US money market funds have surpassed $8 trillion in assets, fueled by yields of approximately 3.80% that remain attractive compared to traditional bank deposit rates. Despite Federal Reserve rate cuts, these funds have seen weekly inflows of $105 billion, with a total of over $848 billion added in 2025, according to Crane Data and the Investment Company Institute. The competitive returns have drawn interest from both retail and institutional investors looking for stable, low-risk cash management solutions.