| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Cadian Capital Management LP | 11.09M (11.95%) | -643.47K Decreased by -5.80% | Dec 31, 25 |
| 2 | Wellington Management Company LLP | 10.22M (11.02%) | -212.28K Decreased by -2.08% | Mar 31, 25 |
| 3 | BlackRock Inc | 9.31M (10.04%) | -62.46K Decreased by -0.67% | Sep 30, 25 |
| 4 | Vanguard Group Inc | 8.91M (9.61%) | -2.05M Decreased by -23.03% | Dec 31, 25 |
| 5 | JPMorgan Chase & Co | 8.00M (8.62%) | 4.91M Increased by +61.33% | Sep 30, 25 |
| 6 | Morgan Stanley - Brokerage Accounts | 7.98M (8.60%) | -73.89K Decreased by -0.93% | Sep 30, 25 |
| 7 | Durable Capital Partners LP | 6.42M (6.92%) | 6.42M Increased by +100.00% | Jun 30, 25 |
| 8 | FMR Inc | 6.42M (6.92%) | 3.21M Increased by +50.06% | Jun 30, 25 |
| 9 | Rubicon Founders LLC | 5.82M (6.27%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 10 | Engaged Capital LLC | 5.56M (6.00%) | -100.00K Decreased by -1.80% | Dec 31, 25 |
| 11 | D. E. Shaw & Co LP | 5.27M (5.68%) | 2.53M Increased by +48.04% | Dec 31, 25 |
| 12 | William Blair Investment Management, LLC | 4.32M (4.66%) | -79.05K Decreased by -1.83% | Jun 30, 25 |
| 13 | Eventide Asset Management, LLC | 4.09M (4.40%) | -1.99M Decreased by -48.70% | Jun 30, 25 |
| 14 | RA Capital Management, LLC | 3.58M (3.86%) | -4.94M Decreased by -138.03% | Dec 31, 24 |
| 15 | UBS Group AG | 3.40M (3.67%) | 590.66K Increased by +17.36% | Sep 30, 25 |
| 16 | Goldman Sachs Group Inc | 3.10M (3.34%) | 265.95K Increased by +8.57% | Jun 30, 25 |
| 17 | Camber Capital Management LLC | 3.00M (3.23%) | -1.00M Decreased by -33.33% | Mar 31, 25 |
| 18 | State Street Corp | 2.97M (3.21%) | 1.62K Increased by +0.05% | Sep 30, 25 |
| 19 | Geode Capital Management, LLC | 2.76M (2.97%) | 89.39K Increased by +3.24% | Sep 30, 25 |
| 20 | Rock Springs Capital Management LP | 2.67M (2.88%) | -275.00K Decreased by -10.28% | Dec 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Health Care Inv | 6.78M (7.30%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 2 | Eventide Gilead N | 3.90M (4.20%) | 1.92M Increased by +49.23% | Sep 30, 25 |
| 3 | Fidelity Small Cap Value Fund | 3.89M (4.20%) | 700.00K Increased by +17.98% | Jun 30, 25 |
| 4 | Vanguard US Total Market Shares ETF | 3.48M (3.75%) | 3.03K Increased by +0.09% | Sep 30, 24 |
| 5 | Vanguard Total Stock Mkt Idx Inv | 3.48M (3.75%) | 0.00 Increased by 0.00% | Jan 31, 26 |
| 6 | Vanguard Explorer Inv | 3.09M (3.33%) | 211.93K Increased by +6.86% | Sep 30, 24 |
| 7 | iShares Russell 2000 ETF | 2.92M (3.15%) | 1.15M Increased by +39.55% | Feb 28, 26 |
| 8 | Eventide Healthcare & Life Sciences I | 2.36M (2.54%) | 286.10K Increased by +12.14% | Sep 30, 25 |
| 9 | Bellevue Healthcare Ord | 1.92M (2.07%) | 1.92M Increased by +100.00% | Jul 31, 24 |
| 10 | Select Medical Tech and Devcs | 1.90M (2.05%) | -356.50K Decreased by -18.73% | Nov 30, 23 |
| 11 | JPMorgan Small Cap Growth A | 1.53M (1.65%) | -93.68K Decreased by -6.13% | Dec 31, 25 |
| 12 | JPM Global Healthcare C (acc) USD | 1.37M (1.48%) | -165.12K Decreased by -12.05% | Mar 31, 24 |
| 13 | Fidelity Select Medical Tech and Devcs | 1.34M (1.45%) | 653.88K Increased by +48.71% | Jul 31, 25 |
| 14 | CS (Lux) Digital Health Equity SB USD | 1.30M (1.40%) | -30.00K Decreased by -2.31% | Mar 31, 24 |
| 15 | Vanguard Small Cap Index | 1.27M (1.36%) | -1.55K Decreased by -0.12% | Jan 31, 26 |
| 16 | Vanguard Institutional Extnd Mkt Idx Tr | 1.23M (1.32%) | 6.62K Increased by +0.54% | Jan 31, 26 |
| 17 | Fidelity Select Health Care | 1.20M (1.30%) | 286.95K Increased by +23.83% | Jul 31, 25 |
| 18 | Worldwide Healthcare Ord | 1.20M (1.30%) | 0.00 Increased by 0.00% | Nov 30, 24 |
| 19 | Fidelity Advisor® Health Care I | 1.20M (1.30%) | -196.77K Decreased by -16.35% | Nov 30, 23 |
| 20 | Fidelity Small Cap Index | 1.15M (1.24%) | 211.22K Increased by +18.32% | Dec 31, 25 |