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

KLA Corporation is the larger business by last-quarter revenue ($3.4B vs $2.0B, roughly 1.7× ICON PLC). KLA Corporation runs the higher net margin — 35.2% vs 0.1%, a 35.1% gap on every dollar of revenue. On growth, KLA Corporation posted the faster year-over-year revenue change (11.5% vs 0.6%). KLA Corporation produced more free cash flow last quarter ($622.3M vs $333.9M). Over the past eight quarters, KLA Corporation's revenue compounded faster (15.3% CAGR vs 0.6%).

ICON plc is an Irish headquartered multinational healthcare intelligence and clinical research organisation. As of February 2025 had approximately 41,900 employees in 55 countries.

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.

ICLR vs KLAC — Head-to-Head

Bigger by revenue
KLAC
KLAC
1.7× larger
KLAC
$3.4B
$2.0B
ICLR
Growing faster (revenue YoY)
KLAC
KLAC
+10.9% gap
KLAC
11.5%
0.6%
ICLR
Higher net margin
KLAC
KLAC
35.1% more per $
KLAC
35.2%
0.1%
ICLR
More free cash flow
KLAC
KLAC
$288.4M more FCF
KLAC
$622.3M
$333.9M
ICLR
Faster 2-yr revenue CAGR
KLAC
KLAC
Annualised
KLAC
15.3%
0.6%
ICLR

Income Statement — Q3 FY2025 vs Q3 FY2026

Metric
ICLR
ICLR
KLAC
KLAC
Revenue
$2.0B
$3.4B
Net Profit
$2.4M
$1.2B
Gross Margin
Operating Margin
4.2%
Net Margin
0.1%
35.2%
Revenue YoY
0.6%
11.5%
Net Profit YoY
-98.8%
10.3%
EPS (diluted)
$0.03
$9.12

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
ICLR
ICLR
KLAC
KLAC
Q1 26
$3.4B
Q4 25
$3.3B
Q3 25
$2.0B
$3.2B
Q2 25
$2.0B
$3.2B
Q1 25
$2.0B
$3.1B
Q4 24
$3.1B
Q3 24
$2.0B
$2.8B
Q2 24
$2.1B
$2.6B
Net Profit
ICLR
ICLR
KLAC
KLAC
Q1 26
$1.2B
Q4 25
$1.1B
Q3 25
$2.4M
$1.1B
Q2 25
$183.0M
$1.2B
Q1 25
$154.2M
$1.1B
Q4 24
$824.5M
Q3 24
$197.1M
$945.9M
Q2 24
$146.9M
$836.4M
Gross Margin
ICLR
ICLR
KLAC
KLAC
Q1 26
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%
Operating Margin
ICLR
ICLR
KLAC
KLAC
Q1 26
Q4 25
Q3 25
4.2%
Q2 25
10.4%
41.9%
Q1 25
11.0%
41.3%
Q4 24
31.6%
Q3 24
14.1%
38.0%
Q2 24
10.8%
36.8%
Net Margin
ICLR
ICLR
KLAC
KLAC
Q1 26
35.2%
Q4 25
34.7%
Q3 25
0.1%
34.9%
Q2 25
9.1%
37.9%
Q1 25
7.7%
35.5%
Q4 24
26.8%
Q3 24
9.7%
33.3%
Q2 24
6.9%
32.6%
EPS (diluted)
ICLR
ICLR
KLAC
KLAC
Q1 26
$9.12
Q4 25
$8.68
Q3 25
$0.03
$8.47
Q2 25
$2.30
$9.04
Q1 25
$1.90
$8.16
Q4 24
$6.16
Q3 24
$2.36
$7.01
Q2 24
$1.76
$6.16

