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 | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $2,565,000 | +22.1% | 14,400 | -28.0% | 0.08% | -19.8% |
| Q2 2017 | $2,101,000 | +397.9% | 20,000 | +330.7% | 0.11% | +341.7% |
| Q1 2017 | $422,000 | -97.4% | 4,644 | -96.6% | 0.02% | -98.1% |
| Q1 2015 | $16,304,000 | -21.0% | 135,000 | -40.0% | 1.27% | -26.8% |
| Q4 2014 | $20,637,000 | +4435.6% | 225,000 | +1025.0% | 1.73% | +3506.2% |
| Q1 2014 | $455,000 | +8.3% | 20,000 | 0.0% | 0.05% | -4.0% |
| Q4 2013 | $420,000 | – | 20,000 | – | 0.05% | – |
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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% |