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 | $5,425,428 | -10.9% | 1,784,680 | -3.6% | 0.01% | 0.0% |
| Q2 2023 | $6,092,448 | +13.5% | 1,851,808 | +9.7% | 0.01% | +20.0% |
| Q1 2023 | $5,368,553 | -53.1% | 1,688,224 | +2.0% | 0.01% | -58.3% |
| Q4 2022 | $11,456,288 | +14.0% | 1,655,533 | +4.3% | 0.01% | +9.1% |
| Q3 2022 | $10,048,000 | +51.4% | 1,587,345 | -1.0% | 0.01% | +57.1% |
| Q2 2022 | $6,638,000 | -37.9% | 1,603,353 | -27.3% | 0.01% | -22.2% |
| Q1 2022 | $10,693,000 | -51.3% | 2,204,763 | +0.2% | 0.01% | -25.0% |
| Q4 2021 | $21,972,000 | -42.6% | 2,199,297 | +9.7% | 0.01% | -42.9% |
| Q3 2021 | $38,302,000 | -55.8% | 2,004,292 | -26.0% | 0.02% | -54.3% |
| Q2 2021 | $86,623,000 | +21.4% | 2,708,641 | +14.5% | 0.05% | +24.3% |
| Q1 2021 | $71,327,000 | -8.5% | 2,365,740 | +31.3% | 0.04% | -2.6% |
| Q4 2020 | $77,966,000 | +58.2% | 1,801,876 | +97.3% | 0.04% | +22.6% |
| Q3 2020 | $49,268,000 | +15.8% | 913,206 | +31.0% | 0.03% | 0.0% |
| Q2 2020 | $42,550,000 | +88.2% | 697,061 | +41.7% | 0.03% | +55.0% |
| Q1 2020 | $22,614,000 | -34.2% | 492,047 | +25.7% | 0.02% | -20.0% |
| Q4 2019 | $34,352,000 | -57.3% | 391,458 | -55.3% | 0.02% | -63.2% |
| Q3 2019 | $80,437,000 | +80.1% | 876,024 | +149.6% | 0.07% | +70.0% |
| Q2 2019 | $44,651,000 | -9.8% | 351,033 | +11.5% | 0.04% | -11.1% |
| Q1 2019 | $49,525,000 | +35.9% | 314,784 | -14.3% | 0.04% | +18.4% |
| Q4 2018 | $36,430,000 | -3.9% | 367,232 | +41.4% | 0.04% | +11.8% |
| Q3 2018 | $37,921,000 | +17.7% | 259,738 | +26.6% | 0.03% | +6.2% |
| Q2 2018 | $32,213,000 | -28.8% | 205,240 | -22.6% | 0.03% | -23.8% |
| Q1 2018 | $45,264,000 | +60.0% | 265,088 | +66.9% | 0.04% | +68.0% |
| Q4 2017 | $28,283,000 | +95.5% | 158,806 | +50.8% | 0.02% | +78.6% |
| Q3 2017 | $14,468,000 | +52.7% | 105,331 | +16.8% | 0.01% | +55.6% |
| Q2 2017 | $9,477,000 | -18.3% | 90,204 | -29.3% | 0.01% | -10.0% |
| Q1 2017 | $11,596,000 | +80.5% | 127,563 | +22.5% | 0.01% | +66.7% |
| Q4 2016 | $6,423,000 | -6.5% | 104,096 | +2.7% | 0.01% | -14.3% |
| Q3 2016 | $6,869,000 | +71.3% | 101,322 | +9.3% | 0.01% | +75.0% |
| Q2 2016 | $4,011,000 | -11.0% | 92,666 | -12.6% | 0.00% | -20.0% |
| Q1 2016 | $4,507,000 | -2.4% | 106,043 | +47.5% | 0.01% | 0.0% |
| Q4 2015 | $4,616,000 | -21.2% | 71,883 | +5.0% | 0.01% | -28.6% |
| Q3 2015 | $5,856,000 | -77.8% | 68,440 | -56.3% | 0.01% | -73.1% |
| Q2 2015 | $26,376,000 | +174.2% | 156,661 | +96.7% | 0.03% | +160.0% |
| Q1 2015 | $9,619,000 | +15.7% | 79,659 | -12.2% | 0.01% | +42.9% |
| Q4 2014 | $8,316,000 | +181.7% | 90,680 | +10.2% | 0.01% | +250.0% |
| Q3 2014 | $2,952,000 | +47.2% | 82,277 | +58.2% | 0.00% | 0.0% |
| Q2 2014 | $2,006,000 | +53.2% | 51,996 | -9.6% | 0.00% | +100.0% |
| Q1 2014 | $1,309,000 | – | 57,539 | – | 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% |