USDC Stablecoin Surges to New Heights with $2B Market Cap Gain

Circle's USDC stablecoin has seen significant growth in market capitalization over the past week, adding between $1.5 to $2 billion and reaching a total circulation of approximately $72.7 to $73.7 billion as of mid-August 2026.

This represents the largest gain among major stablecoins during that stretch and puts USDC at roughly 24% of the entire stablecoin market, which DeFiLlama pegs at around $303 billion.

USDC's transparent reserve structure, backed by short-term US Treasuries and cash equivalents, has made it an attractive option for institutional allocators such as hedge funds and corporate treasury departments.

Circle plans to launch the mainnet for its Arc blockchain in September 2026, which is expected to give the company more control over the infrastructure layer where USDC transactions happen.