BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 236 filers reported holding BLUEBIRD BIO INC in Q2 2021. The put-call ratio across all filers is 1.04 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $74,231 | -44.2% | 23,343 | +11.5% | 0.02% | -53.8% |
| Q3 2022 | $133,000 | -57.8% | 20,940 | +112.7% | 0.05% | -81.9% |
| Q2 2021 | $315,000 | -31.8% | 9,846 | +87.0% | 0.29% | -22.8% |
| Q4 2019 | $462,000 | +97.4% | 5,265 | +106.9% | 0.37% | +74.6% |
| Q3 2019 | $234,000 | -74.2% | 2,545 | -56.0% | 0.21% | -26.0% |
| Q2 2018 | $908,000 | +50.3% | 5,783 | +31.4% | 0.29% | +68.4% |
| Q3 2017 | $604,000 | -33.1% | 4,400 | -48.8% | 0.17% | -45.2% |
| Q2 2017 | $903,000 | +150.1% | 8,600 | +1.2% | 0.31% | +29.5% |
| Q1 2016 | $361,000 | – | 8,500 | – | 0.24% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sessa Capital IM, L.P. | 1,834,965 | $35,066,000 | 1.72% |
| Birchview Capital, LP | 84,000 | $1,605,000 | 1.09% |
| ARMISTICE CAPITAL, LLC | 2,472,000 | $47,240,000 | 0.80% |
| EcoR1 Capital, LLC | 802,507 | $15,336,000 | 0.53% |
| Parametrica Management Ltd | 36,919 | $706,000 | 0.53% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $7,239,000 | 0.45% |
| APPLETON GROUP, LLC | 19,495 | $373,000 | 0.32% |
| MANGROVE PARTNERS IM, LLC | 175,587 | $3,355,000 | 0.30% |
| Quinn Opportunity Partners LLC | 230,100 | $4,397,000 | 0.28% |
| PDT Partners, LLC | 171,700 | $3,281,000 | 0.24% |