Balance Sheet & Financial Strength

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

Metric
ICLR
ICLR
KLAC
KLAC
Cash + ST InvestmentsLiquidity on hand
$468.9M
$1.8B
Total DebtLower is stronger
$5.9B
Stockholders' EquityBook value
$9.3B
$5.8B
Total Assets
$16.5B
$16.9B
Debt / EquityLower = less leverage
1.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ICLR
ICLR
KLAC
KLAC
Q1 26
$1.8B
Q4 25
$2.5B
Q3 25
$468.9M
$1.9B
Q2 25
$390.4M
$2.1B
Q1 25
$526.7M
$1.9B
Q4 24
$1.8B
Q3 24
$695.5M
$2.0B
Q2 24
$506.6M
$2.0B
Total Debt
ICLR
ICLR
KLAC
KLAC
Q1 26
$5.9B
Q4 25
$5.9B
Q3 25
$5.9B
Q2 25
$5.9B
Q1 25
$5.9B
Q4 24
$5.9B
Q3 24
$5.9B
Q2 24
$5.9B
Stockholders' Equity
ICLR
ICLR
KLAC
KLAC
Q1 26
$5.8B
Q4 25
$5.5B
Q3 25
$9.3B
$5.0B
Q2 25
$9.6B
$4.7B
Q1 25
$9.5B
$4.0B
Q4 24
$3.6B
Q3 24
$9.8B
$3.6B
Q2 24
$9.6B
$3.4B
Total Assets
ICLR
ICLR
KLAC
KLAC
Q1 26
$16.9B
Q4 25
$16.7B
Q3 25
$16.5B
$16.3B
Q2 25
$16.6B
$16.1B
Q1 25
$16.7B
$15.2B
Q4 24
$15.0B
Q3 24
$17.2B
$15.7B
Q2 24
$17.0B
$15.4B
Debt / Equity
ICLR
ICLR
KLAC
KLAC
Q1 26
1.01×
Q4 25
1.08×
Q3 25
1.18×
Q2 25
1.25×
Q1 25
1.47×
Q4 24
1.64×
Q3 24
1.65×
Q2 24
1.75×

Cash Flow & Capital Efficiency

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

Metric
ICLR
ICLR
KLAC
KLAC
Operating Cash FlowLast quarter
$387.6M
$707.5M
Free Cash FlowOCF − Capex
$333.9M
$622.3M
FCF MarginFCF / Revenue
16.3%
18.2%
Capex IntensityCapex / Revenue
2.6%
2.5%
Cash ConversionOCF / Net Profit
164.59×
0.59×
TTM Free Cash FlowTrailing 4 quarters
$1.0B
$4.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ICLR
ICLR
KLAC
KLAC
Q1 26
$707.5M
Q4 25
$1.4B
Q3 25
$387.6M
$1.2B
Q2 25
$146.2M
$1.2B
Q1 25
$268.2M
$1.1B
Q4 24
$849.5M
Q3 24
$402.7M
$995.2M
Q2 24
$218.6M
$892.6M
Free Cash Flow
ICLR
ICLR
KLAC
KLAC
Q1 26
$622.3M
Q4 25
$1.3B
Q3 25
$333.9M
$1.1B
Q2 25
$113.9M
$1.1B
Q1 25
$239.3M
$990.0M
Q4 24
$757.2M
Q3 24
$359.3M
$934.8M
Q2 24
$182.3M
$831.9M
FCF Margin
ICLR
ICLR
KLAC
KLAC
Q1 26
18.2%
Q4 25
38.3%
Q3 25
16.3%
33.2%
Q2 25
5.6%
33.5%
Q1 25
12.0%
32.3%
Q4 24
24.6%
Q3 24
17.7%
32.9%
Q2 24
8.6%
32.4%
Capex Intensity
ICLR
ICLR
KLAC
KLAC
Q1 26
2.5%
Q4 25
3.2%
Q3 25
2.6%
3.0%
Q2 25
1.6%
3.2%
Q1 25
1.4%
2.7%
Q4 24
3.0%
Q3 24
2.1%
2.1%
Q2 24
1.7%
2.4%
Cash Conversion
ICLR
ICLR
KLAC
KLAC
Q1 26
0.59×
Q4 25
1.19×
Q3 25
164.59×
1.04×
Q2 25
0.80×
0.97×
Q1 25
1.74×
0.99×
Q4 24
1.03×
Q3 24
2.04×
1.05×
Q2 24
1.49×
1.07×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ICLR
ICLR

Other Customers$681.3M33%
Clients1125$549.4M27%
Clients15$503.3M25%
Clients610$308.8M15%

KLAC
KLAC

Semiconductor Process Control$3.1B90%
PCB and Component Inspection$167.6M5%
Specialty Semiconductor Process$164.0M5%

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