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 | 600,000 | $18,360,000 | 7.49% |
| DAFNA Capital Management LLC | 318,729 | $9,753,000 | 4.85% |
| First Light Asset Management, LLC | 965,797 | $29,553,000 | 4.71% |
| KOPP INVESTMENT ADVISORS LLC | 142,882 | $4,372,000 | 4.26% |
| Hudson Executive Capital LP | 5,317,956 | $162,728,000 | 4.13% |
| QUANTUM CAPITAL MANAGEMENT | 126,190 | $3,861,000 | 2.24% |
| PERKINS CAPITAL MANAGEMENT INC | 75,750 | $2,318,000 | 1.80% |
| AlphaOne Investment Services, LLC | 133,286 | $4,079,000 | 1.69% |
| OBERWEIS ASSET MANAGEMENT INC/ | 231,120 | $7,072,000 | 1.58% |
| SECTORAL ASSET MANAGEMENT INC | 355,728 | $10,885,000 | 1.48% |