| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | SB INVESTMENT ADVISERS (UK) LTD | 27.90M (32.13%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 2 | Vanguard Group Inc | 10.55M (12.15%) | 23.80K Increased by +0.23% | Sep 30, 23 |
| 3 | T. Rowe Price Associates, Inc. | 8.61M (9.91%) | 263.43K Increased by +3.06% | Sep 30, 23 |
| 4 | BlackRock Inc | 8.33M (9.59%) | -37.96K Decreased by -0.46% | Sep 30, 23 |
| 5 | Casdin Capital, LLC | 6.92M (7.97%) | 925.00K Increased by +13.36% | Sep 30, 23 |
| 6 | JPMorgan Chase & Co | 5.14M (5.91%) | 141.58K Increased by +2.76% | Sep 30, 23 |
| 7 | State Street Corporation | 4.91M (5.65%) | -2.30M Decreased by -46.96% | Sep 30, 23 |
| 8 | Bellevue Group AG | 4.88M (5.63%) | 714.20K Increased by +14.62% | Sep 30, 23 |
| 9 | EcoR1 Capital, LLC | 4.16M (4.79%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 10 | ArrowMark Colorado Holdings, LLC (ArrowMark Partners) | 3.81M (4.39%) | 391.91K Increased by +10.28% | Sep 30, 23 |
| 11 | Bvf Inc | 2.37M (2.72%) | -754.72K Decreased by -31.90% | Sep 30, 23 |
| 12 | T. Rowe Price Investment Management,Inc. | 2.26M (2.61%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 13 | FMR Inc | 2.11M (2.43%) | -848.49K Decreased by -40.26% | Sep 30, 23 |
| 14 | Geode Capital Management, LLC | 1.97M (2.27%) | 89.73K Increased by +4.55% | Sep 30, 23 |
| 15 | Perceptive Advisors LLC | 1.94M (2.24%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 16 | Boxer Capital LLC | 1.82M (2.09%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 17 | Citadel Advisors Llc | 1.68M (1.94%) | 1.37M Increased by +81.70% | Sep 30, 23 |
| 18 | Alphabet Inc | 1.57M (1.81%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 19 | MPM Oncology Impact Management LP | 1.35M (1.56%) | -2.23K Decreased by -0.17% | Sep 30, 23 |
| 20 | AllianceBernstein L.P. | 1.24M (1.43%) | -629.55K Decreased by -50.71% | Sep 30, 23 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | BB Biotech AG Ord | 4.88M (5.61%) | 775.00K Increased by +15.90% | Sep 30, 23 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 3.64M (4.19%) | 10.78K Increased by +0.30% | Nov 30, 23 |
| 3 | US Small-Cap Growth II Equity Comp | 3.11M (3.58%) | 3.11M Increased by +100.00% | Jun 30, 23 |
| 4 | T. Rowe Price New Horizons | 3.11M (3.58%) | -1.07K Decreased by -0.03% | Sep 30, 23 |
| 5 | Vanguard Small Cap Index | 3.01M (3.46%) | 9.20K Increased by +0.31% | Nov 30, 23 |
| 6 | SPDR® S&P Biotech ETF | 2.91M (3.35%) | -16.83K Decreased by -0.58% | Dec 31, 23 |
| 7 | T. Rowe Price Health Sciences | 2.63M (3.02%) | -34.61K Decreased by -1.32% | Sep 30, 23 |
| 8 | iShares Russell 2000 ETF | 2.45M (2.82%) | 15.57K Increased by +0.64% | Dec 29, 23 |
| 9 | JPMorgan Small Cap Growth A | 2.19M (2.52%) | 438.31K Increased by +20.02% | Nov 30, 23 |
| 10 | JPM Global Healthcare C (acc) USD | 1.97M (2.27%) | 254.43K Increased by +12.91% | Nov 30, 23 |
| 11 | Vanguard Small Cap Growth Index Inv | 1.69M (1.95%) | 25.34K Increased by +1.50% | Nov 30, 23 |
| 12 | Vanguard Institutional Extnd Mkt Idx Tr | 1.30M (1.50%) | 2.62K Increased by +0.20% | Nov 30, 23 |
| 13 | Vanguard Explorer Inv | 1.08M (1.24%) | 97.02K Increased by +9.01% | Sep 30, 23 |
| 14 | Fidelity® Small Cap Index | 891.17K (1.03%) | 47.94K Increased by +5.38% | Oct 31, 23 |
| 15 | Fidelity Growth Compy Commingled Pl O | 875.09K (1.01%) | -49.76K Decreased by -5.69% | Nov 30, 23 |
| 16 | iShares Russell 2000 Value ETF | 870.79K (1.00%) | 1.62K Increased by +0.19% | Dec 29, 23 |
| 17 | T. Rowe Price Small-Cap Value | 808.01K (0.93%) | -1.70K Decreased by -0.21% | Sep 30, 23 |
| 18 | UBS: US Equity Small Cap Growth | 747.74K (0.86%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 19 | iShares Biotechnology ETF | 635.75K (0.73%) | -580.00 Decreased by -0.09% | Dec 29, 23 |
| 20 | T. Rowe Price Integrated US Sm Gr Eq | 630.30K (0.73%) | 182.10K Increased by +28.89% | Sep 30, 23 |