BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 81 filers reported holding BLUEBIRD BIO INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $62,040,000 | -2.2% | 1,005,508 | +7.5% | 0.01% | -10.0% |
| Q3 2016 | $63,423,000 | +62.3% | 935,722 | +3.6% | 0.01% | +66.7% |
| Q2 2016 | $39,089,000 | +5.6% | 902,966 | +3.7% | 0.01% | 0.0% |
| Q1 2016 | $37,008,000 | -34.5% | 870,780 | -1.0% | 0.01% | -33.3% |
| Q4 2015 | $56,469,000 | -23.5% | 879,313 | +1.9% | 0.01% | -30.8% |
| Q3 2015 | $73,832,000 | -41.1% | 863,029 | +15.8% | 0.01% | -35.0% |
| Q2 2015 | $125,446,000 | +50.7% | 745,061 | +8.1% | 0.02% | +53.8% |
| Q1 2015 | $83,263,000 | +68.4% | 689,435 | +27.9% | 0.01% | +62.5% |
| Q4 2014 | $49,446,000 | +135.4% | 539,101 | -7.9% | 0.01% | +100.0% |
| Q3 2014 | $21,006,000 | +163.0% | 585,457 | +182.7% | 0.00% | +300.0% |
| Q2 2014 | $7,987,000 | +316.2% | 207,071 | +145.3% | 0.00% | – |
| Q1 2014 | $1,919,000 | +33.0% | 84,405 | +22.7% | 0.00% | – |
| Q4 2013 | $1,443,000 | -16.1% | 68,787 | +7.8% | 0.00% | – |
| Q3 2013 | $1,720,000 | – | 63,785 | – | 0.00% | – |
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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% |