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 | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $46,000 | -60.3% | 657 | -55.2% | 0.00% | -100.0% |
| Q2 2021 | $116,000 | +190.0% | 1,466 | +141.1% | 0.00% | – |
| Q1 2021 | $40,000 | -14.9% | 608 | -41.4% | 0.00% | -100.0% |
| Q2 2020 | $47,000 | +74.1% | 1,038 | +30.1% | 0.00% | 0.0% |
| Q1 2020 | $27,000 | +285.7% | 798 | +196.7% | 0.00% | – |
| Q1 2019 | $7,000 | -12.5% | 269 | +5.9% | 0.00% | – |
| Q4 2018 | $8,000 | +14.3% | 254 | +23.9% | 0.00% | – |
| Q3 2018 | $7,000 | – | 205 | – | 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% |