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Lam Research Corporation (LRCX) SEC Filings & Earnings Calls

EquiReason read 13 Lam Research Corporation SEC filings in the last 12 months. Latest: 10-Q on 2026-10-22 — Lam Research reported Q1 FY2027 revenue of $8.22B, up 54% YoY and 22% QoQ, with gross margin expanding to 52.3% and EPS of $2.19, driven by strong AI-related demand across memory a.

Source: SEC EDGAR filings · figures as of 2026-09-27 · read by EquiReason

LRCXLam Research CorporationFollow LRCX — free
Semiconductor Equipment & Materials · Technology
—
Price chart with a free account
Market cap
287.4B
P/E TTM
34.3
Dividend yield
0.5%
52-week
—
Next earnings
26 Jan, in 94 days

Every filing, read

last 12 months · SEC

What happened, the numbers inside, guidance and risks. The original is one click away.

22 Oct 202610-QLam Research reported Q1 FY2027 revenue of $8.22B, up 54% YoY and 22% QoQ, with gross margin expanding to 52.3% and EPS of $2.19, driven by strong AI-related demand across memory and foundry segments.earningsopen

Figures in the filing · each found in the filing text

Revenue · Q1-2027$8.22B+54% y/y
Gross margin · Q1-202752.3%
Net income · Q1-2027$2.75B+76% y/y
Diluted net income per share · Q1-2027$2.19
Operating cash flow · Q1-2027$3.50B+97% y/y
Systems revenue · Systems · Q1-2027$5.73B+62% y/y
Customer support-related revenue and other · Customer Support and Other · Q1-2027$2.49B+40% y/y
Deferred revenue · Q1-2027$2.66B
Cash and cash equivalents · Q1-2027$7.44B
Capital expenditures and intangible assets · Q1-2027$258M+39% y/y

Risks flagged

China export control risk

“Revenue in China, which includes global customers and domestic Chinese customers with manufacturing facilities in China, represented approximately 35%, 34%, and 34% of our total revenue for the three months ended September 27, 2026 and fiscal years 2026 and 2025, respectively.” · word for word

Supply chain disruption risk

“Difficulties in obtaining sufficient and timely supply of parts, materials, or services, and delays in and unpredictability of shipments due to transportation interruptions, have adversely impacted, and may in the future adversely impact, our manufacturing, installation, and service operations and our ability to meet customer demand.” · word for word

Customer concentration risk

“Sales to a limited number of large customers constitute a significant portion of our overall shipments, revenue, cash flows, and profitability.” · word for word
Read the original on SEC EDGAR ↗
21 Oct 20268-K · 2.02Lam Research reports record revenue of $8.22B (+22% QoQ), GAAP EPS $2.19 (+21% QoQ), and guides Q4 revenue ~$8.6B, EPS ~$2.33. AI-driven semiconductor demand cited as key driver.earningsopen

Figures in the filing · each found in the filing text

Revenue · Q1-2027$8.22B
Gross margin (GAAP) · Q1-202752.3%
Operating margin (GAAP) · Q1-202740.0%
Diluted EPS (GAAP) · Q1-2027$2.19
Net income (GAAP) · Q1-2027$2.75B
Systems revenue · Systems · Q1-2027$5.73B
Customer support-related revenue · Customer Support · Q1-2027$2.49B
Deferred revenue · Q1-2027$2.66B
Cash and equivalents · Q1-2027$7.45B
Japan shipments (future revenue) · Japan · Q1-2027$468M

Guidance

Q2-2027 revenue guided to $8.60B +/- $400M (vs Q1 $8.22B); GAAP gross margin 52.5% +/- 1%; operating margin 40.5% +/- 1%; diluted EPS $2.33 +/- $0.15

Lam raised guidance for Q2-2027 with revenue, margin, and EPS all expected to increase QoQ, driven by AI demand.

