New research from the Aspen Institute’s Artist-Endowed Foundation Initiative (AEFI) reveals that artist-endowed foundations in the U.S. now control roughly $9 billion in assets, nearly triple the $3.5 billion reported in 2011 and up 17% from $7.7 billion in 2018. The Cy Twombly Foundation leads with $1.5 billion in art and assets, followed by foundations for Alexander Calder, Joan Mitchell, Helen Frankenthaler, and Robert Rauschenberg, each holding over $500 million. The data, drawn from public tax forms, shows that just five of roughly 500 foundations account for more than half the total, with most established by postwar American artists born before 1931.
This growth matters because it underscores the immense financial power and cultural influence of artist-endowed foundations, which act as legal stewards of artists' legacies and major philanthropic players in the art world. As these foundations expand, they shape funding priorities—such as the Frankenthaler Foundation’s pandemic emergency grants and support for the Venice Biennale—and drive decisions about artist colonies, exhibitions, and preservation. The concentration of wealth among a few foundations also raises questions about equity and access in the art ecosystem, as these entities increasingly rival museums in financial heft.