| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Deerfield Management Co | 19.99M (70.91%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 2 | FMR Inc | 7.62M (27.03%) | 1.49K Increased by +0.02% | Sep 30, 23 |
| 3 | Bain Capital Life Sciences Investors, LLC | 3.58M (12.69%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 4 | Perceptive Advisors LLC | 2.46M (8.74%) | 268.63K Increased by +10.90% | Sep 30, 23 |
| 5 | Fairmount Funds Management LLC | 2.45M (8.70%) | -432.67K Decreased by -17.65% | Sep 30, 23 |
| 6 | BlackRock Inc | 2.43M (8.62%) | 33.12K Increased by +1.36% | Sep 30, 23 |
| 7 | Vanguard Group Inc | 2.13M (7.57%) | 15.72K Increased by +0.74% | Sep 30, 23 |
| 8 | Paradigm Biocapital Advisors LP | 1.64M (5.81%) | 517.68K Increased by +31.60% | Sep 30, 23 |
| 9 | Wellington Management Company LLP | 1.56M (5.52%) | -180.12K Decreased by -11.57% | Sep 30, 23 |
| 10 | State Street Corporation | 1.26M (4.47%) | 92.48K Increased by +7.34% | Sep 30, 23 |
| 11 | Driehaus Capital Management LLC | 1.24M (4.40%) | -201.33K Decreased by -16.24% | Sep 30, 23 |
| 12 | Boxer Capital LLC | 1.21M (4.29%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 13 | COMMODORE CAPITAL LP | 828.78K (2.94%) | -321.22K Decreased by -38.76% | Sep 30, 23 |
| 14 | venBio Select Advisor LLC | 812.50K (2.88%) | -787.50K Decreased by -96.92% | Sep 30, 23 |
| 15 | T. Rowe Price Associates, Inc. | 806.94K (2.86%) | 231.26K Increased by +28.66% | Sep 30, 23 |
| 16 | Geode Capital Management, LLC | 545.35K (1.93%) | 16.86K Increased by +3.09% | Sep 30, 23 |
| 17 | Candriam Luxembourg S.C.A. | 350.02K (1.24%) | 70.00K Increased by +20.00% | Sep 30, 23 |
| 18 | D. E. Shaw & Co LP | 317.28K (1.13%) | 24.48K Increased by +7.72% | Sep 30, 23 |
| 19 | Ikarian Capital, LLC | 278.03K (0.99%) | 5.28K Increased by +1.90% | Sep 30, 23 |
| 20 | ArrowMark Colorado Holdings, LLC (ArrowMark Partners) | 269.76K (0.96%) | -112.67K Decreased by -41.76% | Sep 30, 23 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity Growth Compy Commingled Pl O | 2.34M (8.32%) | 57.96K Increased by +2.47% | Nov 30, 23 |
| 2 | Fidelity® Growth Company | 1.60M (5.68%) | 36.30K Increased by +2.27% | Nov 30, 23 |
| 3 | SPDR® S&P Biotech ETF | 1.13M (4.02%) | -9.58K Decreased by -0.85% | Dec 29, 23 |
| 4 | Vanguard Total Stock Mkt Idx Inv | 1.07M (3.80%) | 1.70K Increased by +0.16% | Nov 30, 23 |
| 5 | iShares Russell 2000 ETF | 709.52K (2.52%) | 4.51K Increased by +0.64% | Dec 29, 23 |
| 6 | Fidelity Select Health Care | 633.60K (2.25%) | 5.30K Increased by +0.84% | Nov 30, 23 |
| 7 | Fidelity® Select Health Care | 628.30K (2.23%) | 28.30K Increased by +4.50% | Oct 31, 23 |
| 8 | Fidelity® Growth Company K6 | 617.41K (2.19%) | 540.00 Increased by +0.09% | Nov 30, 23 |
| 9 | Fidelity® Small Cap Growth | 549.27K (1.95%) | -667.00 Decreased by -0.12% | Oct 31, 23 |
| 10 | Fidelity® Series Growth Company | 472.26K (1.68%) | 10.13K Increased by +2.15% | Nov 30, 23 |
| 11 | Vanguard Institutional Extnd Mkt Idx Tr | 455.93K (1.62%) | 4.61K Increased by +1.01% | Nov 30, 23 |
| 12 | Vanguard Small Cap Index | 441.97K (1.57%) | 1.37K Increased by +0.31% | Nov 30, 23 |
| 13 | Fidelity Advisor® Health Care I | 422.40K (1.50%) | 3.40K Increased by +0.80% | Nov 30, 23 |
| 14 | Lord Abbett Developing Growth A | 354.90K (1.26%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 15 | Fidelity Advisor® Growth Opps M | 338.98K (1.20%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 16 | Fidelity Advisor® Biotechnology I | 337.56K (1.20%) | 1.00K Increased by +0.30% | Nov 30, 23 |
| 17 | Belfius Equities Cure C Cap | 325.00K (1.15%) | -30.00K Decreased by -9.23% | Sep 30, 23 |
| 18 | Candriam Global Equities Oncology | 325.00K (1.15%) | 45.00K Increased by +13.85% | Sep 30, 23 |
| 19 | Vanguard Small Cap Value Index Inv | 308.57K (1.09%) | 1.93K Increased by +0.62% | Nov 30, 23 |
| 20 | US Small-Cap Growth II Equity Comp | 283.03K (1.00%) | 283.03K Increased by +100.00% | Jun 30, 23 |