ARCA BIOPHARMA INC's ticker is ABIO and the CUSIP is 00211Y506. A total of 14 filers reported holding ARCA BIOPHARMA INC in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $661,000 | – | 95,715 | – | 0.29% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Newtyn Management, LLC | 500,000 | $1,030,000 | 0.23% |
| SG3 Management, LLC | 200,000 | $412,000 | 0.03% |
| Marquette Asset Management, LLC | 17,318 | $36,000 | 0.01% |
| SG3 Management, LLC | 75,412 | $155,674 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 46,948 | $97,000 | 0.00% |
| Tekla Capital Management LLC | 32,461 | $67,000 | 0.00% |
| Virtu Financial LLC | 14,221 | $29,000 | 0.00% |
| GROUP ONE TRADING, L.P. | 144,284 | $297,000 | 0.00% |
| WELLS FARGO & COMPANY/MN | 96 | $0 | 0.00% |
| NORTHERN TRUST CORP | 17,517 | $36,000 | 0.00% |