BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 179 filers reported holding BLUEBIRD BIO INC in Q2 2016. The put-call ratio across all filers is 1.01 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $6,000 | -14.3% | 100 | 0.0% | 0.00% | – |
| Q3 2016 | $7,000 | -61.1% | 100 | -76.2% | 0.00% | -100.0% |
| Q2 2016 | $18,000 | 0.0% | 420 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $18,000 | -33.3% | 420 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $27,000 | +200.0% | 420 | +320.0% | 0.00% | 0.0% |
| Q3 2015 | $9,000 | -87.7% | 100 | -87.4% | 0.00% | -87.5% |
| Q4 2014 | $73,000 | +102.8% | 792 | -20.8% | 0.01% | +100.0% |
| Q3 2014 | $36,000 | – | 1,000 | – | 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% |