What smart money is saying about Lam Research

LRCX · Technology · Semiconductors · Market cap $486.52B

11 funds in our archive have pitched Lam Research — most recently ACATIS in July 2026.

Company profile

Lam Research Corporation is a prominent supplier of equipment vital for semiconductor processing, encompassing its design, production, sales, repair, and ongoing maintenance. These sophisticated systems are fundamental for the creation of integrated circuits. The company's extensive product catalog features a variety of deposition technologies. For tungsten metallization, they provide ALTUS systems that deposit conformal films. SABRE products excel in electrochemical deposition, crucial for copper interconnect transitions and enabling copper damascene manufacturing. SOLA utilizes ultraviolet thermal processing for film treatments, while VECTOR delivers plasma-enhanced chemical vapor deposition (CVD) and atomic layer deposition (ALD) solutions. Furthermore, SPEED addresses gapfill applications with its high-density plasma CVD products, and Striker is engineered for single-wafer atomic layer deposition of dielectric films. Beyond deposition, Lam Research offers a comprehensive suite of etching tools. Flex is designed for dielectric etch applications, Kiyo handles conductor etch processes, Syndion specializes in through-silicon via etching, and Versys metal products are used for metal etch processes. The company's offerings also extend to specialized solutions like Coronus, which enhances die yield through bevel cleaning. For various wafer cleaning requirements, Lam Research supplies multiple product lines, including Da Vinci, DV-Prime, EOS, and SP series. Additionally, Metryx mass metrology systems provide precise, in-line mass measurement capabilities for semiconductor wafer manufacturing. Lam Research serves the global semiconductor industry, distributing its technologies and services across the United States, China, Europe, Japan, Korea, Southeast Asia, Taiwan, and other international markets. Established in 1980, the company maintains its corporate headquarters in Fremont, California.

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Reported positions

Bought

Sold

Letters

Position history

Between Q4 2024 and Q3 2026, 13 fund letters reported a position in Lam Research — 7 trimmed or exited.

Fund letters reporting a position in Lam Research, by quarter
Quarter	Letters	Sold	Theses
Q3 2026	2	0	2
Q2 2026	10	6	1
Q1 2026	1	1	4
Q4 2025	0	0	1
Q3 2025	0	0	1
Q2 2025	0	0	1
Q4 2024	0	0	1

Fund activity · 13 positions · 7 moves

HoldsACATIS Investment Report
July 2026
“Lam Research (+39.1%):The company‘s addition to the Russell Top 50 Index and a series of bullish analyst upgrades were the reason for the continued strong performance.”
Read the letterLam Research
HoldsGuinness Global Innovators Fund
July 2026
Listed in Guinness Global Innovators Fund’s reported holdings.
Read the letterLam Research
ExitedVlatava fund Vltava Fund SICAV, plc
June 2026
“We sold the troika Lam Research, Applied Materials, and KLA Corporation”
Read the letterLam Research
HoldsGuinness Global Innovators Fund
June 2026
“The Fund benefited from strong performance from its top-performing stock, LAM Research (+23.4%) and new holding AMD (+14.8%), which was purchased during the month.”
Read the letterLam Research
HoldsACATIS Investment
June 2026
“Lam Research (suppliers) was in first place, followed by Infineon (chips for cars and data centres), Jenoptik (chip inspection), Naura (suppliers), Aixtron (chip vapour deposition), TSMC (the world's largest chip producer), Prysmian (high-voltage cables) and Nvidia (AI chips) are all names in the top 10 that have significantly driven performance.”
Read the letterLam Research
TrimmedHosking Partners
June 2026
Listed in Hosking Partners’s reported holdings.
Read the letterLam Research
HoldsACATIS Investment Report
June 2026
“Lam Research (suppliers) was in first place, followed by Infineon (chips for cars and data centres), Jenoptik (chip inspection), Naura (suppliers), Aixtron (chip vapour deposition), TSMC (the world's largest chip producer), Prysmian (high-voltage cables) and Nvidia (AI chips) are all names in the top 10 that have significantly driven performance.”
Read the letterLam Research
HoldsRoyal London AM Global Equity Enhanced Fund
June 2026
“Holdings in Micron, Applied Materials, KLA Corp and Lam Research were among the main positive contributors.”
Read the letterLam Research
ExitedArtisan Partners Global Value Fund
June 2026
“We exited our position in Lam Research.”
Read the letterLam Research
ExitedArtisan Partners US Select Equity Fund
June 2026
“We exited our position in Lam Research.”
Read the letterLam Research
ExitedArtisan Partners Select Equity Strategy
June 2026
“We exited our position in Lam Research.”
Read the letterLam Research
TrimmedArtisan Partners Global Opportunities Fund
June 2026
“Given the stock's recent appreciation and valuation approaching the upper end of our target range, we trimmed the position to manage risk and position size.”
Read the letterLam Research
TrimmedBuffalo Blue Chip Growth Fund
March 2026
“Relative results were partially offset by Lam Research, KLA, and Costco Wholesale.”
Read the letterLam Research

