BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 238 filers reported holding BLUEBIRD BIO INC in Q1 2021. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,080,000 | +206.8% | 108,149 | +487.9% | 0.04% | +122.2% |
| Q3 2021 | $352,000 | -31.9% | 18,397 | +7.2% | 0.02% | -37.9% |
| Q1 2021 | $517,000 | +102.0% | 17,159 | +189.9% | 0.03% | +38.1% |
| Q4 2020 | $256,000 | -51.5% | 5,919 | -39.5% | 0.02% | -63.2% |
| Q3 2020 | $528,000 | +133.6% | 9,785 | +164.5% | 0.06% | +50.0% |
| Q2 2020 | $226,000 | +8.1% | 3,699 | -18.5% | 0.04% | +52.0% |
| Q1 2020 | $209,000 | – | 4,538 | – | 0.02% | – |
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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% |