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 2021 | $1,080,000 | +206.8% | 108,149 | +487.9% | 0.04% | +122.2% |
Q3 2021 | $352,000 | -31.9% | 18,397 | +7.2% | 0.02% | -37.9% |
Q1 2021 | $517,000 | +102.0% | 17,159 | +189.9% | 0.03% | +38.1% |
Q4 2020 | $256,000 | -51.5% | 5,919 | -39.5% | 0.02% | -63.2% |
Q3 2020 | $528,000 | +133.6% | 9,785 | +164.5% | 0.06% | +50.0% |
Q2 2020 | $226,000 | +8.1% | 3,699 | -18.5% | 0.04% | +52.0% |
Q1 2020 | $209,000 | – | 4,538 | – | 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% |