ARCA biopharma Inc's ticker is ABIO and the CUSIP is 00211Y100. A total of 1 filers reported holding ARCA biopharma Inc in Q1 2017. The put-call ratio across all filers is - and the average weighting 1.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $1,318,000 | +0.7% | 462,399 | 0.0% | 1.42% | +10.1% |
| Q3 2016 | $1,309,000 | -2.4% | 462,399 | 0.0% | 1.29% | -7.4% |
| Q2 2016 | $1,341,000 | -16.4% | 462,399 | 0.0% | 1.39% | -0.3% |
| Q1 2016 | $1,605,000 | -25.3% | 462,399 | 0.0% | 1.39% | +7.3% |
| Q4 2015 | $2,150,000 | -71.9% | 462,399 | -70.0% | 1.30% | -33.7% |
| Q3 2015 | $7,645,000 | -38.4% | 1,541,331 | -85.7% | 1.96% | -44.0% |
| Q2 2015 | $12,407,000 | – | 10,789,324 | – | 3.50% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|