ARCA BIOPHARMA INC's ticker is ABIO and the CUSIP is 00211Y506. A total of 24 filers reported holding ARCA BIOPHARMA INC in Q3 2023. The put-call ratio across all filers is 0.00 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $142,985 | -1.7% | 71,137 | -0.7% | 0.00% | – |
| Q2 2023 | $145,423 | +2.0% | 71,637 | 0.0% | 0.00% | – |
| Q1 2023 | $142,558 | -57.8% | 71,637 | -50.0% | 0.00% | – |
| Q4 2022 | $338,126 | +128.5% | 143,274 | +100.0% | 0.00% | – |
| Q3 2022 | $148,000 | -16.9% | 71,637 | 0.0% | 0.00% | – |
| Q2 2022 | $178,000 | +10.6% | 71,637 | +2.4% | 0.00% | – |
| Q1 2022 | $161,000 | +7.3% | 69,937 | 0.0% | 0.00% | – |
| Q4 2021 | $150,000 | -27.5% | 69,937 | 0.0% | 0.00% | – |
| Q3 2021 | $207,000 | -14.1% | 69,937 | +1.3% | 0.00% | – |
| Q2 2021 | $241,000 | – | 69,037 | – | 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% |