| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Perceptive Advisors LLC | 4.54M (12.71%) | 578.83K Increased by +12.74% | Dec 31, 23 |
| 2 | FMR Inc | 4.38M (12.24%) | -158.18K Decreased by -3.61% | Dec 31, 23 |
| 3 | NEA Management Company, LLC | 3.75M (10.47%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 4 | Paradigm Biocapital Advisors LP | 3.66M (10.23%) | 705.50K Increased by +19.28% | Dec 31, 23 |
| 5 | SR ONE CAPITAL MANAGEMENT, LP | 3.15M (8.80%) | -800.00K Decreased by -25.42% | Dec 31, 23 |
| 6 | BlackRock Inc | 3.02M (8.44%) | 310.88K Increased by +10.30% | Dec 31, 23 |
| 7 | Suvretta Capital Management, LLC | 2.44M (6.81%) | -433.99K Decreased by -17.82% | Dec 31, 23 |
| 8 | Vanguard Group Inc | 2.06M (5.77%) | 23.26K Increased by +1.13% | Dec 31, 23 |
| 9 | State Street Corporation | 1.77M (4.96%) | -240.41K Decreased by -13.55% | Dec 31, 23 |
| 10 | Cormorant Asset Management, LLC | 1.70M (4.75%) | -450.00K Decreased by -26.47% | Dec 31, 23 |
| 11 | HHG PLC | 1.54M (4.30%) | -237.23K Decreased by -15.42% | Dec 31, 23 |
| 12 | T. Rowe Price Associates, Inc. | 1.26M (3.52%) | 323.31K Increased by +25.66% | Dec 31, 23 |
| 13 | Lord, Abbett & Co LLC | 1.20M (3.35%) | 98.53K Increased by +8.23% | Dec 31, 23 |
| 14 | Novo A/S | 1.07M (3.01%) | 75.00K Increased by +6.98% | Sep 30, 23 |
| 15 | T. Rowe Price Investment Management,Inc. | 922.40K (2.58%) | 12.22K Increased by +1.32% | Dec 31, 23 |
| 16 | Geode Capital Management, LLC | 785.40K (2.20%) | 46.35K Increased by +5.90% | Dec 31, 23 |
| 17 | Deep Track Capital, LP | 725.14K (2.03%) | 725.14K Increased by +100.00% | Dec 31, 23 |
| 18 | Goldman Sachs Group Inc | 711.39K (1.99%) | -163.47K Decreased by -22.98% | Dec 31, 23 |
| 19 | Morgan Stanley - Brokerage Accounts | 673.28K (1.88%) | 568.03K Increased by +84.37% | Dec 31, 23 |
| 20 | Soleus Capital Management, L.P. | 643.78K (1.80%) | -358.22K Decreased by -55.64% | Sep 30, 23 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 1.27M (3.55%) | 96.75K Increased by +7.61% | Mar 31, 24 |
| 2 | Fidelity Select Biotechnology | 1.27M (3.55%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 3 | Fidelity® Select Biotechnology | 1.19M (3.33%) | -167.40K Decreased by -14.04% | Nov 30, 23 |
| 4 | SPDR® S&P Biotech ETF | 999.70K (2.80%) | -13.32K Decreased by -1.33% | Apr 30, 24 |
| 5 | iShares Russell 2000 ETF | 894.50K (2.50%) | -7.14K Decreased by -0.80% | Apr 30, 24 |
| 6 | Lord Abbett Developing Growth A | 694.25K (1.94%) | 0.00 Increased by 0.00% | Feb 29, 24 |
| 7 | Vanguard Institutional Extnd Mkt Idx Tr | 521.16K (1.46%) | 51.37K Increased by +9.86% | Mar 31, 24 |
| 8 | Janus Henderson Global Life Sciences | 485.87K (1.36%) | 11.61K Increased by +2.39% | Mar 31, 24 |
| 9 | Janus Henderson Global Life Sciences D | 483.63K (1.35%) | 9.38K Increased by +1.94% | Feb 29, 24 |
| 10 | T. Rowe Price New Horizons | 468.63K (1.31%) | -3.49K Decreased by -0.74% | Mar 31, 24 |
| 11 | US Small-Cap Growth II Equity Comp | 468.63K (1.31%) | -3.49K Decreased by -0.74% | Mar 31, 24 |
| 12 | UBS: US Equity Small Cap Growth | 444.31K (1.24%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 13 | Fidelity Growth Compy Commingled Pl O | 422.71K (1.18%) | 354.51K Increased by +83.87% | Mar 31, 24 |
| 14 | Fidelity Select Health Care | 400.00K (1.12%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 15 | Candriam Global Equities Oncology | 398.00K (1.11%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 16 | T. Rowe Price Small-Cap Stock | 393.50K (1.10%) | 15.80K Increased by +4.02% | Mar 31, 24 |
| 17 | T. Rowe Price US Small-Cap Core Equity | 393.50K (1.10%) | 15.80K Increased by +4.02% | Mar 31, 24 |
| 18 | Fidelity Small Cap Growth | 392.79K (1.10%) | -620.00 Decreased by -0.16% | Feb 29, 24 |
| 19 | Fidelity Small Cap Index | 392.03K (1.10%) | 4.04K Increased by +1.03% | Feb 29, 24 |
| 20 | Fidelity® Small Cap Growth | 383.78K (1.07%) | -466.00 Decreased by -0.12% | Oct 31, 23 |