Cathie Wood and Ark Invest added to three positions recently: Circle, Bullish, and Schrödinger. Circle (CRCL) is the company behind the USDC stablecoin. Their revenue jumped 66% to $740 million last quarter, mostly coming from interest earned on reserves. Bullish (BLSH) operates a crypto exchange for institutional clients. They turned a profit of $18.5 million compared to a loss last year, with revenue up 72%. Schrödinger (SDGR) focuses on AI software for drug discovery. Their software revenue grew 28% and they narrowed their quarterly net loss to $32.8 million.