ARCA BIOPHARMA INC's ticker is ABIO and the CUSIP is 00211Y506. A total of 28 filers reported holding ARCA BIOPHARMA INC in Q1 2023. The put-call ratio across all filers is 1.30 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $597 | – | 300 | +29900.0% | 0.00% | – |
| Q4 2021 | $0 | – | 1 | -94.1% | 0.00% | – |
| Q3 2021 | $0 | -100.0% | 17 | -100.0% | 0.00% | – |
| Q1 2021 | $149,000 | +831.2% | 40,744 | +952.5% | 0.00% | – |
| Q4 2020 | $16,000 | – | 3,871 | – | 0.00% | – |
| Q1 2020 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q4 2019 | $1,000 | 0.0% | 111 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | 0.0% | 111 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | – | 111 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| BML Capital Management, LLC | 706,930 | $1,406,791 | 1.22% |
| Newtyn Management, LLC | 519,765 | $1,034,332 | 0.20% |
| Murchinson Ltd. | 52,800 | $100,680 | 0.01% |
| Marquette Asset Management, LLC | 17,318 | $34,463 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 46,948 | $93,427 | 0.00% |
| Tekla Capital Management LLC | 32,461 | $64,597 | 0.00% |
| OSAIC HOLDINGS, INC. | 57 | $113 | 0.00% |
| DIMENSIONAL FUND ADVISORS LP | 42,502 | $84,579 | 0.00% |
| Parallel Advisors, LLC | 244 | $486 | 0.00% |
| BANK OF AMERICA CORP /DE/ | 31 | $62 | 0.00% |