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Side-by-side financial comparison of IDEX Corporation (IEX) and ON Semiconductor (ON). Click either name above to swap in a different company.

ON Semiconductor is the larger business by last-quarter revenue ($1.6B vs $899.1M, roughly 1.7× IDEX Corporation). ON Semiconductor runs the higher net margin — 16.4% vs 14.3%, a 2.2% gap on every dollar of revenue. On growth, IDEX Corporation posted the faster year-over-year revenue change (376.5% vs -10.0%). ON Semiconductor produced more free cash flow last quarter ($372.4M vs $189.8M). Over the past eight quarters, IDEX Corporation's revenue compounded faster (5.5% CAGR vs -12.3%).

IDEX can refer to several things, including:International Defence Exhibition, a biennial arms and defense technology sales exhibition IDEX Corporation, a publicly listed company that makes fluidics systems and specialty engineered products Ideanomics, a publicly traded company that trades under the IDEX ticker symbol.

Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. It was founded in 1957 as a division of Fairchild Camera and Instrument by the "traitorous eight" who defected from Shockley Semiconductor Laboratory. It became a pioneer in the manufacturing of transistors and of integrated circuits. Schlumberger bought the firm in 1979 and sold it to National Semiconductor in 1987; Fairchild was spun off as an independent company again in 1997. I...

IEX vs ON — Head-to-Head

Bigger by revenue
ON
ON
1.7× larger
ON
$1.6B
$899.1M
IEX
Growing faster (revenue YoY)
IEX
IEX
+386.4% gap
IEX
376.5%
-10.0%
ON
Higher net margin
ON
ON
2.2% more per $
ON
16.4%
14.3%
IEX
More free cash flow
ON
ON
$182.6M more FCF
ON
$372.4M
$189.8M
IEX
Faster 2-yr revenue CAGR
IEX
IEX
Annualised
IEX
5.5%
-12.3%
ON

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
IEX
IEX
ON
ON
Revenue
$899.1M
$1.6B
Net Profit
$128.3M
$255.0M
Gross Margin
43.1%
37.9%
Operating Margin
20.4%
17.0%
Net Margin
14.3%
16.4%
Revenue YoY
376.5%
-10.0%
Net Profit YoY
688.5%
-32.9%
EPS (diluted)
$1.71
$0.63

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
IEX
IEX
ON
ON
Q1 26
$899.1M
Q4 25
$899.1M
$1.6B
Q3 25
$878.7M
$1.5B
Q2 25
$865.4M
$1.4B
Q1 25
$814.3M
Q4 24
$862.9M
$1.7B
Q3 24
$798.2M
$1.8B
Q2 24
$807.2M
$1.7B
Net Profit
IEX
IEX
ON
ON
Q1 26
$128.3M
Q4 25
$128.3M
$255.0M
Q3 25
$127.8M
$170.3M
Q2 25
$131.6M
$-486.1M
Q1 25
$95.5M
Q4 24
$123.2M
$379.9M
Q3 24
$119.1M
$401.7M
Q2 24
$141.3M
$338.2M
Gross Margin
IEX
IEX
ON
ON
Q1 26
43.1%
Q4 25
43.1%
37.9%
Q3 25
44.5%
37.6%
Q2 25
45.3%
20.3%
Q1 25
45.3%
Q4 24
42.5%
45.2%
Q3 24
44.3%
45.4%
Q2 24
45.4%
45.2%
Operating Margin
IEX
IEX
ON
ON
Q1 26
20.4%
Q4 25
20.4%
17.0%
Q3 25
21.1%
13.2%
Q2 25
21.7%
-39.7%
Q1 25
17.4%
Q4 24
19.2%
23.7%
Q3 24
21.0%
25.3%
Q2 24
22.6%
22.4%
Net Margin
IEX
IEX
ON
ON
Q1 26
14.3%
Q4 25
14.3%
16.4%
Q3 25
14.5%
11.6%
Q2 25
15.2%
-33.6%
Q1 25
11.7%
Q4 24
14.3%
22.1%
Q3 24
14.9%
22.8%
Q2 24
17.5%
19.5%
EPS (diluted)
IEX
IEX
ON
ON
Q1 26
$1.71
Q4 25
$1.71
$0.63
Q3 25
$1.70
$0.41
Q2 25
$1.74
$-1.15
Q1 25
$1.26
Q4 24
$1.61
$0.88
Q3 24
$1.57
$0.93
Q2 24
$1.86
$0.78

