BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 247 filers reported holding BLUEBIRD BIO INC in Q2 2017. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $509,000 | -68.1% | 5,600 | -78.4% | 0.02% | -55.3% |
| Q4 2016 | $1,597,000 | -49.2% | 25,893 | -44.1% | 0.04% | -39.7% |
| Q3 2016 | $3,142,000 | +401.9% | 46,345 | +220.6% | 0.06% | +472.7% |
| Q2 2016 | $626,000 | -2.9% | 14,457 | -4.6% | 0.01% | -8.3% |
| Q1 2016 | $645,000 | -53.0% | 15,161 | -29.1% | 0.01% | -14.3% |
| Q4 2015 | $1,372,000 | -35.8% | 21,375 | -14.5% | 0.01% | -30.0% |
| Q3 2015 | $2,138,000 | -19.6% | 24,998 | +58.2% | 0.02% | -16.7% |
| Q2 2015 | $2,660,000 | +425.7% | 15,800 | +277.0% | 0.02% | +500.0% |
| Q1 2015 | $506,000 | -50.9% | 4,191 | -62.7% | 0.00% | -42.9% |
| Q4 2014 | $1,031,000 | +40.1% | 11,234 | -45.2% | 0.01% | +75.0% |
| Q3 2014 | $736,000 | – | 20,489 | – | 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% |