BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 238 filers reported holding BLUEBIRD BIO INC in Q1 2021. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $237,108 | -1.6% | 77,996 | +6.5% | 0.00% | -100.0% |
| Q2 2023 | $240,976 | +99.9% | 73,245 | +93.2% | 0.00% | – |
| Q1 2023 | $120,560 | -54.2% | 37,912 | 0.0% | 0.00% | -100.0% |
| Q4 2022 | $263,109 | +93.5% | 37,912 | +35.3% | 0.00% | 0.0% |
| Q1 2022 | $136,000 | -51.3% | 28,027 | +6.3% | 0.00% | 0.0% |
| Q4 2021 | $279,000 | +35.4% | 26,363 | +145.1% | 0.00% | 0.0% |
| Q3 2021 | $206,000 | -36.4% | 10,754 | +6.1% | 0.00% | -50.0% |
| Q2 2021 | $324,000 | +31.7% | 10,131 | +24.4% | 0.00% | 0.0% |
| Q1 2021 | $246,000 | +4.2% | 8,144 | +49.5% | 0.00% | 0.0% |
| Q4 2020 | $236,000 | +38.8% | 5,448 | +73.0% | 0.00% | 0.0% |
| Q3 2020 | $170,000 | -15.0% | 3,150 | -3.8% | 0.00% | 0.0% |
| Q2 2020 | $200,000 | +80.2% | 3,275 | +35.7% | 0.00% | 0.0% |
| Q1 2020 | $111,000 | -34.3% | 2,413 | +24.2% | 0.00% | 0.0% |
| Q4 2019 | $169,000 | +56.5% | 1,943 | +64.7% | 0.00% | 0.0% |
| Q3 2019 | $108,000 | -11.5% | 1,180 | +22.5% | 0.00% | 0.0% |
| Q2 2019 | $122,000 | -40.5% | 963 | -26.2% | 0.00% | -50.0% |
| Q1 2019 | $205,000 | +86.4% | 1,305 | +18.2% | 0.00% | +33.3% |
| Q4 2018 | $110,000 | -6.8% | 1,104 | +36.6% | 0.00% | +50.0% |
| Q3 2018 | $118,000 | – | 808 | – | 0.00% | – |
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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% |