BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 283 filers reported holding BLUEBIRD BIO INC in Q2 2019. The put-call ratio across all filers is 1.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $2,136,000 | +21.7% | 35,000 | +75.0% | 0.71% | +8.8% |
| Q4 2019 | $1,755,000 | -44.8% | 20,000 | -20.0% | 0.65% | -15.3% |
| Q2 2019 | $3,180,000 | +14.1% | 25,000 | +41.2% | 0.77% | -25.1% |
| Q1 2019 | $2,786,000 | +154.4% | 17,705 | +136.1% | 1.03% | +162.7% |
| Q3 2018 | $1,095,000 | -72.1% | 7,500 | -70.0% | 0.39% | -74.1% |
| Q2 2018 | $3,924,000 | +129.7% | 25,000 | +150.0% | 1.51% | +89.3% |
| Q1 2018 | $1,708,000 | -52.0% | 10,000 | -50.0% | 0.80% | -39.7% |
| Q4 2017 | $3,562,000 | +48.2% | 20,000 | +14.3% | 1.32% | +61.6% |
| Q3 2017 | $2,404,000 | +52.5% | 17,500 | +16.7% | 0.82% | +41.8% |
| Q2 2017 | $1,576,000 | +24.7% | 15,000 | +7.9% | 0.58% | -2.0% |
| Q1 2017 | $1,264,000 | +36.5% | 13,900 | -7.3% | 0.59% | +33.3% |
| Q4 2016 | $926,000 | -22.7% | 15,000 | -15.1% | 0.44% | -26.8% |
| Q3 2016 | $1,198,000 | +38.3% | 17,669 | -11.7% | 0.60% | +40.5% |
| Q2 2016 | $866,000 | -18.5% | 20,000 | -20.0% | 0.43% | -8.7% |
| Q1 2016 | $1,063,000 | +107.2% | 25,000 | +316.7% | 0.47% | +89.2% |
| Q3 2015 | $513,000 | -49.2% | 6,000 | 0.0% | 0.25% | -28.9% |
| Q2 2015 | $1,010,000 | -7.1% | 6,000 | -33.3% | 0.35% | -5.4% |
| Q1 2015 | $1,087,000 | – | 9,000 | – | 0.37% | – |
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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% |