BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 294 filers reported holding BLUEBIRD BIO INC in Q3 2018. The put-call ratio across all filers is 0.85 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $216,000 | -19.1% | 1,695 | 0.0% | 0.05% | -23.9% |
| Q1 2019 | $267,000 | +8.1% | 1,695 | 0.0% | 0.07% | +13.6% |
| Q3 2018 | $247,000 | -4.3% | 1,695 | +3.0% | 0.06% | -9.2% |
| Q2 2018 | $258,000 | -6.2% | 1,645 | +2.2% | 0.06% | -9.7% |
| Q1 2018 | $275,000 | +13.6% | 1,610 | +18.4% | 0.07% | +18.0% |
| Q4 2017 | $242,000 | +19.2% | 1,360 | -8.1% | 0.06% | +8.9% |
| Q3 2017 | $203,000 | – | 1,480 | – | 0.06% | – |
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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% |