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Side-by-side financial comparison of APA Corporation (APA) and KLA Corporation (KLAC). Click either name above to swap in a different company.

KLA Corporation is the larger business by last-quarter revenue ($3.3B vs $2.2B, roughly 1.5× APA Corporation). KLA Corporation runs the higher net margin — 34.7% vs 15.0%, a 19.7% gap on every dollar of revenue. On growth, KLA Corporation posted the faster year-over-year revenue change (7.2% vs -24.3%). Over the past eight quarters, KLA Corporation's revenue compounded faster (18.2% CAGR vs 1.4%).

APA Corporation, a holding company for Apache Corporation, an American company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in Houston.

KLA Corporation is an American company based in Milpitas, California that makes wafer fab equipment. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing.

APA vs KLAC — Head-to-Head

Bigger by revenue
KLAC
KLAC
1.5× larger
KLAC
$3.3B
$2.2B
APA
Growing faster (revenue YoY)
KLAC
KLAC
+31.5% gap
KLAC
7.2%
-24.3%
APA
Higher net margin
KLAC
KLAC
19.7% more per $
KLAC
34.7%
15.0%
APA
Faster 2-yr revenue CAGR
KLAC
KLAC
Annualised
KLAC
18.2%
1.4%
APA

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
APA
APA
KLAC
KLAC
Revenue
$2.2B
$3.3B
Net Profit
$331.0M
$1.1B
Gross Margin
61.4%
Operating Margin
32.5%
Net Margin
15.0%
34.7%
Revenue YoY
-24.3%
7.2%
Net Profit YoY
-22.1%
39.0%
EPS (diluted)
$0.79
$8.68

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
APA
APA
KLAC
KLAC
Q4 25
$2.2B
$3.3B
Q3 25
$2.3B
$3.2B
Q2 25
$2.3B
$3.2B
Q1 25
$2.7B
$3.1B
Q4 24
$2.9B
$3.1B
Q3 24
$2.7B
$2.8B
Q2 24
$2.8B
$2.6B
Q1 24
$2.1B
$2.4B
Net Profit
APA
APA
KLAC
KLAC
Q4 25
$331.0M
$1.1B
Q3 25
$205.0M
$1.1B
Q2 25
$603.0M
$1.2B
Q1 25
$418.0M
$1.1B
Q4 24
$425.0M
$824.5M
Q3 24
$-223.0M
$945.9M
Q2 24
$541.0M
$836.4M
Q1 24
$212.0M
$601.5M
Gross Margin
APA
APA
KLAC
KLAC
Q4 25
61.4%
Q3 25
61.3%
Q2 25
62.0%
Q1 25
61.6%
Q4 24
60.3%
Q3 24
59.6%
Q2 24
60.7%
Q1 24
57.9%
Operating Margin
APA
APA
KLAC
KLAC
Q4 25
32.5%
Q3 25
33.7%
Q2 25
31.8%
41.9%
Q1 25
31.9%
41.3%
Q4 24
31.4%
31.6%
Q3 24
-5.2%
38.0%
Q2 24
34.4%
36.8%
Q1 24
32.2%
29.7%
Net Margin
APA
APA
KLAC
KLAC
Q4 25
15.0%
34.7%
Q3 25
9.0%
34.9%
Q2 25
26.0%
37.9%
Q1 25
15.4%
35.5%
Q4 24
14.6%
26.8%
Q3 24
-8.1%
33.3%
Q2 24
19.0%
32.6%
Q1 24
9.9%
25.5%
EPS (diluted)
APA
APA
KLAC
KLAC
Q4 25
$0.79
$8.68
Q3 25
$0.57
$8.47
Q2 25
$1.67
$9.04
Q1 25
$0.96
$8.16
Q4 24
$0.97
$6.16
Q3 24
$-0.60
$7.01
Q2 24
$1.46
$6.16
Q1 24
$0.44
$4.43

