Why Lam Research (LRCX) Stock Is Down Today

Lam Research (LRCX) is down 3.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver appears to be a broader semiconductor-equipment selloff rather than a new Lam-specific problem. This could be because investors are turning more cautious on AI-related chip names ahead of key industry earnings this week, while Lam has not posted a fresh negative corporate update alongside the move.

Details:

Lam’s latest investor-relations update was a September 30 announcement scheduling its next quarterly financial conference call for October 21, which does not point to a new company-specific setback.

Lam’s most recent quarterly release showed record June-quarter revenue, operating margin, and earnings per share, with guidance for another strong quarter, making today’s decline look more like sentiment-driven pressure than a reversal tied to reported results.

Semiconductor and chip-equipment shares have been under pressure more broadly on October 13 as investors reassess AI trade valuations and brace for important industry readouts from major supply-chain companies.

Lam is closely tied to wafer-fab spending cycles, so when investors reduce exposure to semiconductor capital-equipment names as a group, LRCX often moves lower with peers even without company-specific news.

Sources:

Lam Research Investor Relations, SEC, Reuters

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$LRCX Insider Trading Activity

$LRCX insiders have traded $LRCX stock on the open market 55 times in the past 6 months. Of those trades, 0 have been purchases and 55 have been sales.

Here’s a breakdown of recent trading of $LRCX stock by insiders over the last 6 months:

ERIC BRANDT has made 0 purchases and 43 sales selling 109,000 shares for an estimated $39,129,705.
TIMOTHY ARCHER (President and CEO) has made 0 purchases and 3 sales selling 90,000 shares for an estimated $30,278,100.
SESHASAYEE VARADARAJAN (Senior Vice President) has made 0 purchases and 3 sales selling 59,750 shares for an estimated $17,406,370.
NEIL J FERNANDES (Senior Vice President) has made 0 purchases and 2 sales selling 25,829 shares for an estimated $7,007,120.
ABHIJIT Y TALWALKAR sold 18,282 shares for an estimated $6,124,470
AVA HARTER (Chief Legal Officer) has made 0 purchases and 2 sales selling 11,010 shares for an estimated $3,066,846.
BETHANY MAYER sold 9,557 shares for an estimated $3,007,970

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$LRCX Hedge Fund Activity

We have seen 1,610 institutional investors add shares of $LRCX stock to their portfolio, and 1,239 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

JPMORGAN CHASE & CO added 45,317,479 shares (+inf%) to their portfolio in Q2 2026, for an estimated $19,637,423,175
INVESCO LTD. added 28,064,410 shares (+115.7%) to their portfolio in Q2 2026, for an estimated $12,161,150,785
PRICE T ROWE ASSOCIATES INC /MD/ added 11,356,938 shares (+85.8%) to their portfolio in Q2 2026, for an estimated $4,921,301,943
VAN ECK ASSOCIATES CORP added 8,922,854 shares (+411.8%) to their portfolio in Q2 2026, for an estimated $3,866,540,323
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 7,698,872 shares (+inf%) to their portfolio in Q2 2026, for an estimated $3,336,152,203
ARTISAN PARTNERS LIMITED PARTNERSHIP removed 4,243,428 shares (-84.4%) from their portfolio in Q2 2026, for an estimated $1,838,804,655
AMERIPRISE FINANCIAL INC removed 3,453,224 shares (-16.6%) from their portfolio in Q2 2026, for an estimated $1,496,385,555

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$LRCX Congressional Stock Trading

Members of Congress have traded $LRCX stock 4 times in the past 6 months. Of those trades, 0 have been purchases and 4 have been sales.

Here’s a breakdown of recent trading of $LRCX stock by members of Congress over the last 6 months:

SENATOR SHELDON WHITEHOUSE sold up to $15,000 on 08/13.
REPRESENTATIVE DAVID TAYLOR has traded it 3 times. They made 0 purchases and 3 sales worth up to $45,000 on 06/05, 04/27.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$LRCX Price Targets

Multiple analysts have issued price targets for $LRCX recently. We have seen 18 analysts offer price targets for $LRCX in the last 6 months, with a median target of $387.5.

Here are some recent targets:

Vijay Rakesh from Mizuho set a target price of $400.0 on 07/09/2026
Krish Sankar from TD Cowen set a target price of $400.0 on 07/09/2026
Shane Brett from Morgan Stanley set a target price of $404.0 on 07/06/2026
Mehdi Hosseini from Susquehanna set a target price of $475.0 on 06/30/2026
C.J. Muse from Cantor Fitzgerald set a target price of $500.0 on 06/29/2026
Vivek Arya from B of A Securities set a target price of $480.0 on 06/23/2026
Joe Quatrochi from Wells Fargo set a target price of $450.0 on 06/22/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.