All champions since 2014/15
By season
Glasgow WarriorsGlasgow
Munster RugbyMunster
StormersStormers
Benetton TrevisoTreviso
Leinster RugbyLeinsterLeinster RugbyLeinsterLeinster RugbyLeinster2016/17
ScarletsScarlets2015/16
Connacht RugbyConnacht2014/15
Glasgow WarriorsGlasgowMost successful
3
Leinster RugbyLeinster2019/20 2018/19 2017/18
2
Glasgow WarriorsGlasgow2023/24 2014/15
1
Munster RugbyMunster2022/23
1
Benetton TrevisoTreviso2021
1
StormersStormers2021/22
1
ScarletsScarlets2016/17
1
Connacht RugbyConnacht2015/16