Risks flagged

Geopolitical and trade risks, including export controls and tariffs, could impact sales

“Trade regulations, export controls, tariffs, trade disputes may inhibit ability to sell products”

Supply chain disruptions or capacity constraints may limit manufacturing

“Supply chain disruptions or manufacturing capacity constraints may limit ability to manufacture and sell”

Customer concentration in China (35% of revenue) poses geopolitical risk

“China 35% of revenue”
Read the original on SEC EDGAR ↗
24 Sep 2026DEF 14AProxy statement filed for annual meeting; no material event.open

Figures in the filing · each found in the filing text

Revenue · CY2025$20.60B+27% y/y
Operating Cash Flow · CY2025$7.10B
Non-GAAP Operating Margin · FY202635.8%
Dividends Paid · CY2025$1.20B
Read the original on SEC EDGAR ↗
27 Aug 20268-K · 5.02Item 5.02 filing regarding departure of directors or certain officers;open

Risks flagged

Potential leadership instability due to director departure.

“Director departure disclosed without context.”
Read the original on SEC EDGAR ↗
7 Aug 202610-KAnnual report filed with full financial statements; no earnings beat or miss indicated.earningsopen

Figures in the filing · each found in the filing text

Non-U.S. sales as % of total revenue · FY202693.0%

Risks flagged

Export control and tariff risk

“Tariffs, export controls, additional taxes, trade barriers, sanctions, the termination or modification of trade agreements, trade zones, and other duty mitigation initiatives, and any reciprocal retaliatory actions, can increase our manufacturing costs, decrease margins, reduce the competitiveness of our products, disrupt our supply chain operations, or inhi” · word for word

Geopolitical conflict risk

“the conflict that began in February 2026 between the United States, Israel, a number of states in the Persian Gulf, and Iran has led to significant regional instability and disruption in the Middle East, including the closure of or restrictions on the Strait of Hormuz, threatened or actual attacks on vessels in the Red Sea, and threatened or actual attacks o” · word for word

Customer concentration risk

“Sales to a limited number of large customers constitute a significant portion of our overall shipments, revenue, cash flows, and profitability.” · word for word
Read the original on SEC EDGAR ↗
29 Jul 20268-K · 2.02Revenue $6.72B; Non-GAAP Gross Margin % 52; Non-GAAP Operating Margin % 38.4; Guidance: Q3 revenue guidance $8.1B midpoint (+20% QoQ); EPS $2.15earningsopen

Figures in the filing · each found in the filing text

Revenue · Q2-2026$6.72B
Non-GAAP Gross Margin % · Q2-202652.0%
Non-GAAP Operating Margin % · Q2-202638.4%
Non-GAAP Diluted EPS · Q2-2026$1.82
Deferred Revenue · Q2-2026$2.43B
Q3 Revenue Guidance · Q3-2026$8.10B
Q3 Non-GAAP Diluted EPS Guidance · Q3-2026$2.15

Guidance

Q3 revenue guidance $8.1B midpoint (+20% QoQ); EPS $2.15

Record revenue and margins; strong Q3 guidance with 20% QoQ revenue growth; AI-driven demand as key catalyst.

Risks flagged

Geographic concentration: Taiwan 27%, China 26%, Korea 20% — significant exposure to Asia semiconductor cycle.

“Taiwan 27%, China 26%, Korea 20%” · word for word
Read the original on SEC EDGAR ↗
23 Apr 202610-QRevenue $5.84B (+24% y/y); Net income $1.83B (+37% y/y); Operating cash flow $4.40B (+22% y/y); Guidance: Revenue +9% QoQ; Management believes there will be continued growth in 2026 with the AI market driving higher semiconductor industry sopen

