BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 196 filers reported holding BLUEBIRD BIO INC in Q4 2015. The put-call ratio across all filers is 1.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $1,329,000 | +47.5% | 19,604 | -5.8% | 0.34% | +44.3% |
| Q2 2016 | $901,000 | +0.2% | 20,817 | -1.6% | 0.24% | -5.2% |
| Q1 2016 | $899,000 | -35.2% | 21,156 | -2.1% | 0.25% | -29.6% |
| Q4 2015 | $1,388,000 | -52.5% | 21,614 | -36.8% | 0.36% | -56.1% |
| Q3 2015 | $2,925,000 | -26.0% | 34,195 | +45.6% | 0.81% | -15.9% |
| Q2 2015 | $3,955,000 | +6.5% | 23,489 | -23.6% | 0.96% | +6.4% |
| Q1 2015 | $3,714,000 | +38.6% | 30,749 | +5.2% | 0.90% | +36.6% |
| Q4 2014 | $2,680,000 | – | 29,220 | – | 0.66% | – |
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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% |