Blue Whale Capital Trims Stake in Lam Research

Semiconductor equipment maker sees institutional shifts as short interest declines

Published on Mar. 11, 2026

Blue Whale Capital LLP reduced its holdings in Lam Research Corporation (NASDAQ:LRCX) by 9.5% in the third quarter, according to a recent 13F filing. The fund now owns 1,701,496 shares of the semiconductor company's stock, making it Lam Research's second-largest institutional investor with a 0.14% stake worth $227.8 million.

Why it matters

Lam Research is a key supplier of wafer fabrication equipment to the semiconductor industry, so changes in major institutional investors' holdings can signal shifts in sentiment around the company and the broader chip equipment market.

The details

Blue Whale Capital sold 178,032 Lam Research shares in the third quarter. The firm now owns 1,701,496 shares, or about 0.14% of the company's outstanding stock. Lam Research accounts for around 12.6% of Blue Whale Capital's portfolio, making it the fund's second-largest holding.

  • Blue Whale Capital filed its 13F report for the third quarter of 2026 on March 11, 2026.

The players

Blue Whale Capital LLP

A London-based investment management firm that owns a significant stake in Lam Research Corporation.

Lam Research Corporation

An American semiconductor equipment company that develops and manufactures systems used in multiple stages of semiconductor device production.

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The takeaway

The reduction in Blue Whale Capital's Lam Research holdings, along with other recent institutional activity and a decline in short interest, suggests some shifting sentiment around the semiconductor equipment maker. However, Lam Research remains a key player in the industry, and its fundamentals appear to be strong.