"To mount an exhibition" means to organize and set up a display of artworks or items at a specific location, like a gallery or museum, for people to view and appreciate. Full definition
To mark this occasion, the gallery will be mounting an exhibition of sculptures and drawings. (michaelrosenfeldart.com)
It is rare nowadays to see commercial galleries mounting exhibitions for single artists or a coherent group of artists from the 18th and 19th centuries. (telegraph.co.uk)
In 2012, the museum mounted an exhibition devoted to the work and its stage adaptations. (hamptonsarthub.com)