ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 199 filers reported holding ATRICURE INC in Q4 2020. The put-call ratio across all filers is 0.16 and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Hudson Executive Capital LP | 3,710,000 | $82,992,000 | 20.87% |
| First Light Asset Management, LLC | 1,033,736 | $23,125,000 | 7.32% |
| DAFNA Capital Management LLC | 384,145 | $8,593,000 | 5.34% |
| KOPP INVESTMENT ADVISORS LLC | 114,599 | $2,564,000 | 2.35% |
| PERKINS CAPITAL MANAGEMENT INC | 92,950 | $2,079,000 | 2.18% |
| Tamarack Advisers, LP | 100,000 | $2,237,000 | 1.37% |
| AlphaOne Investment Services, LLC | 170,525 | $3,815,000 | 1.01% |
| EMERALD ADVISERS, LLC | 560,701 | $12,543,000 | 0.51% |
| PEREGRINE CAPITAL MANAGEMENT LLC | 924,740 | $20,686,000 | 0.50% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 499,190 | $11,167,000 | 0.46% |