According to the Korea Institute of Corporate Reputation, the top 3 male idol groups in terms of brand values for the month of February are BTS, Seventeen, and EXO. 

The Institute analyzed big data including participation, media, communication, community activity, and more between January 7 through February 8, 2019. 1st place boy group BTS earned a whopping 15,054,429 points - a significant lead from 2nd place boy group Seventeen, who earned 5,883,604. 3rd place boy group EXO earned 5,285,921 points. 

From 4th through 10th place are, as follows: ASTRO, NU'EST, BTOB, SHINee, WINNER, NCT, and INFINITE.