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 | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,266,000 | -41.2% | 261,107 | +21.1% | 0.00% | -33.3% |
| Q4 2021 | $2,153,000 | +193.3% | 215,536 | +2476.6% | 0.00% | +50.0% |
| Q4 2019 | $734,000 | -4.4% | 8,365 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $768,000 | -63.9% | 8,365 | -50.0% | 0.00% | -60.0% |
| Q2 2019 | $2,128,000 | +4.9% | 16,729 | +29.7% | 0.01% | 0.0% |
| Q1 2019 | $2,029,000 | -72.2% | 12,898 | -82.5% | 0.01% | -73.7% |
| Q4 2018 | $7,308,000 | -32.1% | 73,674 | 0.0% | 0.02% | -17.4% |
| Q3 2018 | $10,756,000 | -58.7% | 73,674 | -55.6% | 0.02% | -23.3% |
| Q2 2018 | $26,038,000 | -2.4% | 165,906 | +6.2% | 0.03% | -51.6% |
| Q1 2018 | $26,683,000 | – | 156,268 | – | 0.06% | – |
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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% |