BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $6,754,189 | -7.5% | 2,221,494 | +0.1% | 0.00% | 0.0% |
| Q2 2023 | $7,303,007 | +9.4% | 2,219,758 | +5.8% | 0.00% | 0.0% |
| Q1 2023 | $6,673,684 | +58969.6% | 2,098,642 | +28.5% | 0.00% | -50.0% |
| Q4 2022 | $11,298 | -99.9% | 1,632,707 | +13.9% | 0.00% | +100.0% |
| Q3 2022 | $9,074,000 | +74.3% | 1,433,524 | +14.0% | 0.00% | 0.0% |
| Q2 2022 | $5,206,000 | -4.2% | 1,257,612 | +12.2% | 0.00% | 0.0% |
| Q1 2022 | $5,437,000 | -56.0% | 1,121,177 | -9.4% | 0.00% | 0.0% |
| Q4 2021 | $12,363,000 | -44.5% | 1,237,612 | +6.1% | 0.00% | -66.7% |
| Q3 2021 | $22,290,000 | -43.2% | 1,166,415 | -5.0% | 0.00% | -40.0% |
| Q2 2021 | $39,266,000 | +57.4% | 1,227,854 | +48.4% | 0.01% | +25.0% |
| Q1 2021 | $24,941,000 | -29.2% | 827,244 | +1.6% | 0.00% | -33.3% |
| Q4 2020 | $35,236,000 | -14.3% | 814,364 | +6.9% | 0.01% | -25.0% |
| Q3 2020 | $41,109,000 | -12.2% | 761,996 | -0.6% | 0.01% | -20.0% |
| Q2 2020 | $46,816,000 | +54.4% | 766,975 | +16.3% | 0.01% | +25.0% |
| Q1 2020 | $30,321,000 | -72.9% | 659,728 | -48.2% | 0.01% | -33.3% |
| Q4 2019 | $111,850,000 | +96.9% | 1,274,646 | +106.0% | 0.01% | -7.7% |
| Q3 2019 | $56,814,000 | -27.5% | 618,755 | +0.4% | 0.01% | -31.6% |
| Q2 2019 | $78,385,000 | -15.3% | 616,235 | +4.7% | 0.02% | -20.8% |
| Q1 2019 | $92,565,000 | -15.6% | 588,352 | -46.8% | 0.02% | +41.2% |
| Q4 2018 | $109,626,000 | +47.4% | 1,105,118 | +117.0% | 0.02% | -19.0% |
| Q3 2018 | $74,366,000 | -1.5% | 509,367 | +5.9% | 0.02% | -8.7% |
| Q2 2018 | $75,497,000 | -6.6% | 481,029 | +1.6% | 0.02% | -11.5% |
| Q1 2018 | $80,839,000 | -0.2% | 473,435 | +4.1% | 0.03% | -7.1% |
| Q4 2017 | $81,034,000 | +41.3% | 454,997 | +9.0% | 0.03% | +33.3% |
| Q3 2017 | $57,331,000 | +46.2% | 417,409 | +11.8% | 0.02% | +40.0% |
| Q2 2017 | $39,223,000 | +21.5% | 373,382 | +5.1% | 0.02% | +15.4% |
| Q1 2017 | $32,288,000 | +60.2% | 355,213 | +8.8% | 0.01% | +44.4% |
| Q4 2016 | $20,151,000 | +6.6% | 326,610 | +17.1% | 0.01% | -10.0% |
| Q3 2016 | $18,907,000 | +62.8% | 278,959 | +3.9% | 0.01% | +66.7% |
| Q2 2016 | $11,617,000 | +17.6% | 268,368 | +15.5% | 0.01% | +20.0% |
| Q1 2016 | $9,876,000 | -30.2% | 232,398 | +5.5% | 0.01% | -37.5% |
| Q4 2015 | $14,143,000 | -22.0% | 220,243 | +3.9% | 0.01% | -27.3% |
| Q3 2015 | $18,129,000 | -40.5% | 211,914 | +17.1% | 0.01% | -35.3% |
| Q2 2015 | $30,472,000 | +31.4% | 180,987 | -5.8% | 0.02% | +30.8% |
| Q1 2015 | $23,198,000 | +113.1% | 192,090 | +61.9% | 0.01% | +116.7% |
| Q4 2014 | $10,884,000 | +175.8% | 118,669 | +7.9% | 0.01% | +100.0% |
| Q3 2014 | $3,947,000 | +87.5% | 110,007 | +101.5% | 0.00% | +200.0% |
| Q2 2014 | $2,105,000 | +101.6% | 54,582 | +18.8% | 0.00% | 0.0% |
| Q1 2014 | $1,044,000 | +10.5% | 45,930 | +1.9% | 0.00% | 0.0% |
| Q4 2013 | $945,000 | -3.9% | 45,063 | +23.6% | 0.00% | 0.0% |
| Q3 2013 | $983,000 | – | 36,445 | – | 0.00% | – |
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% |