---
schema_version: "secwatch.filing_event.v1"
accession: "0000707549-23-000112"
form_type: "8-K"
ticker: "LRCX"
cik: "0000707549"
company_name: "LAM RESEARCH CORP"
filed_at: "2023-10-18T23:59:59+00:00"
generated_at: "2026-06-09T22:09:58.001417+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Lam Research Q1 fiscal 2024 revenue $3.48B, EPS $6.66; guides Dec Q revenue ~$3.7B

## Summary
- Revenue $3.48B (+8.6% Q/Q); GAAP EPS $6.66, non-GAAP EPS $6.85.
- Non-GAAP gross margin 47.9% (+220 bps Q/Q); operating margin 30.1%.
- China represented 48% of revenue; systems revenue $2.06B, customer support $1.43B.
- Guidance for Dec 2023 quarter: revenue ~$3.7B ±$300M, non-GAAP diluted EPS $7.00 ±$0.75.
- Generated $951M operating cash; repurchased $843M shares, paid $230M dividends.

## SEC filing metadata
- accession: 0000707549-23-000112
- form_type: 8-K
- ticker: LRCX
- cik: 0000707549
- company_name: LAM RESEARCH CORP
- filed_at: 2023-10-18T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/707549/000070754923000112/0000707549-23-000112-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/707549/000070754923000112/lrcx-20231018.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000707549-23-000112
- JSON: https://secwatch.observer/filing/0000707549-23-000112.json
- Plain text: https://secwatch.observer/filing/0000707549-23-000112.txt

## Key facts
- Earnings Releases
  LAM RESEARCH CORP reported quarter ended September 24, 2023 results: revenue $3.48 billion, net income $887 million, EPS $6.66.
  - Period: quarter ended September 24, 2023
  - Revenue: $3.48 billion
  - Net income: $887 million
  - EPS: $6.66
  - Result: reported results
  source text: Lam Research Corporation Reports Financial Results for the Quarter Ended September 24, 2023 FREMONT, Calif., October 18, 2023 - Lam Research Corporation (the "Company," "Lam," "Lam Research") today announced financial results for the quarter ended September 24, 2023 (the "September 2023 quarter"). Highlights for the September 2023 quarter were as follows: • Revenue of $3.48 billion. • U.S. GAAP gross margin of 47.5%, U.S. GAAP operating income as a percentage of revenue of 29.4%, and U.S. GAAP diluted EPS of $6.66.
  evidence_url: https://www.sec.gov/Archives/edgar/data/707549/000070754923000112/0000707549-23-000112-index.htm
- Earnings Releases
  LAM RESEARCH CORP reported quarter ended December 24, 2023 results: revenue $3.7 Billion +/- $300 Million, EPS $6.78 +/- $0.75.
  - Period: quarter ended December 24, 2023
  - Revenue: $3.7 Billion +/- $300 Million
  - EPS: $6.78 +/- $0.75
  - Result: guidance update
  source text: Outlook For the quarter ended December 24, 2023, Lam is providing the following guidance: U.S. GAAP Reconciling Items Non-GAAP Revenue $3.7 Billion +/- $300 Million — $3.7 Billion +/- $300 Million Gross margin as a percentage of revenue 46.5% +/- 1% $ 17 Million 47.0% +/- 1% Operating income as a percentage of revenue 28.6% +/- 1% $ 32 Million 29.5% +/- 1% Net income per diluted share $6.78 +/- $0.75 $ 29 Million $7.00 +/- $0.75 Diluted share count 132 Million — 132 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/707549/000070754923000112/0000707549-23-000112-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.