| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | BlackRock Inc | 15.23M (17.11%) | 228.58K Increased by +1.50% | Mar 31, 26 |
| 2 | Vanguard Group Inc | 7.96M (8.95%) | 1.33M Increased by +16.75% | Dec 31, 25 |
| 3 | Wellington Management Company LLP | 6.09M (6.84%) | 905.01K Increased by +14.86% | Mar 31, 26 |
| 4 | State Street Corp | 5.41M (6.08%) | 835.93K Increased by +15.44% | Mar 31, 26 |
| 5 | Suvretta Capital Management, LLC | 5.03M (5.65%) | -157.87K Decreased by -3.14% | Mar 31, 26 |
| 6 | State Street Corporation | 4.90M (5.51%) | 664.94K Increased by +13.56% | Mar 31, 24 |
| 7 | Vanguard Portfolio Management, LLC | 4.27M (4.80%) | 4.27M Increased by +100.00% | Mar 31, 26 |
| 8 | Vanguard Capital Management, LLC | 3.86M (4.33%) | 3.86M Increased by +100.00% | Mar 31, 26 |
| 9 | Woodline Partners LP | 3.78M (4.25%) | 8.01K Increased by +0.21% | Mar 31, 26 |
| 10 | Marshall Wace Asset Management Ltd | 3.76M (4.23%) | 373.64K Increased by +9.93% | Mar 31, 26 |
| 11 | Point72 Asset Management, L.P. | 3.28M (3.69%) | -1.05M Decreased by -32.09% | Dec 31, 25 |
| 12 | Siren, L.L.C. | 3.01M (3.38%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 13 | Geode Capital Management, LLC | 2.25M (2.53%) | 345.02K Increased by +15.32% | Mar 31, 26 |
| 14 | Fisher Asset Management, LLC | 2.19M (2.46%) | 240.62K Increased by +10.99% | Mar 31, 26 |
| 15 | Octagon Capital Advisors LP | 1.97M (2.21%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 16 | Samlyn Capital, LLC | 1.91M (2.14%) | 304.14K Increased by +15.94% | Mar 31, 26 |
| 17 | BNP Paribas Investment Partners SA | 1.65M (1.86%) | -32.62K Decreased by -1.97% | Mar 31, 26 |
| 18 | Invus Financial Advisors, LLC | 1.61M (1.81%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 19 | Boxer Capital LLC | 1.60M (1.80%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 20 | Boxer Capital Management, LLC | 1.60M (1.80%) | 1.60M Increased by +100.00% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.23M (5.88%) | 840.00 Increased by +0.02% | Jun 30, 26 |
| 2 | Vanguard Health Care Inv | 4.12M (4.64%) | 919.29K Increased by +22.29% | Mar 31, 26 |
| 3 | Fidelity® Select Biotechnology | 2.94M (3.30%) | -256.50K Decreased by -8.73% | Nov 30, 23 |
| 4 | Vanguard Total Stock Mkt Idx Inv | 2.80M (3.15%) | -5.01K Decreased by -0.18% | Jun 30, 26 |
| 5 | State Street® SPDR® S&P® Biotech ETF | 2.58M (2.90%) | -57.24K Decreased by -2.22% | Jun 30, 26 |
| 6 | iShares Russell 2000 ETF | 2.31M (2.60%) | 13.73K Increased by +0.59% | Jun 30, 26 |
| 7 | Vanguard US Total Market Shares ETF | 1.62M (1.82%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 8 | SPDR® S&P Biotech ETF | 1.20M (1.35%) | 2.69K Increased by +0.22% | Aug 31, 25 |
| 9 | Vanguard Small Cap Index | 1.01M (1.14%) | 2.23K Increased by +0.22% | Jun 30, 26 |
| 10 | Vanguard Institutional Extnd Mkt Idx Tr | 1.00M (1.12%) | 40.53K Increased by +4.05% | Jun 30, 26 |
| 11 | Fidelity Select Health Care | 949.76K (1.07%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 12 | CT (Lux) American Smaller Com 9U USD | 906.88K (1.02%) | 55.03K Increased by +6.07% | Jan 31, 25 |
| 13 | Fidelity Select Pharmaceuticals Port | 853.52K (0.96%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 14 | Fidelity Select Biotechnology | 852.70K (0.96%) | 20.60K Increased by +2.42% | May 31, 26 |
| 15 | BNP Paribas US Small Cap ClassicC | 839.75K (0.94%) | -105.23K Decreased by -12.53% | May 31, 26 |
| 16 | Fidelity Small Cap Index | 829.37K (0.93%) | 7.02K Increased by +0.85% | Apr 30, 26 |
| 17 | State Street SPDR Port S&P 600 Sm CpETF | 796.16K (0.89%) | -13.15K Decreased by -1.65% | Jun 30, 26 |
| 18 | Belfius Equities Cure C Cap | 790.61K (0.89%) | -135.51K Decreased by -17.14% | Dec 31, 25 |
| 19 | BNP Paribas US Small Cap Classic R | 776.48K (0.87%) | -15.64K Decreased by -2.01% | May 31, 25 |
| 20 | iShares Russell 2000 Growth ETF | 646.12K (0.73%) | -2.48K Decreased by -0.38% | Jun 30, 26 |