| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Baker Bros Advisors LP | 4.87M (26.09%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 2 | 5AM Venture Management, LLC | 4.41M (23.64%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 3 | Mpm Asset Management, LLC | 4.38M (23.49%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 4 | T. Rowe Price Associates, Inc. | 2.74M (14.67%) | -166.26K Decreased by -6.07% | Mar 31, 25 |
| 5 | HHG PLC | 2.12M (11.38%) | 41.29K Increased by +1.95% | Mar 31, 25 |
| 6 | BlackRock Inc | 1.99M (10.67%) | 16.40K Increased by +0.82% | Mar 31, 25 |
| 7 | Vanguard Group Inc | 1.58M (8.45%) | 111.36K Increased by +7.07% | Mar 31, 25 |
| 8 | FMR Inc | 1.24M (6.65%) | -160.10K Decreased by -12.91% | Mar 31, 25 |
| 9 | Wellington Management Company LLP | 1.05M (5.65%) | 21.49K Increased by +2.04% | Mar 31, 25 |
| 10 | StepStone Group LLC | 761.28K (4.08%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 11 | Geode Capital Management, LLC | 589.08K (3.16%) | 15.18K Increased by +2.58% | Mar 31, 25 |
| 12 | TCG Crossover Management, LLC | 584.96K (3.14%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 13 | Redmile Group, LLC | 560.97K (3.01%) | -722.76K Decreased by -128.84% | Jun 30, 24 |
| 14 | State Street Corp | 494.39K (2.65%) | -10.59K Decreased by -2.14% | Mar 31, 25 |
| 15 | State Street Corporation | 435.39K (2.33%) | 7.56K Increased by +1.74% | Mar 31, 24 |
| 16 | American Century Companies Inc | 384.97K (2.06%) | 18.63K Increased by +4.84% | Jun 30, 24 |
| 17 | Renaissance Technologies Corp | 328.49K (1.76%) | 162.28K Increased by +49.40% | Mar 31, 25 |
| 18 | Dimensional Fund Advisors, Inc. | 327.13K (1.75%) | 110.12K Increased by +33.66% | Mar 31, 25 |
| 19 | Northern Trust Corp | 310.19K (1.66%) | -7.99K Decreased by -2.58% | Mar 31, 25 |
| 20 | Goldman Sachs Group Inc | 285.27K (1.53%) | 200.81K Increased by +70.39% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price New Horizons | 1.69M (9.04%) | -22.79K Decreased by -1.35% | Mar 31, 25 |
| 2 | US Small-Cap Growth II Equity Comp | 1.69M (9.04%) | -131.99K Decreased by -7.83% | Mar 31, 25 |
| 3 | Vanguard Total Stock Mkt Idx Inv | 952.64K (5.11%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 4 | iShares Russell 2000 ETF | 611.37K (3.28%) | 0.00 Increased by 0.00% | May 31, 25 |
| 5 | Fidelity® Select Biotechnology | 581.80K (3.12%) | 0.00 Increased by 0.00% | Oct 31, 23 |
| 6 | Fidelity Growth Compy Commingled Pl O | 561.18K (3.01%) | 0.00 Increased by 0.00% | Aug 31, 24 |
| 7 | Fidelity Growth Compy Commingled Pl S | 487.77K (2.62%) | -87.40K Decreased by -17.92% | Apr 30, 25 |
| 8 | T. Rowe Price New Horizons Tr-A | 451.38K (2.42%) | 649.00 Increased by +0.14% | Mar 31, 25 |
| 9 | T. Rowe Price New Horizons Tr-Z | 451.38K (2.42%) | 649.00 Increased by +0.14% | Mar 31, 25 |
| 10 | Vanguard Institutional Extnd Mkt Idx Tr | 366.34K (1.96%) | 1.90K Increased by +0.52% | Apr 30, 25 |
| 11 | Fidelity Growth Company Fund | 287.83K (1.54%) | -61.20K Decreased by -21.26% | Apr 30, 25 |
| 12 | Fidelity Small Cap Index | 244.75K (1.31%) | 1.77K Increased by +0.72% | Mar 31, 25 |
| 13 | T. Rowe Price Health Sciences | 234.30K (1.26%) | -3.54K Decreased by -1.51% | Mar 31, 25 |
| 14 | iShares Russell 2000 Value ETF | 226.09K (1.21%) | 0.00 Increased by 0.00% | May 31, 25 |
| 15 | Fidelity® Small Cap Index | 202.91K (1.09%) | 10.44K Increased by +5.14% | Sep 30, 23 |
| 16 | State St Russell Sm/Mid Cp® Indx SL Cl I | 132.68K (0.71%) | 10.60K Increased by +7.99% | May 31, 25 |
| 17 | iShares Biotechnology ETF | 129.59K (0.69%) | 0.00 Increased by 0.00% | May 31, 25 |
| 18 | Fidelity Extended Market Index | 127.51K (0.68%) | -1.22K Decreased by -0.96% | Apr 30, 25 |
| 19 | Vanguard Russell 2000 ETF | 122.71K (0.66%) | 6.91K Increased by +5.63% | Apr 30, 25 |
| 20 | State St Russell Sm/Mid Cp® Indx NL Cl C | 122.08K (0.65%) | 0.00 Increased by 0.00% | Apr 30, 25 |