ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 161 filers reported holding ATRICURE INC in Q1 2019. The put-call ratio across all filers is 0.14 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $19,316 | -13.6% | 441 | -2.6% | 0.00% | – |
| Q2 2023 | $22,360 | +38.3% | 453 | +16.2% | 0.00% | – |
| Q1 2023 | $16,165 | -2.9% | 390 | +4.0% | 0.00% | – |
| Q4 2022 | $16,643 | +4.0% | 375 | -6.7% | 0.00% | – |
| Q3 2022 | $16,000 | 0.0% | 402 | 0.0% | 0.00% | – |
| Q2 2022 | $16,000 | -46.7% | 402 | -10.9% | 0.00% | – |
| Q1 2022 | $30,000 | +650.0% | 451 | +767.3% | 0.00% | – |
| Q4 2021 | $4,000 | +300.0% | 52 | +225.0% | 0.00% | – |
| Q3 2021 | $1,000 | -88.9% | 16 | -94.7% | 0.00% | – |
| Q2 2019 | $9,000 | +12.5% | 300 | 0.0% | 0.00% | – |
| Q1 2019 | $8,000 | -11.1% | 300 | 0.0% | 0.00% | – |
| Q4 2018 | $9,000 | +350.0% | 300 | +191.3% | 0.00% | – |
| Q1 2016 | $2,000 | +100.0% | 103 | +56.1% | 0.00% | – |
| Q4 2015 | $1,000 | -50.0% | 66 | -21.4% | 0.00% | – |
| Q3 2015 | $2,000 | -33.3% | 84 | -17.6% | 0.00% | – |
| Q2 2015 | $3,000 | +50.0% | 102 | -1.0% | 0.00% | – |
| Q1 2015 | $2,000 | 0.0% | 103 | +14.4% | 0.00% | – |
| Q4 2014 | $2,000 | – | 90 | – | 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% |