BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2022. The put-call ratio across all filers is 1.32 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $532 | -7.6% | 175 | 0.0% | 0.00% | – |
| Q2 2023 | $576 | -54.0% | 175 | -55.6% | 0.00% | – |
| Q1 2023 | $1,253 | +1.1% | 394 | +120.1% | 0.00% | – |
| Q4 2022 | $1,239 | -82.3% | 179 | -84.8% | 0.00% | – |
| Q3 2022 | $7,000 | +600.0% | 1,175 | +502.6% | 0.00% | – |
| Q2 2022 | $1,000 | 0.0% | 195 | +11.4% | 0.00% | – |
| Q1 2022 | $1,000 | -50.0% | 175 | -18.6% | 0.00% | – |
| Q4 2021 | $2,000 | -33.3% | 215 | +9.1% | 0.00% | – |
| Q3 2021 | $3,000 | -57.1% | 197 | -3.9% | 0.00% | – |
| Q2 2021 | $7,000 | +40.0% | 205 | +17.1% | 0.00% | – |
| Q1 2021 | $5,000 | +400.0% | 175 | +629.2% | 0.00% | – |
| Q1 2020 | $1,000 | -66.7% | 24 | +26.3% | 0.00% | – |
| Q1 2019 | $3,000 | -70.0% | 19 | -80.6% | 0.00% | – |
| Q4 2018 | $10,000 | +25.0% | 98 | +96.0% | 0.00% | – |
| Q2 2018 | $8,000 | -11.1% | 50 | 0.0% | 0.00% | – |
| Q1 2018 | $9,000 | +800.0% | 50 | +316.7% | 0.00% | – |
| Q2 2017 | $1,000 | -94.7% | 12 | -96.0% | 0.00% | – |
| Q4 2015 | $19,000 | -26.9% | 300 | 0.0% | 0.00% | -100.0% |
| Q3 2015 | $26,000 | -49.0% | 300 | 0.0% | 0.00% | 0.0% |
| Q2 2015 | $51,000 | +41.7% | 300 | 0.0% | 0.00% | 0.0% |
| Q1 2015 | $36,000 | – | 300 | – | 0.00% | – |
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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% |