BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 236 filers reported holding BLUEBIRD BIO INC in Q2 2021. The put-call ratio across all filers is 1.04 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $7,599,134 | -7.6% | 2,499,715 | 0.0% | 0.04% | -8.3% |
| Q2 2023 | $8,224,062 | +3.5% | 2,499,715 | 0.0% | 0.05% | +11.6% |
| Q1 2023 | $7,949,094 | -54.0% | 2,499,715 | 0.0% | 0.04% | -58.7% |
| Q4 2022 | $17,298,028 | +9.3% | 2,499,715 | 0.0% | 0.10% | 0.0% |
| Q3 2022 | $15,823,000 | +52.9% | 2,499,715 | 0.0% | 0.10% | +76.3% |
| Q2 2022 | $10,349,000 | -14.6% | 2,499,715 | 0.0% | 0.06% | -15.7% |
| Q1 2022 | $12,124,000 | -51.4% | 2,499,715 | 0.0% | 0.07% | -42.1% |
| Q4 2021 | $24,972,000 | -47.7% | 2,499,715 | 0.0% | 0.12% | -42.4% |
| Q3 2021 | $47,770,000 | +558.1% | 2,499,715 | +1001.3% | 0.21% | +556.2% |
| Q2 2021 | $7,259,000 | +6.1% | 226,988 | 0.0% | 0.03% | +6.7% |
| Q1 2021 | $6,844,000 | -30.3% | 226,988 | 0.0% | 0.03% | -18.9% |
| Q4 2020 | $9,822,000 | -27.8% | 226,988 | -9.9% | 0.04% | -31.5% |
| Q3 2020 | $13,595,000 | -16.0% | 252,000 | -4.9% | 0.05% | -23.9% |
| Q2 2020 | $16,176,000 | +780.1% | 265,000 | +562.5% | 0.07% | +545.5% |
| Q1 2020 | $1,838,000 | -47.6% | 40,000 | 0.0% | 0.01% | -42.1% |
| Q4 2019 | $3,510,000 | -4.4% | 40,000 | 0.0% | 0.02% | -24.0% |
| Q3 2019 | $3,673,000 | -27.8% | 40,000 | 0.0% | 0.02% | -28.6% |
| Q2 2019 | $5,088,000 | -19.1% | 40,000 | 0.0% | 0.04% | -12.5% |
| Q1 2019 | $6,293,000 | +58.6% | 40,000 | 0.0% | 0.04% | +25.0% |
| Q4 2018 | $3,968,000 | -54.3% | 40,000 | -32.7% | 0.03% | -43.9% |
| Q3 2018 | $8,678,000 | -72.4% | 59,441 | -70.3% | 0.06% | -75.8% |
| Q2 2018 | $31,390,000 | -8.1% | 200,000 | 0.0% | 0.24% | -18.3% |
| Q1 2018 | $34,150,000 | -4.1% | 200,000 | 0.0% | 0.29% | -6.5% |
| Q4 2017 | $35,620,000 | +7.4% | 200,000 | -17.2% | 0.31% | +14.9% |
| Q3 2017 | $33,162,000 | +4.7% | 241,441 | -19.9% | 0.27% | -2.9% |
| Q2 2017 | $31,666,000 | -0.9% | 301,441 | -14.2% | 0.28% | +6.1% |
| Q1 2017 | $31,946,000 | +47.3% | 351,441 | 0.0% | 0.26% | +22.5% |
| Q4 2016 | $21,684,000 | +8.8% | 351,441 | +19.6% | 0.21% | +17.7% |
| Q3 2016 | $19,923,000 | +56.6% | 293,943 | 0.0% | 0.18% | +36.1% |
| Q2 2016 | $12,725,000 | -15.2% | 293,943 | -16.7% | 0.13% | -15.8% |
| Q1 2016 | $15,000,000 | +65.5% | 352,943 | +150.1% | 0.16% | +110.7% |
| Q4 2015 | $9,062,000 | -24.9% | 141,105 | 0.0% | 0.08% | -33.0% |
| Q3 2015 | $12,072,000 | -52.6% | 141,105 | -6.6% | 0.11% | -49.8% |
| Q2 2015 | $25,442,000 | +43.7% | 151,105 | +3.1% | 0.22% | +51.7% |
| Q1 2015 | $17,703,000 | +28.7% | 146,581 | -2.3% | 0.15% | +5.0% |
| Q4 2014 | $13,758,000 | +155.6% | 150,000 | 0.0% | 0.14% | +105.9% |
| Q3 2014 | $5,382,000 | -29.6% | 150,000 | -24.3% | 0.07% | -27.7% |
| Q2 2014 | $7,647,000 | +69.6% | 198,260 | 0.0% | 0.09% | +64.9% |
| Q1 2014 | $4,508,000 | +87.8% | 198,260 | +73.2% | 0.06% | +67.6% |
| Q4 2013 | $2,401,000 | -20.2% | 114,461 | +2.6% | 0.03% | -20.9% |
| Q3 2013 | $3,007,000 | – | 111,521 | – | 0.04% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 145,000 | $25,825,000 | 6.29% |
| Monashee Investment Management LLC | 37,500 | $6,679,000 | 2.83% |
| Eventide Asset Management | 277,603 | $49,441,000 | 2.58% |
| Redmile Group, LLC | 259,800 | $46,270,000 | 2.01% |
| MayTech Global Investments, LLC | 16,477 | $2,935,000 | 1.93% |
| First Light Asset Management, LLC | 37,838 | $6,739,000 | 1.85% |
| Atika Capital Management LLC | 26,500 | $4,720,000 | 1.82% |
| Taylor Wealth Management Partners | 22,993 | $4,095,000 | 1.74% |
| ARK Investment Management | 121,462 | $21,632,000 | 1.72% |
| Cormorant Asset Management, LP | 80,000 | $14,248,000 | 1.49% |