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 2022 | $6,000 | -53.8% | 1,266 | 0.0% | 0.00% | – |
| Q4 2021 | $13,000 | -71.7% | 1,266 | -47.6% | 0.00% | – |
| Q3 2021 | $46,000 | -40.3% | 2,415 | 0.0% | 0.00% | – |
| Q2 2021 | $77,000 | +5.5% | 2,415 | 0.0% | 0.00% | – |
| Q1 2021 | $73,000 | -45.5% | 2,415 | -21.8% | 0.00% | – |
| Q4 2020 | $134,000 | -80.4% | 3,088 | -75.6% | 0.00% | -100.0% |
| Q3 2020 | $684,000 | -14.0% | 12,670 | -2.7% | 0.00% | 0.0% |
| Q2 2020 | $795,000 | +3.0% | 13,026 | -22.4% | 0.00% | -50.0% |
| Q1 2020 | $772,000 | -44.8% | 16,786 | +5.3% | 0.00% | 0.0% |
| Q4 2019 | $1,399,000 | +10.3% | 15,944 | +15.5% | 0.00% | 0.0% |
| Q3 2019 | $1,268,000 | +1661.1% | 13,809 | +2934.9% | 0.00% | – |
| Q1 2019 | $72,000 | -97.9% | 455 | -97.6% | 0.00% | -100.0% |
| Q4 2017 | $3,402,000 | +32.7% | 19,102 | +2.3% | 0.01% | +20.0% |
| Q3 2017 | $2,564,000 | +114.6% | 18,664 | +64.1% | 0.01% | +150.0% |
| Q2 2017 | $1,195,000 | +15.6% | 11,375 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $1,034,000 | +47.1% | 11,375 | -0.2% | 0.00% | +100.0% |
| Q4 2016 | $703,000 | +53.8% | 11,400 | +5.9% | 0.00% | 0.0% |
| Q1 2016 | $457,000 | – | 10,760 | – | 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% |