| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Rockefeller Capital Management L.P. | 7.15M (16.95%) | 6.98M Increased by +97.58% | Dec 31, 25 |
| 2 | FMR Inc | 6.82M (16.17%) | 5.18M Increased by +75.92% | Mar 31, 26 |
| 3 | Rubric Capital Management LP | 3.75M (8.89%) | 421.35K Increased by +11.24% | Mar 31, 26 |
| 4 | Vanguard Group Inc | 3.11M (7.38%) | 49.80K Increased by +1.60% | Dec 31, 25 |
| 5 | Baker Bros Advisors LP | 2.83M (6.70%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 6 | TANG CAPITAL MANAGEMENT LLC | 2.26M (5.36%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 7 | State Street Corporation | 1.89M (4.48%) | 342.45K Increased by +18.13% | Mar 31, 24 |
| 8 | Vanguard Portfolio Management, LLC | 1.77M (4.19%) | 1.77M Increased by +100.00% | Mar 31, 26 |
| 9 | Hillhouse Capital Advisors, Ltd. | 1.58M (3.75%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 10 | Acadian Asset Management LLC | 1.34M (3.17%) | 1.33M Increased by +99.76% | Mar 31, 26 |
| 11 | Vanguard Capital Management, LLC | 1.33M (3.16%) | 1.33M Increased by +100.00% | Mar 31, 26 |
| 12 | Fairmount Funds Management LLC | 1.32M (3.13%) | -453.15K Decreased by -34.34% | Dec 31, 25 |
| 13 | BRAIDWELL LP | 1.10M (2.61%) | -860.33K Decreased by -78.03% | Jun 30, 25 |
| 14 | Morgan Stanley - Brokerage Accounts | 997.79K (2.36%) | -362.26K Decreased by -36.31% | Mar 31, 26 |
| 15 | D. E. Shaw & Co LP | 959.26K (2.27%) | -282.36K Decreased by -29.44% | Mar 31, 26 |
| 16 | Arrowstreet Capital Limited Partnership | 892.67K (2.12%) | -175.55K Decreased by -19.67% | Mar 31, 26 |
| 17 | The Goldman Sachs Group Inc | 829.42K (1.97%) | 282.91K Increased by +34.11% | Dec 31, 25 |
| 18 | Millennium Management LLC | 825.28K (1.96%) | -188.84K Decreased by -22.88% | Dec 31, 25 |
| 19 | Dimensional Fund Advisors, Inc. | 811.92K (1.92%) | 128.42K Increased by +15.82% | Mar 31, 26 |
| 20 | Nuveen Asset Management, LLC | 795.61K (1.89%) | 54.36K Increased by +6.83% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 1.29M (3.07%) | 4.74K Increased by +0.37% | Apr 30, 26 |
| 2 | Vanguard US Total Market Shares ETF | 1.25M (2.96%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 3 | iShares Russell 2000 ETF | 971.72K (2.30%) | 0.00 Increased by 0.00% | May 31, 25 |
| 4 | Pictet Biotech | 965.39K (2.29%) | 965.39K Increased by +100.00% | Mar 31, 24 |
| 5 | Vanguard Small Cap Index | 950.95K (2.25%) | -4.07K Decreased by -0.43% | Apr 30, 26 |
| 6 | Fidelity Select Health Care | 820.00K (1.94%) | 20.00K Increased by +2.44% | Apr 30, 26 |
| 7 | Fidelity Select Biotechnology | 637.60K (1.51%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 8 | SPDR® S&P Biotech ETF | 608.73K (1.44%) | -18.36K Decreased by -3.02% | Jun 30, 24 |
| 9 | Strategic Advisers Fidelity US TtlStk | 586.98K (1.39%) | 25.00K Increased by +4.26% | Apr 30, 26 |
| 10 | Fidelity Small Cap Growth | 581.26K (1.38%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 11 | Vanguard Institutional Extnd Mkt Idx Tr | 563.01K (1.33%) | 102.77K Increased by +18.25% | Jun 30, 24 |
| 12 | Vanguard Small Cap Growth Index Inv | 534.78K (1.27%) | -414.00 Decreased by -0.08% | Apr 30, 26 |
| 13 | Pictet-Biotech P USD | 428.59K (1.02%) | -50.38K Decreased by -11.75% | Feb 28, 26 |
| 14 | Fidelity Advisor Biotechnology I | 417.60K (0.99%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 15 | AB Intl Health Care AX USD | 404.97K (0.96%) | -6.02K Decreased by -1.49% | Mar 31, 26 |
| 16 | AB SICAV I Intl Hlth Cr AX USD | 403.97K (0.96%) | -1.01K Decreased by -0.25% | Apr 30, 26 |
| 17 | Fidelity Advisor Health Care I | 400.00K (0.95%) | 20.00K Increased by +5.00% | Apr 30, 26 |
| 18 | Fidelity Small Cap Index | 390.01K (0.92%) | -893.00 Decreased by -0.23% | May 31, 25 |
| 19 | CREF Stock R3 | 372.68K (0.88%) | 45.80K Increased by +12.29% | May 31, 25 |
| 20 | Nuveen Quant Small Cap Equity R6 | 334.37K (0.79%) | 3.37K Increased by +1.01% | May 31, 25 |