Stephen Mandel's Lone Pine Capital revealed a significant new investment in Sterling Infrastructure (STRL), acquiring over 609,000 shares valued at approximately $511.71 million. This disclosure, part of a quarterly 13F filing with the SEC, reflects the firm's holdings as of June 30, 2026, and is not a real-time trade. The new position immediately accounts for a 3.13% weight in the respected hedge fund's portfolio.
Sterling Infrastructure has seen substantial growth, driven by its E-Infrastructure solutions segment that serves the booming data center and semiconductor manufacturing markets. The company reported record second-quarter results and a soaring backlog, aligning with Lone Pine's investment philosophy of backing high-conviction companies with strong long-term growth potential.