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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $43,633 | -53.5% | 13,721 | +1.2% | 0.00% | -75.0% |
| Q4 2022 | $93,787 | +46.5% | 13,553 | +2.6% | 0.00% | +100.0% |
| Q1 2022 | $64,000 | -60.2% | 13,213 | -18.2% | 0.00% | -50.0% |
| Q4 2021 | $161,000 | -80.4% | 16,151 | -62.4% | 0.00% | -84.0% |
| Q3 2021 | $822,000 | -51.2% | 43,006 | -18.2% | 0.02% | -51.0% |
| Q2 2021 | $1,683,000 | +45.6% | 52,601 | +37.2% | 0.05% | +30.8% |
| Q1 2021 | $1,156,000 | -30.3% | 38,333 | 0.0% | 0.04% | -42.6% |
| Q4 2020 | $1,659,000 | +56.4% | 38,333 | +95.0% | 0.07% | +28.3% |
| Q3 2020 | $1,061,000 | -22.8% | 19,658 | -12.8% | 0.05% | -26.4% |
| Q2 2020 | $1,375,000 | +63.9% | 22,536 | +23.4% | 0.07% | +30.9% |
| Q1 2020 | $839,000 | -48.3% | 18,264 | -1.3% | 0.06% | -45.5% |
| Q4 2019 | $1,624,000 | +55.1% | 18,505 | +62.3% | 0.10% | +11.0% |
| Q3 2019 | $1,047,000 | -29.8% | 11,403 | -2.8% | 0.09% | -24.2% |
| Q2 2019 | $1,492,000 | -38.4% | 11,729 | -23.9% | 0.12% | -8.4% |
| Q1 2019 | $2,424,000 | +54.8% | 15,404 | -2.4% | 0.13% | +48.9% |
| Q4 2018 | $1,566,000 | -12.3% | 15,788 | +29.1% | 0.09% | +25.7% |
| Q3 2018 | $1,786,000 | -15.7% | 12,232 | -9.4% | 0.07% | -16.7% |
| Q2 2018 | $2,119,000 | +25.6% | 13,501 | +37.0% | 0.08% | +21.7% |
| Q1 2018 | $1,687,000 | +21.7% | 9,858 | +59.2% | 0.07% | +11.3% |
| Q4 2017 | $1,386,000 | -6.2% | 6,191 | -42.5% | 0.06% | -22.5% |
| Q3 2017 | $1,477,000 | +38.0% | 10,758 | +5.7% | 0.08% | -10.1% |
| Q2 2017 | $1,070,000 | -5.6% | 10,182 | -18.3% | 0.09% | -21.2% |
| Q1 2017 | $1,133,000 | +76.8% | 12,461 | +20.0% | 0.11% | +44.9% |
| Q4 2016 | $641,000 | -42.8% | 10,385 | -37.1% | 0.08% | -47.7% |
| Q3 2016 | $1,120,000 | +55.1% | 16,517 | -0.9% | 0.15% | +47.5% |
| Q2 2016 | $722,000 | -26.0% | 16,673 | -27.3% | 0.10% | +68.3% |
| Q1 2016 | $976,000 | +23.7% | 22,946 | +86.8% | 0.06% | -40.0% |
| Q4 2015 | $789,000 | – | 12,285 | – | 0.10% | – |
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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% |