| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 4.32M (18.86%) | 6.82K Increased by +0.16% | Mar 31, 25 |
| 2 | BlackRock Inc | 3.94M (17.21%) | -90.71K Decreased by -2.30% | Mar 31, 25 |
| 3 | Vanguard Group Inc | 2.83M (12.33%) | -53.17K Decreased by -1.88% | Mar 31, 25 |
| 4 | venBio Select Advisor LLC | 2.73M (11.92%) | 102.18K Increased by +3.74% | Mar 31, 25 |
| 5 | State Street Corp | 1.23M (5.35%) | -52.27K Decreased by -4.26% | Mar 31, 25 |
| 6 | Capital World Investors | 954.47K (4.17%) | 75.27K Increased by +7.89% | Mar 31, 25 |
| 7 | State Street Corporation | 944.55K (4.12%) | -292.95K Decreased by -31.01% | Mar 31, 24 |
| 8 | Redmile Group, LLC | 737.67K (3.22%) | -15.50K Decreased by -2.10% | Mar 31, 25 |
| 9 | Point72 Asset Management, L.P. | 698.16K (3.05%) | 138.90K Increased by +19.89% | Sep 30, 23 |
| 10 | Geode Capital Management, LLC | 612.35K (2.67%) | 20.76K Increased by +3.39% | Mar 31, 25 |
| 11 | UBS Asset Mgmt Americas Inc | 575.51K (2.51%) | 365.30K Increased by +63.48% | Mar 31, 25 |
| 12 | Dimensional Fund Advisors, Inc. | 533.92K (2.33%) | -54.68K Decreased by -10.24% | Mar 31, 25 |
| 13 | Hood River Capital Management LLC | 524.64K (2.29%) | 11.92K Increased by +2.27% | Mar 31, 25 |
| 14 | Soleus Capital Management, L.P. | 441.76K (1.93%) | 83.38K Increased by +18.87% | Mar 31, 25 |
| 15 | T. Rowe Price Associates, Inc. | 410.86K (1.79%) | -98.60K Decreased by -24.00% | Mar 31, 25 |
| 16 | BRAIDWELL LP | 400.74K (1.75%) | 200.24K Increased by +49.97% | Mar 31, 25 |
| 17 | Pictet Asset Manangement SA | 373.81K (1.63%) | 373.81K Increased by +100.00% | Sep 30, 23 |
| 18 | Wagonhound Investments, LP | 355.61K (1.55%) | -19.34K Decreased by -5.44% | Sep 30, 23 |
| 19 | Credit Suisse First Boston (CSFB) | 321.95K (1.41%) | -152.54K Decreased by -47.38% | Mar 31, 24 |
| 20 | Nuveen Asset Management, LLC | 304.12K (1.33%) | -7.74K Decreased by -2.55% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity® Select Biotechnology | 1.99M (8.67%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 2 | Fidelity Select Biotechnology | 1.86M (8.10%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | iShares Core S&P Small-Cap ETF | 1.52M (6.63%) | 0.00 Increased by 0.00% | Jul 30, 25 |
| 4 | Fidelity Growth Compy Commingled Pl S | 963.66K (4.21%) | 964.00 Increased by +0.10% | Jun 30, 25 |
| 5 | Fidelity Growth Compy Commingled Pl O | 915.43K (4.00%) | 0.00 Increased by 0.00% | Aug 31, 24 |
| 6 | American Funds SMALLCAP World A | 886.71K (3.87%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 7 | Vanguard Total Stock Mkt Idx Inv | 835.25K (3.65%) | 3.26K Increased by +0.39% | Jun 30, 25 |
| 8 | Vanguard US Total Market Shares ETF | 824.72K (3.60%) | 704.00 Increased by +0.09% | Sep 30, 24 |
| 9 | Fidelity Growth Company Fund | 707.20K (3.09%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 10 | Vanguard Small Cap Index | 635.57K (2.77%) | -18.53K Decreased by -2.92% | Jun 30, 25 |
| 11 | iShares Russell 2000 ETF | 594.52K (2.60%) | -9.65K Decreased by -1.62% | Jul 30, 25 |
| 12 | SPDR® S&P Biotech ETF | 420.83K (1.84%) | 10.39K Increased by +2.47% | Jul 31, 25 |
| 13 | Vanguard Institutional Extnd Mkt Idx Tr | 392.51K (1.71%) | -731.00 Decreased by -0.19% | Jun 30, 25 |
| 14 | Vanguard Small Cap Growth Index Inv | 356.70K (1.56%) | -3.84K Decreased by -1.08% | Jun 30, 25 |
| 15 | Hood River Small-Cap Growth Instl | 295.17K (1.29%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 16 | CS (Lux) Digital Health Equity SB USD | 290.00K (1.27%) | -40.00K Decreased by -13.79% | Mar 31, 24 |
| 17 | Fidelity Small Cap Index | 251.62K (1.10%) | 449.00 Increased by +0.18% | May 31, 25 |
| 18 | First Trust NYSE Arca Biotech ETF | 233.60K (1.02%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 19 | iShares S&P Small-Cap 600 Growth ETF | 222.35K (0.97%) | -247.00 Decreased by -0.11% | Jul 30, 25 |
| 20 | SPDR® Portfolio S&P 600™ Sm Cap ETF | 220.34K (0.96%) | 123.00 Increased by +0.06% | Jul 31, 25 |