Lam Research Corporation (LRCX) — Earnings Preview

Company

Lam Research Corporation

Ticker

LRCX (NASDAQ)

Reporting Period

Q4 FY2026 (June 2026 Quarter)

Expected Earnings Date

Late July 2026 (announced July 8, 2026)

Prepared Date

July 28, 2026

Last Earnings Date

April 22, 2026 (Q3 FY2026)

1. Earnings Preview

Key Takeaway: Setup skews to beat on revenue — guidance was set well above prior Street expectations and consensus has moved up materially since the April print — but the stock has already given back most of its post-earnings gains, so the real swing factor is whether management can deliver a credible WFE and 2027 growth framework that re-anchors the bull case.

Heading into the June quarter print, the bar is high in absolute terms but arguably achievable: management guided revenue to $6.6B (±$400M) and EPS to $1.65 (±$0.15), both well above where consensus stood before the April earnings call, and the Street has since revised estimates up to $6.69B revenue and $1.70 EPS — sitting modestly above the guidance midpoint, implying the market expects a beat. Management's tone on the April call was emphatically bullish — WFE raised to $140B with upside bias, 2027 characterized as another year of compelling growth, and CSBG delivering its first-ever $2B+ quarter — representing a meaningful step-up in confidence from prior quarters. Estimate revisions have tracked guidance closely, with revenue and EPS both revised higher post-April, though the trajectory has been choppy given macro noise around tariffs and export controls. The stock surged ~63% from the April 22 earnings date to its June 30 peak of $433, but has since sold off sharply to ~$270 as of July 28 — a 38% drawdown — dramatically underperforming the SOXX (which is up ~14% since April 22), suggesting the market has repriced LRCX on China revenue normalization fears and broader semis multiple compression rather than any fundamental deterioration in the business. The single biggest wildcard is the updated long-term financial model that management committed to providing later in 2026 — if the June call includes even preliminary framework updates (operating margin targets, SAM expansion trajectory, 2027 WFE sizing), it could be the catalyst to re-rate the stock; if management defers again, the stock may struggle to recover its premium multiple.

2. KPIs & Consensus Expectations

Key Takeaway: Consensus sits modestly above guidance midpoints on both revenue ($6.69B vs. $6.60B guide) and EPS ($1.70 vs. $1.65 guide), implying the Street expects a beat — the bigger swing factor is gross margin, where the low-50s% guided range leaves room for upside surprise given LRCX’s recent track record of exceeding its own margin guidance.

Table 1 — Current Quarter Snapshot (Q4 FY2026 / June 2026 Quarter)

KPI

Last Quarter Actual (Q3 FY2026 / Mar-26)

Prior Year Period (Q4 FY2025 / Jun-25)

Consensus Estimate

YoY Change

Guidance (Midpoint)

Consensus vs. Guidance (%Δ)

Total Revenue ($B)

$5.84B

$5.17B

$6.69B

+29.4%

$6.60B

+1.4%

EPS — Diluted Operating ($)

$1.47

$1.33

$1.70

+27.8%

$1.65

+3.0%

Gross Margin ($B)

$2.91B

$2.59B

$3.39B

+30.9%

~50.5% of rev.

~$3.34B at guide midpoint; consensus +1.5%

CSBG Revenue ($B)

$2.11B

$1.73B

$2.15B

+24.3%

~Flat to slightly up vs. Q3

In line

Systems Revenue ($B)

$3.73B

$3.44B

$4.55B

+32.3%

Implied ~$4.45B

+2.2%

China Revenue ($B)

$1.99B (34% of rev.)

$1.81B (35% of rev.)

$1.84B

+1.7%

Decline from Q3 levels (<30% of rev.)

In line

Operating Income — Operating ($B)

$2.05B

$1.78B

$2.46B

+38.2%

N/A (not guided explicitly)

N/A

Sources: Visible Alpha Consensus and Actuals Data. Guidance from LRCX Q3 FY2026 Earnings Call (April 22, 2026). Gross margin guidance midpoint of 50.5% applied to consensus revenue estimate to derive implied gross margin dollar consensus vs. guidance comparison.

Table 2 — Beat/Miss History (Last 8 Quarters, Top 2 KPIs: Revenue & Operating EPS)

Quarter

KPI

Reported

Consensus

Surprise %

Result

Q3 FY2026 (Mar-26)

Revenue

$5.84B

$5.74B

+1.7%

Beat

Q3 FY2026 (Mar-26)

Op. EPS

$1.47

$1.36

+8.1%

Beat

Q2 FY2026 (Dec-25)

Revenue

$5.34B

$5.25B

+1.7%

Beat

Q2 FY2026 (Dec-25)

Op. EPS

$1.27

$1.18

+7.6%

Beat

Q1 FY2026 (Sep-25)

Revenue

$5.32B

$5.24B

+1.5%

Beat

Q1 FY2026 (Sep-25)

Op. EPS

$1.26

$1.23

+2.4%

Beat

Q4 FY2025 (Jun-25)

Revenue

$5.17B

$5.01B

+3.2%

Beat

Q4 FY2025 (Jun-25)

Op. EPS

$1.33

$1.21

+9.9%

Beat

Q3 FY2025 (Mar-25)

Revenue

N/A — not in VA window

N/A

N/A

N/A

Q3 FY2025 (Mar-25)

Op. EPS

N/A — not in VA window

N/A

N/A

N/A

Pattern: LRCX has beaten consensus on both revenue and operating EPS in every reported quarter in the Visible Alpha window, with EPS beats consistently larger than revenue beats (averaging ~7% on EPS vs. ~2% on revenue), suggesting the company systematically under-guides on profitability. This pattern supports a bias toward an EPS beat in Q4 FY2026.

