Circle's USYC tokenized money market fund has reached a significant milestone, surpassing $3 billion in assets under management (AUM). This achievement positions USYC as the largest tokenized money market fund by AUM, highlighting the growing appeal of onchain yield products backed by traditional financial instruments. The fund offers exposure to short-duration U.S. Treasury securities, allowing investors to earn yield while keeping assets onchain. The growth in USYC's AUM reflects both new capital inflows and reinvested yield, underscoring investor confidence in the compliance and smart contract infrastructure of tokenized funds. This milestone signifies that institutional-grade capital is increasingly comfortable with onchain financial products, expanding the market beyond crypto-native participants to include traditional financial institutions. Circle's success with USYC strengthens its position in the tokenized finance sector, complementing its role as a stablecoin issuer with USDC.