The Proprietors of the Boston Athenaeum, a nonprofit organization dedicated to libraries, operates with an annual budget of $13.1 million and reported total revenue of $9 million for the 2024 filing year. The organization is committed to promoting access to knowledge and culture through its extensive collections and resources. Notably, it does not rely on a single funder for 50% or more of its revenue, ensuring a diverse funding base to support its mission. For more information, visit www.bostonathenaeum.org.