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 2020 | $4,261,000 | -19.3% | 78,977 | -8.7% | 0.11% | -24.7% |
| Q2 2020 | $5,281,000 | -13.4% | 86,509 | -34.8% | 0.15% | -31.5% |
| Q1 2020 | $6,101,000 | -47.5% | 132,754 | +0.3% | 0.22% | -26.0% |
| Q4 2019 | $11,615,000 | +8.3% | 132,367 | +13.3% | 0.30% | +1.4% |
| Q3 2019 | $10,725,000 | – | 116,805 | – | 0.29% | – |
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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% |