Also mentioned · 8

These funds discuss Lam Research — as a competitor, benchmark or comparable — without disclosing a position in it.

MentionedClearBridge Investments Large Cap Growth Strategy
June 2026
“The largest relative detractors included Netflix and Intuitive Surgical as well as not holding Advanced Micro Devices, Lam Research and KLA.”
Read the letterLam Research
MentionedArtisan Partners Value Equity Strategy
June 2026
“Our top five contributors to return in Q2 were Texas Instruments, Lam Research, NXP Semiconductors, Elevance Health and Alphabet.”
Read the letterLam Research
MentionedBristlemoon Capital Bristlemoon Global Fund
June 2026
“while ASML’s rerating has been muted, despite the rising importance of EUV in DRAM.”
Read the letterLam Research
MentionedBlue Whale Growth Fund
June 2026
“Lam is a supplier of semiconductor manufacturing equipment, focused on meeting the industry’s escalating demands.”
Read the letterLam Research
MentionedRoyal London AM Royal London US Equity Trust
June 2026
“Not holding Lam Research and KLA Corp had a negative effect on relative returns.”
Read the letterLam Research
MentionedRoyal London AM US Equity Fund (IRL)
June 2026
“Not holding Lam Research and KLA Corp had a negative effect on relative returns.”
Read the letterLam Research
MentionedRoyal London AM Global Equity Diversified Fund (IRL)
June 2026
“Not holding LAM Research, ASML or KLA Corp hit relative returns.”
Read the letterLam Research
MentionedDeep Sail Capital Partners
June 2026
“Tier-1 customers such as Applied Materials, Honeywell, Lam Research, and Raytheon.”
Read the letterLam Research

Fund coverage · 11 theses

ACATIS
July 2026
Lam Research is a picks-and-shovels supplier to chip-factory capacity expansion and benefits from the AI boom.
Read the full thesis
Guinness Global Innovators Fund
July 2026
Lam Research is supported by accelerating memory demand, resilient China revenues, and a growing high-margin services business.
Read the full thesis
Blue Whale Growth Fund
June 2026
Lam Research supplies critical semiconductor equipment positioned to benefit from rising demand driven by AI, HPC and 5G.
Read the full thesis
Baron Technology ETF
March 2026
Lam Research Corporation is a leading deposition and etch provider leveraged to rising layer counts, dominant HBM share, and a recovering NAND capex cycle.
Read the full thesis
Polen Focus Growth
March 2026
Lam Research is a semiconductor equipment supplier with high switching costs, stable share, margin expansion, and AI-driven demand visibility.
Read the full thesis
Baron Durable Advantage Fund
March 2026
Lam Research is a leading semiconductor equipment supplier with strong switching costs, recurring revenue, and AI-driven secular tailwinds.
Read the full thesis
Baron Opportunity Fund
March 2026
Lam Research is a wafer fabrication equipment leader with AI-driven layer-count tailwinds, switching costs, and recurring revenue.
Read the full thesis
Guinness Global Innovators
December 2025
Lam Research Corp is a leading semiconductor equipment maker benefiting from AI-driven capex with strong margins, a sticky services business, and a durable competitive moat.
Read the full thesis
Heartland Mid Cap Value Fund
September 2025
Lam is well-positioned to capitalize on the structurally profitable SemiCap industry, leveraging its dominance in the Etch market and strong relationships with Memory customers to gain market share amid a recent upcycle.
Read the full thesis
Artisan Global Opportunities Strategy
June 2025
Lam Research is a leading semiconductor equipment vendor poised to gain market share as the industry undergoes an equipment upgrade cycle and spending on NAND memory is set to recover.
Read the full thesis
Vltava fund
December 2024
Lam Research is a leading wafer fabrication equipment manufacturer for the semiconductor industry with strong profitability and effective capital allocation through share buybacks.
Read the full thesis

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