Artistic Prefigurations, Institutional Becomings is a two-day symposium exploring how artistic practice engages with the institutional, economic, and political conditions that surround it, not only as constraints, but as sites of action: conditions to be questioned, unsettled, and reshaped to test, in the present, other ways of organizing social, political, and civic life yet to come. At a time of deepening socio-political division and the erosion of cultural infrastructures, such engagement is urgent. These reflections underpin the European Cooperation Project Institution(ing)s: Co-Creating Inclusive and Sustainable European Art Institutions, a collaboration between eight organizations across seven countries to develop new institutional models. Within this framework, the concept of instituent practices, as proposed by philosopher and theorist Gerald Raunig, is central