BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G950. A total of 6 filers reported holding BLUEBIRD BIO 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 | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $459,000 | -90.7% | 50 | -87.1% | 0.04% | -90.6% |
| Q2 2019 | $4,922,000 | +62.1% | 387 | +100.5% | 0.45% | +52.4% |
| Q1 2019 | $3,037,000 | +56.2% | 193 | -1.5% | 0.29% | +3.9% |
| Q4 2018 | $1,944,000 | -47.0% | 196 | -21.9% | 0.28% | -21.8% |
| Q3 2018 | $3,665,000 | -37.6% | 251 | -32.9% | 0.36% | -29.2% |
| Q2 2018 | $5,870,000 | +324.1% | 374 | +361.7% | 0.51% | +211.6% |
| Q1 2018 | $1,384,000 | – | 81 | – | 0.16% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 678,400 | $2,062,336 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| SIMPLEX TRADING, LLC | 176,000 | $535 | 0.00% |
| JANE STREET GROUP, LLC | 168,600 | $512,544 | 0.00% |