76 || style="text-align:left;" | (lost semi-final to Leinster) |- style="background:#F8EDFA;" | 2013–14 || 2nd & RU || 22 || 18 || 0 || 4 || 484 || 309 || +175 || 7 || 79 || style="text-align:left;" | (lost final to Leinster) |- style="background:#F8EDFA;" | 2014–15 || 1st & CH || 22 || 16 || 1 || 5 || 540 || 360 || +180 || 9 || 75 || style="text-align:left;" | (defeated Munster in final) |- style="background:#F8EDFA;" | 2015–16 || 3rd || 22 || 13 || 1 || 7 || 557 || 380 || +177 || 14 || 72 || style="text-align:left;" | (lost semi-final to Connacht) |- style="background:#F8EDFA;" | 2016–17 || 6th || 22 || 11 || 0 || 11 || 540 || 464 || +76 || 14 || 58 || style="text-align:left;" | |- style="background:#C6E7FA;" | 2017–18 || 1st in Conf A || 21 || 15 || 1 || 5 || 614 || 366 || +248 || 14 || 76 || style="text-align:left;" | (lost semi-final to Scarlets) |- style="background:#C6E7FA;" | 2018–19 || 1st Cf A & RU || 21 || 16 || 0 || 5 || 621 || 380 || +241 || 17 || 81 || style="text-align:left;" | (lost final to Leinster) |- style="background:#C6E7FA;" | 2019–20 || 3rd in Conf A || 15 || 8 || 0 || 7 || 364 || 329 || +35 || 6 || 38 || style="text-align:left;" | (no quarter-final place as tournament curtailed) |- style="background:#C6E7FA;" | 2020–21 || 4th in Conf A || 16 || 6 || 0 || 10 || 335 || 377 || -42 || 6 || 30 || style="text-align:left;" | |- style="background:#16FB2B;" | 2020–21 || 3rd in Europ. League || 5 || 4 || 0 || 1 || 121 || 117 || +4 || 3 || 19 || style="text-align:left;" | |- style="background:#FF6000;" | 2021–22 || 8th || 18 || 10 || 0 || 8 || 409 || 376 || +33 || 10 || 50 || style="text-align:left;" | (lost quarter-final to Leinster) |} European competitions {| class="wikitable" |- border=1 cellpadding=5 cellspacing=0 ! style="width:80px;"| Season ! style="width:100px;"|Pos ! style="width:20px;"|Pld ! style="width:20px;"|W ! style="width:20px;"|D ! style="width:20px;"|L ! style="width:20px;"|F ! style="width:20px;"|A ! style="width:25px;"|+/- ! style="width:20px;"|BP ! style="width:20px;"|Pts ! |Notes |- align=center | style="text-align:left; background:#ccffcc;"| | style="text-align:left; background:#ccffcc;"| | style="background:#ccffcc;"|5|| style="background:#ccffcc;"|1|| style="background:#ccffcc;"|0|| style="background:#ccffcc;"|4|| style="background:#ccffcc;"|113|| style="background:#ccffcc;"|202|| style="background:#ccffcc;"|-89|| style="background:#ccffcc;"|-|| style="background:#ccffcc;"|2|| style="background:#ccffcc;"| |- align=center | style="text-align:left; background:#ffffcc;"|1997–98 ᵜ | style="text-align:left; background:#ffffcc;"| | style="background:#ffffcc;"|6|| style="background:#ffffcc;"|3|| style="background:#ffffcc;"|0|| style="background:#ffffcc;"|3|| style="background:#ffffcc;"|132|| style="background:#ffffcc;"|167|| style="background:#ffffcc;"|-35|| style="background:#ffffcc;"|-|| style="background:#ffffcc;"|6||