Lam Research (LRCX)
Across 88 earnings reports since Oct 13, 2004, Lam Research (LRCX) has a clear post-earnings pattern. It moves ±4.93% on average after reporting and finishes higher 59.1% of the time. Its largest post-earnings gain was +18.06% (Jul 29, 2026) and its largest decline was -14.61% (Jan 17, 2007). The next earnings report is predicted for 2027-01-28 (estimated).
Earnings reactions
How LRCX moved on each past earnings report.
Earnings Impact
Total Earnings
88
Avg Abs. Movement
±4.93%
Positive %
59.1%
Negative %
40.9%
Historical Earnings Statistics
| Date | Timing | Earnings move | SEC Filing |
|---|---|---|---|
| Oct 21, 2026 | ☽ POST | -11.9% | open_in_new |
| Jul 29, 2026 | ☽ POST | +18.06% | open_in_new |
| Apr 22, 2026 | ☽ POST | -2.63% | open_in_new |
| Jan 28, 2026 | ☽ POST | +3.59% | open_in_new |
Earnings Count
88
Total earnings in dataset
Avg Abs. Movement
±4.93%
Avg % price change on earnings
Institutional ownership
Holdings as of Sep 30, 2026 · SEC 13-F
SEC Filing Types
Recent SEC Filings
10 most recent| Form | Date Filed | View on EDGAR |
|---|---|---|
| 10-Q | 20261022 | open_in_new SEC.gov |
| 8-K | 20261021 | open_in_new SEC.gov |
| ARS | 20260924 | open_in_new SEC.gov |
| DEF 14A | 20260924 | open_in_new SEC.gov |
| DEFA14A | 20260924 | open_in_new SEC.gov |
| 4 | 20260910 | open_in_new SEC.gov |
| 4 | 20260910 | open_in_new SEC.gov |
| 144 | 20260909 | open_in_new SEC.gov |
| 144 | 20260909 | open_in_new SEC.gov |
| 4 | 20260903 | open_in_new SEC.gov |
Frequently asked about LRCX earnings
When does Lam Research report earnings next? expand_more
Lam Research (LRCX)'s next earnings date is estimated for 2027-01-28. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.
How much does LRCX stock move after earnings? expand_more
Over 88 reports, LRCX has moved an average of ±4.93% the session after earnings, closing higher 59.1% of the time.
What was LRCX's biggest post-earnings move? expand_more
LRCX's largest post-earnings gain on record was +18.06% on Jul 29, 2026, and its largest decline was -14.61% on Jan 17, 2007.
Where can I find Lam Research's SEC filings? expand_more
All of Lam Research's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.
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