| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | BlackRock Inc | 10.87M (18.20%) | 1.17M Increased by +10.79% | Mar 31, 25 |
| 2 | Vanguard Group Inc | 6.69M (11.20%) | 1.30M Increased by +19.42% | Mar 31, 25 |
| 3 | Woodline Partners LP | 5.13M (8.58%) | 1.60M Increased by +31.27% | Mar 31, 25 |
| 4 | State Street Corporation | 4.90M (8.21%) | 664.94K Increased by +13.56% | Mar 31, 24 |
| 5 | FMR Inc | 4.46M (7.46%) | 404.32K Increased by +9.07% | Mar 31, 25 |
| 6 | State Street Corp | 3.70M (6.19%) | 702.75K Increased by +19.01% | Mar 31, 25 |
| 7 | Point72 Asset Management, L.P. | 2.87M (4.80%) | 870.82K Increased by +30.37% | Mar 31, 25 |
| 8 | Suvretta Capital Management, LLC | 2.56M (4.29%) | 1.98M Increased by +77.50% | Mar 31, 25 |
| 9 | Octagon Capital Advisors LP | 1.97M (3.30%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 10 | Dimensional Fund Advisors, Inc. | 1.72M (2.88%) | 19.78K Increased by +1.15% | Mar 31, 25 |
| 11 | BNP Paribas Investment Partners SA | 1.63M (2.73%) | 106.23K Increased by +6.53% | Mar 31, 25 |
| 12 | Invus Financial Advisors, LLC | 1.61M (2.70%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 13 | Siren, L.L.C. | 1.61M (2.70%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 14 | Boxer Capital LLC | 1.60M (2.68%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 15 | Boxer Capital Management, LLC | 1.60M (2.68%) | 1.60M Increased by +100.00% | Dec 31, 24 |
| 16 | Ameriprise Financial Inc | 1.55M (2.59%) | 228.32K Increased by +14.75% | Dec 31, 24 |
| 17 | Partner Fund Management LP | 1.41M (2.35%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 18 | Geode Capital Management, LLC | 1.39M (2.33%) | 179.62K Increased by +12.93% | Mar 31, 25 |
| 19 | AllianceBernstein L.P. | 1.30M (2.18%) | 40.17K Increased by +3.09% | Sep 30, 24 |
| 20 | Parkman Healthcare Partners LLC | 1.22M (2.04%) | -58.16K Decreased by -4.78% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 4.03M (6.74%) | 0.00 Increased by 0.00% | May 31, 25 |
| 2 | Fidelity® Select Biotechnology | 2.94M (4.92%) | -256.50K Decreased by -8.73% | Nov 30, 23 |
| 3 | Vanguard Total Stock Mkt Idx Inv | 2.15M (3.61%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 4 | Vanguard US Total Market Shares ETF | 1.62M (2.71%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 5 | iShares Russell 2000 ETF | 1.36M (2.28%) | 0.00 Increased by 0.00% | May 31, 25 |
| 6 | SPDR® S&P Biotech ETF | 1.29M (2.16%) | 7.64K Increased by +0.59% | May 31, 25 |
| 7 | Fidelity Select Biotechnology | 1.21M (2.02%) | -184.20K Decreased by -15.27% | Apr 30, 25 |
| 8 | Vanguard Institutional Extnd Mkt Idx Tr | 1.06M (1.77%) | 2.08K Increased by +0.20% | Apr 30, 25 |
| 9 | Fidelity Select Health Care | 949.76K (1.59%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 10 | Fidelity Select Pharmaceuticals Port | 915.02K (1.53%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 11 | CT (Lux) American Smaller Com 9U USD | 906.88K (1.52%) | 55.03K Increased by +6.07% | Jan 31, 25 |
| 12 | Vanguard Small Cap Index | 792.34K (1.33%) | 930.00 Increased by +0.12% | Apr 30, 25 |
| 13 | BNP Paribas US Small Cap Classic R | 792.12K (1.33%) | -115.85K Decreased by -14.63% | Apr 30, 25 |
| 14 | AB Discovery Growth A | 612.02K (1.02%) | 39.63K Increased by +6.47% | Oct 31, 24 |
| 15 | BNP Paribas Health Cr Innovtr Cl Cap | 610.11K (1.02%) | -117.64K Decreased by -19.28% | Apr 30, 25 |
| 16 | iShares S&P Small-Cap 600 Growth ETF | 602.53K (1.01%) | 0.00 Increased by 0.00% | May 31, 25 |
| 17 | Fidelity Advisor Health Care I | 597.87K (1.00%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 18 | SPDR® Portfolio S&P 600™ Sm Cap ETF | 564.95K (0.95%) | 0.00 Increased by 0.00% | May 30, 25 |
| 19 | CT American Smaller Coms(US) InstAccGBP | 562.91K (0.94%) | 2.99K Increased by +0.53% | Jan 31, 25 |
| 20 | Fidelity Small Cap Index | 541.29K (0.91%) | 2.87K Increased by +0.53% | Mar 31, 25 |