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Side-by-side financial comparison of EXPONENT INC (EXPO) and iRhythm Holdings, Inc. (IRTC). Click either name above to swap in a different company.

iRhythm Holdings, Inc. is the larger business by last-quarter revenue ($208.9M vs $147.4M, roughly 1.4× EXPONENT INC). EXPONENT INC runs the higher net margin — 16.8% vs 2.7%, a 14.1% gap on every dollar of revenue. On growth, iRhythm Holdings, Inc. posted the faster year-over-year revenue change (27.1% vs 7.8%). Over the past eight quarters, iRhythm Holdings, Inc.'s revenue compounded faster (25.8% CAGR vs 0.9%).

Exponent, Inc. is an American engineering and scientific consulting firm. Exponent has a team of scientists, physicians, engineers, and business consultants which performs research and analysis in more than 90 technical disciplines. The company operates 20 offices in the United States and five offices overseas.

iRhythm Holdings is a digital healthcare company focused on cardiac care, developing and commercializing wearable ambulatory heart monitoring devices paired with AI-powered analytical tools. It primarily serves healthcare providers and patients across the United States, helping to detect undiagnosed arrhythmias such as atrial fibrillation through convenient long-term heart rhythm tracking that delivers actionable clinical insights.

EXPO vs IRTC — Head-to-Head

Bigger by revenue
IRTC
IRTC
1.4× larger
IRTC
$208.9M
$147.4M
EXPO
Growing faster (revenue YoY)
IRTC
IRTC
+19.3% gap
IRTC
27.1%
7.8%
EXPO
Higher net margin
EXPO
EXPO
14.1% more per $
EXPO
16.8%
2.7%
IRTC
Faster 2-yr revenue CAGR
IRTC
IRTC
Annualised
IRTC
25.8%
0.9%
EXPO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
EXPO
EXPO
IRTC
IRTC
Revenue
$147.4M
$208.9M
Net Profit
$24.8M
$5.6M
Gross Margin
70.9%
Operating Margin
19.8%
1.1%
Net Margin
16.8%
2.7%
Revenue YoY
7.8%
27.1%
Net Profit YoY
5.0%
518.5%
EPS (diluted)
$0.49
$0.18

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
EXPO
EXPO
IRTC
IRTC
Q4 25
$147.1M
$208.9M
Q3 25
$142.0M
$192.9M
Q2 25
$145.5M
$186.7M
Q1 25
$136.8M
$158.7M
Q4 24
$164.3M
Q3 24
$136.3M
$147.5M
Q2 24
$140.5M
$148.0M
Q1 24
$144.9M
$131.9M
Net Profit
EXPO
EXPO
IRTC
IRTC
Q4 25
$28.0M
$5.6M
Q3 25
$26.6M
$-5.2M
Q2 25
$26.6M
$-14.2M
Q1 25
$23.6M
$-30.7M
Q4 24
$-1.3M
Q3 24
$26.0M
$-46.2M
Q2 24
$29.2M
$-20.1M
Q1 24
$30.1M
$-45.7M
Gross Margin
EXPO
EXPO
IRTC
IRTC
Q4 25
70.9%
Q3 25
71.1%
Q2 25
71.2%
Q1 25
68.8%
Q4 24
70.0%
Q3 24
68.8%
Q2 24
69.9%
Q1 24
66.3%
Operating Margin
EXPO
EXPO
IRTC
IRTC
Q4 25
19.7%
1.1%
Q3 25
12.1%
-4.4%
Q2 25
30.5%
-10.0%
Q1 25
19.9%
-20.5%
Q4 24
-2.5%
Q3 24
19.0%
-34.1%
Q2 24
25.4%
-15.5%
Q1 24
21.2%
-28.9%
Net Margin
EXPO
EXPO
IRTC
IRTC
Q4 25
19.1%
2.7%
Q3 25
18.7%
-2.7%
Q2 25
18.3%
-7.6%
Q1 25
17.2%
-19.3%
Q4 24
-0.8%
Q3 24
19.1%
-31.3%
Q2 24
20.8%
-13.6%
Q1 24
20.8%
-34.6%
EPS (diluted)
EXPO
EXPO
IRTC
IRTC
Q4 25
$0.55
$0.18
Q3 25
$0.52
$-0.16
Q2 25
$0.52
$-0.44
Q1 25
$0.45
$-0.97
Q4 24
$-0.03
Q3 24
$0.50
$-1.48
Q2 24
$0.57
$-0.65
Q1 24
$0.59
$-1.47

