Key Takeaways Circle's USDC in circulation hit $72.36B in Sept., up from$65.2B in Aug. and $61.3B in Q2 2025. Partnerships with Fireblocks, Finastra, and FIS expand USDC use in payments and settlement flows. Circle's Q2 2025 revenues rose 53$658.1M, while shares fell 4.8% over the past month. Circle Internet Group (CRCL) is benefiting from the strong adoption of the USDC stablecoin. As of Sept. 11, $72.36 billion USDCs were in circulation, rising from$65.2 billion as of Aug. 10, 2025, and $61.3 billi ...