KLA Corporation reports Q3 FY2026 (January-March 2026) on April 29, 2026 after close. Revenue is already known: $3.35B guided midpoint with $3.20-3.50B range. The question entering the call is whether KLAC extends its 8-quarter consecutive beat streak and what the Q4 FY2026 guidance implies for FY2026 trajectory.

Investment setup:

The thesis is straightforward — KLA is the dominant process control platform (wafer inspection, metrology, e-beam review) with ~50% market share in its core segment. AI-driven logic capex from TSMC, Intel, and Samsung is driving structural WFE intensity. TSMC's Q1 2026 results (released April 16) confirmed top-of-range revenue and strong AI demand — a bullish read-through for KLAC's process control revenue.

Key watch items for April 29:

1. Revenue beat above $3.35B guideline midpoint — 8/8 historical beats, avg +2.8%. A beat to $3.45-3.50B would confirm AI-driven demand momentum
2. Q4 FY2026 revenue guidance — consensus expects ~$3.40-3.50B; below $3.35B would signal deceleration
3. Gross margin trajectory — guided 61.75% embeds 50-100bps tariff headwind; a surprise to 62.5%+ would be positive
4. Export control update — $300-350M CY2026 headwind stable vs worsening; China as % of revenue

Context from peers: TSMC reported April 16 with revenue at the top of its $34.6-35.8B guidance range ($35.71B), strong AI/HPC commentary, and Q2 2026 guidance of $38.9B (above street). ASML also reported April 16 with constructive EUV order commentary. Both are positive read-throughs for KLAC's March quarter.

Deceleration risk: Revenue growth has slowed significantly — +29.8% YoY in CQ1 25 to +7.2% YoY in CQ4 25. Q3 FY2026 consensus of ~$3.35B implies continued deceleration to ~+1.6% YoY vs $3.30B in CQ4 25. The question is whether the AI capex cycle and advanced packaging demand can re-accelerate WFE and KLAC growth back toward double digits.

Guidance set at Q2 FY2026 earnings call (January 29, 2026). Daloopa IDs: Revenue 154469362, GM 154470651, EPS 154470652. Reaffirmed at Investor Day (February 5, 2026).

Key observations:

• Revenue guidance midpoint ($3.35B) implies only +$53M QoQ growth from $3.297B in CQ4 25, and +1.6% YoY vs $3.29B CQ1 25 (but CQ1 25 is a tough comp at $3.063B — so YoY is actually +9.5% vs $3.063B in CQ1 25)
• Wait: CQ1 25 revenue was $3.063B. So $3.35B guided = +9.5% YoY — a healthy re-acceleration from the recent deceleration trend
• GM guidance of 61.75% is lower than recent actuals (62.5-63.2% range), reflecting embedded tariff headwind of 50-100bps
• Consensus EPS of $9.13 is just $0.05 above management midpoint — unusually tight; street is not pricing in a large beat
• Historical beat patterns: avg +2.8% on revenue and avg +4.8% on EPS vs guidance midpoints

Revenue & Margins

End Market Mix

China & Segments

Revenue, Non-GAAP EPS, Gross Margin, Operating Margin, Free Cash Flow

All Daloopa-sourced. Click $ to source.

Trend analysis:

• Revenue deceleration: YoY growth slowed from +29.8% (CQ1 25) to +7.2% (CQ4 25). Base effects and export controls drove this slowdown. Against easier Q1 25 comp ($3.063B), Q3 FY2026 guidance midpoint implies +9.5% YoY — a modest re-acceleration
• EPS deceleration: +59.9% YoY in CQ1 25 to +7.9% in CQ4 25. Mirrors revenue deceleration; margin structure has been stable so there's no incremental operating leverage compression
• Gross margin: Declined from 63.2% peak (CQ2 25) to 62.5-62.6% range, now guided to 61.75%. Tariff headwind of 50-100bps fully explains this step-down
• Operating margin: Peaked at 44.2% (dual quarters CQ1-2 25), now 42.8%. Reflects revenue deceleration flowing through on relatively fixed OpEx base
• Free cash flow: Accelerating strongly — $1.262B in CQ4 25 is the highest quarterly FCF in the series, +66.7% YoY. KLAC is generating significant cash to fund the $7B buyback

End Market Mix — Foundry/Logic vs Memory (% of Semi Process Control Systems Revenue)

Only 4 recent quarters available (CQ1-CQ4 25)

Key insight — Memory surge in CQ4 25: The jump to 40% memory in Q4 (October-December 2025) was driven by a surge in HBM3e/HBM4 inspection demand as SK Hynix, Samsung, and Micron accelerated HBM capacity for AI chips. This is a temporary mix shift — historical foundry/logic share runs 65-75%. Watch for normalization back toward 65-70% in Q3 FY2026 (Jan-Mar 2026), which would be positive for revenue quality given higher ASPs in leading-edge foundry tools.

