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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $480,000 | -20.7% | 14,768 | -39.1% | 0.02% | -20.0% |
| Q3 2019 | $605,000 | +76.9% | 24,268 | +111.6% | 0.03% | +57.9% |
| Q2 2019 | $342,000 | -60.6% | 11,468 | -53.8% | 0.02% | -52.5% |
| Q3 2018 | $869,000 | +77.7% | 24,833 | +4.2% | 0.04% | +100.0% |
| Q1 2018 | $489,000 | -13.3% | 23,833 | -23.0% | 0.02% | -20.0% |
| Q4 2017 | $564,000 | +42.8% | 30,933 | +89.7% | 0.02% | +19.0% |
| Q2 2017 | $395,000 | +16.2% | 16,302 | -6.3% | 0.02% | +5.0% |
| Q4 2016 | $340,000 | -17.3% | 17,400 | +4.3% | 0.02% | +42.9% |
| Q2 2015 | $411,000 | +66.4% | 16,682 | -0.8% | 0.01% | +27.3% |
| Q3 2014 | $247,000 | -32.9% | 16,821 | -14.1% | 0.01% | -42.1% |
| Q1 2014 | $368,000 | +4.0% | 19,583 | +3.1% | 0.02% | 0.0% |
| Q4 2013 | $354,000 | – | 18,999 | – | 0.02% | – |
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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% |