BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 211 filers reported holding BLUEBIRD BIO INC in Q4 2016. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $208,000 | +0.5% | 1,320 | 0.0% | 0.05% | -40.7% |
| Q2 2018 | $207,000 | -8.0% | 1,320 | 0.0% | 0.09% | -16.5% |
| Q1 2018 | $225,000 | -4.3% | 1,320 | 0.0% | 0.10% | -1.9% |
| Q4 2017 | $235,000 | -69.3% | 1,320 | -81.9% | 0.10% | -66.7% |
| Q2 2017 | $765,000 | +8.2% | 7,281 | -6.4% | 0.32% | +7.9% |
| Q1 2017 | $707,000 | +45.5% | 7,781 | -1.3% | 0.29% | +41.7% |
| Q4 2016 | $486,000 | +1.2% | 7,881 | +11.3% | 0.21% | -8.0% |
| Q3 2016 | $480,000 | +33.0% | 7,081 | -15.1% | 0.22% | +16.7% |
| Q2 2016 | $361,000 | -12.0% | 8,341 | -13.7% | 0.19% | -15.4% |
| Q1 2016 | $410,000 | – | 9,666 | – | 0.23% | – |
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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% |