| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Essex Woodlands Health Ventures | 4.11M (22.32%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Nantahala Capital Management, LLC | 3.88M (21.06%) | 198.24K Increased by +5.11% | Mar 31, 25 |
| 3 | SILVERARC CAPITAL MANAGEMENT, LLC | 2.77M (15.05%) | -294.36K Decreased by -10.62% | Mar 31, 25 |
| 4 | First Light Asset Management, LLC | 2.75M (14.95%) | 199.39K Increased by +7.24% | Mar 31, 24 |
| 5 | Orbimed Advisors, LLC | 2.16M (11.74%) | -296.36K Decreased by -13.71% | Sep 30, 24 |
| 6 | Stonepine Capital Management Llc | 2.06M (11.16%) | -297.87K Decreased by -14.49% | Mar 31, 25 |
| 7 | Vanguard Group Inc | 1.91M (10.38%) | -16.59K Decreased by -0.87% | Jun 30, 25 |
| 8 | Dafna Capital Management LLC | 1.44M (7.82%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 9 | AIGH Capital Management, LLC | 1.42M (7.69%) | -1.25M Decreased by -88.01% | Mar 31, 25 |
| 10 | Royce & Associates, LP | 1.00M (5.43%) | 1.00M Increased by +100.00% | Dec 31, 24 |
| 11 | Pentwater Capital Management LP | 998.75K (5.42%) | -1.25K Decreased by -0.12% | Mar 31, 25 |
| 12 | Perkins Capital Management Inc | 875.87K (4.76%) | -34.75K Decreased by -3.97% | Jun 30, 25 |
| 13 | Citigroup Inc | 750.00K (4.07%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 14 | Opaleye Management Inc | 750.00K (4.07%) | -830.00K Decreased by -110.67% | Sep 30, 23 |
| 15 | Velan Capital Investment Management LP | 747.41K (4.06%) | 747.41K Increased by +100.00% | Mar 31, 25 |
| 16 | Federated Hermes Inc | 712.30K (3.87%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 17 | Sio Capital Management, LLC | 630.00K (3.42%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 18 | Sectoral Asset Management Inc | 525.00K (2.85%) | 346.63K Increased by +66.02% | Sep 30, 23 |
| 19 | Next Century Growth Investors LLC | 473.13K (2.57%) | -301.78K Decreased by -63.78% | Sep 30, 23 |
| 20 | BlackRock Inc | 425.87K (2.31%) | -1.66K Decreased by -0.39% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 1.18M (6.40%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Vanguard Institutional Extnd Mkt Idx Tr | 685.69K (3.72%) | -30.78K Decreased by -4.49% | Jun 30, 25 |
| 3 | Vanguard US Total Market Shares ETF | 643.29K (3.49%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 4 | FTGF RY US SmCp Opp A USD Dis(A) | 553.14K (3.00%) | 31.95K Increased by +5.78% | Feb 28, 25 |
| 5 | Royce Small-Cap Opportunity Invmt | 532.97K (2.89%) | 532.97K Increased by +100.00% | Dec 31, 24 |
| 6 | Federated Hermes Kaufmann Growth | 500.00K (2.72%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 7 | Federated Hermes Kaufmann R | 500.00K (2.72%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 8 | iShares Russell 2000 ETF | 359.80K (1.95%) | -2.87K Decreased by -0.80% | Apr 30, 24 |
| 9 | Kennedy Micro Cap | 293.76K (1.60%) | 1.41K Increased by +0.48% | Jun 30, 24 |
| 10 | Federated Hermes Kaufmann Small Cap A | 200.00K (1.09%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 11 | Federated Hermes Kaufmann Small Cap Grow | 200.00K (1.09%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 12 | Paradigm Micro-Cap | 200.00K (1.09%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 13 | Jacob Small Cap Growth Investor | 184.00K (1.00%) | 80.00K Increased by +43.48% | Jun 30, 25 |
| 14 | Fidelity Small Cap Index | 163.54K (0.89%) | 3.91K Increased by +2.39% | Jun 30, 24 |
| 15 | Fidelity Extended Market Index | 158.83K (0.86%) | -415.00 Decreased by -0.26% | Jun 30, 25 |
| 16 | Fidelity® Small Cap Index | 155.60K (0.84%) | 3.54K Increased by +2.28% | Oct 31, 23 |
| 17 | Jacob Discovery Fd Instl | 154.78K (0.84%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 18 | iShares Russell 2000 Growth ETF | 132.15K (0.72%) | -316.00 Decreased by -0.24% | Apr 30, 24 |
| 19 | Next Century Growth Micro Cap Growth | 126.43K (0.69%) | -82.13K Decreased by -64.96% | Sep 30, 23 |
| 20 | Calamos Timpani Small Cap Growth I | 110.59K (0.60%) | -26.56K Decreased by -24.02% | Mar 31, 24 |