William A. Farnsworth Library and Art Museum is an independent non-profit foundation based in Rockland, Maine. Established in 1987, the foundation's mission is to extend support to collections, exhibitions, education, and retail services in order to celebrate Maine's role in American art. The assets of the foundation are managed by the board of trustees.William A. Farnsworth Library and Art Museum's investment portfolio is valued at $20.87 million, with investments in equity, fixed income, private equity, and cash.