BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 219 filers reported holding BLUEBIRD BIO INC in Q1 2017. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $2,642,000 | -9.0% | 18,100 | -2.2% | 0.47% | -15.1% |
| Q2 2018 | $2,904,000 | -29.1% | 18,500 | -22.9% | 0.56% | -60.3% |
| Q1 2018 | $4,098,000 | -13.2% | 24,000 | -9.4% | 1.40% | -23.1% |
| Q4 2017 | $4,720,000 | +329.5% | 26,500 | +231.2% | 1.82% | +477.5% |
| Q3 2017 | $1,099,000 | -58.2% | 8,000 | -68.0% | 0.32% | -65.7% |
| Q2 2017 | $2,627,000 | +52.1% | 25,000 | +31.6% | 0.92% | +8.9% |
| Q1 2017 | $1,727,000 | -60.9% | 19,000 | -27.5% | 0.84% | -57.5% |
| Q2 2015 | $4,412,000 | +102.9% | 26,200 | +45.6% | 1.99% | +36.9% |
| Q1 2015 | $2,174,000 | +21.5% | 18,000 | -7.7% | 1.45% | +10.9% |
| Q4 2014 | $1,789,000 | – | 19,500 | – | 1.31% | – |
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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% |