ARCA BIOPHARMA INC's ticker is ABIO and the CUSIP is 00211Y506. A total of 18 filers reported holding ARCA BIOPHARMA INC in Q1 2021. The put-call ratio across all filers is 0.62 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $65,896 | +2.0% | 32,461 | 0.0% | 0.00% | +50.0% |
| Q1 2023 | $64,597 | -15.7% | 32,461 | 0.0% | 0.00% | -33.3% |
| Q4 2022 | $76,608 | +14.3% | 32,461 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $67,000 | -17.3% | 32,461 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $81,000 | +8.0% | 32,461 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $75,000 | +7.1% | 32,461 | 0.0% | 0.00% | +50.0% |
| Q4 2021 | $70,000 | -27.1% | 32,461 | 0.0% | 0.00% | -33.3% |
| Q3 2021 | $96,000 | -15.0% | 32,461 | 0.0% | 0.00% | -25.0% |
| Q2 2021 | $113,000 | -4.2% | 32,461 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $118,000 | -9.2% | 32,461 | 0.0% | 0.00% | -20.0% |
| Q4 2020 | $130,000 | -9.1% | 32,461 | 0.0% | 0.01% | 0.0% |
| Q3 2020 | $143,000 | -33.5% | 32,461 | 0.0% | 0.01% | -37.5% |
| Q2 2020 | $215,000 | +115.0% | 32,461 | -10.0% | 0.01% | +60.0% |
| Q1 2020 | $100,000 | -51.5% | 36,068 | 0.0% | 0.01% | -37.5% |
| Q4 2019 | $206,000 | +7.3% | 36,068 | 0.0% | 0.01% | 0.0% |
| Q3 2019 | $192,000 | -27.3% | 36,068 | 0.0% | 0.01% | -27.3% |
| Q2 2019 | $264,000 | – | 36,068 | – | 0.01% | – |
Download | ||||||
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% |