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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $39,592,000 | -19.8% | 915,000 | 0.0% | 1.17% | -46.9% |
| Q3 2020 | $49,364,000 | -26.8% | 915,000 | -17.2% | 2.21% | -44.6% |
| Q2 2020 | $67,449,000 | +32.8% | 1,105,000 | 0.0% | 3.99% | -26.0% |
| Q1 2020 | $50,786,000 | -40.3% | 1,105,000 | +13.9% | 5.39% | -31.1% |
| Q4 2019 | $85,118,000 | -99.8% | 970,000 | +58.4% | 7.83% | +34.5% |
| Q3 2019 | $56,239,750,000 | +18.7% | 612,500 | +64.4% | 5.82% | +31.2% |
| Q2 2019 | $47,382,000,000 | +84142.2% | 372,500 | +4.2% | 4.44% | -28.2% |
| Q1 2019 | $56,245,000 | +71.8% | 357,500 | +8.3% | 6.18% | +10.3% |
| Q4 2018 | $32,736,000 | -13.1% | 330,000 | +27.9% | 5.60% | +22.3% |
| Q3 2018 | $37,668,000 | +20.0% | 258,000 | +29.0% | 4.58% | +4.3% |
| Q2 2018 | $31,390,000 | +26.8% | 200,000 | +37.9% | 4.39% | +0.8% |
| Q1 2018 | $24,759,000 | -4.1% | 145,000 | 0.0% | 4.35% | -30.8% |
| Q4 2017 | $25,825,000 | +29.7% | 145,000 | 0.0% | 6.29% | +11.8% |
| Q3 2017 | $19,916,000 | +191.7% | 145,000 | +123.1% | 5.62% | +122.6% |
| Q2 2017 | $6,828,000 | +194.6% | 65,000 | +154.9% | 2.53% | +84.8% |
| Q1 2017 | $2,318,000 | -54.5% | 25,500 | -69.1% | 1.37% | -67.5% |
| Q4 2016 | $5,090,000 | +25.2% | 82,500 | +37.5% | 4.20% | +27.7% |
| Q3 2016 | $4,067,000 | -23.3% | 60,000 | -51.0% | 3.29% | -37.6% |
| Q2 2016 | $5,303,000 | +4.0% | 122,500 | +2.1% | 5.28% | -9.8% |
| Q1 2016 | $5,100,000 | -33.8% | 120,000 | 0.0% | 5.85% | -14.0% |
| Q4 2015 | $7,706,000 | – | 120,000 | – | 6.81% | – |
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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% |