BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 306 filers reported holding BLUEBIRD BIO INC in Q1 2018. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $525,000 | -30.3% | 17,400 | 0.0% | 0.05% | -34.1% |
| Q4 2020 | $753,000 | -35.4% | 17,400 | -19.4% | 0.08% | -43.4% |
| Q3 2020 | $1,165,000 | -12.9% | 21,600 | -1.4% | 0.14% | -23.7% |
| Q2 2020 | $1,337,000 | +32.8% | 21,900 | 0.0% | 0.19% | +10.5% |
| Q1 2020 | $1,007,000 | -34.1% | 21,900 | +25.9% | 0.17% | -26.2% |
| Q4 2019 | $1,527,000 | -4.4% | 17,400 | 0.0% | 0.23% | -12.4% |
| Q3 2019 | $1,598,000 | -21.5% | 17,400 | +8.8% | 0.27% | -25.1% |
| Q2 2019 | $2,035,000 | -19.1% | 16,000 | 0.0% | 0.36% | -24.0% |
| Q1 2019 | $2,517,000 | +58.6% | 16,000 | 0.0% | 0.47% | +45.5% |
| Q4 2018 | $1,587,000 | -32.1% | 16,000 | 0.0% | 0.32% | -21.7% |
| Q3 2018 | $2,336,000 | -5.8% | 16,000 | +1.3% | 0.41% | -9.7% |
| Q2 2018 | $2,480,000 | +41.0% | 15,800 | +53.4% | 0.45% | +46.5% |
| Q1 2018 | $1,759,000 | – | 10,300 | – | 0.31% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AlpInvest Partners B.V. | 46,264 | $3,958,000 | 7.80% |
| RTW INVESTMENTS, LP | 151,594 | $12,969,000 | 4.03% |
| APIS CAPITAL ADVISORS, LLC | 30,870 | $2,640,000 | 3.65% |
| Parametrica Management Ltd | 4,084 | $349,000 | 2.20% |
| Eventide Asset Management | 419,600 | $35,897,000 | 2.09% |
| RA Capital Management | 167,367 | $14,318,000 | 2.06% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 483,000 | $41,321,000 | 1.60% |
| Taylor Wealth Management Partners | 38,184 | $3,267,000 | 1.58% |
| Orbimed Advisors | 1,188,900 | $101,710,000 | 1.03% |
| CABOT WEALTH MANAGEMENT INC | 34,195 | $2,925,000 | 0.81% |