Lam Research Corporation LRCX
Latest 10-Q
What changed in Lam Research Corporation's latest quarterly report, compared with the one before.
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Insider trades
Open-market trades from Form 4. 10b5-1 marks a plan set in advance.Open-market buys and sales by officers, directors and 10% owners, from SEC Form 4. A plan set in advance is marked 10b5-1.
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13F holders
Funds that report this stock, checked against market prices.Fund managers with over $100 million in US-listed stocks file a 13F each quarter, up to 45 days after quarter end. Long positions only.
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Trades by members of Congress
Disclosed in dollar ranges, up to 45 days after the trade.Members of Congress, their spouses and dependent children report trades in dollar ranges, up to 45 days after the trade.
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Executive-branch trades
15 tradesTrades in Lam Research Corporation reported by the President, Cabinet members and other senior executive-branch officials. Amounts are ranges.Form 278-T is the periodic transaction report that senior executive-branch officials file with the Office of Government Ethics. They must report each trade over $1,000 within 30 days of being notified of it, and no later than 45 days after the trade. Amounts are ranges, not exact figures.
| The form has no ticker column. The asset is shown as the filer wrote it. We add a ticker link only when we could match the asset to a listed company. | The form asks for a range, such as $1,001 - $15,000, not an exact amount. A line can be left blank when the filer's note says the amount was not more than $1,000. | Report | ||||
|---|---|---|---|---|---|---|
| Markwayne Mullin Secretary, Department of Homeland Security | LAM Resh Corp Com New (LRCX) | Sale | Jun 10, 2026 | $250,001 - $500,000 | Jun 24, 2026 | OGE Form 278-T ↗ |
| Donald J Trump President of the United States | LAM RESH CORP read from scan | Sale | Apr 28, 2026 | $1,001 - $15,000 | Jun 25, 2026 | White House report ↗ |
| Donald J Trump President of the United States | LAM RESEARCH CORP read from scan | Purchase | Apr 15, 2026 | $15,001 - $50,000 | Jun 25, 2026 | White House report ↗ |
| Donald J Trump President of the United States | LAM RESEARCH CORP read from scan | Sale | Apr 9, 2026 | $250,001 - $500,000 | Jun 25, 2026 | White House report ↗ |
| Donald J Trump President of the United States | LAM RESEARCH CORP UNSOLICITED read from scan | Purchase | Mar 25, 2026 | $15,001 - $50,000 | May 8, 2026 | White House report ↗ |
Lobbying
What Lam Research Corporation and its lobbying firms report each quarter.A company that lobbies with its own staff reports its expenses; a lobbying firm it hires reports the income it received. We count both.
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Lobbying and contracts
$320.0K · — in 12 moWhat Lam Research Corporation reported spending on lobbying next to the federal contracts it was awarded, by year.Lobbying: each report counts once. If a report was amended, only the newest version counts. Totals use the company's own report when it files one (it includes payments to hired firms); otherwise the hired firms' reported income. Registrations and reports with no amount are not counted. A firm that hands part of its work to another firm may report the same money as that other firm does; the filings do not allow us to tell. Contracts: each award is counted once, for the company that received it (or its listed parent when only the parent is matched), in the year of its first obligation. The amount is the total obligated to date, so a later increase is counted in the year the award began. Only awards of $1 million or more are collected. Agencies: the offices named on lobbying reports and the awarding agencies of contracts are matched to one department name (the Army, Navy and Air Force count as the Department of Defense; NIH, FDA and CMS as Health and Human Services). An agency is listed under both when the company lobbied it and was awarded a contract by it in the same period. Offices outside this list, and Congress, are not counted as agencies.
Lobbying Federal contractsBoth bars use one dollar scale.
| Gifts by the company's PAC to candidates for Congress. They come from donations to the PAC, not from the company's own funds. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2026 (year to date) | $240.0K | 8 | Science and technology, Defense, Trade | Commerce, State, Executive Office of the President | — | — | — | — | — |
| 2025 | $320.0K | 10 | Science and technology, Defense, Trade | Commerce, State, Executive Office of the President | — | — | — | — | — |
| 2024 | $80.0K | 2 | Defense, Science and technology, Trade | — | — | — | — | — | — |
Agencies both lobbied and awarding contracts
No agency appears on both sides in the last 12 months.
Lobbying and contract awards are reported separately; showing them together does not mean one caused the other.
H-1B labor applications at Lam Research Corporation
233 certified in 12 moLabor condition applications decided by the Department of Labor, matched to Lam Research Corporation by employer name. An application is not a hire.
Median yearly wage offered, full-time certified applications, Jul 2025 to Jun 2026: $138,258The wage the employer offered, as filed, with its unit. The yearly figure restates it per year (hourly x 2,080, weekly x 52, every two weeks x 26, monthly x 12) from the low end of the offered range. It is not what the worker was paid.
| Quarter | Certified | All decided | Workers asked for |
|---|---|---|---|
| 2024 Q3 | 49 | 49 | 49 |
| 2024 Q4 | 39 | 39 | 39 |
| 2025 Q1 | 35 | 35 | 35 |
| 2025 Q2 | 144 | 146 | 144 |
| 2025 Q3 | 21 | 22 | 21 |
| 2025 Q4 | 28 | 31 | 28 |
| 2026 Q1 | 17 | 18 | 17 |
| 2026 Q2 | 167 | 171 | 174 |
| Process Engineer | 66 | $136,979 |
| Product Engineer | 27 | $138,258 |
| Field Service Engineer | 14 | $89,731 |
| Field Process Engineer | 13 | $112,715 |
| Mechanical Engineer | 12 | $124,426 |
We match the employer's name to a public company automatically, including a reviewed list of subsidiaries. A subsidiary can be missed and a similar name can be matched wrongly. The files carry no worker names.
Part of themes
Themes on 13F.ai that include LRCX, and why.
- AI chipsEquipmentEtch and deposition equipment for chipmaking
A theme lists companies with something in common under a published rule. It is not a recommendation.
Institutional ownership over time
How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.
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More filings and data
Each opens the table.
About the company
The basics from the company’s SEC registration.
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Adjusted for stock splits; not for dividends. Where prices come from.
Live chart
Intraday and historical prices from TradingView. Quotes may be delayed.
Information, not investment advice. Company matching is automatic; check the source before relying on one row.