BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 166 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is 0.94 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $55 | -99.9% | 11,956 | -66.3% | 0.00% | -20.0% |
| Q3 2022 | $71,000 | -17.4% | 35,456 | +5.9% | 0.01% | -16.7% |
| Q2 2022 | $86,000 | +975.0% | 33,489 | +467.6% | 0.01% | – |
| Q1 2022 | $8,000 | +300.0% | 5,900 | +391.7% | 0.00% | – |
| Q4 2021 | $2,000 | -97.3% | 1,200 | -83.1% | 0.00% | -100.0% |
| Q3 2021 | $73,000 | +7200.0% | 7,118 | +789.8% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 800 | -92.0% | 0.00% | – |
| Q4 2020 | $1,000 | – | 10,000 | 0.0% | 0.00% | – |
| Q3 2020 | $0 | -100.0% | 10,000 | -38.4% | 0.00% | -100.0% |
| Q2 2020 | $64,000 | -54.9% | 16,230 | -5.6% | 0.00% | -50.0% |
| Q1 2020 | $142,000 | +125.4% | 17,200 | +15.4% | 0.01% | +100.0% |
| Q4 2019 | $63,000 | -73.3% | 14,900 | -12.4% | 0.00% | -81.8% |
| Q3 2019 | $236,000 | -78.6% | 17,000 | -22.4% | 0.02% | -78.4% |
| Q2 2019 | $1,104,000 | +56.6% | 21,900 | +108.6% | 0.10% | +37.8% |
| Q1 2019 | $705,000 | +66.3% | 10,500 | -41.7% | 0.07% | +85.0% |
| Q4 2018 | $424,000 | -67.0% | 18,000 | -20.4% | 0.04% | -55.1% |
| Q3 2018 | $1,286,000 | -44.0% | 22,600 | -40.6% | 0.09% | -51.4% |
| Q2 2018 | $2,297,000 | +3.0% | 38,050 | -4.3% | 0.18% | -4.7% |
| Q1 2018 | $2,231,000 | -46.0% | 39,750 | -37.4% | 0.19% | +13.6% |
| Q4 2017 | $4,134,000 | +155.5% | 63,501 | -2.9% | 0.17% | +177.0% |
| Q3 2017 | $1,618,000 | +6.6% | 65,387 | -27.6% | 0.06% | +8.9% |
| Q2 2017 | $1,518,000 | +99.0% | 90,302 | +106.7% | 0.06% | +75.0% |
| Q1 2017 | $763,000 | -46.4% | 43,691 | -67.9% | 0.03% | -36.0% |
| Q4 2016 | $1,423,000 | -20.1% | 136,251 | +12.6% | 0.05% | -37.5% |
| Q3 2016 | $1,780,000 | +45.9% | 120,976 | +70.1% | 0.08% | +29.0% |
| Q2 2016 | $1,220,000 | -56.3% | 71,114 | -40.6% | 0.06% | -66.3% |
| Q1 2016 | $2,791,000 | -54.3% | 119,641 | -38.0% | 0.18% | -46.2% |
| Q4 2015 | $6,106,000 | – | 192,943 | – | 0.34% | – |
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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% |