| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Associates, Inc. | 6.65M (15.11%) | 254.82K Increased by +3.83% | Sep 30, 24 |
| 2 | Baker Bros Advisors LP | 6.00M (13.63%) | 1.00 Increased by +0.00% | Sep 30, 24 |
| 3 | Bvf Inc | 5.16M (11.74%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 4 | FMR Inc | 5.11M (11.62%) | 282.30K Increased by +5.53% | Sep 30, 24 |
| 5 | Vanguard Group Inc | 4.75M (10.81%) | -68.65K Decreased by -1.44% | Sep 30, 24 |
| 6 | Wellington Management Company LLP | 4.62M (10.50%) | 308.95K Increased by +6.69% | Sep 30, 24 |
| 7 | venBio Select Advisor LLC | 4.50M (10.23%) | 611.11K Increased by +13.58% | Sep 30, 24 |
| 8 | BlackRock Inc | 4.16M (9.45%) | 499.77K Increased by +12.03% | Jun 30, 24 |
| 9 | Artal Group S A | 3.01M (6.83%) | -21.52K Decreased by -0.72% | Jun 30, 24 |
| 10 | State Street Corporation | 2.67M (6.08%) | 778.24K Increased by +29.12% | Mar 31, 24 |
| 11 | State Street Corp | 1.73M (3.93%) | -182.55K Decreased by -10.56% | Sep 30, 24 |
| 12 | Redmile Group, LLC | 1.39M (3.17%) | -186.02K Decreased by -13.35% | Sep 30, 24 |
| 13 | Driehaus Capital Management LLC | 1.33M (3.02%) | 1.11M Increased by +83.19% | Sep 30, 24 |
| 14 | T. Rowe Price Investment Management,Inc. | 1.30M (2.95%) | -314.55K Decreased by -24.27% | Dec 31, 23 |
| 15 | Geode Capital Management, LLC | 1.05M (2.39%) | -996.00 Decreased by -0.09% | Sep 30, 24 |
| 16 | Rock Springs Capital Management LP | 1.05M (2.39%) | -114.59K Decreased by -10.92% | Sep 30, 24 |
| 17 | Aquilo Capital Management, LLC | 881.34K (2.00%) | 99.12K Increased by +11.25% | Dec 31, 23 |
| 18 | Jennison Associates LLC | 797.68K (1.81%) | 368.39K Increased by +46.18% | Sep 30, 24 |
| 19 | Deep Track Capital, LP | 600.33K (1.36%) | -899.67K Decreased by -149.86% | Sep 30, 24 |
| 20 | Marshall Wace Asset Management Ltd | 572.93K (1.30%) | 572.93K Increased by +100.00% | Mar 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | US Small-Cap Growth II Equity Comp | 3.14M (7.14%) | 161.32K Increased by +5.14% | Sep 30, 24 |
| 2 | T. Rowe Price New Horizons | 3.14M (7.14%) | -2.04K Decreased by -0.06% | Oct 31, 24 |
| 3 | Fidelity Growth Compy Commingled Pl S | 2.26M (5.15%) | 16.07K Increased by +0.71% | Oct 31, 24 |
| 4 | Fidelity Growth Compy Commingled Pl O | 2.24M (5.08%) | 52.60K Increased by +2.35% | Aug 31, 24 |
| 5 | Vanguard Health Care Inv | 1.83M (4.15%) | 378.94K Increased by +20.76% | Sep 30, 24 |
| 6 | Fidelity Growth Company Fund | 1.65M (3.75%) | 0.00 Increased by 0.00% | Oct 31, 24 |
| 7 | Vanguard Total Stock Mkt Idx Inv | 1.53M (3.49%) | -9.61K Decreased by -0.63% | Oct 31, 24 |
| 8 | iShares Russell 2000 ETF | 1.26M (2.87%) | 0.00 Increased by 0.00% | Nov 30, 24 |
| 9 | Vanguard Small Cap Index | 1.21M (2.75%) | 2.35K Increased by +0.19% | Oct 31, 24 |
| 10 | T. Rowe Price Health Sciences | 1.20M (2.72%) | -1.26K Decreased by -0.11% | Oct 31, 24 |
| 11 | Vanguard Explorer Inv | 873.68K (1.99%) | -201.76K Decreased by -23.09% | Sep 30, 24 |
| 12 | T. Rowe Price New Horizons Tr-Z | 746.61K (1.70%) | 114.11K Increased by +15.28% | Sep 30, 24 |
| 13 | SPDR® S&P Biotech ETF | 714.54K (1.62%) | 10.16K Increased by +1.42% | Nov 30, 24 |
| 14 | Vanguard Institutional Extnd Mkt Idx Tr | 669.09K (1.52%) | -2.50K Decreased by -0.37% | Oct 31, 24 |
| 15 | Vanguard Small Cap Growth Index Inv | 664.98K (1.51%) | -1.78K Decreased by -0.27% | Oct 31, 24 |
| 16 | T. Rowe Price Integrated US Sm Gr Eq | 570.77K (1.30%) | 0.00 Increased by 0.00% | Oct 31, 24 |
| 17 | T. Rowe Price Integrated US SmCapGrEq | 570.77K (1.30%) | -14.64K Decreased by -2.56% | Sep 30, 24 |
| 18 | Fidelity® Select Biotechnology | 532.31K (1.21%) | -193.90K Decreased by -36.43% | Nov 30, 23 |
| 19 | Eventide Healthcare & Life Sciences I | 507.90K (1.15%) | 45.80K Increased by +9.02% | Sep 30, 24 |
| 20 | Fidelity Growth Company K6 | 496.43K (1.13%) | -16.07K Decreased by -3.24% | Oct 31, 24 |