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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $4,394 | +9886.4% | 106 | +10500.0% | 0.00% | – |
| Q4 2022 | $44 | -98.9% | 1 | -99.0% | 0.00% | -100.0% |
| Q3 2022 | $4,000 | 0.0% | 99 | +1.0% | 0.00% | 0.0% |
| Q2 2022 | $4,000 | -33.3% | 98 | +10.1% | 0.00% | 0.0% |
| Q4 2021 | $6,000 | 0.0% | 89 | +2.3% | 0.00% | 0.0% |
| Q3 2021 | $6,000 | -14.3% | 87 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $7,000 | +250.0% | 87 | +171.9% | 0.00% | 0.0% |
| Q1 2021 | $2,000 | – | 32 | – | 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% |