In the second quarter of 2026, Stephen Mandel's Lone Pine Capital executed a significant portfolio reshuffle, increasing its total value to $16.36 billion. The fund initiated several large new positions, most notably in the semiconductor and industrial gas sectors. New additions include a $1.18 billion stake in Nebius Group N.V. and a $1.13 billion position in ASML Holding. The firm also made substantial new investments in Seagate Technology, a data storage company, along with Home Depot and industrial gas supplier Linde PLC. Applied Materials, a semiconductor equipment manufacturer, was another major new purchase, initiated after the company reported record quarterly performance and forecasted over 30% growth for its semiconductor business in calendar 2026, driven by the global build-out of AI infrastructure.
This shift into technology and industrials was funded by the complete exit from several significant holdings in the energy and healthcare sectors. Lone Pine liquidated its entire position in Vistra Energy, which had been its largest holding. Vistra reported a substantial rise in adjusted EBITDA but missed overall revenue and earnings expectations for the quarter. The firm also exited Talen Energy, which reported a deep earnings miss. In healthcare, the fund sold its entire stake in Tenet Healthcare (THC), despite the company reporting a 52% year-over-year increase in adjusted EPS and raising its full-year guidance. Similarly, the holding in environmental services company Clean Harbors was eliminated, even after it posted a 34% increase in net income and boosted its 2026 guidance.
The filing indicates a clear strategic rotation, moving away from sectors where the fund likely realized gains and into companies positioned to benefit from long-term secular growth trends in artificial intelligence and data infrastructure. This aligns with Mandel's investment philosophy of focusing on high-quality businesses with durable growth prospects. The additions of Seagate, ASML, and Applied Materials, coupled with the shedding of energy and hospital stocks, underscore a high-conviction bet on the foundational 'picks and shovels' of the technology sector.