BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G950. A total of 2 filers reported holding BLUEBIRD BIO INC in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $1,216,000 | -37.8% | 28,100 | -38.9% | 0.00% | -50.0% |
| Q1 2016 | $1,955,000 | -16.1% | 46,000 | +26.7% | 0.00% | -33.3% |
| Q4 2015 | $2,331,000 | -31.2% | 36,300 | -8.3% | 0.00% | 0.0% |
| Q3 2015 | $3,388,000 | -50.1% | 39,600 | -1.7% | 0.00% | -50.0% |
| Q2 2015 | $6,785,000 | +94.4% | 40,300 | +39.4% | 0.01% | +100.0% |
| Q1 2015 | $3,490,000 | +13.9% | 28,900 | -13.5% | 0.00% | 0.0% |
| Q4 2014 | $3,063,000 | +542.1% | 33,400 | +151.1% | 0.00% | – |
| Q3 2014 | $477,000 | +40.7% | 13,300 | +51.1% | 0.00% | – |
| Q2 2014 | $339,000 | – | 8,800 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 305,200 | $970 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 29,900 | $95,082 | 0.00% |
| JANE STREET GROUP, LLC | 369,300 | $1,174,374 | 0.00% |