BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G950. A total of 4 filers reported holding BLUEBIRD BIO INC in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.1%.
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 ↓ |
---|---|---|---|
SABBY MANAGEMENT, LLC | 406 | $3,473,000 | 0.14% |
GROUP ONE TRADING, L.P. | 52,900 | $4,526,000 | 0.06% |
SIMPLEX TRADING, LLC | 203 | $786,000 | 0.06% |
Citadel Advisors | 39,600 | $3,388,000 | 0.00% |