Q3 FY2026 expectation: Foundry mix likely recovers toward 65-70% as TSMC's N2 ramp at 3nm/2nm drives inspection intensity and memory HBM ramp moderates from peak levels.

China Revenue and Segment Breakdown

China concentration risk: After peaking at 39.5% of revenue in CQ3 25 (July-September 2025) — likely driven by pre-export control rush orders — China revenue declined to 30.2% of revenue in CQ4 25 ($995M). Management has estimated $300-350M CY2026 headwind from export restrictions (vs $500M in CY2025, when the controls were first implemented and disruption was highest). The declining headwind figure suggests KLAC has been repricing its China business toward unrestricted tools (specialty semi, services) while restricted leading-edge tools are declining.

Services resilience: KLA's services business (maintenance, upgrades, spare parts on installed base) is less subject to export restrictions than new system sales. China installed base remains large and generates recurring services revenue.

Bull Factors

Bear Factors

Scenario Matrix

Bull Factors

1. TSMC Q1 2026 read-through (April 16) TSMC reported Q1 2026 revenue at $35.71B — the TOP of guidance range ($34.6-35.8B). TSMC's strong AI/HPC revenue (19% of wafer revenue, guided to 20%+) and confirmation of N2 ramp directly translates to KLAC process control tool demand. TSMC is KLAC's largest customer. A strong TSMC quarter is the most reliable leading indicator for KLAC revenue.

2. ASML Q1 2026 constructive (April 16) ASML's Q1 results and commentary on EUV demand and 2026 WFE outlook serve as a second independent data point. ASML and KLAC are complementary — ASML makes the lithography tools that expose wafers; KLAC makes the inspection tools that verify them.

3. 8/8 consecutive beat streak KLAC has beaten revenue and EPS guidance midpoints every single quarter for 8 consecutive quarters. The average revenue beat vs guidance midpoint is +2.8% (+$75-95M at current scale). An in-line beat would put revenue at $3.43-3.47B.

4. Memory normalization is additive Q4 25 memory surge (40% of systems) drove high services pull for HBM inspection. As foundry/logic normalizes back to 65-70%, ASPs for leading-edge foundry tools (gate-all-around, EUV-adjacent) are higher than memory tools, supporting gross margin recovery.

5. Investor Day signals management conviction The Feb 5 Investor Day announcement of a $7B buyback and 21% dividend increase alongside guidance reaffirmation signals management's confidence. CEOs do not announce $7B buybacks when demand visibility is uncertain.

6. Export headwind declining $300-350M CY2026 vs $500M CY2025 — China headwind is shrinking, not expanding. Every $50M of headwind recovery that doesn't materialize is upside.

Bear Factors

1. Revenue growth deceleration YoY revenue growth slowed from +29.8% (CQ1 25) to +7.2% (CQ4 25). While the Q3 FY2026 guide implies +9.5% YoY recovery, the broader deceleration trend is clear. WFE industry growth is projected at mid-single digits for CY2026 — KLAC outperforms but cannot escape the denominator.

2. Gross margin headwinds are real Tariffs create a structural 50-100bps headwind that was NOT present in peak margins (63.0-63.2% in CQ1-2 25). Management has embedded this into guidance but the tariff situation remains "unclear" — actual impact could be worse if tariff rates escalate or supply chain adjustments lag.

3. Revenue guidance barely above consensus Management revenue guidance midpoint ($3.35B) equals street consensus. This means there is no "gap" to close from management confidence. KLA has historically guided conservatively and beaten; if guidance is accurate to the midpoint, the stock may not move much.

4. EPS growth slowing sharply EPS growth slowed to +7.9% YoY in CQ4 25 and Q3 FY2026 implies approximately +8-9% YoY. This is a normal industrial company growth rate — not the 30-60% YoY that investors grew accustomed to in FY2025. Multiple compression risk is real if the growth premium shrinks.

