KLA Q1 FY2027 Earnings: Revenue Rises 29% as Cash Flow Strengthens
KLA Corporation reported Q1 FY2027 revenue of $4.14 billion, up 29% year over year, driven by strong Semiconductor Process Control demand from AI infrastructure and advanced packaging. GAAP diluted EPS rose 39% to $1.18, supported by operating leverage as revenue growth outpaced expenses. Free cash flow reached $1.34 billion, with $1.24 billion returned to shareholders. Q2 guidance indicates continued sequential revenue and EPS expansion. Key monitoring risks include inventory levels, export restrictions, industry cyclicality, and component availability.
KLA Corporation (NASDAQ: KLAC) reported Q1 FY2027 revenue of $4.14 billion, up about 29% from $3.21 billion a year earlier, while GAAP diluted EPS rose to $1.18 from $0.85. GAAP net income increased 38% to $1.55 billion, supported by Semiconductor Process Control growth and operating expenses that rose more slowly than revenue.
Core Results
For the quarter ended September 30, 2026, revenue was $136 million above the midpoint of KLA’s prior guidance. Gross profit increased about 30%, slightly faster than revenue, while the calculated GAAP gross margin expanded by approximately 0.6 percentage points.
Cash generation also improved. Operating cash flow rose nearly 32% to $1.53 billion, and free cash flow increased about 25% to $1.34 billion despite higher capital spending and a substantial use of cash for inventory.
| Metric | Q1 FY2027 | Q1 FY2026 | Year-over-Year Change |
|---|---|---|---|
| Revenue | $4.136 billion | $3.210 billion | +28.9% |
| Gross profit | Approximately $2.558 billion | Approximately $1.967 billion | +30.1% |
| GAAP gross margin | Approximately 61.9% | Approximately 61.3% | +0.6 percentage points |
| GAAP net income | $1.549 billion | $1.121 billion | +38.1% |
| GAAP diluted EPS | $1.18 | $0.85 | +38.8% |
| Non-GAAP diluted EPS | $1.22 | $0.88 | +38.6% |
| Operating cash flow | $1.531 billion | $1.162 billion | +31.8% |
| Free cash flow | $1.336 billion | $1.066 billion | +25.4% |
Gross profit and gross margin are calculated from reported revenue and cost-of-revenue figures. All per-share amounts were retroactively adjusted for KLA’s ten-for-one stock split effective June 11, 2026.
Business and Segment Performance
Product revenue increased about 33% to $3.29 billion, considerably faster than the roughly 14% increase in service revenue to $850.5 million. Semiconductor Process Control remained the principal growth engine and represented approximately 91% of total revenue.
All three reportable segments grew year over year, although Specialty Semiconductor Process expanded more slowly than the other businesses.
| Segment | Q1 FY2027 Revenue | Q1 FY2026 Revenue | Year-over-Year Change |
|---|---|---|---|
| Semiconductor Process Control | $3.754 billion | $2.899 billion | +29.5% |
| Specialty Semiconductor Process | $139.5 million | $119.8 million | +16.5% |
| PCB and Component Inspection | $242.2 million | $189.5 million | +27.8% |
Management attributed demand for process-control products to AI-related infrastructure investment, more leading-edge foundry and logic designs, rising memory complexity, and advanced packaging requirements. KLA also said technology transitions and stricter performance requirements in high-performance computing benefited its process, PCB, and component inspection businesses.
Profitability, Cash Flow, and the Balance Sheet
Research and development expense increased about 10% to $395.1 million, while selling, general, and administrative expense rose about 12% to $301.5 million. Because both categories grew substantially more slowly than revenue, KLA generated operating leverage in addition to the modest gross-margin improvement, helping net income grow faster than sales.
Working-capital investment remained significant. Inventory used $433.8 million of operating cash during the quarter, while accounts receivable used another $179.2 million. On the balance sheet, inventory increased about 12% sequentially to $4.09 billion from $3.65 billion at the end of June. Capital expenditures also rose to $194.8 million from $95.9 million a year earlier, but higher earnings allowed free cash flow to continue growing.
KLA returned $1.24 billion to shareholders during the quarter, including $935.8 million of share repurchases and $305.1 million of dividends. That represented about 93% of quarterly free cash flow. Cash and marketable securities totaled approximately $4.74 billion at quarter-end, while long-term debt declined to $5.72 billion from $5.89 billion at the end of June.
Q2 FY2027 Guidance
KLA’s guidance for the quarter ending December 31, 2026, points to another sequential increase in revenue and EPS. At the midpoint, revenue would rise about 14% from Q1 FY2027, while GAAP diluted EPS would increase about 19%.
| Metric | Q2 FY2027 Guidance |
|---|---|
| Revenue | $4.5 billion to $4.9 billion |
| GAAP gross margin | 60.8% to 62.8% |
| Non-GAAP gross margin | 61.5% to 63.5% |
| GAAP diluted EPS | $1.30 to $1.52 |
| Non-GAAP diluted EPS | $1.33 to $1.55 |
The GAAP gross-margin midpoint of 61.8% is broadly consistent with the approximately 61.9% calculated for Q1, while the revenue and EPS midpoints indicate continued expansion.
Risks Investors Need to Monitor
- Inventory and cash conversion: Inventory increased about 12% sequentially and absorbed $433.8 million of operating cash. The conversion of that inventory into shipments and cash is important to sustaining free cash flow.
- Export and trade restrictions: KLA identified evolving U.S. export rules affecting sales and services to certain customers in China, along with tariffs and other trade measures, as risks to its international business.
- Semiconductor industry cyclicality: Results remain exposed to changes in semiconductor capital spending, customer investment patterns, end-market demand, and a concentrated customer base.
- Component availability: Limited-source suppliers and potential shortages of components, rare-earth materials, or DRAM chips could affect production costs and delivery schedules.
Summary
KLA’s Q1 FY2027 results combined approximately 29% revenue growth with faster net-income and operating-cash-flow expansion. Semiconductor Process Control was the primary driver, while slower expense growth helped convert higher sales into stronger earnings. Q2 guidance points to further sequential growth, with inventory conversion, margin stability, semiconductor spending, and trade restrictions remaining the main areas to monitor.
This article may include AI-generated content that is human-reviewed, which is for reference and general information purposes only and does not constitute investment advice.
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