Investors Update Holdings in Lam Research Corporation

Several institutional investors disclosed position changes in LRCX in recent filings. Conning Inc. raised its stake to $5.82 million, adding to prior holdings, while Atria Investments Inc. trimmed its position by 9.6% as part of a broader portfolio rebalancing. The diverging moves reflect mixed near-term sentiment on semiconductor equipment names heading into a pivotal wafer fabrication equipment spending cycle.

LRCX shares fell 6.28% on May 15, 2026, compounding a difficult stretch for the semiconductor equipment sector amid uncertainty over advanced node investment pacing at major foundries. Despite individual fund exits, the broader institutional picture remains constructive: 104 hedge fund portfolios held LRCX at the end of Q4, up from 93 in the prior quarter, suggesting net accumulation at the institutional level.

Lam Research's core business — etch and deposition tools essential for advanced NAND and logic chip manufacturing — keeps it closely tied to capital spending decisions by TSMC, Samsung, and INTC. Position adjustments by smaller wealth managers like Atria likely reflect sector rotation or risk-reduction rather than a fundamental thesis change on the company's long-term equipment franchise.

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