| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 5.11M (26.53%) | 1.23M Increased by +24.13% | Jun 30, 25 |
| 2 | Essex Woodlands Health Ventures | 4.11M (21.33%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | SILVERARC CAPITAL MANAGEMENT, LLC | 2.78M (14.43%) | 8.51K Increased by +0.31% | Jun 30, 25 |
| 4 | First Light Asset Management, LLC | 2.75M (14.29%) | 199.39K Increased by +7.24% | Mar 31, 24 |
| 5 | Orbimed Advisors, LLC | 2.16M (11.22%) | -296.36K Decreased by -13.71% | Sep 30, 24 |
| 6 | Stonepine Capital Management Llc | 2.08M (10.81%) | 28.54K Increased by +1.37% | Jun 30, 25 |
| 7 | Vanguard Group Inc | 1.91M (9.92%) | -16.59K Decreased by -0.87% | Jun 30, 25 |
| 8 | Dafna Capital Management LLC | 1.44M (7.48%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 9 | AIGH Capital Management, LLC | 1.42M (7.35%) | -1.25M Decreased by -88.01% | Mar 31, 25 |
| 10 | Royce & Associates, LP | 1.00M (5.19%) | 1.00M Increased by +100.00% | Dec 31, 24 |
| 11 | Perkins Capital Management Inc | 875.87K (4.55%) | -34.75K Decreased by -3.97% | Jun 30, 25 |
| 12 | Pentwater Capital Management LP | 815.00K (4.23%) | -183.75K Decreased by -22.55% | Jun 30, 25 |
| 13 | Citigroup Inc | 750.00K (3.89%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 14 | Opaleye Management Inc | 750.00K (3.89%) | -830.00K Decreased by -110.67% | Sep 30, 23 |
| 15 | Velan Capital Investment Management LP | 747.41K (3.88%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 16 | Federated Hermes Inc | 712.30K (3.70%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 17 | Sio Capital Management, LLC | 636.30K (3.30%) | 6.30K Increased by +0.99% | Jun 30, 25 |
| 18 | Sectoral Asset Management Inc | 525.00K (2.72%) | 346.63K Increased by +66.02% | Sep 30, 23 |
| 19 | Next Century Growth Investors LLC | 473.13K (2.46%) | -301.78K Decreased by -63.78% | Sep 30, 23 |
| 20 | BlackRock Inc | 458.51K (2.38%) | 32.64K Increased by +7.12% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 1.15M (5.98%) | -25.20K Decreased by -2.19% | Jul 31, 25 |
| 2 | Vanguard US Total Market Shares ETF | 643.29K (3.34%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 3 | FTGF RY US SmCp Opp A USD Dis(A) | 553.14K (2.87%) | 31.95K Increased by +5.78% | Feb 28, 25 |
| 4 | Royce Small-Cap Opportunity Invmt | 532.97K (2.77%) | 532.97K Increased by +100.00% | Dec 31, 24 |
| 5 | Federated Hermes Kaufmann Growth | 500.00K (2.59%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 6 | Federated Hermes Kaufmann R | 500.00K (2.59%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 7 | Vanguard Institutional Extnd Mkt Idx Tr | 448.62K (2.33%) | -237.07K Decreased by -52.84% | Jul 31, 25 |
| 8 | iShares Russell 2000 ETF | 359.80K (1.87%) | -2.87K Decreased by -0.80% | Apr 30, 24 |
| 9 | Kennedy Micro Cap | 293.76K (1.52%) | 1.41K Increased by +0.48% | Jun 30, 24 |
| 10 | Federated Hermes Kaufmann Small Cap A | 200.00K (1.04%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 11 | Federated Hermes Kaufmann Small Cap Grow | 200.00K (1.04%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 12 | Paradigm Micro-Cap | 200.00K (1.04%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 13 | Jacob Small Cap Growth Investor | 184.00K (0.95%) | 80.00K Increased by +43.48% | Jun 30, 25 |
| 14 | Fidelity Small Cap Index | 163.54K (0.85%) | 3.91K Increased by +2.39% | Jun 30, 24 |
| 15 | Fidelity Extended Market Index | 157.53K (0.82%) | -1.30K Decreased by -0.82% | Jul 31, 25 |
| 16 | Fidelity® Small Cap Index | 155.60K (0.81%) | 3.54K Increased by +2.28% | Oct 31, 23 |
| 17 | Jacob Discovery Fd Instl | 154.78K (0.80%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 18 | iShares Russell 2000 Growth ETF | 132.15K (0.69%) | -316.00 Decreased by -0.24% | Apr 30, 24 |
| 19 | Next Century Growth Micro Cap Growth | 126.43K (0.66%) | -82.13K Decreased by -64.96% | Sep 30, 23 |
| 20 | Calamos Timpani Small Cap Growth I | 110.59K (0.57%) | -26.56K Decreased by -24.02% | Mar 31, 24 |