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Side-by-side financial comparison of Quest Diagnostics (DGX) and RELIANCE, INC. (RS). Click either name above to swap in a different company.

RELIANCE, INC. is the larger business by last-quarter revenue ($4.0B vs $2.9B, roughly 1.4× Quest Diagnostics). Quest Diagnostics runs the higher net margin — 9.7% vs 6.6%, a 3.1% gap on every dollar of revenue. On growth, RELIANCE, INC. posted the faster year-over-year revenue change (15.1% vs 9.2%). Over the past eight quarters, Quest Diagnostics's revenue compounded faster (9.9% CAGR vs 5.1%).

Quest Diagnostics Incorporated is an American clinical laboratory. A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. Quest also maintains collaborative agreements with various hospitals and clinics across the globe.

Reliance, Inc. (Reliance), headquartered in Scottsdale, Arizona, is the largest metals service center operator in North America. The company provides metals processing services and distributes a line of approximately 100,000 metal products, including aluminum, brass, alloy, copper, carbon steel, stainless steel, titanium, and specialty metal products to 125,000 customers such as fabricators and manufacturers.

DGX vs RS — Head-to-Head

Bigger by revenue
RS
RS
1.4× larger
RS
$4.0B
$2.9B
DGX
Growing faster (revenue YoY)
RS
RS
+5.9% gap
RS
15.1%
9.2%
DGX
Higher net margin
DGX
DGX
3.1% more per $
DGX
9.7%
6.6%
RS
Faster 2-yr revenue CAGR
DGX
DGX
Annualised
DGX
9.9%
5.1%
RS

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DGX
DGX
RS
RS
Revenue
$2.9B
$4.0B
Net Profit
$281.0M
$265.6M
Gross Margin
Operating Margin
15.4%
9.1%
Net Margin
9.7%
6.6%
Revenue YoY
9.2%
15.1%
Net Profit YoY
12.0%
32.5%
EPS (diluted)
$2.24
$5.10

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
DGX
DGX
RS
RS
Q1 26
$2.9B
$4.0B
Q4 25
$2.8B
$3.5B
Q3 25
$2.8B
$3.7B
Q2 25
$2.8B
$3.7B
Q1 25
$2.7B
$3.5B
Q4 24
$2.6B
$3.1B
Q3 24
$2.5B
$3.4B
Q2 24
$2.4B
$3.6B
Net Profit
DGX
DGX
RS
RS
Q1 26
$281.0M
$265.6M
Q4 25
$245.0M
$116.9M
Q3 25
$245.0M
$189.5M
Q2 25
$282.0M
$234.2M
Q1 25
$220.0M
$200.5M
Q4 24
$222.0M
$106.0M
Q3 24
$226.0M
$199.2M
Q2 24
$229.0M
$268.3M
Gross Margin
DGX
DGX
RS
RS
Q1 26
Q4 25
32.4%
Q3 25
33.7%
Q2 25
34.2%
Q1 25
32.5%
Q4 24
32.7%
Q3 24
32.6%
Q2 24
33.5%
Operating Margin
DGX
DGX
RS
RS
Q1 26
15.4%
9.1%
Q4 25
13.8%
4.8%
Q3 25
13.7%
7.1%
Q2 25
15.9%
8.5%
Q1 25
13.0%
7.9%
Q4 24
13.8%
4.5%
Q3 24
13.3%
8.0%
Q2 24
14.8%
9.7%
Net Margin
DGX
DGX
RS
RS
Q1 26
9.7%
6.6%
Q4 25
8.7%
3.3%
Q3 25
8.7%
5.2%
Q2 25
10.2%
6.4%
Q1 25
8.3%
5.8%
Q4 24
8.5%
3.4%
Q3 24
9.1%
5.8%
Q2 24
9.6%
7.4%
EPS (diluted)
DGX
DGX
RS
RS
Q1 26
$2.24
$5.10
Q4 25
$2.18
$2.23
Q3 25
$2.16
$3.59
Q2 25
$2.47
$4.42
Q1 25
$1.94
$3.74
Q4 24
$1.95
$2.05
Q3 24
$1.99
$3.61
Q2 24
$2.03
$4.67

