BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $2,593,000 | +66.5% | 81,067 | +56.9% | 0.01% | +60.0% |
| Q1 2021 | $1,557,000 | -19.0% | 51,658 | +16.3% | 0.01% | -28.6% |
| Q4 2020 | $1,923,000 | -23.9% | 44,434 | -5.1% | 0.01% | -30.0% |
| Q3 2020 | $2,526,000 | +4.2% | 46,819 | +17.8% | 0.01% | 0.0% |
| Q2 2020 | $2,425,000 | +26.3% | 39,731 | -4.9% | 0.01% | +11.1% |
| Q1 2020 | $1,920,000 | -47.6% | 41,777 | 0.0% | 0.01% | -35.7% |
| Q4 2019 | $3,666,000 | -7.4% | 41,777 | -3.1% | 0.01% | -6.7% |
| Q3 2019 | $3,957,000 | – | 43,100 | – | 0.02% | – |
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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% |