| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | RA Capital Management, LLC | 9.71M (17.06%) | -397.97K Decreased by -4.10% | Sep 30, 24 |
| 2 | Westfield Capital Management Company, LP | 5.13M (9.02%) | 170.94K Increased by +3.33% | Sep 30, 24 |
| 3 | venBio Select Advisor LLC | 4.99M (8.76%) | 792.23K Increased by +15.88% | Sep 30, 24 |
| 4 | FMR Inc | 4.91M (8.62%) | -14.71K Decreased by -0.30% | Sep 30, 24 |
| 5 | Artisan Partners Limited Partnership | 4.41M (7.75%) | 116.08K Increased by +2.63% | Sep 30, 24 |
| 6 | HHG PLC | 4.19M (7.35%) | 267.88K Increased by +6.40% | Sep 30, 24 |
| 7 | T. Rowe Price Associates, Inc. | 2.12M (3.73%) | 336.98K Increased by +15.89% | Sep 30, 24 |
| 8 | Capital Research & Mgmt Co - Division 3 | 2.11M (3.71%) | 5.09K Increased by +0.24% | Sep 30, 24 |
| 9 | Massachusetts Financial Services Company | 1.87M (3.28%) | 155.97K Increased by +8.35% | Sep 30, 24 |
| 10 | T. Rowe Price Investment Management,Inc. | 1.77M (3.10%) | 1.73M Increased by +98.27% | Sep 30, 24 |
| 11 | Franklin Resources Inc | 1.46M (2.56%) | -625.13K Decreased by -42.83% | Sep 30, 24 |
| 12 | Wellington Management Company LLP | 1.26M (2.22%) | -1.35M Decreased by -107.13% | Sep 30, 24 |
| 13 | Amvescap Plc. | 1.16M (2.04%) | 55.80K Increased by +4.80% | Sep 30, 24 |
| 14 | Goldman Sachs Group Inc | 845.71K (1.49%) | 435.74K Increased by +51.52% | Dec 31, 23 |
| 15 | Adage Capital Partners Gp LLC | 820.51K (1.44%) | 611.00K Increased by +74.47% | Jun 30, 24 |
| 16 | Vestal Point Capital LP | 750.00K (1.32%) | 225.00K Increased by +30.00% | Jun 30, 24 |
| 17 | Sofinnova Ventures | 734.28K (1.29%) | -19.75K Decreased by -2.69% | Jun 30, 24 |
| 18 | Putnam Investments LLC | 725.65K (1.27%) | -46.71K Decreased by -6.44% | Dec 31, 23 |
| 19 | Putnam Investments, LLC., a Franklin Templeton company | 725.65K (1.27%) | -46.71K Decreased by -6.44% | Dec 31, 23 |
| 20 | Camber Capital Management LLC | 700.00K (1.23%) | 700.00K Increased by +100.00% | Sep 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | TimesSquare CIT Mid Cap Growth A | 9.14M (16.05%) | 9.09M Increased by +99.45% | Dec 31, 23 |
| 2 | MFS Mid Cap Growth A | 1.32M (2.32%) | 16.53K Increased by +1.25% | Oct 31, 24 |
| 3 | MFS Mid Cap Growth Equity | 1.31M (2.29%) | 102.23K Increased by +7.83% | Sep 30, 24 |
| 4 | American Funds Growth Fund of Amer A | 1.06M (1.87%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 5 | Capital Group Growth Fnd of Amer Comp | 1.06M (1.87%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 6 | Artisan Mid Cap Investor | 1.03M (1.81%) | -33.96K Decreased by -3.29% | Sep 30, 24 |
| 7 | Artisan U.S. Mid-Cap Growth | 1.03M (1.81%) | -33.96K Decreased by -3.29% | Sep 30, 24 |
| 8 | Janus Henderson Enterprise D | 976.88K (1.72%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 9 | Janus Inst Mid Cap Growth CF | 976.88K (1.72%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 10 | T. Rowe Price Health Sciences | 917.83K (1.61%) | 246.96K Increased by +26.91% | Sep 30, 24 |
| 11 | Fidelity Select Health Care | 820.00K (1.44%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 12 | T. Rowe Price Mid-Cap Growth | 735.30K (1.29%) | 301.50K Increased by +41.00% | Sep 30, 24 |
| 13 | T. Rowe Price US Mid-Cap Growth Equity | 735.30K (1.29%) | 735.30K Increased by +100.00% | Sep 30, 24 |
| 14 | Fidelity Select Biotechnology | 659.41K (1.16%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 15 | Fidelity® Select Biotechnology | 659.41K (1.16%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 16 | T. Rowe Price New Horizons | 658.55K (1.16%) | -73.70K Decreased by -11.19% | Sep 30, 24 |
| 17 | US Small-Cap Growth II Equity Comp | 658.55K (1.16%) | -74.00K Decreased by -11.24% | Sep 30, 24 |
| 18 | CTIVP Westfield Slct LgCap Gro 1 | 654.42K (1.15%) | 36.82K Increased by +5.63% | Oct 31, 24 |
| 19 | American Funds SMALLCAP World A | 579.16K (1.02%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 20 | Vanguard Health Care Inv | 569.32K (1.00%) | -1.09M Decreased by -191.29% | Sep 30, 24 |