ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 212 filers reported holding ATRICURE INC in Q2 2021. The put-call ratio across all filers is 0.20 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $24,000 | -69.6% | 338 | -70.3% | 0.00% | – |
| Q3 2021 | $79,000 | -19.4% | 1,138 | -7.5% | 0.00% | – |
| Q2 2021 | $98,000 | +6.5% | 1,230 | -12.1% | 0.00% | – |
| Q1 2021 | $92,000 | -25.8% | 1,400 | -37.0% | 0.00% | – |
| Q4 2020 | $124,000 | -9.5% | 2,222 | -35.1% | 0.00% | – |
| Q3 2020 | $137,000 | +90.3% | 3,422 | +113.9% | 0.00% | – |
| Q2 2020 | $72,000 | -92.9% | 1,600 | -94.7% | 0.00% | -100.0% |
| Q1 2020 | $1,014,000 | +184.8% | 30,195 | +175.9% | 0.01% | +300.0% |
| Q4 2019 | $356,000 | +39.1% | 10,946 | +6.6% | 0.00% | 0.0% |
| Q3 2019 | $256,000 | +631.4% | 10,267 | +327.8% | 0.00% | +100.0% |
| Q3 2014 | $35,000 | -20.5% | 2,400 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $44,000 | +450.0% | 2,400 | +500.0% | 0.00% | – |
| Q1 2014 | $8,000 | – | 400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Hudson Executive Capital LP | 3,710,000 | $82,992,000 | 20.87% |
| First Light Asset Management, LLC | 1,033,736 | $23,125,000 | 7.32% |
| DAFNA Capital Management LLC | 384,145 | $8,593,000 | 5.34% |
| KOPP INVESTMENT ADVISORS LLC | 114,599 | $2,564,000 | 2.35% |
| PERKINS CAPITAL MANAGEMENT INC | 92,950 | $2,079,000 | 2.18% |
| Tamarack Advisers, LP | 100,000 | $2,237,000 | 1.37% |
| AlphaOne Investment Services, LLC | 170,525 | $3,815,000 | 1.01% |
| EMERALD ADVISERS, LLC | 560,701 | $12,543,000 | 0.51% |
| PEREGRINE CAPITAL MANAGEMENT LLC | 924,740 | $20,686,000 | 0.50% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 499,190 | $11,167,000 | 0.46% |