BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 283 filers reported holding BLUEBIRD BIO INC in Q2 2019. The put-call ratio across all filers is 1.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $351,000 | -16.6% | 4,001 | +49.4% | 0.02% | -23.3% |
| Q1 2019 | $421,000 | +357.6% | 2,678 | +187.3% | 0.03% | +328.6% |
| Q4 2018 | $92,000 | -70.6% | 932 | -56.6% | 0.01% | -65.0% |
| Q3 2018 | $313,000 | -9.3% | 2,146 | -2.3% | 0.02% | -9.1% |
| Q2 2018 | $345,000 | -14.6% | 2,197 | -7.2% | 0.02% | -8.3% |
| Q1 2018 | $404,000 | -75.5% | 2,368 | -74.5% | 0.02% | -71.1% |
| Q4 2017 | $1,652,000 | +465.8% | 9,272 | +337.4% | 0.08% | +591.7% |
| Q3 2017 | $292,000 | – | 2,120 | – | 0.01% | – |
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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% |