Figures in the filing · each found in the filing text

Revenue · Q3-2026$5.84B+24% y/y
Net income · Q3-2026$1.83B+37% y/y
Operating cash flow · 9M-2026$4.40B+22% y/y
Gross margin · Q3-2026$2.91B+26% y/y
Systems revenue · Systems · Q3-2026$3.73B+23% y/y
Customer support-related revenue · Customer Support · Q3-2026$2.11B+25% y/y
China revenue · China · Q3-2026$2.00B+36% y/y
Korea revenue · Korea · Q3-2026$1.35B+18% y/y
Taiwan revenue · Taiwan · Q3-2026$1.32B+17% y/y
Foundry revenue % · Foundry · Q3-202654.0%

Guidance

Revenue +9% QoQ; Management believes there will be continued growth in 2026 with the AI market driving higher semiconductor industry spending

Strong QoQ revenue growth and positive outlook for 2026 driven by AI. Gross margin expanding. Management tone is confident.

Risks flagged

China Export Control Risk

“In the short term, volatility in the semiconductor industry environment from trade restrictions, tariffs, as well as other direct and indirect risks and uncertainties discussed in Part II, Item 1A, "Risk Factors," have had, and in the future may have, a negative impact on our revenue and operating margin.” · word for word

Geopolitical Conflict Risk

“The conflict that began in February 2026 between the United States, Israel, a number of states in the Persian Gulf, and Iran has led to significant regional instability and disruption in the Middle East, including the closure of or restrictions on the Strait of Hormuz and attacks on transportation and energy infrastructure, which has significantly and advers” · word for word

Supply Chain Disruption

“Demand for electronic products and other factors have resulted in, and may in the future result in, a shortage of parts, materials and services needed to manufacture, deliver and install our products, as well as delays in and unpredictability of shipments due to transportation interruptions.” · word for word
Read the original on SEC EDGAR ↗
22 Apr 20268-K · 2.02Revenue $5.84B; Non-GAAP diluted EPS $1.47; Non-GAAP gross margin 49.9earningsopen

Figures in the filing · each found in the filing text

Revenue · Q3-2026$5.84B
Non-GAAP diluted EPS · Q3-2026$1.47
Non-GAAP gross margin · Q3-202649.9%
Non-GAAP operating margin · Q3-202635.0%
Systems revenue · Systems · Q3-2026$3.73B
Customer support-related revenue · Customer Support · Q3-2026$2.11B
Deferred revenue · Q3-2026$2.22B
Cash and cash equivalents · Q3-2026$4.77B

Risks flagged

Geographic concentration in China (34% of revenue) exposes to export control and geopolitical risks.

“Region China 34%”

Deferred revenue does not include Japan shipments; estimated future revenue from Japan shipments increased to $434M from $226M, indicating potential revenue recognition lag.

“Estimated future revenue from shipments to customers in Japan was approximately $434 million as of March 29, 2026 and $226 million as of December 28, 2025.” · word for word
Read the original on SEC EDGAR ↗
3 Feb 20268-K · 5.02Reported the departure of a director or principal officer (CEO/CFO change); filed financial statements and exhibits with this reportopen

Risks flagged

Leadership change could introduce uncertainty, but no details provided.

“Departure of a director or principal officer (CEO/CFO change).”
Read the original on SEC EDGAR ↗
29 Jan 202610-QLam Research reported Q3 FY2026 results with revenue slightly up sequentially and strong YoY growth, but gross margin declined and deferred revenue fell.earningsopen

Figures in the filing · each found in the filing text

Revenue · Q3-2026$5.34B
Net Income · Q3-2026$1.59B
Gross Margin % · Q3-202649.6%
Diluted EPS · Q3-2026$1.26
Deferred Revenue · Q3-2026$2.25B
Cash and Equivalents · Q3-2026$6.20B
Operating Cash Flow · Q3-2026$1.48B
Share Repurchases · Q3-2026$1.47B
Dividends Paid · Q3-2026$328M
Capital Expenditures · Q3-2026$261M

Risks flagged

Export Control and Tariff Risk

“volatility in the semiconductor industry environment from trade restrictions, tariffs, as well as other direct and indirect risks and uncertainties, have had, and in the future may have, a negative impact on our revenue and operating margin.” · word for word

