BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G950. A total of 5 filers reported holding BLUEBIRD BIO INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $8,638,000 | +11.3% | 485 | -14.2% | 0.79% | +55.2% |
| Q3 2017 | $7,760,000 | +56.2% | 565 | +19.5% | 0.51% | +56.0% |
| Q2 2017 | $4,969,000 | +659.8% | 473 | +556.9% | 0.32% | +828.6% |
| Q1 2017 | $654,000 | -80.3% | 72 | -86.0% | 0.04% | -80.8% |
| Q4 2015 | $3,314,000 | -4.6% | 516 | +27.1% | 0.18% | +27.3% |
| Q3 2015 | $3,473,000 | -76.8% | 406 | -54.3% | 0.14% | -73.8% |
| Q2 2015 | $14,968,000 | +204.5% | 889 | +118.4% | 0.55% | +166.3% |
| Q1 2015 | $4,915,000 | – | 407 | – | 0.20% | – |
Download | ||||||
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% |