Karhu-Kissat played in the country's top-tier SM-sarja for the first time the season 1942–43. In February 6th of the next season, the match between Karhu-Kissat and TBK at Helsinki was stopped because the hockey field was bombed. As a result, a Karhu-Kissat's player was injured and never played hockey again. The seasons 1944–45, 1946–47 and 1948–49, the club also played in the top-tier but after all those seasons was relegated. They returned decisively in the top-tier the season 1951–52, and stayed there until the season 1956–57. This period the team managed to take second place in 1953-54 SM-sarja after losing both games to TBK at the final. Another participation in SM-sarja, the season 1971–72, ended in relegation. The club played for the last time in the top-tier the season 1973–74. The years that followed, financial difficulties never let the club take part in the top league categories. Currently the club plays in the 3. Divisioona, the 5th-level league of Finland.