BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 249 filers reported holding BLUEBIRD BIO INC in Q3 2017. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $3,190,000 | -41.8% | 21,850 | -37.5% | 0.30% | -38.6% |
| Q2 2018 | $5,485,000 | +378.2% | 34,950 | +420.1% | 0.49% | +345.5% |
| Q1 2018 | $1,147,000 | +56.3% | 6,720 | +63.1% | 0.11% | +80.3% |
| Q4 2017 | $734,000 | +2.8% | 4,120 | -20.8% | 0.06% | +27.1% |
| Q3 2017 | $714,000 | +240.0% | 5,200 | +160.0% | 0.05% | +220.0% |
| Q2 2017 | $210,000 | -67.4% | 2,000 | -71.8% | 0.02% | -63.4% |
| Q1 2017 | $645,000 | +16.2% | 7,100 | -21.1% | 0.04% | +10.8% |
| Q4 2016 | $555,000 | – | 9,000 | – | 0.04% | – |
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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% |