BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q3 2020. The put-call ratio across all filers is 0.95 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2 | 0.0% | 500 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $2 | 0.0% | 500 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $2 | -33.3% | 500 | 0.0% | 0.00% | -50.0% |
| Q4 2022 | $3 | -99.9% | 500 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $3,000 | +50.0% | 500 | 0.0% | 0.00% | +100.0% |
| Q2 2022 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $2,000 | -60.0% | 500 | 0.0% | 0.00% | -50.0% |
| Q4 2021 | $5,000 | -84.4% | 500 | -70.6% | 0.00% | -87.5% |
| Q3 2021 | $32,000 | -40.7% | 1,700 | 0.0% | 0.02% | -40.7% |
| Q2 2021 | $54,000 | -14.3% | 1,700 | -19.0% | 0.03% | -18.2% |
| Q1 2021 | $63,000 | -3.1% | 2,100 | +40.0% | 0.03% | -8.3% |
| Q4 2020 | $65,000 | -45.4% | 1,500 | -31.8% | 0.04% | -50.0% |
| Q3 2020 | $119,000 | +29.3% | 2,200 | +46.7% | 0.07% | +24.1% |
| Q2 2020 | $92,000 | +33.3% | 1,500 | 0.0% | 0.06% | +16.0% |
| Q1 2020 | $69,000 | -58.7% | 1,500 | -21.1% | 0.05% | -47.9% |
| Q4 2019 | $167,000 | +21.0% | 1,900 | +26.7% | 0.10% | +12.9% |
| Q3 2019 | $138,000 | -27.7% | 1,500 | 0.0% | 0.08% | -26.7% |
| Q2 2019 | $191,000 | -32.5% | 1,500 | -16.7% | 0.12% | -33.7% |
| Q1 2019 | $283,000 | +89.9% | 1,800 | +20.0% | 0.18% | +78.6% |
| Q4 2018 | $149,000 | -32.0% | 1,500 | 0.0% | 0.10% | -19.7% |
| Q3 2018 | $219,000 | -6.8% | 1,500 | 0.0% | 0.12% | -7.6% |
| Q2 2018 | $235,000 | -8.2% | 1,500 | 0.0% | 0.13% | -13.2% |
| Q1 2018 | $256,000 | -4.1% | 1,500 | 0.0% | 0.15% | -22.1% |
| Q4 2017 | $267,000 | +29.6% | 1,500 | 0.0% | 0.20% | +21.1% |
| Q3 2017 | $206,000 | +30.4% | 1,500 | 0.0% | 0.16% | +29.8% |
| Q2 2017 | $158,000 | +16.2% | 1,500 | 0.0% | 0.12% | +11.7% |
| Q1 2017 | $136,000 | +46.2% | 1,500 | 0.0% | 0.11% | +37.0% |
| Q4 2016 | $93,000 | -8.8% | 1,500 | 0.0% | 0.08% | -11.0% |
| Q3 2016 | $102,000 | +56.9% | 1,500 | 0.0% | 0.09% | +54.2% |
| Q2 2016 | $65,000 | +1.6% | 1,500 | 0.0% | 0.06% | -1.7% |
| Q1 2016 | $64,000 | -33.3% | 1,500 | 0.0% | 0.06% | -32.6% |
| Q4 2015 | $96,000 | +12.9% | 1,500 | +50.0% | 0.09% | +9.9% |
| Q3 2015 | $85,000 | -49.4% | 1,000 | 0.0% | 0.08% | -46.4% |
| Q2 2015 | $168,000 | +38.8% | 1,000 | 0.0% | 0.15% | +43.8% |
| Q1 2015 | $121,000 | +31.5% | 1,000 | 0.0% | 0.10% | +32.9% |
| Q4 2014 | $92,000 | -99.7% | 1,000 | 0.0% | 0.08% | +132.4% |
| Q3 2014 | $35,880,000 | – | 1,000 | – | 0.03% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Monashee Investment Management LLC | 125,000 | $13,131,000 | 5.55% |
| Cormorant Asset Management, LP | 275,000 | $28,889,000 | 4.79% |
| Eventide Asset Management | 569,700 | $59,847,000 | 3.73% |
| Crosspoint Capital Strategies, LLC | 28,937 | $3,040,000 | 2.66% |
| Casdin Capital, LLC | 65,000 | $6,828,000 | 2.53% |
| ARK Investment Management | 119,683 | $12,573,000 | 2.45% |
| RTW INVESTMENTS, LP | 104,383 | $10,965,000 | 2.31% |
| Taylor Wealth Management Partners | 38,368 | $4,031,000 | 1.82% |
| First Light Asset Management, LLC | 33,780 | $3,549,000 | 1.19% |
| Atika Capital Management LLC | 25,000 | $2,627,000 | 0.92% |