BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 249 filers reported holding BLUEBIRD BIO INC in Q3 2017. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $803,000 | -7.8% | 26,631 | +32.2% | 0.00% | 0.0% |
| Q4 2020 | $871,000 | -8.7% | 20,139 | +13.9% | 0.00% | 0.0% |
| Q3 2020 | $954,000 | -49.7% | 17,676 | -43.1% | 0.00% | -66.7% |
| Q2 2020 | $1,897,000 | +56.4% | 31,076 | +17.7% | 0.00% | +50.0% |
| Q1 2020 | $1,213,000 | -60.4% | 26,396 | -24.4% | 0.00% | -50.0% |
| Q4 2019 | $3,062,000 | -4.3% | 34,896 | +0.1% | 0.00% | -20.0% |
| Q3 2019 | $3,200,000 | -34.9% | 34,856 | -9.8% | 0.01% | -28.6% |
| Q2 2019 | $4,917,000 | -27.4% | 38,656 | -10.2% | 0.01% | -30.0% |
| Q1 2019 | $6,776,000 | +75.2% | 43,069 | +10.5% | 0.01% | +42.9% |
| Q4 2018 | $3,868,000 | -48.1% | 38,991 | -23.7% | 0.01% | -36.4% |
| Q3 2018 | $7,457,000 | -6.6% | 51,077 | +0.4% | 0.01% | -8.3% |
| Q2 2018 | $7,987,000 | -0.9% | 50,886 | +7.8% | 0.01% | 0.0% |
| Q1 2018 | $8,057,000 | +2.6% | 47,186 | +7.0% | 0.01% | +9.1% |
| Q4 2017 | $7,852,000 | +36.5% | 44,086 | +5.2% | 0.01% | +22.2% |
| Q3 2017 | $5,753,000 | +20.9% | 41,888 | -7.5% | 0.01% | +28.6% |
| Q2 2017 | $4,758,000 | -0.8% | 45,288 | -14.2% | 0.01% | -12.5% |
| Q1 2017 | $4,798,000 | +30.7% | 52,788 | -11.3% | 0.01% | +33.3% |
| Q4 2016 | $3,672,000 | -8.6% | 59,521 | +0.5% | 0.01% | -14.3% |
| Q3 2016 | $4,016,000 | +125.1% | 59,254 | +43.8% | 0.01% | +133.3% |
| Q2 2016 | $1,784,000 | +1.1% | 41,200 | -0.7% | 0.00% | 0.0% |
| Q1 2016 | $1,764,000 | -36.6% | 41,500 | -4.2% | 0.00% | -50.0% |
| Q4 2015 | $2,781,000 | -26.4% | 43,300 | -2.0% | 0.01% | -14.3% |
| Q3 2015 | $3,781,000 | -46.8% | 44,200 | +4.7% | 0.01% | -46.2% |
| Q2 2015 | $7,105,000 | +36.5% | 42,200 | -2.1% | 0.01% | +44.4% |
| Q1 2015 | $5,205,000 | +59.9% | 43,100 | +21.4% | 0.01% | +80.0% |
| Q4 2014 | $3,256,000 | +326.2% | 35,500 | +66.7% | 0.01% | +400.0% |
| Q3 2014 | $764,000 | – | 21,300 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AlpInvest Partners B.V. | 46,264 | $3,958,000 | 7.80% |
| RTW INVESTMENTS, LP | 151,594 | $12,969,000 | 4.03% |
| APIS CAPITAL ADVISORS, LLC | 30,870 | $2,640,000 | 3.65% |
| Parametrica Management Ltd | 4,084 | $349,000 | 2.20% |
| Eventide Asset Management | 419,600 | $35,897,000 | 2.09% |
| RA Capital Management | 167,367 | $14,318,000 | 2.06% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 483,000 | $41,321,000 | 1.60% |
| Taylor Wealth Management Partners | 38,184 | $3,267,000 | 1.58% |
| Orbimed Advisors | 1,188,900 | $101,710,000 | 1.03% |
| CABOT WEALTH MANAGEMENT INC | 34,195 | $2,925,000 | 0.81% |