BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 177 filers reported holding BLUEBIRD BIO INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $210,000 | -40.2% | 11,000 | 0.0% | 0.05% | -45.2% |
| Q2 2021 | $351,000 | +5.7% | 11,000 | 0.0% | 0.09% | +5.7% |
| Q1 2021 | $332,000 | -30.3% | 11,000 | 0.0% | 0.09% | -32.3% |
| Q4 2020 | $476,000 | -19.7% | 11,000 | 0.0% | 0.13% | -31.9% |
| Q3 2020 | $593,000 | -10.2% | 11,000 | 0.0% | 0.19% | -12.8% |
| Q2 2020 | $660,000 | +30.7% | 11,000 | 0.0% | 0.22% | -4.8% |
| Q1 2020 | $505,000 | -66.1% | 11,000 | -35.3% | 0.23% | -57.2% |
| Q4 2019 | $1,491,000 | -4.5% | 17,000 | 0.0% | 0.54% | -25.5% |
| Q3 2019 | $1,561,000 | -27.8% | 17,000 | 0.0% | 0.72% | -10.1% |
| Q2 2019 | $2,163,000 | -19.1% | 17,000 | 0.0% | 0.80% | -18.8% |
| Q1 2019 | $2,675,000 | +102.0% | 17,000 | 0.0% | 0.99% | +20.2% |
| Q4 2018 | $1,324,000 | -30.4% | 17,000 | 0.0% | 0.82% | -9.1% |
| Q3 2018 | $1,903,000 | -39.3% | 17,000 | -15.0% | 0.90% | -25.0% |
| Q2 2018 | $3,137,000 | -8.1% | 20,000 | 0.0% | 1.20% | -9.5% |
| Q1 2018 | $3,413,000 | -4.1% | 20,000 | 0.0% | 1.33% | +6.1% |
| Q4 2017 | $3,560,000 | +29.6% | 20,000 | 0.0% | 1.26% | +17.4% |
| Q3 2017 | $2,746,000 | – | 20,000 | – | 1.07% | – |
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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% |