BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 296 filers reported holding BLUEBIRD BIO INC in Q1 2019. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $29,299,000 | +29.0% | 186,226 | -18.7% | 0.02% | +16.7% |
| Q4 2018 | $22,718,000 | -68.8% | 229,011 | -54.0% | 0.02% | -25.0% |
| Q3 2018 | $72,712,000 | +84.3% | 498,032 | +98.1% | 0.02% | -11.1% |
| Q2 2018 | $39,462,000 | -0.9% | 251,430 | +7.8% | 0.03% | 0.0% |
| Q1 2018 | $39,824,000 | -7.1% | 233,230 | -3.1% | 0.03% | -3.6% |
| Q4 2017 | $42,889,000 | +35.9% | 240,813 | +4.8% | 0.03% | +27.3% |
| Q3 2017 | $31,555,000 | +38.9% | 229,742 | +6.3% | 0.02% | +37.5% |
| Q2 2017 | $22,714,000 | +82.9% | 216,219 | +58.2% | 0.02% | +77.8% |
| Q1 2017 | $12,420,000 | +36.0% | 136,632 | -7.7% | 0.01% | +28.6% |
| Q4 2016 | $9,134,000 | +5.7% | 148,033 | +16.1% | 0.01% | +40.0% |
| Q3 2016 | $8,639,000 | +32.0% | 127,462 | -15.7% | 0.01% | 0.0% |
| Q2 2016 | $6,546,000 | -54.6% | 151,224 | -55.4% | 0.01% | -54.5% |
| Q1 2016 | $14,426,000 | +54.9% | 339,424 | +134.0% | 0.01% | +57.1% |
| Q4 2015 | $9,316,000 | -26.5% | 145,057 | -2.1% | 0.01% | -30.0% |
| Q3 2015 | $12,674,000 | -49.6% | 148,146 | -0.7% | 0.01% | -44.4% |
| Q2 2015 | $25,129,000 | +32.6% | 149,249 | -4.9% | 0.02% | +38.5% |
| Q1 2015 | $18,952,000 | +72.9% | 156,924 | +31.3% | 0.01% | +62.5% |
| Q4 2014 | $10,960,000 | +152.9% | 119,495 | -1.0% | 0.01% | +166.7% |
| Q3 2014 | $4,333,000 | +7.4% | 120,759 | +15.4% | 0.00% | 0.0% |
| Q2 2014 | $4,034,000 | +452.6% | 104,601 | +225.8% | 0.00% | +200.0% |
| Q1 2014 | $730,000 | +46.3% | 32,108 | +34.9% | 0.00% | – |
| Q4 2013 | $499,000 | +12.1% | 23,801 | +44.2% | 0.00% | – |
| Q3 2013 | $445,000 | – | 16,501 | – | 0.00% | – |
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% |