciences Equity | 3.52M (4.95%) | 2.14M Increased by +60.81% | Jun 30, 25 |
| 2 | PGIM Jennison Health Sciences Z | 3.52M (4.95%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 3 | T. Rowe Price Small-Cap Value | 3.31M (4.66%) | -251.61K Decreased by -7.59% | Jul 31, 25 |
| 4 | Vanguard Total Stock Mkt Idx Inv | 2.56M (3.60%) | -56.45K Decreased by -2.21% | Jul 31, 25 |
| 5 | T. Rowe Price U.S. SC Value Eq Tr-D | 2.10M (2.95%) | 1.04M Increased by +49.37% | Jun 30, 25 |
| 6 | T. Rowe Price Health Sciences | 1.69M (2.38%) | -253.05K Decreased by -14.96% | Jul 31, 25 |
| 7 | Vanguard US Total Market Shares ETF | 1.40M (1.97%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 8 | Jennison SMid Cap Core Equity | 1.29M (1.81%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 9 | PGIM Jennison Small Company A | 1.29M (1.81%) | 0.00 Increased by 0.00% | Oct 31, 24 |
| 10 | Polar Capital Biotech S Inc | 1.25M (1.76%) | 0.00 Increased by 0.00% | Jul 31, 24 |
| 11 | iShares Russell 2000 ETF | 1.17M (1.65%) | 0.00 Increased by 0.00% | May 31, 25 |
| 12 | SPDR® S&P Biotech ETF | 1.13M (1.59%) | 3.92K Increased by +0.35% | Aug 30, 24 |
| 13 | Alger Small Cap Focus Composite | 1.08M (1.51%) | -561.71K Decreased by -52.18% | Jan 31, 25 |
| 14 | Alger Small Cap Focus I | 1.08M (1.51%) | -561.71K Decreased by -52.18% | Jan 31, 25 |
| 15 | T. Rowe Price U.S. SC Value Eq Tr-Z | 1.06M (1.50%) | 1.82K Increased by +0.17% | Mar 31, 25 |
| 16 | UBS: US Equity Small Cap Growth | 959.98K (1.35%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 17 | T. Rowe Price US Smlr Coms Eq A | 791.60K (1.11%) | -10.16K Decreased by -1.28% | Jul 31, 25 |
| 18 | T. Rowe Price US Smlr Cm Eq A USD | 714.39K (1.00%) | -36.66K Decreased by -5.13% | Apr 30, 25 |
| 19 | T. Rowe Price Small-Cap Stock | 675.76K (0.95%) | 61.28K Increased by +9.07% | Jun 30, 24 |
| 20 | T. Rowe Price US Small-Cap Core Equity | 675.76K (0.95%) | 61.28K Increased by +9.07% | Jun 30, 24 |