BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $84,757 | -60.9% | 26,653 | +293.2% | 0.01% | -16.7% |
| Q2 2021 | $217,000 | -36.4% | 6,778 | +7.3% | 0.01% | -62.5% |
| Q3 2020 | $341,000 | -41.8% | 6,315 | -34.3% | 0.02% | -50.0% |
| Q2 2020 | $586,000 | +1731.2% | 9,606 | +1278.2% | 0.03% | +1500.0% |
| Q1 2020 | $32,000 | -73.1% | 697 | -48.6% | 0.00% | -60.0% |
| Q4 2019 | $119,000 | -62.6% | 1,355 | -45.8% | 0.01% | -68.8% |
| Q2 2019 | $318,000 | -3.9% | 2,500 | +18.9% | 0.02% | -15.8% |
| Q1 2019 | $331,000 | +1847.1% | 2,103 | +1794.6% | 0.02% | +1800.0% |
| Q2 2018 | $17,000 | -90.3% | 111 | -91.3% | 0.00% | -93.8% |
| Q3 2017 | $175,000 | -39.9% | 1,277 | -62.5% | 0.02% | -61.9% |
| Q3 2015 | $291,000 | -74.6% | 3,402 | -50.0% | 0.04% | -73.8% |
| Q2 2015 | $1,145,000 | +149.5% | 6,802 | +78.9% | 0.16% | +150.0% |
| Q1 2015 | $459,000 | +398.9% | 3,802 | +280.2% | 0.06% | +392.3% |
| Q4 2014 | $92,000 | – | 1,000 | – | 0.01% | – |
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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% |