ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 151 filers reported holding ATRICURE INC in Q4 2018. The put-call ratio across all filers is 0.04 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $222,000 | -65.7% | 2,800 | -82.8% | 0.00% | -100.0% |
| Q3 2020 | $648,000 | -86.8% | 16,233 | -85.1% | 0.00% | -88.9% |
| Q2 2020 | $4,901,000 | +128.0% | 109,022 | +35.8% | 0.01% | +80.0% |
| Q1 2019 | $2,150,000 | +543.7% | 80,257 | +741.5% | 0.01% | +400.0% |
| Q3 2018 | $334,000 | -76.4% | 9,537 | -85.0% | 0.00% | -75.0% |
| Q3 2017 | $1,418,000 | – | 63,400 | – | 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% |