BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 236 filers reported holding BLUEBIRD BIO INC in Q2 2021. The put-call ratio across all filers is 1.04 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $27,831 | +7739.7% | 9,155 | +8376.9% | 0.00% | – |
| Q2 2023 | $355 | -100.0% | 108 | -100.0% | 0.00% | -100.0% |
| Q1 2023 | $2,816,526 | -66.3% | 885,700 | -26.7% | 0.01% | -67.9% |
| Q4 2022 | $8,359,976 | +147.7% | 1,208,089 | +48.2% | 0.03% | +100.0% |
| Q2 2022 | $3,375,000 | -81.3% | 815,300 | +44.7% | 0.01% | -82.7% |
| Q2 2021 | $18,018,000 | +1657.9% | 563,400 | +2865.3% | 0.08% | +1520.0% |
| Q3 2020 | $1,025,000 | -53.2% | 19,000 | +26.7% | 0.01% | -44.4% |
| Q3 2018 | $2,190,000 | -57.1% | 15,000 | -53.8% | 0.01% | -55.0% |
| Q2 2018 | $5,101,000 | +497.3% | 32,500 | +550.0% | 0.02% | +400.0% |
| Q1 2018 | $854,000 | -93.2% | 5,000 | -92.9% | 0.00% | -92.6% |
| Q4 2017 | $12,592,000 | +112.1% | 70,700 | -26.5% | 0.05% | +28.6% |
| Q4 2016 | $5,938,000 | -70.2% | 96,241 | -58.7% | 0.04% | -73.1% |
| Q3 2015 | $19,933,000 | -42.8% | 233,000 | +12.5% | 0.16% | -35.5% |
| Q2 2015 | $34,869,000 | +754.2% | 207,100 | +365.4% | 0.24% | +734.5% |
| Q4 2014 | $4,082,000 | -80.9% | 44,500 | -92.5% | 0.03% | -82.0% |
| Q3 2014 | $21,345,000 | +12.6% | 594,900 | +21.1% | 0.16% | +33.1% |
| Q2 2014 | $18,953,000 | – | 491,400 | – | 0.12% | – |
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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% |