Based in Connecticut, Commonfund is an American asset management firm founded in 1971 with a seed grant from the Ford Foundation.

As a private nonprofit organization, the firm manages customized investment programs for endowments, foundations, public pension funds, and other mission-driven institutions.

[1] The organization has additional offices in New York City, San Francisco, London, and Beijing.

Along with Yale University CIO David F. Swensen, Commonfund helped pioneer applying the "endowment model" of investing to institutional investor portfolios.

Commonfund is currently the second-largest manager of outsourced endowment assets in the U.S. (surpassed only by the Vanguard Group).