BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $237,108 | -1.6% | 77,996 | +6.5% | 0.00% | -100.0% |
| Q2 2023 | $240,976 | +99.9% | 73,245 | +93.2% | 0.00% | – |
| Q1 2023 | $120,560 | -54.2% | 37,912 | 0.0% | 0.00% | -100.0% |
| Q4 2022 | $263,109 | +93.5% | 37,912 | +35.3% | 0.00% | 0.0% |
| Q1 2022 | $136,000 | -51.3% | 28,027 | +6.3% | 0.00% | 0.0% |
| Q4 2021 | $279,000 | +35.4% | 26,363 | +145.1% | 0.00% | 0.0% |
| Q3 2021 | $206,000 | -36.4% | 10,754 | +6.1% | 0.00% | -50.0% |
| Q2 2021 | $324,000 | +31.7% | 10,131 | +24.4% | 0.00% | 0.0% |
| Q1 2021 | $246,000 | +4.2% | 8,144 | +49.5% | 0.00% | 0.0% |
| Q4 2020 | $236,000 | +38.8% | 5,448 | +73.0% | 0.00% | 0.0% |
| Q3 2020 | $170,000 | -15.0% | 3,150 | -3.8% | 0.00% | 0.0% |
| Q2 2020 | $200,000 | +80.2% | 3,275 | +35.7% | 0.00% | 0.0% |
| Q1 2020 | $111,000 | -34.3% | 2,413 | +24.2% | 0.00% | 0.0% |
| Q4 2019 | $169,000 | +56.5% | 1,943 | +64.7% | 0.00% | 0.0% |
| Q3 2019 | $108,000 | -11.5% | 1,180 | +22.5% | 0.00% | 0.0% |
| Q2 2019 | $122,000 | -40.5% | 963 | -26.2% | 0.00% | -50.0% |
| Q1 2019 | $205,000 | +86.4% | 1,305 | +18.2% | 0.00% | +33.3% |
| Q4 2018 | $110,000 | -6.8% | 1,104 | +36.6% | 0.00% | +50.0% |
| Q3 2018 | $118,000 | – | 808 | – | 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% |