ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 192 filers reported holding ATRICURE INC in Q1 2021. The put-call ratio across all filers is 0.09 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $127,326 | -90.1% | 2,907 | -91.7% | 0.01% | -78.6% |
| Q2 2023 | $1,291,917 | +1716.2% | 35,116 | +1095.6% | 0.03% | +833.3% |
| Q1 2023 | $71,133 | +79824.7% | 2,937 | -17.3% | 0.00% | +50.0% |
| Q4 2022 | $89 | -99.9% | 3,551 | +0.2% | 0.00% | 0.0% |
| Q3 2022 | $89,000 | +3.5% | 3,544 | +4.1% | 0.00% | -33.3% |
| Q2 2022 | $86,000 | -43.4% | 3,406 | -42.9% | 0.00% | +50.0% |
| Q1 2022 | $152,000 | -13.1% | 5,963 | +136.8% | 0.00% | -33.3% |
| Q4 2021 | $175,000 | -0.6% | 2,518 | -0.2% | 0.00% | -25.0% |
| Q3 2021 | $176,000 | -4.3% | 2,524 | +8.6% | 0.00% | 0.0% |
| Q2 2021 | $184,000 | +21.1% | 2,324 | -0.0% | 0.00% | +33.3% |
| Q1 2021 | $152,000 | +40.7% | 2,325 | +19.8% | 0.00% | -25.0% |
| Q4 2020 | $108,000 | +170.0% | 1,940 | +87.4% | 0.00% | +100.0% |
| Q3 2020 | $40,000 | +29.0% | 1,035 | +42.2% | 0.00% | 0.0% |
| Q2 2020 | $31,000 | +1450.0% | 728 | +628.0% | 0.00% | – |
| Q4 2015 | $2,000 | – | 100 | – | 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% |