ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 192 filers reported holding ATRICURE INC in Q1 2021. The put-call ratio across all filers is 0.09 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $594,000 | -13.2% | 9,039 | -8.1% | 0.02% | 0.0% |
| Q4 2021 | $684,000 | +94.9% | 9,839 | +95.0% | 0.02% | +118.2% |
| Q3 2021 | $351,000 | -62.0% | 5,045 | -56.7% | 0.01% | -50.0% |
| Q2 2021 | $924,000 | +21.1% | 11,647 | 0.0% | 0.02% | +22.2% |
| Q1 2021 | $763,000 | -2.3% | 11,647 | -17.0% | 0.02% | +5.9% |
| Q4 2020 | $781,000 | -36.9% | 14,036 | -54.7% | 0.02% | -37.0% |
| Q3 2020 | $1,237,000 | -16.8% | 30,999 | -6.3% | 0.03% | -18.2% |
| Q2 2020 | $1,487,000 | -0.2% | 33,076 | -25.4% | 0.03% | -5.7% |
| Q1 2020 | $1,490,000 | +718.7% | 44,346 | +691.6% | 0.04% | +775.0% |
| Q4 2019 | $182,000 | – | 5,602 | – | 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% |