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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $311 | +238.0% | 97,743 | +636.7% | 0.03% | +181.8% |
| Q4 2022 | $92 | -100.0% | 13,268 | -91.2% | 0.01% | -91.3% |
| Q3 2022 | $959,000 | +899.0% | 151,570 | +666.9% | 0.13% | +876.9% |
| Q1 2022 | $96,000 | -75.4% | 19,764 | +62.1% | 0.01% | -70.5% |
| Q2 2021 | $390,000 | -85.6% | 12,190 | -86.5% | 0.04% | -90.2% |
| Q1 2021 | $2,714,000 | +816.9% | 90,000 | +1295.3% | 0.45% | +508.1% |
| Q1 2020 | $296,000 | -91.5% | 6,450 | -68.4% | 0.07% | -59.8% |
| Q1 2018 | $3,485,000 | +1395.7% | 20,409 | +493.6% | 0.18% | +1315.4% |
| Q3 2016 | $233,000 | -95.3% | 3,438 | -94.1% | 0.01% | -94.7% |
| Q3 2015 | $4,996,000 | -12.4% | 58,401 | +72.4% | 0.25% | +12.3% |
| Q2 2015 | $5,704,000 | +349.8% | 33,880 | +222.7% | 0.22% | +338.0% |
| Q1 2015 | $1,268,000 | -32.6% | 10,500 | -48.8% | 0.05% | -61.8% |
| Q4 2014 | $1,880,000 | +296.6% | 20,500 | +55.3% | 0.13% | +424.0% |
| Q3 2014 | $474,000 | – | 13,200 | – | 0.02% | – |
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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% |