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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $0 | – | 13 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 13 | -84.1% | 0.00% | – |
| Q2 2022 | $0 | -100.0% | 82 | -95.4% | 0.00% | – |
| Q3 2021 | $33,000 | -38.9% | 1,775 | +4.7% | 0.00% | – |
| Q2 2021 | $54,000 | +20.0% | 1,695 | +13.4% | 0.00% | – |
| Q1 2021 | $45,000 | -82.4% | 1,495 | -74.8% | 0.00% | -100.0% |
| Q4 2020 | $256,000 | -21.5% | 5,940 | -1.9% | 0.00% | -33.3% |
| Q3 2020 | $326,000 | -51.5% | 6,053 | -45.0% | 0.00% | -57.1% |
| Q2 2020 | $672,000 | +903.0% | 11,010 | +657.2% | 0.01% | +600.0% |
| Q1 2020 | $67,000 | -45.1% | 1,454 | +4.2% | 0.00% | -50.0% |
| Q4 2019 | $122,000 | -4.7% | 1,395 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $128,000 | -27.7% | 1,395 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $177,000 | -19.9% | 1,395 | -0.6% | 0.00% | -33.3% |
| Q1 2019 | $221,000 | +60.1% | 1,403 | +0.6% | 0.00% | +50.0% |
| Q4 2018 | $138,000 | – | 1,395 | – | 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% |