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 | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $0 | -100.0% | 13 | -99.6% | 0.00% | -100.0% |
| Q1 2021 | $108,000 | 0.0% | 3,588 | +44.0% | 0.14% | -3.5% |
| Q4 2020 | $108,000 | +40.3% | 2,492 | +75.0% | 0.14% | +19.5% |
| Q3 2020 | $77,000 | -38.9% | 1,424 | -27.2% | 0.12% | -28.9% |
| Q2 2020 | $126,000 | +77.5% | 1,955 | +27.1% | 0.17% | +7.1% |
| Q1 2020 | $71,000 | +44.9% | 1,538 | +174.6% | 0.16% | +222.9% |
| Q4 2019 | $49,000 | -31.0% | 560 | -28.9% | 0.05% | -32.4% |
| Q3 2019 | $71,000 | +255.0% | 788 | +398.7% | 0.07% | +238.1% |
| Q2 2019 | $20,000 | +566.7% | 158 | +731.6% | 0.02% | +425.0% |
| Q1 2019 | $3,000 | -97.3% | 19 | -98.3% | 0.00% | -97.9% |
| Q4 2018 | $111,000 | -22.4% | 1,123 | +14.4% | 0.19% | -12.0% |
| Q3 2018 | $143,000 | +14200.0% | 982 | +10811.1% | 0.22% | +21500.0% |
| Q2 2018 | $1,000 | -99.7% | 9 | -99.5% | 0.00% | -99.8% |
| Q1 2018 | $287,000 | +112.6% | 1,656 | +117.0% | 0.45% | +184.3% |
| Q4 2017 | $135,000 | – | 763 | – | 0.16% | – |
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% |