| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Baker Bros Advisors LP | 10.89M (577.67%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | FCPM III SERVICES BV | 3.45M (183.21%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | Paradigm Biocapital Advisors LP | 3.25M (172.30%) | -460.24K Decreased by -14.18% | Mar 31, 24 |
| 4 | Armistice Capital, LLC | 2.80M (148.59%) | 128.00K Increased by +4.57% | Jun 30, 25 |
| 5 | Westfield Capital Management Company, L.P. | 2.78M (147.56%) | 123.19K Increased by +4.43% | Jun 30, 25 |
| 6 | Siren, L.L.C. | 2.01M (106.81%) | 200.00K Increased by +9.94% | Jun 30, 25 |
| 7 | Westfield Capital Management Company, LP | 1.85M (98.23%) | 327.09K Increased by +17.67% | Sep 30, 24 |
| 8 | Point72 Asset Management, L.P. | 1.77M (94.07%) | -1.92M Decreased by -108.29% | Jun 30, 25 |
| 9 | T. Rowe Price Associates, Inc. | 1.47M (77.93%) | -68.19K Decreased by -4.64% | Jun 30, 25 |
| 10 | Millennium Management LLC | 1.44M (76.61%) | 990.19K Increased by +68.59% | Jun 30, 25 |
| 11 | Long Focus Capital Management, LLC | 1.32M (69.91%) | 23.54K Increased by +1.79% | Jun 30, 25 |
| 12 | BRAIDWELL LP | 1.29M (68.45%) | 1.29M Increased by +100.00% | Sep 30, 23 |
| 13 | Deep Track Capital, LP | 1.20M (63.85%) | 436.23K Increased by +36.25% | Jun 30, 25 |
| 14 | Candriam Luxembourg S.C.A. | 1.17M (62.22%) | -32.82K Decreased by -2.80% | Jun 30, 25 |
| 15 | RA Capital Management, LLC | 1.09M (58.03%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 16 | Fairmount Funds Management LLC | 1.07M (56.74%) | 1.07M Increased by +100.00% | Jun 30, 24 |
| 17 | BNP Paribas Investment Partners SA | 1.04M (55.27%) | -178.23K Decreased by -17.11% | Jun 30, 25 |
| 18 | Morgan Stanley - Brokerage Accounts | 1.04M (55.04%) | 37.32K Increased by +3.60% | Jun 30, 25 |
| 19 | Polar Capital Holdings PLC | 1.00M (53.22%) | -1.75K Decreased by -0.18% | Sep 30, 24 |
| 20 | Tybourne Capital Management (HK) Ltd | 993.74K (52.74%) | 417.40K Increased by +42.00% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Health Sciences | 1.08M (57.46%) | -12.15K Decreased by -1.12% | Jul 31, 25 |
| 2 | Harbor Small Cap Growth Instl | 970.00K (51.48%) | -30.82K Decreased by -3.18% | Jun 30, 25 |
| 3 | Westfield Capital Mgt Co Sm-Cap Gr Eq | 970.00K (51.48%) | -30.82K Decreased by -3.18% | Jun 30, 25 |
| 4 | Candriam Eqs L Biotech C USD Cap | 805.24K (42.73%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 5 | BNP Paribas Health Cr Innovtr Cl Cap | 567.98K (30.14%) | -563.00 Decreased by -0.10% | Jul 31, 25 |
| 6 | Principal SmallCap R5 | 538.99K (28.60%) | 200.69K Increased by +37.23% | Jul 31, 25 |
| 7 | Candriam Global Equities Oncology | 492.11K (26.12%) | 125.18K Increased by +25.44% | Sep 30, 24 |
| 8 | BNP Paribas US Small Cap ClassicC | 476.45K (25.28%) | 1.24K Increased by +0.26% | Jul 31, 25 |
| 9 | BNP Paribas US Small Cap Classic R | 468.06K (24.84%) | -9.43K Decreased by -2.01% | May 31, 25 |
| 10 | Janus Henderson Global Life Sciences | 385.75K (20.47%) | -89.69K Decreased by -23.25% | Sep 30, 23 |
| 11 | Janus Henderson Global Life Sciences D | 385.75K (20.47%) | -89.69K Decreased by -23.25% | Sep 30, 23 |
| 12 | Belfius Equities Cure C Cap | 367.15K (19.48%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 13 | MEDICAL BioHealth EUR Acc | 343.42K (18.22%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 14 | Principal U.S. Small Cap Equity | 338.30K (17.95%) | 49.40K Increased by +14.60% | Jun 30, 25 |
| 15 | Janus Selection Global Life Science AUSD | 298.27K (15.83%) | -76.67K Decreased by -25.71% | Sep 30, 23 |
| 16 | Polar Capital Biotech S Inc | 297.67K (15.80%) | -592.95K Decreased by -199.20% | Nov 30, 24 |
| 17 | AXA Framlington Health R Inc | 279.70K (14.84%) | -8.49K Decreased by -3.03% | Nov 30, 23 |
| 18 | Platinum International Healthcare | 272.15K (14.44%) | -21.30K Decreased by -7.83% | Oct 31, 24 |
| 19 | UTM IM GBP AXA Framlington Biotech | 268.72K (14.26%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 20 | Fidelity Select Biotechnology | 266.35K (14.13%) | 0.00 Increased by 0.00% | Dec 31, 23 |