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 | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $554,671 | -74.0% | 168,593 | -67.3% | 0.00% | -85.7% |
| Q2 2022 | $2,134,000 | -46.3% | 515,549 | -37.1% | 0.01% | -41.7% |
| Q1 2022 | $3,975,000 | +133.1% | 819,634 | +380.2% | 0.01% | +200.0% |
| Q4 2021 | $1,705,000 | -75.3% | 170,693 | -25.4% | 0.00% | -77.8% |
| Q1 2021 | $6,898,000 | +1218.9% | 228,802 | +1792.5% | 0.02% | +800.0% |
| Q4 2020 | $523,000 | -83.9% | 12,090 | -79.9% | 0.00% | -83.3% |
| Q3 2020 | $3,249,000 | -45.7% | 60,230 | -53.7% | 0.01% | -75.5% |
| Q1 2020 | $5,981,000 | +55.8% | 130,127 | +331.2% | 0.05% | +276.9% |
| Q2 2019 | $3,838,000 | -84.8% | 30,175 | -88.2% | 0.01% | -86.9% |
| Q4 2018 | $25,325,000 | +62.6% | 255,290 | +191.9% | 0.10% | +94.1% |
| Q4 2017 | $15,577,000 | -2.6% | 87,461 | -24.9% | 0.05% | -8.9% |
| Q3 2017 | $15,991,000 | +4976.5% | 116,431 | +3781.0% | 0.06% | +5500.0% |
| Q2 2017 | $315,000 | -92.2% | 3,000 | -93.2% | 0.00% | -92.3% |
| Q1 2017 | $4,018,000 | -87.7% | 44,200 | -77.2% | 0.01% | -91.4% |
| Q2 2015 | $32,580,000 | +6817.2% | 193,504 | +4861.6% | 0.15% | +7500.0% |
| Q1 2015 | $471,000 | -63.8% | 3,900 | -72.5% | 0.00% | -71.4% |
| Q4 2014 | $1,302,000 | +218.3% | 14,197 | +33.9% | 0.01% | +250.0% |
| Q2 2014 | $409,000 | – | 10,600 | – | 0.00% | – |
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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% |