BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 314 filers reported holding BLUEBIRD BIO INC in Q2 2018. The put-call ratio across all filers is 0.60 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $4,055,000 | -39.3% | 134,492 | -12.9% | 0.00% | -40.0% |
| Q4 2020 | $6,684,000 | -10.3% | 154,465 | +11.9% | 0.01% | -28.6% |
| Q3 2020 | $7,450,000 | -7.3% | 138,100 | +4.9% | 0.01% | -12.5% |
| Q2 2020 | $8,033,000 | +54.8% | 131,600 | +16.6% | 0.01% | +33.3% |
| Q1 2020 | $5,189,000 | -50.3% | 112,900 | -5.2% | 0.01% | -33.3% |
| Q4 2019 | $10,451,000 | +8.9% | 119,100 | +14.0% | 0.01% | -10.0% |
| Q3 2019 | $9,595,000 | +15.7% | 104,500 | +60.3% | 0.01% | 0.0% |
| Q2 2019 | $8,293,000 | -20.9% | 65,200 | -2.1% | 0.01% | -23.1% |
| Q1 2019 | $10,478,000 | +56.0% | 66,600 | -1.6% | 0.01% | +44.4% |
| Q4 2018 | $6,716,000 | -40.4% | 67,700 | -12.3% | 0.01% | -40.0% |
| Q3 2018 | $11,265,000 | -19.1% | 77,156 | -13.0% | 0.02% | -21.1% |
| Q2 2018 | $13,918,000 | -9.8% | 88,678 | -1.8% | 0.02% | -13.6% |
| Q1 2018 | $15,422,000 | -9.8% | 90,317 | -6.0% | 0.02% | -4.3% |
| Q4 2017 | $17,106,000 | +44.6% | 96,046 | +11.6% | 0.02% | +27.8% |
| Q3 2017 | $11,826,000 | +32.8% | 86,100 | +1.5% | 0.02% | +28.6% |
| Q2 2017 | $8,908,000 | +18.1% | 84,800 | +2.2% | 0.01% | +16.7% |
| Q1 2017 | $7,545,000 | +41.2% | 83,000 | -4.2% | 0.01% | +33.3% |
| Q4 2016 | $5,343,000 | -2.2% | 86,600 | +7.4% | 0.01% | 0.0% |
| Q3 2016 | $5,463,000 | +46.4% | 80,600 | -6.5% | 0.01% | +50.0% |
| Q2 2016 | $3,732,000 | -1.2% | 86,200 | -3.0% | 0.01% | 0.0% |
| Q1 2016 | $3,778,000 | -37.7% | 88,900 | -5.8% | 0.01% | -40.0% |
| Q4 2015 | $6,062,000 | +93.1% | 94,400 | +157.2% | 0.01% | +100.0% |
| Q3 2015 | $3,140,000 | -46.7% | 36,700 | +4.9% | 0.01% | -44.4% |
| Q2 2015 | $5,893,000 | +83.6% | 35,000 | +6.2% | 0.01% | +125.0% |
| Q1 2015 | $3,210,000 | 0.0% | 32,969 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $3,210,000 | +110.6% | 32,969 | -22.4% | 0.00% | +100.0% |
| Q3 2014 | $1,524,000 | +39.4% | 42,483 | -16.7% | 0.00% | 0.0% |
| Q4 2013 | $1,093,000 | – | 51,028 | – | 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% |