BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 240 filers reported holding BLUEBIRD BIO INC in Q2 2015. The put-call ratio across all filers is 1.07 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $4,033,000 | -34.9% | 94,891 | -1.6% | 0.01% | -33.3% |
| Q4 2015 | $6,192,000 | -26.7% | 96,418 | -2.4% | 0.01% | -29.4% |
| Q3 2015 | $8,452,000 | -22.3% | 98,795 | +52.8% | 0.02% | -15.0% |
| Q2 2015 | $10,883,000 | +20.8% | 64,639 | -13.3% | 0.02% | +25.0% |
| Q1 2015 | $9,006,000 | +24.3% | 74,573 | -5.6% | 0.02% | +23.1% |
| Q4 2014 | $7,248,000 | – | 79,021 | – | 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% |