ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 217 filers reported holding ATRICURE INC in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $1,728 | -52.6% | 35 | -60.2% | 0.00% | – |
| Q1 2023 | $3,648 | -6.6% | 88 | 0.0% | 0.00% | -100.0% |
| Q4 2022 | $3,905 | +290.5% | 88 | +151.4% | 0.00% | – |
| Q3 2022 | $1,000 | -90.9% | 35 | -87.1% | 0.00% | -100.0% |
| Q2 2022 | $11,000 | -38.9% | 271 | 0.0% | 0.00% | -33.3% |
| Q1 2022 | $18,000 | -48.6% | 271 | -46.7% | 0.00% | -40.0% |
| Q4 2021 | $35,000 | 0.0% | 508 | 0.0% | 0.01% | 0.0% |
| Q3 2021 | $35,000 | +1066.7% | 508 | +1351.4% | 0.01% | – |
| Q2 2021 | $3,000 | – | 35 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Tamarack Advisers, LP | 350,000 | $13,965,000 | 4.30% |
| SECTORAL ASSET MANAGEMENT INC | 708,717 | $28,278,000 | 2.43% |
| First Light Asset Management, LLC | 561,018 | $22,385,000 | 2.29% |
| DAFNA Capital Management LLC | 133,229 | $5,316,000 | 1.73% |
| PERKINS CAPITAL MANAGEMENT INC | 44,350 | $1,770,000 | 1.63% |
| PURA VIDA INVESTMENTS, LLC | 645,003 | $25,736,000 | 1.33% |
| Acuitas Investments, LLC | 46,353 | $1,849,000 | 1.30% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 477,064 | $19,035,000 | 0.84% |
| EMERALD ADVISERS, LLC | 500,848 | $19,984,000 | 0.82% |
| Orbimed Advisors | 1,228,189 | $49,005,000 | 0.62% |