A version of this article appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox. Tech billionaire Eric Schmidt's family office took the top spot in CNBC's inaugural Inside Wealth Family Office 15 list, which ranks the most active U.S. family offices for dealmaking in 2025. Schmidt's family office, Hillspire, made 15 investments in 2025, most of them in artificial