Balance Sheet & Financial Strength

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

Metric
EXPO
EXPO
IRTC
IRTC
Cash + ST InvestmentsLiquidity on hand
$221.9M
$583.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$390.3M
$152.7M
Total Assets
$777.5M
$1.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EXPO
EXPO
IRTC
IRTC
Q4 25
$207.4M
$583.8M
Q3 25
$231.8M
$565.2M
Q2 25
$245.1M
$545.5M
Q1 25
$258.9M
$520.6M
Q4 24
$535.6M
Q3 24
$219.7M
$522.0M
Q2 24
$203.3M
$561.5M
Q1 24
$168.7M
$569.1M
Stockholders' Equity
EXPO
EXPO
IRTC
IRTC
Q4 25
$402.9M
$152.7M
Q3 25
$427.8M
$121.9M
Q2 25
$441.4M
$103.7M
Q1 25
$421.1M
$86.7M
Q4 24
$90.9M
Q3 24
$410.3M
$71.8M
Q2 24
$393.2M
$99.2M
Q1 24
$374.3M
$90.3M
Total Assets
EXPO
EXPO
IRTC
IRTC
Q4 25
$761.4M
$1.0B
Q3 25
$759.4M
$995.2M
Q2 25
$763.2M
$964.0M
Q1 25
$777.3M
$926.1M
Q4 24
$931.4M
Q3 24
$744.1M
$909.7M
Q2 24
$709.2M
$919.2M
Q1 24
$629.4M
$909.8M

Cash Flow & Capital Efficiency

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

Metric
EXPO
EXPO
IRTC
IRTC
Operating Cash FlowLast quarter
$26.2M
Free Cash FlowOCF − Capex
$14.5M
FCF MarginFCF / Revenue
6.9%
Capex IntensityCapex / Revenue
5.6%
Cash ConversionOCF / Net Profit
4.70×
TTM Free Cash FlowTrailing 4 quarters
$34.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EXPO
EXPO
IRTC
IRTC
Q4 25
$32.7M
$26.2M
Q3 25
$36.2M
$34.9M
Q2 25
$7.3M
$27.7M
Q1 25
$56.1M
$-7.9M
Q4 24
$19.2M
Q3 24
$29.7M
$24.3M
Q2 24
$48.3M
$11.8M
Q1 24
$10.4M
$-52.0M
Free Cash Flow
EXPO
EXPO
IRTC
IRTC
Q4 25
$30.0M
$14.5M
Q3 25
$33.9M
$20.1M
Q2 25
$5.5M
$17.3M
Q1 25
$53.5M
$-17.3M
Q4 24
$12.4M
Q3 24
$28.0M
$15.5M
Q2 24
$47.2M
$3.4M
Q1 24
$8.9M
$-61.8M
FCF Margin
EXPO
EXPO
IRTC
IRTC
Q4 25
20.4%
6.9%
Q3 25
23.9%
10.4%
Q2 25
3.8%
9.3%
Q1 25
39.1%
-10.9%
Q4 24
7.5%
Q3 24
20.5%
10.5%
Q2 24
33.6%
2.3%
Q1 24
6.2%
-46.8%
Capex Intensity
EXPO
EXPO
IRTC
IRTC
Q4 25
1.8%
5.6%
Q3 25
1.6%
7.7%
Q2 25
1.2%
5.6%
Q1 25
1.9%
5.9%
Q4 24
4.2%
Q3 24
1.3%
6.0%
Q2 24
0.8%
5.7%
Q1 24
1.0%
7.4%
Cash Conversion
EXPO
EXPO
IRTC
IRTC
Q4 25
1.16×
4.70×
Q3 25
1.36×
Q2 25
0.27×
Q1 25
2.38×
Q4 24
Q3 24
1.14×
Q2 24
1.65×
Q1 24
0.35×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EXPO
EXPO

Revenues before reimbursements$129.4M88%
Reimbursements$18.0M12%

IRTC
IRTC

Commercial Payors$111.7M53%
Centers For Medicare And Medicaid$49.2M24%
Healthcare Institutions$34.3M16%
Non Contracted Third Party Payors$13.7M7%

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