BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 255 filers reported holding BLUEBIRD BIO INC in Q4 2018. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $223,000 | -17.1% | 5,153 | +3.5% | 0.00% | -33.3% |
| Q3 2020 | $269,000 | +3.1% | 4,980 | +16.4% | 0.00% | 0.0% |
| Q2 2020 | $261,000 | +314.3% | 4,279 | +213.7% | 0.00% | +200.0% |
| Q1 2020 | $63,000 | -94.7% | 1,364 | -89.9% | 0.00% | -93.8% |
| Q4 2019 | $1,184,000 | -96.5% | 13,497 | -96.3% | 0.02% | -96.9% |
| Q3 2019 | $33,921,000 | +627.6% | 369,424 | +907.9% | 0.51% | +56.7% |
| Q2 2019 | $4,662,000 | +23.2% | 36,652 | +52.4% | 0.33% | -27.6% |
| Q1 2019 | $3,783,000 | +78.7% | 24,048 | +12.7% | 0.45% | +55.7% |
| Q4 2018 | $2,117,000 | -34.0% | 21,337 | -2.9% | 0.29% | -31.0% |
| Q3 2018 | $3,209,000 | +29.6% | 21,980 | +39.3% | 0.42% | +10.6% |
| Q2 2018 | $2,476,000 | +11.0% | 15,775 | +20.7% | 0.38% | +17.3% |
| Q1 2018 | $2,231,000 | – | 13,068 | – | 0.32% | – |
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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% |