U.S. Money Market Fund Assets by Manager (2011–2024)

Share of Total U.S. MMF by Seven Major Managers Rose from 57% (2011-2015) to 69% (May 2024). Fidelity and Schwab (Combined Hold 51%), with J.P. Morgan, Vanguard, and Federated Contributing to 84% of the Increase (May 2022 - May 2024).