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 | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $56,000 | +5.7% | 13,728 | +24.6% | 0.00% | +100.0% |
| Q1 2022 | $53,000 | +82.8% | 11,016 | +613.0% | 0.00% | 0.0% |
| Q3 2021 | $29,000 | -40.8% | 1,545 | +0.7% | 0.00% | 0.0% |
| Q2 2021 | $49,000 | +8.9% | 1,535 | +1.3% | 0.00% | 0.0% |
| Q1 2021 | $45,000 | -31.8% | 1,515 | -1.3% | 0.00% | -50.0% |
| Q4 2020 | $66,000 | +120.0% | 1,535 | +171.2% | 0.00% | +100.0% |
| Q3 2020 | $30,000 | -71.7% | 566 | -67.7% | 0.00% | -80.0% |
| Q2 2020 | $106,000 | – | 1,751 | – | 0.01% | – |
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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% |