Equity · Technology
LRCX
NASDAQLam Research (LRCX)
The line runs 297 USD on 3 August through 239.16 USD on 30 October, on a scale from 200 to 350. Days the market did not trade hold the previous close, flat.
- Market cap
- 298.7B USD
- P/E (TTM)
- 35.6
- Revenue, year to Jun 2026
- 23.2B USD
- EPS, diluted, year to Jun 2026
- 5.76 USD
- 52-week range
- 139.68 USD – 432.10 USD
- Avg volume
- 442.8K
- Mentions, 30 days
- 188
- Net sentiment
- +0.05
as of Oct 30, 2026
Have Lam Research (LRCX) insiders bought or sold shares recently?
In the 90 days to 31 Oct 2026, Lam Research insiders reported 6 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 3 Feb 2026, show no open-market purchase.
Form 4, 90 days to 31 Oct 2026, newest reported trade 23 Oct 2026
Buys 0Sells 6Net sold $47.63MOther filings 5
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 23 Oct 2026 | ARCHER TIMOTHYPresident and CEO | Sell | 31,400 | 7.1M USD |
| 09 Sep 2026 | ARCHER TIMOTHYPresident and CEO | Sell | 30,000 | 9.6M USD |
| 09 Sep 2026 | Mayer BethanyDirector | Sell | 9,557 | 3.0M USD |
| 02 Sep 2026 | Varadarajan SeshasayeeSenior Vice President | Sell | 59,750 | 17.4M USD |
| 31 Aug 2026 | Harter AvaChief Legal Officer | Sell | 5,000 | 1.5M USD |
| 06 Aug 2026 | ARCHER TIMOTHYPresident and CEO | Sell | 30,000 | 9.0M USD |
| Sold | 6 open-market sales | 165,707 | $47.63M |
5 other filings in the window: grants, exercises, tax withholding and transfers, not trades
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 23 Oct 2026 | ARCHER TIMOTHYPresident and CEO | Option exercise | 31,400 | 943K USD |
| 09 Sep 2026 | ARCHER TIMOTHYPresident and CEO | Option exercise | 30,000 | 901K USD |
| 02 Sep 2026 | Varadarajan SeshasayeeSenior Vice President | Option exercise | 39,750 | 1.6M USD |
| 06 Aug 2026 | ARCHER TIMOTHYPresident and CEO | Option exercise | 30,000 | 901K USD |
| 05 Aug 2026 | Harter AvaChief Legal Officer | Tax withheld | 5,790 | 1.8M USD |
Which funds hold Lam Research (LRCX)?
20 of the 45 institutional funds we track reported a Lam Research position for the quarter ended 30 Jun 2026 — a combined 9.8B USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| Coatue Management | Held (±25%) | 9,441,603 | 4.1B USD | −6.0% |
| AQR Capital Management | Held (±25%) | 3,485,364 | 1.5B USD | +1.0% |
| Tiger Global Management | Held (±25%) | 3,163,495 | 1.4B USD | −18.9% |
| Citadel Advisors | Added | 1,420,975 | 615.8M USD | +27.5% |
| Bridgewater Associates | Trimmed | 938,224 | 406.6M USD | −40.3% |
| Man Group | Trimmed | 777,269 | 336.8M USD | −34.6% |
| Whale Rock Capital Management | Held (±25%) | 742,638 | 321.8M USD | −22.5% |
| Millennium Management | Trimmed | 696,499 | 301.8M USD | −56.2% |
| Altimeter Capital Management | New position | 394,080 | 170.8M USD | |
| Appaloosa | Held (±25%) | 382,500 | 165.7M USD |
Showing the 10 largest of 20 reported positions. The figures above count all of them.
Have members of Congress traded Lam Research (LRCX)?
The most recent congressional trade disclosed in Lam Research is a purchase by David J. Taylor (house, OH), dated 15 Oct 2026.
STOCK Act disclosures
| Traded | Member | Type | Amount | Filed after |
|---|---|---|---|---|
| 15 Oct 2026 | David J. Taylorhouse · Republican–OH | Purchase | 1K USD–15K USD | 14 days |
| 27 Apr 2026 | David J. Taylorhouse · Republican–OH | Sale | 1K USD–15K USD | 10 days |
| 12 Mar 2026 | David J. Taylorhouse · Republican–OH | Purchase | 1K USD–15K USD | 8 days |
| 26 Feb 2026 | David J. Taylorhouse · Republican–OH | Sale | 1K USD–15K USD | 8 days |
| 03 Feb 2026 | Cleo Fieldshouse · Democrat–LA | Purchase | 15K USD–50K USD | 21 days |
| 16 Jan 2026 | David J. Taylorhouse · Republican–OH | Sale | 1K USD–15K USD | 17 days |
| 08 Jan 2026 | David J. Taylorhouse · Republican–OH | Sale | 15K USD–50K USD | 13 days |
| 23 Sep 2025 | Val T. Hoylehouse · Democrat–OR | Sale | 1K USD–15K USD | 17 days |
What has been filed or recorded for Lam Research (LRCX)?
