Career
Aaquist played for F.C. Copenhagen until 2014. In the autumn 2014, he was loaned out to Air Corps Horsens. On 21 January 2015, Aaquist signed with Football Club Helsingør on a free transfer.
Aaquist gained his first Danish Superliga match on 20 May 2013, when he replaced Christian Bolaños in the final match of the season, a home game against SønderjyskE.