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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $726,598 | +34.7% | 16,589 | +51.8% | 0.05% | +40.0% |
| Q2 2023 | $539,357 | +0.3% | 10,927 | -15.7% | 0.04% | -7.9% |
| Q1 2023 | $537,565 | +359.5% | 12,969 | +351.1% | 0.04% | +245.5% |
| Q2 2022 | $117,000 | +11600.0% | 2,875 | +13590.5% | 0.01% | – |
| Q3 2021 | $1,000 | -99.5% | 21 | -99.6% | 0.00% | -100.0% |
| Q3 2020 | $219,000 | +192.0% | 5,513 | +137.7% | 0.02% | +257.1% |
| Q4 2019 | $75,000 | -26.5% | 2,319 | -43.4% | 0.01% | -30.0% |
| Q3 2019 | $102,000 | -59.7% | 4,100 | -51.8% | 0.01% | -60.0% |
| Q2 2019 | $253,000 | +75.7% | 8,500 | +57.4% | 0.02% | +78.6% |
| Q1 2019 | $144,000 | +300.0% | 5,400 | +350.0% | 0.01% | +250.0% |
| Q4 2018 | $36,000 | – | 1,200 | – | 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% |