BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G900. A total of 5 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $329,000 | -30.3% | 109 | 0.0% | 0.01% | -33.3% |
| Q4 2020 | $472,000 | +10.5% | 109 | +17.2% | 0.02% | -48.6% |
| Q1 2020 | $427,000 | -75.8% | 93 | -51.6% | 0.04% | -78.4% |
| Q3 2019 | $1,762,000 | -72.9% | 192 | -70.7% | 0.16% | -82.9% |
| Q4 2018 | $6,506,000 | -34.2% | 656 | +4.1% | 0.95% | +10.1% |
| Q2 2018 | $9,888,000 | – | 630 | – | 0.86% | – |
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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% |