Why Littelfuse (LFUS) Is Emerging as an AI Infrastructure Winner

First Pacific Advisors recently disclosed its Q2 2026 investor letter, where they identified Littelfuse (NASDAQ:LFUS) as an AI infrastructure winner. Littelfuse manufactures niche electrical components like fuses, sensors, and semiconductors for various end markets, including automotive, industrial, and electronics. The small-cap technology sector surged nearly 100% in the first half of 2026, contributing significantly to the fund's overall returns.

Littelfuse's shares traded between $233.36 and $500.57 over the last 52 weeks, with a market capitalization of approximately $10.47 billion as of August 31, 2026. The fund noted Littelfuse's high teens operating margins and strong returns on capital following the elimination of about $62 million in capital gains during Q2 2026.