BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 283 filers reported holding BLUEBIRD BIO INC in Q4 2019. The put-call ratio across all filers is 0.80 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $20,568,000 | -27.8% | 224,006 | 0.0% | 0.14% | -27.0% |
| Q2 2019 | $28,493,000 | -19.2% | 224,006 | 0.0% | 0.20% | -21.3% |
| Q1 2019 | $35,242,000 | +58.6% | 224,006 | 0.0% | 0.25% | +32.4% |
| Q4 2018 | $22,221,000 | -18.0% | 224,006 | +20.6% | 0.19% | -3.1% |
| Q3 2018 | $27,110,000 | +13.0% | 185,686 | +21.5% | 0.19% | +2.6% |
| Q2 2018 | $23,981,000 | -2.8% | 152,795 | 0.0% | 0.19% | -1.6% |
| Q1 2018 | $24,676,000 | -9.3% | 152,795 | 0.0% | 0.19% | -33.8% |
| Q4 2017 | $27,213,000 | – | 152,795 | – | 0.29% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 1,964,000 | $59,215,000 | 1.36% |
| Birchview Capital, LP | 75,500 | $2,276,000 | 1.35% |
| Camber Capital Management LP | 1,000,000 | $30,150,000 | 1.04% |
| Sessa Capital IM, L.P. | 875,000 | $26,381,000 | 1.02% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $16,226,000 | 0.92% |
| Tarsadia Capital, LLC | 100,000 | $3,015,000 | 0.81% |
| Bullseye Asset Management LLC | 67,872 | $2,046,000 | 0.76% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 1,304,246 | $39,323,000 | 0.58% |
| MANGROVE PARTNERS IM, LLC | 175,178 | $5,282,000 | 0.53% |
| Parametrica Management Ltd | 37,712 | $1,080,000 | 0.52% |