BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 296 filers reported holding BLUEBIRD BIO INC in Q1 2019. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $32,049,000 | +42.0% | 203,705 | -10.5% | 0.04% | +21.9% |
| Q4 2018 | $22,570,000 | -63.1% | 227,522 | -45.7% | 0.03% | -13.5% |
| Q3 2018 | $61,152,000 | +55.9% | 418,844 | +67.6% | 0.04% | -24.5% |
| Q2 2018 | $39,225,000 | -19.8% | 249,921 | -12.8% | 0.05% | -22.2% |
| Q1 2018 | $48,920,000 | -4.8% | 286,503 | -0.7% | 0.06% | -4.5% |
| Q4 2017 | $51,401,000 | +36.2% | 288,607 | +5.0% | 0.07% | +29.4% |
| Q3 2017 | $37,736,000 | +44.0% | 274,746 | +10.1% | 0.05% | +37.8% |
| Q2 2017 | $26,207,000 | +145.9% | 249,475 | +112.8% | 0.04% | +131.2% |
| Q1 2017 | $10,659,000 | +47.4% | 117,262 | +0.0% | 0.02% | +45.5% |
| Q4 2016 | $7,231,000 | -29.7% | 117,204 | -22.7% | 0.01% | -35.3% |
| Q3 2016 | $10,279,000 | +215.1% | 151,646 | +101.2% | 0.02% | +183.3% |
| Q2 2016 | $3,262,000 | +66.7% | 75,356 | +63.6% | 0.01% | +50.0% |
| Q1 2016 | $1,957,000 | -30.2% | 46,048 | +5.5% | 0.00% | -20.0% |
| Q4 2015 | $2,802,000 | -21.9% | 43,632 | +4.0% | 0.01% | -28.6% |
| Q3 2015 | $3,590,000 | -77.1% | 41,969 | -54.9% | 0.01% | -75.9% |
| Q2 2015 | $15,665,000 | +20.4% | 93,037 | -13.6% | 0.03% | +20.8% |
| Q1 2015 | $13,011,000 | +262.1% | 107,734 | +175.0% | 0.02% | +242.9% |
| Q4 2014 | $3,593,000 | +181.6% | 39,175 | +10.2% | 0.01% | +133.3% |
| Q3 2014 | $1,276,000 | +23.2% | 35,553 | +32.3% | 0.00% | +50.0% |
| Q2 2014 | $1,036,000 | +384.1% | 26,870 | +184.9% | 0.00% | – |
| Q1 2014 | $214,000 | +8.1% | 9,430 | 0.0% | 0.00% | – |
| Q4 2013 | $198,000 | +14.5% | 9,430 | +46.7% | 0.00% | – |
| Q3 2013 | $173,000 | – | 6,430 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 1,550,000 | $7,518,000 | 1.50% |
| Birchview Capital, LP | 84,000 | $407,000 | 0.29% |
| PDT Partners, LLC | 519,485 | $2,520,000 | 0.22% |
| OCCUDO QUANTITATIVE STRATEGIES LP | 320,922 | $1,556,000 | 0.13% |
| Virtus ETF Advisers LLC | 40,607 | $197,000 | 0.09% |
| Baker Brothers Advisors | 2,499,715 | $12,124,000 | 0.07% |
| Green Alpha Advisors, LLC | 14,660 | $71,000 | 0.05% |
| Quinn Opportunity Partners LLC | 140,824 | $683,000 | 0.03% |
| Rafferty Asset Management, LLC | 979,122 | $4,749,000 | 0.03% |
| Inspire Investing, LLC | 48,724 | $236,000 | 0.03% |