On 26 September 2015, Soriano scored four goals in a 4–2 home win against SV Mattersburg. On 24 October, he netted his 100th league goal whilst helping to a 2–1 victory over SV Ried also at the Red Bull Arena. He arrived at the century mark in 113 games, quicker than national icons Hans Krankl and Toni Polster, and by the following March he had achieved 150 goals in 170 matches across all competitions; manager Óscar García stated: "He is the best footballer I have ever worked with. I hope he never leaves".