BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $1,310,000 | -19.8% | 30,273 | 0.0% | 0.39% | -26.6% |
| Q3 2020 | $1,633,000 | -11.6% | 30,273 | 0.0% | 0.53% | -0.4% |
| Q2 2020 | $1,848,000 | +57.7% | 30,273 | +18.7% | 0.53% | +9.0% |
| Q1 2020 | $1,172,000 | -47.6% | 25,500 | 0.0% | 0.49% | -36.3% |
| Q4 2019 | $2,238,000 | -4.4% | 25,500 | 0.0% | 0.77% | -12.7% |
| Q3 2019 | $2,341,000 | -27.8% | 25,500 | 0.0% | 0.88% | -27.8% |
| Q2 2019 | $3,244,000 | -23.6% | 25,500 | -5.6% | 1.22% | -33.5% |
| Q1 2019 | $4,248,000 | +58.6% | 27,000 | 0.0% | 1.83% | +37.6% |
| Q4 2018 | $2,678,000 | -10.5% | 27,000 | +31.7% | 1.33% | +8.4% |
| Q3 2018 | $2,993,000 | +376.6% | 20,500 | +412.5% | 1.23% | +318.0% |
| Q2 2018 | $628,000 | +76.4% | 4,000 | +100.0% | 0.29% | +53.1% |
| Q4 2017 | $356,000 | -42.4% | 2,000 | -55.6% | 0.19% | -50.0% |
| Q3 2017 | $618,000 | -26.4% | 4,500 | -43.8% | 0.38% | -35.9% |
| Q2 2017 | $840,000 | +2.7% | 8,000 | -11.1% | 0.60% | -13.4% |
| Q1 2017 | $818,000 | +47.4% | 9,000 | 0.0% | 0.69% | +41.8% |
| Q4 2016 | $555,000 | +36.4% | 9,000 | +50.0% | 0.49% | +72.4% |
| Q3 2016 | $407,000 | -21.6% | 6,000 | -50.0% | 0.28% | -31.1% |
| Q2 2016 | $519,000 | +1.8% | 12,000 | 0.0% | 0.41% | -6.6% |
| Q1 2016 | $510,000 | +32.5% | 12,000 | +100.0% | 0.44% | +28.3% |
| Q4 2015 | $385,000 | -25.0% | 6,000 | 0.0% | 0.34% | -32.6% |
| Q3 2015 | $513,000 | -49.2% | 6,000 | 0.0% | 0.51% | -40.4% |
| Q2 2015 | $1,010,000 | +4.6% | 6,000 | -25.0% | 0.85% | +15.1% |
| Q1 2015 | $966,000 | -15.8% | 8,000 | -36.0% | 0.74% | -18.2% |
| Q4 2014 | $1,147,000 | +27.9% | 12,500 | -50.0% | 0.91% | +0.2% |
| Q3 2014 | $897,000 | – | 25,000 | – | 0.90% | – |
Download | ||||||
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% |