Ark Invest bought 41,904 Circle Internet Group shares worth about $5.5 million through three exchange-traded funds, marking its first purchase since March 24. The buy came after Circle’s first-quarter earnings, with the stock closing 15.91% higher at $131.76. Circle reported Q1 revenue of $694 million, up 20% year over year, while net profit fell to $55 million. The company also said USDC on-chain volume reached $21.5 trillion and circulation rose to $77 billion, adding operational context to investor interest in the crypto-linked equity.