The Belenus Quartett was founded in Basel in 2004 and has a new formation as of October 2010, composed of students at the Zurich University of the Arts. They have been taught by members of the Erato, Aria, Amati, Orpheus and Gringolts quartets as well as Quatuor Mosaïques. Currently their principal teachers are Stephan Goerner (Carmina Quartett) and Isabel Charisius (Alban Berg Quartett). During 2010/2011 they also studied with Walter Levin (LaSalle Quartett) and Oliver Wille (Kuss Quartett) at the Basel University of Music.

In 2011 and 2012, they were prize winners at the “Orpheus Swiss Chamber Music Competition”. The quartet was also among the finalists at the international competition “Franz Schubert und die Musik der Moderne” 2012 and at the 1st international “Sándor Végh Competition” 2012. At the “Sándor Végh Competition” 2012, the quartet was awarded a special prize for the best Haydn interpretation. The quartet also won 1st prize at the “Interpretation competition for contemporary music 2012” at the Zurich University of the Arts as well as the “Kiwanis Competition 2012”. They were awarded third prize at the “Hans Schaeuble Competition” 2012. The Belenus Quartett have above all given concerts in Switzerland and Germany. Their repertoire spans from early Haydn quartets to contemporary works such as “Ph(r)asen” by Swiss composer David Philip Hefti.