5. China export risk not fully resolved New export control packages have been announced in 2025-2026. Additional restrictions on legacy node tools or expanded customer lists could materially change the $300-350M headwind estimate. This remains a binary risk that cannot be modeled precisely.

6. Tariff pass-through not guaranteed KLAC is a US manufacturer. Tariffs on imported components (from Japan, Germany, Korea) increase COGS. KLAC can pass some through to customers but there is a lag and competitive pressure with overseas tool makers.

Q3 FY2026 Scenario Matrix

Market context: The stock has traded at a significant premium to the broader semiconductor equipment group due to its process control moat and consistent execution. A first revenue miss vs guidance midpoint would be a psychological inflection point — not necessarily a fundamental problem, but a sentiment reset. The base case is continued execution given TSMC read-through, peer commentary, and management confidence signals.

TIER 1 — Make or Break (Market-Moving)

TIER 2 — Important (2-5% stock impact)

TIER 3 — Confirmatory (1-2% impact)

Peer Earnings Around KLAC

Feb 5, 2026 — Investor Day 2026

KLAC hosted Investor Day: announced $7B incremental share repurchase program (adding to existing), raised quarterly dividend 21% to $2.30/share from $1.90, and reaffirmed Q3 FY2026 (March quarter) guidance. CEO Rick Wallace outlined long-term WFE growth conviction, AI-driven inspection intensity, and advanced packaging opportunity.

Jan 29, 2026 — Q2 FY2026 Earnings

Revenue $3.30B (+7.2% YoY), non-GAAP EPS $8.85 (+1.7% above guidance midpoint of $8.70). Both revenue and EPS beat guidance midpoints for 8th consecutive quarter. Q3 FY2026 guidance issued: $3.35B revenue, $9.08 non-GAAP EPS.

Jan 15, 2026 — Wells Fargo Upgrade

Wells Fargo upgraded KLAC from Equal Weight to Overweight, raised price target to $1,600 from $1,250. Cited improved AI fab capex visibility and KLAC's process control leverage to gate-all-around and advanced packaging nodes.

Mar 13, 2026 — Oppenheimer Raises PT

Oppenheimer raised KLAC price target from $1,800 to $1,900 (Outperform maintained). TD Cowen and Citigroup both raised price targets to $1,800. Broad analyst upgrade cycle driven by AI chip capex data points and TSMC capex guidance.

Ongoing 2026 — Export Control Headwinds

U.S. export restrictions estimated to cost KLAC ~$300-350M in CY2026 (vs ~$500M in CY2025 — improving). China revenue declined from 39.5% of revenue in CQ3 25 to 30.2% in CQ4 25 as restricted tool categories saw lower demand. Management has not quantified per-quarter impact.

Apr 2026 — Tariff Uncertainty

Global tariffs projected to create a 50-100bps gross margin headwind per management. With Q3 FY2026 GM guided at 61.75%, tariff impact is already embedded. 'The long-term tariff situation remains unclear' per management. KLAC manufactures primarily in US and is a net exporter — tariffs are a cost headwind, not a revenue headwind.

vs management guidance midpoints (set at prior quarter's earnings call)

Pattern analysis:

• KLAC has beaten its own revenue guidance midpoint in every quarter since CQ1 2024
• Average revenue beat: +2.7% above midpoint (~$94M at current scale) → implies Q3 FY2026 revenue of ~$3.44B on a typical beat
• Average EPS beat: +5.0% above midpoint → implies Q3 FY2026 non-GAAP EPS of ~$9.54 on a typical beat
• Notable: Q2 FY2025 (CQ2 25) showed a massive +10.0% EPS beat ($9.38 vs $8.53 guide); CQ4 25 beat was modest (+1.7% on EPS). Beat magnitude has moderated as estimates have become more precise
• Gross margin beat track record: Q3 FY2026 guidance of 61.75% ± 100bps vs recent actuals of 62.5-63.2% suggests any tariff headwind less than 100bps would be a positive surprise

Q3 FY2026 EPS sensitivity:

• Revenue beats $3.35B by 2.8% (avg beat) → revenue ~$3.44B → EPS upside of ~$0.20-0.30
• GM at 62.0% vs 61.75% guide → ~$8M additional gross profit → ~$0.06 EPS
• Share buyback ($7B authorized) begins reducing share count → modest EPS uplift
• Combined typical beat: ~$9.30-9.50 non-GAAP EPS vs $9.08 guidance midpoint