Balance Sheet & Financial Strength

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

Metric
IEX
IEX
ON
ON
Cash + ST InvestmentsLiquidity on hand
$580.0M
$2.9B
Total DebtLower is stronger
$3.4B
Stockholders' EquityBook value
$4.0B
$7.9B
Total Assets
$6.9B
$13.0B
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IEX
IEX
ON
ON
Q1 26
$580.0M
Q4 25
$580.0M
$2.9B
Q3 25
$593.8M
$2.8B
Q2 25
$568.2M
$3.0B
Q1 25
$594.1M
Q4 24
$620.8M
$3.0B
Q3 24
$633.2M
$2.8B
Q2 24
$700.7M
$2.7B
Total Debt
IEX
IEX
ON
ON
Q1 26
Q4 25
$1.8B
$3.4B
Q3 25
$1.9B
$3.4B
Q2 25
$1.9B
$3.4B
Q1 25
$2.0B
Q4 24
$2.0B
$3.4B
Q3 24
$2.1B
$3.4B
Q2 24
$1.3B
$3.4B
Stockholders' Equity
IEX
IEX
ON
ON
Q1 26
$4.0B
Q4 25
$4.0B
$7.9B
Q3 25
$4.0B
$7.9B
Q2 25
$4.0B
$8.0B
Q1 25
$3.9B
Q4 24
$3.8B
$8.8B
Q3 24
$3.8B
$8.6B
Q2 24
$3.7B
$8.3B
Total Assets
IEX
IEX
ON
ON
Q1 26
$6.9B
Q4 25
$6.9B
$13.0B
Q3 25
$7.0B
$13.1B
Q2 25
$6.9B
$13.3B
Q1 25
$6.8B
Q4 24
$6.7B
$14.1B
Q3 24
$7.0B
$13.9B
Q2 24
$5.9B
$13.7B
Debt / Equity
IEX
IEX
ON
ON
Q1 26
Q4 25
0.45×
0.43×
Q3 25
0.48×
0.43×
Q2 25
0.46×
0.42×
Q1 25
0.50×
Q4 24
0.52×
0.38×
Q3 24
0.55×
0.39×
Q2 24
0.36×
0.41×

Cash Flow & Capital Efficiency

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

Metric
IEX
IEX
ON
ON
Operating Cash FlowLast quarter
$418.7M
Free Cash FlowOCF − Capex
$189.8M
$372.4M
FCF MarginFCF / Revenue
21.1%
24.0%
Capex IntensityCapex / Revenue
7.1%
3.0%
Cash ConversionOCF / Net Profit
1.64×
TTM Free Cash FlowTrailing 4 quarters
$715.2M
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IEX
IEX
ON
ON
Q1 26
Q4 25
$209.5M
$418.7M
Q3 25
$203.5M
$184.3M
Q2 25
$161.7M
$602.3M
Q1 25
$105.7M
Q4 24
$172.6M
$579.7M
Q3 24
$205.3M
$465.8M
Q2 24
$133.6M
$362.2M
Free Cash Flow
IEX
IEX
ON
ON
Q1 26
$189.8M
Q4 25
$189.8M
$372.4M
Q3 25
$188.7M
$106.1M
Q2 25
$146.9M
$454.7M
Q1 25
$91.4M
Q4 24
$157.1M
$434.8M
Q3 24
$191.6M
$293.6M
Q2 24
$117.7M
$207.7M
FCF Margin
IEX
IEX
ON
ON
Q1 26
21.1%
Q4 25
21.1%
24.0%
Q3 25
21.5%
7.2%
Q2 25
17.0%
31.5%
Q1 25
11.2%
Q4 24
18.2%
25.2%
Q3 24
24.0%
16.7%
Q2 24
14.6%
12.0%
Capex Intensity
IEX
IEX
ON
ON
Q1 26
7.1%
Q4 25
2.2%
3.0%
Q3 25
1.7%
5.3%
Q2 25
1.7%
10.2%
Q1 25
1.8%
Q4 24
1.8%
8.4%
Q3 24
1.7%
9.8%
Q2 24
2.0%
8.9%
Cash Conversion
IEX
IEX
ON
ON
Q1 26
Q4 25
1.63×
1.64×
Q3 25
1.59×
1.08×
Q2 25
1.23×
Q1 25
1.11×
Q4 24
1.40×
1.53×
Q3 24
1.72×
1.16×
Q2 24
0.95×
1.07×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IEX
IEX

Segment breakdown not available.

ON
ON

Industrial Segment$426.3M27%
Other End Markets Segment$337.3M22%
Intelligent Sensing Segments$284.0M18%
Direct Customers$282.4M18%
Intelligent Sensing Group$230.0M15%

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