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
APA
APA
KLAC
KLAC
Cash + ST InvestmentsLiquidity on hand
$516.0M
$2.5B
Total DebtLower is stronger
$4.3B
$5.9B
Stockholders' EquityBook value
$6.1B
$5.5B
Total Assets
$17.8B
$16.7B
Debt / EquityLower = less leverage
0.70×
1.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APA
APA
KLAC
KLAC
Q4 25
$516.0M
$2.5B
Q3 25
$475.0M
$1.9B
Q2 25
$107.0M
$2.1B
Q1 25
$67.0M
$1.9B
Q4 24
$625.0M
$1.8B
Q3 24
$64.0M
$2.0B
Q2 24
$160.0M
$2.0B
Q1 24
$102.0M
$1.8B
Total Debt
APA
APA
KLAC
KLAC
Q4 25
$4.3B
$5.9B
Q3 25
$4.3B
$5.9B
Q2 25
$4.3B
$5.9B
Q1 25
$5.2B
$5.9B
Q4 24
$6.0B
$5.9B
Q3 24
$6.4B
$5.9B
Q2 24
$6.7B
$5.9B
Q1 24
$5.2B
$5.9B
Stockholders' Equity
APA
APA
KLAC
KLAC
Q4 25
$6.1B
$5.5B
Q3 25
$6.0B
$5.0B
Q2 25
$5.9B
$4.7B
Q1 25
$5.4B
$4.0B
Q4 24
$5.3B
$3.6B
Q3 24
$5.1B
$3.6B
Q2 24
$5.4B
$3.4B
Q1 24
$2.6B
$3.1B
Total Assets
APA
APA
KLAC
KLAC
Q4 25
$17.8B
$16.7B
Q3 25
$17.7B
$16.3B
Q2 25
$18.1B
$16.1B
Q1 25
$18.5B
$15.2B
Q4 24
$19.4B
$15.0B
Q3 24
$19.4B
$15.7B
Q2 24
$20.2B
$15.4B
Q1 24
$15.0B
$15.0B
Debt / Equity
APA
APA
KLAC
KLAC
Q4 25
0.70×
1.08×
Q3 25
0.72×
1.18×
Q2 25
0.73×
1.25×
Q1 25
0.96×
1.47×
Q4 24
1.13×
1.64×
Q3 24
1.25×
1.65×
Q2 24
1.24×
1.75×
Q1 24
1.99×
1.90×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
APA
APA
KLAC
KLAC
Operating Cash FlowLast quarter
$808.0M
$1.4B
Free Cash FlowOCF − Capex
$1.3B
FCF MarginFCF / Revenue
38.3%
Capex IntensityCapex / Revenue
3.2%
Cash ConversionOCF / Net Profit
2.44×
1.19×
TTM Free Cash FlowTrailing 4 quarters
$4.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APA
APA
KLAC
KLAC
Q4 25
$808.0M
$1.4B
Q3 25
$1.5B
$1.2B
Q2 25
$1.2B
$1.2B
Q1 25
$1.1B
$1.1B
Q4 24
$1.0B
$849.5M
Q3 24
$1.3B
$995.2M
Q2 24
$877.0M
$892.6M
Q1 24
$368.0M
$910.0M
Free Cash Flow
APA
APA
KLAC
KLAC
Q4 25
$1.3B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$990.0M
Q4 24
$757.2M
Q3 24
$934.8M
Q2 24
$831.9M
Q1 24
$838.2M
FCF Margin
APA
APA
KLAC
KLAC
Q4 25
38.3%
Q3 25
33.2%
Q2 25
33.5%
Q1 25
32.3%
Q4 24
24.6%
Q3 24
32.9%
Q2 24
32.4%
Q1 24
35.5%
Capex Intensity
APA
APA
KLAC
KLAC
Q4 25
3.2%
Q3 25
3.0%
Q2 25
3.2%
Q1 25
2.7%
Q4 24
3.0%
Q3 24
2.1%
Q2 24
2.4%
Q1 24
3.0%
Cash Conversion
APA
APA
KLAC
KLAC
Q4 25
2.44×
1.19×
Q3 25
7.12×
1.04×
Q2 25
1.96×
0.97×
Q1 25
2.62×
0.99×
Q4 24
2.44×
1.03×
Q3 24
1.05×
Q2 24
1.62×
1.07×
Q1 24
1.74×
1.51×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

APA
APA

Oil And Gas Excluding Purchased$1.7B76%
Oil And Gas Purchased$323.0M15%
Oil Reserves$114.0M5%
Other$72.0M3%
Natural Gas Reserves$30.0M1%

KLAC
KLAC

Wafer Inspection$1.6B48%
Services$786.1M24%
Patterning$696.2M21%
Specialty Semiconductor Process$121.6M4%
PCB And Component Inspection$80.3M2%
Other Revenue$40.2M1%

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