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 | ||||
|---|---|---|---|---|---|---|
| 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 ↓ |
|---|---|---|---|
| SG3 Management, LLC | 100,000 | $249,000 | 0.03% |
| Murchinson Ltd. | 50,593 | $126,000 | 0.02% |
| Marquette Asset Management, LLC | 17,318 | $43,000 | 0.01% |
| SG3 Management, LLC | 22,706 | $57,000 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 46,948 | $117,000 | 0.00% |
| Tekla Capital Management LLC | 32,461 | $81,000 | 0.00% |
| BAILARD, INC. | 35,000 | $87,000 | 0.00% |
| GROUP ONE TRADING, L.P. | 131,501 | $327,000 | 0.00% |
| TWO SIGMA SECURITIES, LLC | 10,238 | $25,000 | 0.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 882,900 | $2,198,000 | 0.00% |