Source: Visible Alpha Consensus and Actuals Data.

4. Guidance vs. Estimate Revision Tracker

Key Takeaway: Estimates have moved sharply higher since the April 22 print — Q4 FY2026 revenue consensus is up ~$40M and EPS up ~$0.02 from the post-earnings baseline — tracking guidance closely with a slight upward bias, consistent with the market pricing in a modest beat; FY2027 estimates have also been revised up meaningfully, reflecting the raised WFE outlook and accelerating AI demand narrative.

KPI (Period)

Estimate ~Apr 28, 2026 (Post-Print Baseline)

Current Consensus

Estimate Δ (%)

Initial Guidance (Apr 22 Call)

Current Guidance

Guidance Δ

Consensus vs. Guidance (%)

Revenue — Q4 FY2026

$6.654B

$6.690B

+0.5%

$6.60B (±$400M)

Unchanged

+1.4%

Op. EPS — Q4 FY2026

$1.684

$1.697

+0.8%

$1.65 (±$0.15)

Unchanged

+2.8%

Revenue — FY2026

$23.165B

$23.200B

+0.2%

N/A (FY not guided)

N/A

N/A

Op. EPS — FY2026

$5.685

$5.697

+0.2%

N/A

N/A

N/A

Revenue — FY2027

$30.280B

$31.084B

+2.7%

N/A

N/A

N/A

Op. EPS — FY2027

$7.879

$8.165

+3.6%

N/A

N/A

N/A

The most notable revision is in FY2027, where revenue estimates have moved up ~$800M (+2.7%) and EPS up ~$0.29 (+3.6%) since the April print, reflecting the market’s growing conviction in the multi-year WFE growth cycle. Near-term Q4 estimates are essentially locked in at guidance-plus, consistent with LRCX’s historical pattern of conservative guidance. The key question for this print is whether management provides a 2027 WFE framework that justifies — or exceeds — the Street’s current $31B FY2027 revenue estimate.

Source: Visible Alpha Consensus and Actuals Data (as-of date: April 28, 2026 for baseline; latest for current consensus).

5. Stock Performance

Key Takeaway: LRCX has dramatically underperformed the SOXX since the April 22 earnings date (+1.5% vs. +13.8% for SOXX and +4.2% for S&P 500), driven by a sharp reversal from a June 30 peak of $433 to ~$270 today — a 38% drawdown that reflects China revenue normalization fears and multiple compression rather than any deterioration in the fundamental growth story, creating a potentially attractive setup if management delivers a strong 2027 framework.

LRCX vs. SOXX vs. S&P 500 — Indexed to 100 at April 22, 2026 (Last Earnings Date). Source: Stock Price Data (Yahoo Finance).

Sector ETF used: SOXX (iShares Semiconductor ETF) — appropriate for LRCX’s semiconductor equipment sub-sector.

Key events during the period:

Source: Stock Price Data (Yahoo Finance).

6. Peer Commentaries — Read-Through for Q4 FY2026 (June Quarter)

Key Takeaway: All three major peers — KLAC (reported July 28), ASML (reported July 15), and AMAT (reported May 14) — delivered unambiguously bullish read-throughs for LRCX’s June quarter and beyond: WFE has been revised up to the low-$150B range (KLAC), memory-related net system sales are growing 75%+ (ASML), and semiconductor equipment business is growing 30%+ (AMAT), all pointing to a strong LRCX print and a favorable setup for 2027 guidance.

KLAC Corporation — Q4 FY2026 Earnings (Reported July 28, 2026)

Relevance: KLAC reported the same day as LRCX’s expected print, providing the most current and directly comparable read-through. KLAC covers the same end markets (foundry/logic, DRAM, NAND, advanced packaging) and its WFE commentary is the most widely watched industry benchmark.

ASML Holding — Q2 CY2026 Earnings (Reported July 15, 2026)

Relevance: ASML is the leading lithography equipment supplier and its commentary on customer spending plans, fab capacity additions, and memory/logic investment trends is a leading indicator for downstream etch and deposition demand (LRCX’s core business). ASML’s order book and customer capex revision data are particularly relevant.

Applied Materials — Q2 FY2026 Earnings (Reported May 14, 2026)

Relevance: AMAT is LRCX’s closest direct competitor in etch and deposition, and its commentary on end-market demand, customer spending patterns, and specific technology inflections (DRAM, advanced packaging, foundry/logic) is the most directly comparable read-through available. AMAT’s May 14 report covers the same calendar quarter as LRCX’s June quarter guidance period.

Applied Materials — DRAM & Advanced Packaging Master Class (June 25, 2026)

Relevance: AMAT’s June 25 Master Class provided a detailed technology and market sizing update on DRAM and advanced packaging — two of LRCX’s highest-growth segments — and is the most recent pre-earnings industry data point available.

Sources: KLAC Q4 FY2026 Earnings Call Transcript (July 28, 2026); ASML Q2 CY2026 Earnings Call Transcript (July 15, 2026); AMAT Q2 FY2026 Earnings Call Transcript (May 14, 2026); AMAT DRAM & Advanced Packaging Master Class (June 25, 2026).

7. Material News & Developments

Key Takeaway: The most important development since the April 22 earnings call is the broad-based WFE upgrade cycle confirmed by peers (KLAC now at low-$150B, AMAT guiding >30% equipment growth), which validates LRCX’s bullish setup — but the sharp stock selloff from the June peak suggests the market is pricing in China export control risk and multiple compression, making the tone of management’s 2027 framework the key swing factor for the print.