BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 166 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is 0.94 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $21,000 | -12.5% | 5 | 0.0% | 0.00% | – |
| Q1 2022 | $24,000 | -52.0% | 5 | 0.0% | 0.00% | – |
| Q4 2021 | $50,000 | -47.9% | 5 | 0.0% | 0.00% | – |
| Q3 2021 | $96,000 | -33.3% | 5 | 0.0% | 0.00% | – |
| Q2 2021 | $144,000 | -4.6% | 5 | 0.0% | 0.00% | – |
| Q1 2021 | $151,000 | -30.1% | 5 | 0.0% | 0.00% | – |
| Q4 2020 | $216,000 | -20.0% | 5 | 0.0% | 0.00% | – |
| Q3 2020 | $270,000 | -11.5% | 5 | 0.0% | 0.00% | – |
| Q2 2020 | $305,000 | +32.6% | 5 | 0.0% | 0.00% | – |
| Q1 2020 | $230,000 | -50.9% | 5 | 0.0% | 0.00% | – |
| Q4 2019 | $468,000 | +2.0% | 5 | 0.0% | 0.00% | – |
| Q3 2019 | $459,000 | -27.8% | 5 | 0.0% | 0.00% | – |
| Q2 2019 | $636,000 | -19.1% | 5 | 0.0% | 0.00% | – |
| Q1 2019 | $786,000 | -97.7% | 5 | -98.6% | 0.00% | -100.0% |
| Q4 2018 | $34,412,000 | – | 347 | – | 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% |