| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Baker Bros Advisors LP | 10.89M (577.67%) | 1.49M Increased by +13.65% | Dec 31, 24 |
| 2 | Point72 Asset Management, L.P. | 4.55M (241.72%) | 3.66M Increased by +80.25% | Dec 31, 24 |
| 3 | FCPM III SERVICES BV | 3.45M (183.21%) | 1.11M Increased by +32.22% | Dec 31, 24 |
| 4 | Paradigm Biocapital Advisors LP | 3.25M (172.30%) | -460.24K Decreased by -14.18% | Mar 31, 24 |
| 5 | Westfield Capital Management Company, L.P. | 2.61M (138.53%) | 759.39K Increased by +29.09% | Dec 31, 24 |
| 6 | Armistice Capital, LLC | 2.20M (116.54%) | 240.00K Increased by +10.93% | Dec 31, 24 |
| 7 | Jefferies Financial Group Inc | 1.95M (103.38%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 8 | Westfield Capital Management Company, LP | 1.85M (98.23%) | 327.09K Increased by +17.67% | Sep 30, 24 |
| 9 | Siren, L.L.C. | 1.84M (97.61%) | 1.84M Increased by +100.00% | Dec 31, 24 |
| 10 | T. Rowe Price Associates, Inc. | 1.59M (84.12%) | -136.91K Decreased by -8.64% | Dec 31, 24 |
| 11 | BRAIDWELL LP | 1.29M (68.45%) | 1.29M Increased by +100.00% | Sep 30, 23 |
| 12 | Deep Track Capital, LP | 1.28M (67.72%) | -2.27M Decreased by -178.04% | Dec 31, 24 |
| 13 | Tybourne Capital Management (HK) Ltd | 1.27M (67.37%) | -125.00K Decreased by -9.85% | Dec 31, 24 |
| 14 | BNP Paribas Investment Partners SA | 1.16M (61.33%) | 395.76K Increased by +34.25% | Dec 31, 24 |
| 15 | RA Capital Management, LLC | 1.09M (58.03%) | -1.16M Decreased by -106.04% | Dec 31, 24 |
| 16 | Candriam Luxembourg S.C.A. | 1.09M (57.73%) | 37.28K Increased by +3.43% | Dec 31, 24 |
| 17 | Fairmount Funds Management LLC | 1.07M (56.74%) | 1.07M Increased by +100.00% | Jun 30, 24 |
| 18 | Polar Capital Holdings PLC | 1.00M (53.22%) | -1.75K Decreased by -0.18% | Sep 30, 24 |
| 19 | First Light Asset Management, LLC | 967.01K (51.32%) | -417.76K Decreased by -43.20% | Sep 30, 24 |
| 20 | Camber Capital Management LLC | 915.00K (48.56%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Health Sciences | 1.17M (62.01%) | -17.65K Decreased by -1.51% | Mar 31, 25 |
| 2 | Harbor Small Cap Growth Instl | 1.00M (53.11%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 3 | Westfield Capital Mgt Co Sm-Cap Gr Eq | 1.00M (53.11%) | 14.32K Increased by +1.43% | Mar 31, 25 |
| 4 | BNP Paribas Health Cr Innovtr Cl Cap | 677.01K (35.93%) | -19.00 Decreased by -0.00% | Mar 31, 25 |
| 5 | Candriam Eqs L Biotech C USD Cap | 648.87K (34.43%) | 120.68K Increased by +18.60% | Mar 31, 25 |
| 6 | Belfius Equities Cure C Cap | 556.31K (29.52%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 7 | BNP Paribas US Small Cap Classic R | 547.32K (29.05%) | 4.48K Increased by +0.82% | Mar 31, 25 |
| 8 | Candriam Global Equities Oncology | 492.11K (26.12%) | 125.18K Increased by +25.44% | Sep 30, 24 |
| 9 | Janus Henderson Global Life Sciences | 385.75K (20.47%) | -89.69K Decreased by -23.25% | Sep 30, 23 |
| 10 | Janus Henderson Global Life Sciences D | 385.75K (20.47%) | -89.69K Decreased by -23.25% | Sep 30, 23 |
| 11 | MEDICAL BioHealth EUR Acc | 376.06K (19.96%) | 16.54K Increased by +4.40% | Jan 31, 25 |
| 12 | Janus Selection Global Life Science AUSD | 298.27K (15.83%) | -76.67K Decreased by -25.71% | Sep 30, 23 |
| 13 | Polar Capital Biotech S Inc | 297.67K (15.80%) | -592.95K Decreased by -199.20% | Nov 30, 24 |
| 14 | Principal SmallCap R5 | 288.90K (15.33%) | -1.20K Decreased by -0.42% | Mar 31, 25 |
| 15 | Principal U.S. Small Cap Equity | 288.90K (15.33%) | 93.50K Increased by +32.36% | Mar 31, 25 |
| 16 | AXA Framlington Health R Inc | 279.70K (14.84%) | -8.49K Decreased by -3.03% | Nov 30, 23 |
| 17 | AXA Framlington Health Fund - R Income | 273.98K (14.54%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 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% | Mar 31, 25 |
| 20 | Fidelity Select Biotechnology | 266.35K (14.13%) | 0.00 Increased by 0.00% | Dec 31, 23 |