The filings we hold for Lam Research, newest first: 7 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 09 Oct 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 09 Oct 2026 | Fails to deliver | Shares failed to deliver | 910 shares | 292K USD notional · <0.001% of shares out |
| 08 Oct 2026 | Fails to deliver | Shares failed to deliver | 363 shares | 120K USD notional · <0.001% of shares out |
| 07 Oct 2026 | Fails to deliver | Shares failed to deliver | 646 shares | 216K USD notional · <0.001% of shares out |
| 05 Oct 2026 | Fails to deliver | Shares failed to deliver | 1,140 shares | 396K USD notional · <0.001% of shares out |
| 28 Sep 2026 | Fails to deliver | Shares failed to deliver | 1,208 shares | 381K USD notional · <0.001% of shares out |
| 27 Sep 2026 | Quarterly earnings | Q1 2027 reported | EPS 2.19 USD | |
| 27 Sep 2026 | Financials | Total assets | 26.4B USD | at period end |
| 27 Sep 2026 | Financials | Total equity | 13.9B USD | at period end |
| 23 Sep 2026 | Fails to deliver | Shares failed to deliver | 13,915 shares | 4.3M USD notional · 0.001% of shares out |
| 22 Sep 2026 | Fails to deliver | Shares failed to deliver | 3,005 shares | 908K USD notional · <0.001% of shares out |
| 28 Jun 2026 | Annual report | FY 2026 reported | EPS 5.76 USD | |
| 28 Jun 2026 | Financials | Revenue | 23.2B USD | fiscal year |
| 28 Jun 2026 | Financials | Net income | 7.3B USD | fiscal year |
| 28 Jun 2026 | Financials | Diluted EPS | 5.76 USD | fiscal year |
| 29 Mar 2026 | Quarterly earnings | Q3 2026 reported | EPS 1.45 USD | |
| 28 Dec 2025 | Quarterly earnings | Q2 2026 reported | EPS 1.26 USD | |
| 28 Sep 2025 | Quarterly earnings | Q1 2026 reported | EPS 1.24 USD | |
| 29 Jun 2025 | Annual report | FY 2025 reported | EPS 4.15 USD | |
| 30 Mar 2025 | Quarterly earnings | Q3 2025 reported | EPS 1.03 USD | |
| 29 Dec 2024 | Quarterly earnings | Q2 2025 reported | EPS 0.92 USD |
What is Reddit saying about Lam Research (LRCX)?
Reddit mentioned LRCX 188 times in the 30 days to 31 October 2026, across 4 of the communities we track. All of them were scored for sentiment: 60% read bullish, 17% bearish and 23% neither. Reddit data updated 31 October 2026.
30-day window, Method
Mentions, 30 days 188Bullish 60%Bearish 17%Communities 4Against the market +6 points
How do Reddit mentions of Lam Research (LRCX) compare with its price?
Share ↗
Is the Reddit crowd more bullish on Lam Research than on the market?
LRCX reads 82% bullish, 29 points above the market (53%). Over 90 days the gap has run from -17 to +46 points.
- LRCX
- 82%
- bullish, 31 Oct
- Market
- 53%
- bullish, all Reddit, 31 Oct
- Gap
- +29 pts
- LRCX against market
Where Lam Research (LRCX) is discussed
30 days
| Community | Share | Mentions | Net sentiment |
|---|---|---|---|
| r/wallstreetbets | 88% | 165 | +0.04 |
| r/stocks | 7% | 13 | +0.13 |
| r/investing | 5% | 9 | +0.06 |
| r/etfs | 1% | 1 | +0.12 |
Moves with Lam Research (LRCX)
Tickers whose daily Reddit volume rose and fell with Lam Research (LRCX)'s. Co-discussion, not price.
IBM +0.95QS +0.85SES +0.85META +0.84WEBN +0.80ASX: CSL +0.79
How closely daily Reddit mention counts rose and fell together over the last 30 days (31 daily observations), Method
Lam Research (LRCX): frequently asked questions
What did Lam Research shares close at?
Lam Research closed at 239.16 USD on 30 Oct 2026, down 3.73% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is Lam Research’s market cap?
Lam Research is worth 298.7B USD by market value as of 30 Oct 2026, which is the share price times the shares on issue from its SEC filings.
What is Lam Research’s P/E ratio?
Lam Research has a price-to-earnings ratio of 35.6, as of 30 Oct 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.
What is Lam Research’s revenue?
Lam Research reported revenue of 23.2B USD for the year ended 28 Jun 2026, as filed with the SEC. See Filings
Have Lam Research insiders bought or sold shares recently?
In the 90 days to 31 Oct 2026, Lam Research insiders reported 6 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 3 Feb 2026, show no open-market purchase. A further 5 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders
Which funds own Lam Research?
20 of the 45 funds we track reported a Lam Research position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were Coatue Management, AQR Capital Management and Tiger Global Management. See Funds
Have members of Congress traded Lam Research?
Yes. 36 trades in Lam Research appear in the congressional disclosures we hold; the latest is a purchase by David J. Taylor (House, OH) dated 15 Oct 2026, filed 29 Oct 2026. Amounts are disclosed as ranges, and a filing can follow the trade by up to 45 days. See Congress
When did Lam Research last report earnings?
Lam Research last reported earnings on 27 Sep 2026 for Q1 2027, with EPS of 2.19 USD; no next date is announced in SEC filings yet. See Filings
What is Reddit saying about Lam Research?
Lam Research was mentioned 17 times in the last 7 days across the finance subreddits we track, and 188 times over the trailing 30 days. Of the 188 mentions scored for sentiment, 60% read bullish and 17% bearish. That is a social signal, not investment advice. See Reddit
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), most closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- House disclosuresU.S. House of Representatives financial disclosures
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARXBRL company facts, latest period ended 27 Sep 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings