Sumitomo Mitsui Trust Group Trims Lam Research Stake

Institutional investor reduces position in semiconductor equipment maker

Apr. 12, 2026 at 10:53am

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An extreme close-up of the intricate mechanical and electronic components that make up the machinery used in semiconductor fabrication, rendered in a high-contrast, industrial style that emphasizes the scale and complexity of the technology powering the semiconductor industry.The complex inner workings of the semiconductor industry, captured in a dramatic, high-resolution close-up that conveys the technological sophistication and capital-intensive nature of modern chip manufacturing.Fremont Today

Sumitomo Mitsui Trust Group Inc. has reduced its stake in Lam Research Corporation (NASDAQ:LRCX) by 0.4% during the fourth quarter, according to a recent SEC filing. The firm now owns 3,243,886 shares of the semiconductor company's stock, valued at approximately $555.29 million.

Why it matters

Lam Research is a leading manufacturer of semiconductor fabrication equipment, so changes in major institutional ownership can signal shifts in investor sentiment around the company and the broader semiconductor industry.

The details

Sumitomo Mitsui Trust Group cut its position in Lam Research by selling 14,649 shares during the fourth quarter. The firm now owns approximately 0.26% of Lam Research's outstanding shares. Several other large investors have also recently adjusted their holdings in the semiconductor equipment maker.

  • Sumitomo Mitsui Trust Group reduced its Lam Research stake during the fourth quarter of 2025.

The players

Sumitomo Mitsui Trust Group Inc.

A major institutional investor that owns a sizable stake in semiconductor company Lam Research.

Lam Research Corporation

A leading global supplier of wafer fabrication equipment and services to the semiconductor industry.

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The takeaway

This reduction in Sumitomo Mitsui Trust Group's Lam Research position, though relatively small, could signal a shift in sentiment around the semiconductor equipment maker as investors reassess the company's valuation and growth prospects.