Customer Concentration Risk

“Sales to a limited number of large customers constitute a significant portion of our overall shipments, revenue, cash flows and profitability.” · word for word

Cybersecurity Risk

“We experience cybersecurity and other threats and incidents in the course of our operations. Although past threats and incidents have not resulted in a material adverse effect, we may incur material losses related to cybersecurity or other threats or incidents in the future.” · word for word

Industry Cyclicality Risk

“The semiconductor capital equipment industry has historically been characterized by rapid changes in demand.” · word for word
Read the original on SEC EDGAR ↗
28 Jan 20268-K · 2.02Revenue $5.34B; GAAP gross margin 49.6; GAAP operating income as percentage of revenue 33.9; Guidance: Q3 2026 revenue guidance $5.7B, non-GAAP EPS $1.35.earningsopen

Figures in the filing · each found in the filing text

Revenue · Q2-2026$5.34B
GAAP gross margin · Q2-202649.6%
GAAP operating income as percentage of revenue · Q2-202633.9%
GAAP diluted EPS · Q2-2026$1.26
Non-GAAP gross margin · Q2-202649.7%
Non-GAAP operating income as percentage of revenue · Q2-202634.3%
Non-GAAP diluted EPS · Q2-2026$1.27
Deferred revenue · Q2-2026$2.25B
Revenue guidance · Q3-2026$5.70B
Non-GAAP diluted EPS guidance · Q3-2026$1.35

Guidance

Q3 2026 revenue guidance $5.7B, non-GAAP EPS $1.35.

Strong guidance raise driven by AI demand and advanced packaging.

Risks flagged

Geographic concentration: China 35% of revenue, Taiwan 20%, Korea 20%.

“China 35%, Taiwan 20%, Korea 20%.” · word for word

Deferred revenue decreased QoQ, indicating potential revenue recognition timing.

“Deferred revenue at the end of the December 2025 quarter decreased to $2.25 billion compared to $2.77 billion.” · word for word
Read the original on SEC EDGAR ↗
6 Nov 20258-K · 3.03, 5.02, 5.03, 5.07Modified the rights of security holders; reported the departure of a director or principal officer (CEO/CFO change)open

Risks flagged

Leadership change may introduce short-term uncertainty, but no financial impact quantified.

“Item 5.02 departure of director/principal officer”
Read the original on SEC EDGAR ↗
24 Oct 202510-QLam Research reported Q3 2025 results with revenue up 3% QoQ and gross margin up 30 bps QoQ, driven by Foundry investments.earningsopen

Figures in the filing · each found in the filing text

Revenue · Q3-2025$5.32B+28% y/y
Net Income · Q3-2025$1.57B
Gross Margin % · Q3-202550.4%
Deferred Revenue · Q3-2025$2.77B
Cash and Equivalents · Q3-2025$6.70B
China Revenue % · China · Q3-202543.0%
Foundry Revenue % · Foundry · Q3-202560.0%
Memory Revenue % · Memory · Q3-202534.0%

Risks flagged

Export Control and Tariff Risk

“In the short term, volatility in the semiconductor industry environment from trade restrictions, tariffs, as well as other direct and indirect risks and uncertainties, have had, and in the future may have, a negative impact on our revenue and operating margin.” · word for word

Customer Concentration Risk

“Sales to a limited number of large customers constitute a significant portion of our overall shipments, revenue, cash flows and profitability.” · word for word
Read the original on SEC EDGAR ↗

Lam Research Corporation — questions

What did Lam Research Corporation file recently?
13 SEC filings in the last 12 months. Latest: 10-Q on 2026-10-22 — Lam Research reported Q1 FY2027 revenue of $8.22B, up 54% YoY and 22% QoQ, with gross margin expanding to 52.3% and EPS of $2.19, driven by strong AI-related demand across memory and foundry segments.

Every figure on this page comes from Lam Research Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.