Coinbase Invests in ProShares' Money Market ETF, Expanding into Stablecoin Reserve Management Infrastructure

On June 2nd, Coinbase announced an investment in ProShares’ GENIUS Money Market ETF (ticker: IQMM), per an official statement. This fund is the first money market ETF built to comply with GENIUS Act requirements and act as a reserve asset for stablecoins—representing Coinbase’s latest expansion into stablecoin fund management and reserve infrastructure. As described, IQMM primarily invests in U.S. Treasuries with a remaining maturity of 93 days or less, cash, and cash equivalents. It’s structured to align with Section 4 of the GENIUS Act, which governs stablecoin reserve assets. The GENIUS Act mandates stablecoin issuers maintain 1:1 reserve backing with high-quality, highly liquid assets, setting a unified regulatory standard for the sector. Coinbase noted that as stablecoins grow in use for payments, settlements, and the broader digital economy, reserve management, liquidity management, and the infrastructure for stablecoin issuance and redemption have become more critical. The company forecasts stablecoin reserves will eventually include a wider range of high-quality, cash-like assets—such as U.S. Treasuries, ETFs, money market funds, and tokenized assets—and IQMM is a key piece of this evolving infrastructure.