BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $27 | -77.9% | 9 | -75.7% | 0.00% | – |
| Q2 2023 | $122 | +320.7% | 37 | +311.1% | 0.00% | – |
| Q1 2023 | $29 | -93.5% | 9 | -85.9% | 0.00% | – |
| Q4 2022 | $443 | – | 64 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 64 | +611.1% | 0.00% | – |
| Q2 2022 | $0 | – | 9 | -78.6% | 0.00% | – |
| Q1 2022 | $0 | -100.0% | 42 | -72.4% | 0.00% | – |
| Q4 2021 | $2,000 | -33.3% | 152 | 0.0% | 0.00% | – |
| Q3 2021 | $3,000 | +50.0% | 152 | +123.5% | 0.00% | – |
| Q2 2021 | $2,000 | 0.0% | 68 | +19.3% | 0.00% | – |
| Q1 2021 | $2,000 | -77.8% | 57 | -72.9% | 0.00% | – |
| Q4 2020 | $9,000 | -35.7% | 210 | -18.3% | 0.00% | -100.0% |
| Q3 2020 | $14,000 | +27.3% | 257 | +35.3% | 0.00% | 0.0% |
| Q2 2020 | $11,000 | +266.7% | 190 | +131.7% | 0.00% | – |
| Q1 2020 | $3,000 | -62.5% | 82 | -9.9% | 0.00% | -100.0% |
| Q4 2019 | $8,000 | – | 91 | +2933.3% | 0.00% | – |
| Q3 2019 | $0 | – | 3 | 0.0% | 0.00% | – |
| Q2 2019 | $0 | -100.0% | 3 | -85.0% | 0.00% | – |
| Q1 2019 | $3,000 | – | 20 | +122.2% | 0.00% | – |
| Q4 2018 | $0 | -100.0% | 9 | -52.6% | 0.00% | – |
| Q3 2018 | $3,000 | -25.0% | 19 | -29.6% | 0.00% | -100.0% |
| Q2 2018 | $4,000 | 0.0% | 27 | +28.6% | 0.00% | 0.0% |
| Q1 2018 | $4,000 | +100.0% | 21 | +61.5% | 0.00% | – |
| Q4 2017 | $2,000 | 0.0% | 13 | 0.0% | 0.00% | – |
| Q3 2017 | $2,000 | +100.0% | 13 | +62.5% | 0.00% | – |
| Q2 2017 | $1,000 | – | 8 | – | 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% |