ARCA BIOPHARMA INC's ticker is ABIO and the CUSIP is 00211Y506. A total of 24 filers reported holding ARCA BIOPHARMA INC in Q1 2022. The put-call ratio across all filers is 0.59 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $21,708 | -31.6% | 10,800 | -31.0% | 0.00% | – |
| Q2 2023 | $31,751 | -61.3% | 15,641 | -62.0% | 0.00% | – |
| Q1 2023 | $82,010 | +63.3% | 41,211 | +93.7% | 0.00% | – |
| Q4 2022 | $50,223 | -48.2% | 21,281 | -54.5% | 0.00% | – |
| Q3 2022 | $97,000 | -58.7% | 46,810 | -50.3% | 0.00% | – |
| Q2 2022 | $235,000 | -1.3% | 94,133 | -8.6% | 0.00% | – |
| Q1 2022 | $238,000 | +23.3% | 102,937 | +15.1% | 0.00% | – |
| Q4 2021 | $193,000 | -14.2% | 89,467 | +18.0% | 0.00% | – |
| Q3 2021 | $225,000 | -16.4% | 75,807 | -1.1% | 0.00% | – |
| Q2 2021 | $269,000 | +2.7% | 76,686 | +6.8% | 0.00% | – |
| Q1 2021 | $262,000 | +482.2% | 71,798 | +605.8% | 0.00% | – |
| Q3 2020 | $45,000 | – | 10,172 | – | 0.00% | – |
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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% |