BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $6,000 | -53.8% | 1,266 | 0.0% | 0.00% | – |
| Q4 2021 | $13,000 | -71.7% | 1,266 | -47.6% | 0.00% | – |
| Q3 2021 | $46,000 | -40.3% | 2,415 | 0.0% | 0.00% | – |
| Q2 2021 | $77,000 | +5.5% | 2,415 | 0.0% | 0.00% | – |
| Q1 2021 | $73,000 | -45.5% | 2,415 | -21.8% | 0.00% | – |
| Q4 2020 | $134,000 | -80.4% | 3,088 | -75.6% | 0.00% | -100.0% |
| Q3 2020 | $684,000 | -14.0% | 12,670 | -2.7% | 0.00% | 0.0% |
| Q2 2020 | $795,000 | +3.0% | 13,026 | -22.4% | 0.00% | -50.0% |
| Q1 2020 | $772,000 | -44.8% | 16,786 | +5.3% | 0.00% | 0.0% |
| Q4 2019 | $1,399,000 | +10.3% | 15,944 | +15.5% | 0.00% | 0.0% |
| Q3 2019 | $1,268,000 | +1661.1% | 13,809 | +2934.9% | 0.00% | – |
| Q1 2019 | $72,000 | -97.9% | 455 | -97.6% | 0.00% | -100.0% |
| Q4 2017 | $3,402,000 | +32.7% | 19,102 | +2.3% | 0.01% | +20.0% |
| Q3 2017 | $2,564,000 | +114.6% | 18,664 | +64.1% | 0.01% | +150.0% |
| Q2 2017 | $1,195,000 | +15.6% | 11,375 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $1,034,000 | +47.1% | 11,375 | -0.2% | 0.00% | +100.0% |
| Q4 2016 | $703,000 | +53.8% | 11,400 | +5.9% | 0.00% | 0.0% |
| Q1 2016 | $457,000 | – | 10,760 | – | 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% |