| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Bvf Inc | 10.33M (45.20%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 2 | Blue Owl Capital Holdings LP | 3.44M (15.06%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 3 | Orbimed Advisors, LLC | 3.32M (14.53%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 4 | CHI Advisors LLC | 2.97M (12.98%) | -32.06K Decreased by -1.08% | Sep 30, 23 |
| 5 | Versant Venture Management LLC | 2.65M (11.58%) | 0.00 Increased by 0.00% | Sep 30, 25 |
| 6 | T. Rowe Price Investment Management,Inc. | 1.80M (7.86%) | -106.30K Decreased by -5.92% | Sep 30, 23 |
| 7 | Redmile Group, LLC | 1.59M (6.94%) | 0.00 Increased by 0.00% | Sep 30, 25 |
| 8 | Aquilo Capital Management, LLC | 1.29M (5.66%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 9 | ARK Investment Management LLC | 1.12M (4.92%) | -875.51K Decreased by -77.86% | Mar 31, 25 |
| 10 | Mpm Asset Management, LLC | 1.12M (4.90%) | 0.00 Increased by 0.00% | Sep 30, 25 |
| 11 | Marshall Wace Asset Management Ltd | 1.12M (4.88%) | 1.12M Increased by +100.00% | Dec 31, 25 |
| 12 | FMR Inc | 1.08M (4.72%) | -88.56K Decreased by -8.20% | Sep 30, 23 |
| 13 | Renaissance Technologies Corp | 981.36K (4.29%) | 257.20K Increased by +26.21% | Dec 31, 25 |
| 14 | Deep Track Capital, LP | 904.26K (3.96%) | -1.78M Decreased by -196.86% | Jun 30, 24 |
| 15 | MPM Oncology Impact Management LP | 819.92K (3.59%) | 0.00 Increased by 0.00% | Sep 30, 25 |
| 16 | Artal Group S A | 700.00K (3.06%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 17 | Logos Global Management LP | 600.00K (2.62%) | 300.00K Increased by +50.00% | Dec 31, 23 |
| 18 | Acadian Asset Management LLC | 568.30K (2.49%) | 568.30K Increased by +100.00% | Sep 30, 25 |
| 19 | Millennium Management LLC | 407.86K (1.78%) | 256.62K Increased by +62.92% | Jun 30, 25 |
| 20 | Ensign Peak Advisors Inc | 344.33K (1.51%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | ARK Genomic Revolution ETF | 1.13M (4.93%) | -1.65K Decreased by -0.15% | Mar 31, 25 |
| 2 | ARK Genomic Revolution | 1.10M (4.82%) | -872.23K Decreased by -79.10% | Mar 31, 25 |
| 3 | FIAM Small Cap Core Composite | 766.50K (3.35%) | -10.90K Decreased by -1.42% | Sep 30, 23 |
| 4 | T. Rowe Price Small-Cap Value | 615.14K (2.69%) | -107.80K Decreased by -17.52% | Sep 30, 23 |
| 5 | FIAM Small Cap Core CIT Cl B | 559.09K (2.45%) | -207.41K Decreased by -37.10% | Oct 31, 23 |
| 6 | T. Rowe Price Small-Cap Stock | 380.70K (1.67%) | -500.00 Decreased by -0.13% | Sep 30, 23 |
| 7 | T. Rowe Price US Small-Cap Core Equity | 380.70K (1.67%) | -500.00 Decreased by -0.13% | Sep 30, 23 |
| 8 | T. Rowe Price U.S. SC Value Eq Tr-Z | 298.21K (1.30%) | 300.00 Increased by +0.10% | Sep 30, 23 |
| 9 | Nikko Gbl All Biological Genome Eq MF | 297.64K (1.30%) | -28.36K Decreased by -9.53% | Jun 7, 24 |
| 10 | T. Rowe Price Instl Small-Cap Stock | 212.40K (0.93%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 11 | T. Rowe Price U.S. SC Core Eq Tr-Z | 178.71K (0.78%) | 500.00 Increased by +0.28% | Sep 30, 23 |
| 12 | A4Investments SICAV SIF ACCI IlanaA2EURH | 160.00K (0.70%) | 0.00 Increased by 0.00% | Jan 31, 25 |
| 13 | MEDICAL BioHealth EUR Acc | 144.57K (0.63%) | -38.48K Decreased by -26.62% | Oct 31, 23 |
| 14 | Northern Small Cap Core I | 77.83K (0.34%) | -5.85K Decreased by -7.51% | Dec 31, 25 |
| 15 | Vanguard Health Care ETF | 52.52K (0.23%) | 231.00 Increased by +0.44% | May 31, 25 |
| 16 | Biotech Growth Ord | 49.26K (0.22%) | 0.00 Increased by 0.00% | Nov 30, 25 |
| 17 | Range Cancer Therapeutics ETF | 47.41K (0.21%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 18 | Harbor Disruptive Innovation Instl | 42.65K (0.19%) | 10.50K Increased by +24.62% | Mar 31, 24 |
| 19 | DekaLux-BioTech CF | 40.00K (0.17%) | 25.40K Increased by +63.50% | Jun 30, 23 |
| 20 | Vifag 2002 SICAV | 35.00K (0.15%) | 0.00 Increased by 0.00% | Jul 31, 25 |