BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 255 filers reported holding BLUEBIRD BIO INC in Q4 2018. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $202,000 | -30.1% | 6,690 | 0.0% | 0.03% | -26.2% |
| Q4 2020 | $289,000 | -46.9% | 6,690 | -33.6% | 0.04% | -53.3% |
| Q3 2020 | $544,000 | +112.5% | 10,079 | +401.4% | 0.09% | +60.7% |
| Q2 2019 | $256,000 | -26.9% | 2,010 | -9.9% | 0.06% | -35.6% |
| Q1 2019 | $350,000 | +57.7% | 2,230 | -0.8% | 0.09% | +33.8% |
| Q4 2018 | $222,000 | -52.9% | 2,249 | -30.4% | 0.06% | -44.0% |
| Q3 2018 | $471,000 | +31.9% | 3,233 | +41.6% | 0.12% | +22.1% |
| Q2 2018 | $357,000 | +66.0% | 2,283 | +81.0% | 0.10% | +41.8% |
| Q1 2018 | $215,000 | – | 1,261 | – | 0.07% | – |
Download | ||||||
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% |