BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G950. A total of 4 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $704,000 | – | 35,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 138,400 | $1,066 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 18,200 | $125,944 | 0.00% |
| JANE STREET GROUP, LLC | 54,400 | $376,448 | 0.00% |