BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 124 filers reported holding BLUEBIRD BIO INC in Q3 2014. The put-call ratio across all filers is 0.26 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q3 2021 | $0 | -100.0% | 25 | 0.0% | 0.00% | – |
| Q2 2021 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | 0.0% | 25 | +56.2% | 0.00% | – |
| Q1 2020 | $1,000 | 0.0% | 16 | 0.0% | 0.00% | – |
| Q4 2019 | $1,000 | 0.0% | 16 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | -50.0% | 16 | 0.0% | 0.00% | – |
| Q2 2019 | $2,000 | 0.0% | 16 | 0.0% | 0.00% | – |
| Q4 2018 | $2,000 | 0.0% | 16 | 0.0% | 0.00% | -100.0% |
| Q3 2017 | $2,000 | -100.0% | 16 | -94.9% | 0.00% | -66.7% |
| Q4 2016 | $19,000,000 | +126566.7% | 316 | +46.3% | 0.00% | 0.0% |
| Q3 2016 | $15,000 | +400.0% | 216 | +260.0% | 0.00% | +200.0% |
| Q4 2015 | $3,000 | -25.0% | 60 | +9.1% | 0.00% | 0.0% |
| Q3 2015 | $4,000 | -90.5% | 55 | -78.4% | 0.00% | -92.9% |
| Q2 2015 | $42,000 | +75.0% | 255 | +27.5% | 0.01% | +75.0% |
| Q1 2015 | $24,000 | +33.3% | 200 | 0.0% | 0.01% | +33.3% |
| Q4 2014 | $18,000 | +157.1% | 200 | 0.0% | 0.01% | +500.0% |
| Q3 2014 | $7,000 | 0.0% | 200 | 0.0% | 0.00% | -75.0% |
| Q2 2014 | $7,000 | – | 200 | – | 0.00% | – |
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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% |