ARCA BIOPHARMA INC's ticker is and the CUSIP is 00211Y956. A total of 3 filers reported holding ARCA BIOPHARMA INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $45,770 | +384.9% | 23,000 | +475.0% | 0.00% | – |
| Q4 2022 | $9,440 | -99.1% | 4,000 | -99.3% | 0.00% | -100.0% |
| Q3 2022 | $1,105,000 | -17.9% | 536,300 | -0.8% | 0.00% | 0.0% |
| Q2 2022 | $1,346,000 | +134500.0% | 540,600 | +108020.0% | 0.00% | – |
| Q1 2022 | $1,000 | -50.0% | 500 | -54.5% | 0.00% | – |
| Q4 2021 | $2,000 | -90.5% | 1,100 | -84.7% | 0.00% | – |
| Q3 2021 | $21,000 | – | 7,200 | +7100.0% | 0.00% | – |
| Q1 2021 | $0 | – | 100 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 7,200 | $21,000 | 0.00% |
| SIMPLEX TRADING, LLC | 12,500 | $43,000 | 0.00% |