| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Balyasny Asset Management LLC | 4.79M (10.44%) | 842.05K Increased by +17.59% | Mar 31, 25 |
| 2 | RTW INVESTMENTS, LLC | 4.25M (9.27%) | 6.14K Increased by +0.14% | Jun 30, 25 |
| 3 | Vanguard Group Inc | 3.42M (7.46%) | 993.51K Increased by +29.02% | Jun 30, 25 |
| 4 | Bvf Inc | 3.40M (7.42%) | 1.30M Increased by +38.30% | Jun 30, 25 |
| 5 | Nantahala Capital Management, LLC | 2.95M (6.44%) | 656.19K Increased by +22.21% | Jun 30, 25 |
| 6 | Orbimed Advisors, LLC | 2.86M (6.24%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 7 | Rosalind Advisors, Inc. | 2.64M (5.76%) | 1.74M Increased by +65.97% | Mar 31, 25 |
| 8 | BlackRock Inc | 2.53M (5.52%) | 92.50K Increased by +3.65% | Mar 31, 25 |
| 9 | Viking Global Investors LP | 2.46M (5.35%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 10 | Marshall Wace Asset Management Ltd | 2.23M (4.85%) | 1.43M Increased by +64.34% | Mar 31, 25 |
| 11 | Armistice Capital, LLC | 2.14M (4.66%) | 2.14M Increased by +100.00% | Jun 30, 25 |
| 12 | AIGH Capital Management, LLC | 2.00M (4.37%) | -334.57K Decreased by -16.70% | Jun 30, 25 |
| 13 | Alyeska Investment Group, L.P. | 1.86M (4.05%) | 1.16M Increased by +62.36% | Sep 30, 24 |
| 14 | Octagon Capital Advisors LP | 1.72M (3.75%) | 1.72M Increased by +100.00% | Mar 31, 25 |
| 15 | Deerfield Management Co | 1.54M (3.35%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 16 | Vivo Capital, LLC | 1.54M (3.35%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 17 | Goldman Sachs Group Inc | 1.45M (3.16%) | 694.28K Increased by +47.86% | Jun 30, 25 |
| 18 | Stonepine Capital Management Llc | 1.36M (2.96%) | 747.39K Increased by +54.94% | Jun 30, 25 |
| 19 | Adage Capital Partners Gp LLC | 1.35M (2.94%) | 50.00K Increased by +3.70% | Mar 31, 24 |
| 20 | Foresite Capital Management VI LLC | 1.28M (2.78%) | 1.28M Increased by +100.00% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 1.89M (4.13%) | -130.77K Decreased by -6.90% | Jul 31, 25 |
| 2 | SPDR® S&P Biotech ETF | 1.27M (2.78%) | -10.85K Decreased by -0.85% | Aug 29, 25 |
| 3 | Vanguard US Total Market Shares ETF | 1.22M (2.66%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 4 | iShares Russell 2000 ETF | 1.12M (2.43%) | -12.47K Decreased by -1.12% | Aug 29, 25 |
| 5 | Polar Capital Biotech S Inc | 1.00M (2.18%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 6 | Vanguard Institutional Extnd Mkt Idx Tr | 598.64K (1.30%) | -271.60K Decreased by -45.37% | Jul 31, 25 |
| 7 | Kennedy Micro Cap | 547.19K (1.19%) | 359.19K Increased by +65.64% | Sep 30, 24 |
| 8 | Fidelity Small Cap Index | 454.08K (0.99%) | 60.72K Increased by +13.37% | Jun 30, 25 |
| 9 | Nuveen Equity Index R6 | 328.95K (0.72%) | 328.95K Increased by +100.00% | Jun 30, 25 |
| 10 | Fidelity Extended Market Index | 293.30K (0.64%) | -2.41K Decreased by -0.82% | Jul 31, 25 |
| 11 | State St Russell Sm/Mid Cp® Indx NL Cl C | 291.12K (0.63%) | 1.22K Increased by +0.42% | Apr 30, 25 |
| 12 | State St Russell Sm/Mid Cp® Indx SL Cl I | 291.12K (0.63%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 13 | Fidelity Enhanced Small Cap ETF | 251.99K (0.55%) | 0.00 Increased by 0.00% | Aug 29, 25 |
| 14 | iShares Russell 2000 Growth ETF | 228.17K (0.50%) | 0.00 Increased by 0.00% | Aug 29, 25 |
| 15 | Vanguard Russell 2000 ETF | 216.10K (0.47%) | -14.92K Decreased by -6.90% | Jul 31, 25 |
| 16 | iShares Russell 2000 Value ETF | 172.86K (0.38%) | -381.00 Decreased by -0.22% | Aug 29, 25 |
| 17 | AlphaCentric LifeSci Healthcare I | 150.00K (0.33%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 18 | Vanguard US Momentum Factor ETF | 130.64K (0.28%) | 130.64K Increased by +100.00% | Jun 30, 25 |
| 19 | State St Russell Sm Cap® Indx SL Cl I | 128.40K (0.28%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 20 | Fidelity® Extended Market Index | 123.08K (0.27%) | 0.00 Increased by 0.00% | Nov 30, 23 |