BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G900. A total of 5 filers reported holding BLUEBIRD BIO INC in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $1,113,336 | -74.6% | 338,400 | +576.8% | 0.00% | -100.0% |
| Q4 2019 | $4,388,000 | +57.4% | 50,000 | +122.2% | 0.00% | 0.0% |
| Q2 2019 | $2,788,000 | -65.6% | 22,500 | -72.5% | 0.00% | -50.0% |
| Q4 2018 | $8,105,000 | +25.3% | 81,700 | +84.4% | 0.00% | +100.0% |
| Q3 2018 | $6,468,000 | +408.9% | 44,300 | +446.9% | 0.00% | – |
| Q2 2018 | $1,271,000 | -73.6% | 8,100 | -70.0% | 0.00% | -100.0% |
| Q4 2017 | $4,809,000 | – | 27,000 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 352,800 | $1,072,512 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| JANE STREET GROUP, LLC | 114,500 | $348,080 | 0.00% |
| SIMPLEX TRADING, LLC | 137,700 | $407 | 0.00% |