| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Essex Woodlands Health Ventures | 4.11M (22.02%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 2 | Nantahala Capital Management, LLC | 3.88M (20.78%) | 198.24K Increased by +5.11% | Mar 31, 25 |
| 3 | SILVERARC CAPITAL MANAGEMENT, LLC | 2.77M (14.85%) | -294.36K Decreased by -10.62% | Mar 31, 25 |
| 4 | First Light Asset Management, LLC | 2.75M (14.76%) | 199.39K Increased by +7.24% | Mar 31, 24 |
| 5 | Orbimed Advisors, LLC | 2.16M (11.58%) | -296.36K Decreased by -13.71% | Sep 30, 24 |
| 6 | Stonepine Capital Management Llc | 2.06M (11.01%) | -297.87K Decreased by -14.49% | Mar 31, 25 |
| 7 | Vanguard Group Inc | 1.93M (10.33%) | 52.59K Increased by +2.73% | Mar 31, 25 |
| 8 | Dafna Capital Management LLC | 1.44M (7.72%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 9 | AIGH Capital Management, LLC | 1.42M (7.59%) | -1.25M Decreased by -88.01% | Mar 31, 25 |
| 10 | Royce & Associates, LP | 1.00M (5.36%) | 1.00M Increased by +100.00% | Dec 31, 24 |
| 11 | Pentwater Capital Management LP | 998.75K (5.35%) | -1.25K Decreased by -0.12% | Mar 31, 25 |
| 12 | Perkins Capital Management Inc | 910.62K (4.88%) | 2.75K Increased by +0.30% | Mar 31, 25 |
| 13 | UBS Group AG | 767.83K (4.11%) | 767.83K Increased by +100.00% | Dec 31, 24 |
| 14 | Citigroup Inc | 750.00K (4.02%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 15 | Opaleye Management Inc | 750.00K (4.02%) | -830.00K Decreased by -110.67% | Sep 30, 23 |
| 16 | Velan Capital Investment Management LP | 747.41K (4.00%) | 747.41K Increased by +100.00% | Mar 31, 25 |
| 17 | Federated Hermes Inc | 712.30K (3.82%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 18 | Sio Capital Management, LLC | 630.00K (3.38%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 19 | Sectoral Asset Management Inc | 525.00K (2.81%) | 346.63K Increased by +66.02% | Sep 30, 23 |
| 20 | Next Century Growth Investors LLC | 473.13K (2.53%) | -301.78K Decreased by -63.78% | Sep 30, 23 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 1.18M (6.31%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 2 | Vanguard Institutional Extnd Mkt Idx Tr | 716.47K (3.84%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 3 | Vanguard US Total Market Shares ETF | 643.29K (3.45%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 4 | FTGF RY US SmCp Opp A USD Dis(A) | 553.14K (2.96%) | 31.95K Increased by +5.78% | Feb 28, 25 |
| 5 | Royce Small-Cap Opportunity Invmt | 532.97K (2.86%) | 532.97K Increased by +100.00% | Dec 31, 24 |
| 6 | Federated Hermes Kaufmann Growth | 500.00K (2.68%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 7 | Federated Hermes Kaufmann R | 500.00K (2.68%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 8 | iShares Russell 2000 ETF | 359.80K (1.93%) | -2.87K Decreased by -0.80% | Apr 30, 24 |
| 9 | Kennedy Micro Cap | 293.76K (1.57%) | 1.41K Increased by +0.48% | Jun 30, 24 |
| 10 | Federated Hermes Kaufmann Small Cap A | 200.00K (1.07%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 11 | Federated Hermes Kaufmann Small Cap Grow | 200.00K (1.07%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 12 | Paradigm Micro-Cap | 200.00K (1.07%) | 0.00 Increased by 0.00% | May 31, 25 |
| 13 | Fidelity Small Cap Index | 163.54K (0.88%) | 3.91K Increased by +2.39% | Jun 30, 24 |
| 14 | Fidelity Extended Market Index | 159.96K (0.86%) | -1.53K Decreased by -0.96% | Apr 30, 25 |
| 15 | Fidelity® Small Cap Index | 155.60K (0.83%) | 3.54K Increased by +2.28% | Oct 31, 23 |
| 16 | Jacob Discovery Fd Instl | 154.78K (0.83%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 17 | iShares Russell 2000 Growth ETF | 132.15K (0.71%) | -316.00 Decreased by -0.24% | Apr 30, 24 |
| 18 | Next Century Growth Micro Cap Growth | 126.43K (0.68%) | -82.13K Decreased by -64.96% | Sep 30, 23 |
| 19 | Calamos Timpani Small Cap Growth I | 110.59K (0.59%) | -26.56K Decreased by -24.02% | Mar 31, 24 |
| 20 | Timpani Small Cap Growth Equity | 110.59K (0.59%) | -3.02K Decreased by -2.73% | Mar 31, 24 |