Lam Research Corporation

(NASDAQ Global Select)
Bullish +75

Forget Nvidia: This AI Semiconductor Stock in Billionaire Philippe Laffont Portfolio Is Winning in 2026

πŸ“ˆ Lam Research (LRCX) ranks #10 in billionaire Philippe Laffont's Top 10 Picks portfolio, with a stake valued at $1.67 billion.

πŸ€– The company is highlighted as a key "pick-and-shovel" play, supplying essential etch and deposition systems used repeatedly to manufacture advanced AI chips.

πŸ›‘οΈ LRCX holds a strong competitive moat in global high-level etch and deposition technology, creating extremely high switching costs for chipmakers once qualified.

🏒 Major customers utilizing Lam Research equipment include TSMC, Samsung, Intel, Micron, SK hynix, and SMIC to build advanced logic and memory products.

πŸ“Š Stock performance shows LRCX up approximately 35% year-to-date, significantly outpacing Nvidia's 6% gain over the same period.

πŸ’¬ The Parnassus Mid Cap Fund cited strong demand for Lam Research tools in its Q4 2025 investor letter, attributing this to the AI megatrend.

⚠️ Despite positive performance, the fund notes a belief that some other AI stocks may offer higher potential returns within a shorter time frame.

πŸ”­ The article positions LRCX as a winning stock for 2026, capitalizing on accelerating AI data center demand and the shift to 3D chip architectures.

Bullish Signals
  • Lam Research Corporation (NASDAQ: LRCX) is a top-ranked holding in billionaire Philippe Laffont's portfolio with a stake valued at $1.67 billion.
  • The stock has been a major winner in the portfolio during the AI boom, acting as a key 'pick-and-shovel' name essential for building advanced chips like GPUs and HBM.
  • LRCX shares have surged approximately 35% so far this year, significantly outperforming Nvidia's 6% gain in the same period.
  • The company maintains a strong competitive moat as one of only a few global players capable of competing at the highest level in etch and deposition technology.
  • Customers including TSMC, Samsung, Intel, Micron, SK hynix, and SMIC rely on Lam's equipment, creating high switching costs due to the critical nature of advanced manufacturing.
  • Parnassus Mid Cap Fund highlighted strong demand for LRCX's industry-leading process tools in its Q4 2025 investor letter, driven by the AI megatrend.
Risk Factors
  • While Lam Research is positioned as a key pick-and-shovel play for the AI boom, the article suggests there may be more promising AI stocks offering greater return potential within shorter time frames.
  • The fund manager expresses skepticism about LRCX relative to other AI stocks, implying that the company's upside potential may be limited compared to alternatives with '10,000% upside potential'.
Full Analysis
Lam Research Corporation (NASDAQ: LRCX) has emerged as a standout performer in the AI semiconductor sector, significantly outpacing major rival Nvidia. As of the data provided, Lam Research has gained approximately 35% year-to-date, compared to Nvidia's 6% gain during the same period. The stock holds a prominent position #10 within the Top 10 Picks portfolio of billionaire Philippe Laffont, who maintains a stake valued at $1.67 billion in the company through the Parnassus Mid Cap Fund. This investment underscores LRCX's status as a critical "pick-and-shovel" play benefiting directly from the accelerating demand for AI chips and advanced data center infrastructure. The company manufactures essential wafer fabrication equipment, specifically etch and deposition systems, which are indispensable for creating advanced logic semiconductors, GPUs, and high-bandwidth memory (HBM). These tools are particularly vital given the industry's shift toward complex 3D architectures and smaller process nodes required for next-generation AI processing. The market landscape is highly concentrated; only a few global competitors offer these specific technologies at the highest level, granting Lam Research a robust competitive moat. Furthermore, once semiconductor manufacturers like TSMC, Samsung, Intel, Micron, SK hynix, SMIC, and other foundries qualify Lam's equipment for their production lines, they face extremely high switching costs due to the precision required in advanced manufacturing processes. Despite its strong performance, the Parnassus Mid Cap Fund expressed a nuanced outlook in its fourth quarter 2025 investor letter while acknowledging LRCX's risks and potential. The fund noted that while strong demand for Lam's industry-leading tools continues to be driven by the AI megatrend, their conviction remains focused on other AI stocks perceived as having greater promise for delivering higher returns over a shorter timeframe. The firm hinted at an alternative AI stock with "10,000% upside potential," suggesting investors looking for accelerated growth might prefer other targets alongside or instead of Lam Research.