ARCA BIOPHARMA INC's ticker is ABIO and the CUSIP is 00211Y209. A total of 22 filers reported holding ARCA BIOPHARMA INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| FIRST NEW YORK SECURITIES LLC /NY | 8,049 | $14,000 | 0.01% |
| DRW Securities, LLC | 100,000 | $168,000 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 120,000 | $202,000 | 0.01% |
| Tower Research Capital LLC (TRC) | 14,877 | $25,000 | 0.00% |
| Renaissance Technologies | 615,182 | $1,034,000 | 0.00% |
| HighTower Advisors, LLC | 43,000 | $72,000 | 0.00% |
| BLACKROCK ADVISORS LLC | 5,487 | $9,000 | 0.00% |
| UBS AG | 175 | $0 | 0.00% |
| NOMURA HOLDINGS INC | 1,200 | $2,000 | 0.00% |
| BANK OF AMERICA CORP /DE/ | 70,781 | $119,000 | 0.00% |