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 | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $436,000 | -62.7% | 2,769 | -62.9% | 0.01% | -57.9% |
| Q2 2018 | $1,170,000 | -21.9% | 7,457 | -15.0% | 0.02% | -29.6% |
| Q1 2018 | $1,498,000 | -35.5% | 8,772 | -32.8% | 0.03% | -28.9% |
| Q4 2017 | $2,324,000 | -9.7% | 13,051 | -30.4% | 0.04% | -7.3% |
| Q3 2017 | $2,575,000 | +16.2% | 18,748 | -11.1% | 0.04% | +17.1% |
| Q2 2017 | $2,216,000 | -13.1% | 21,096 | -24.8% | 0.04% | -7.9% |
| Q1 2017 | $2,550,000 | +69.5% | 28,050 | +15.0% | 0.04% | +72.7% |
| Q4 2016 | $1,504,000 | – | 24,384 | – | 0.02% | – |
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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% |