ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 212 filers reported holding ATRICURE INC in Q2 2021. The put-call ratio across all filers is 0.20 and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Tamarack Advisers, LP | 675,000 | $21,195,000 | 6.44% |
| First Light Asset Management, LLC | 1,111,740 | $33,174,000 | 4.61% |
| KOPP INVESTMENT ADVISORS LLC | 134,696 | $4,019,000 | 4.58% |
| DAFNA Capital Management LLC | 318,729 | $9,511,000 | 3.58% |
| Endurant Capital Management LP | 219,038 | $6,536,000 | 2.58% |
| QUANTUM CAPITAL MANAGEMENT | 119,440 | $3,564,000 | 1.95% |
| SECTORAL ASSET MANAGEMENT INC | 387,224 | $11,555,000 | 1.38% |
| PERKINS CAPITAL MANAGEMENT INC | 60,750 | $1,813,000 | 1.27% |
| OBERWEIS ASSET MANAGEMENT INC/ | 204,950 | $6,116,000 | 1.11% |
| AlphaOne Investment Services, LLC | 45,801 | $1,367,000 | 1.06% |