Balance Sheet & Financial Strength

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

Metric
DGX
DGX
RS
RS
Cash + ST InvestmentsLiquidity on hand
$393.0M
$249.7M
Total DebtLower is stronger
$5.7B
$1.7B
Stockholders' EquityBook value
$7.7B
$7.1B
Total Assets
$16.7B
$10.8B
Debt / EquityLower = less leverage
0.74×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DGX
DGX
RS
RS
Q1 26
$393.0M
$249.7M
Q4 25
$420.0M
$216.6M
Q3 25
$432.0M
$261.2M
Q2 25
$319.0M
$239.5M
Q1 25
$188.0M
$277.8M
Q4 24
$549.0M
$318.1M
Q3 24
$764.0M
$314.6M
Q2 24
$271.0M
$350.8M
Total Debt
DGX
DGX
RS
RS
Q1 26
$5.7B
$1.7B
Q4 25
$5.2B
Q3 25
$5.2B
Q2 25
$5.2B
Q1 25
$5.9B
Q4 24
$5.6B
Q3 24
$5.6B
Q2 24
$3.8B
Stockholders' Equity
DGX
DGX
RS
RS
Q1 26
$7.7B
$7.1B
Q4 25
$7.2B
$7.2B
Q3 25
$7.3B
$7.3B
Q2 25
$7.2B
$7.2B
Q1 25
$6.9B
$7.1B
Q4 24
$6.8B
$7.2B
Q3 24
$6.8B
$7.4B
Q2 24
$6.6B
$7.6B
Total Assets
DGX
DGX
RS
RS
Q1 26
$16.7B
$10.8B
Q4 25
$16.2B
$10.4B
Q3 25
$16.2B
$10.5B
Q2 25
$16.0B
$10.5B
Q1 25
$15.8B
$10.4B
Q4 24
$16.2B
$10.0B
Q3 24
$16.1B
$10.3B
Q2 24
$13.9B
$10.4B
Debt / Equity
DGX
DGX
RS
RS
Q1 26
0.74×
0.24×
Q4 25
0.72×
Q3 25
0.71×
Q2 25
0.72×
Q1 25
0.85×
Q4 24
0.83×
Q3 24
0.83×
Q2 24
0.58×

Cash Flow & Capital Efficiency

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

Metric
DGX
DGX
RS
RS
Operating Cash FlowLast quarter
$278.0M
$151.4M
Free Cash FlowOCF − Capex
$87.2M
FCF MarginFCF / Revenue
2.2%
Capex IntensityCapex / Revenue
3.9%
1.6%
Cash ConversionOCF / Net Profit
0.99×
0.57×
TTM Free Cash FlowTrailing 4 quarters
$612.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DGX
DGX
RS
RS
Q1 26
$278.0M
$151.4M
Q4 25
$465.0M
$276.1M
Q3 25
$563.0M
$261.8M
Q2 25
$544.0M
$229.0M
Q1 25
$314.0M
$64.5M
Q4 24
$464.0M
$473.3M
Q3 24
$356.0M
$463.9M
Q2 24
$360.0M
$366.3M
Free Cash Flow
DGX
DGX
RS
RS
Q1 26
$87.2M
Q4 25
$307.0M
$202.9M
Q3 25
$419.0M
$180.6M
Q2 25
$436.0M
$141.4M
Q1 25
$197.0M
$-22.4M
Q4 24
$341.0M
$362.4M
Q3 24
$250.0M
$351.1M
Q2 24
$268.0M
$268.1M
FCF Margin
DGX
DGX
RS
RS
Q1 26
2.2%
Q4 25
10.9%
5.8%
Q3 25
14.9%
4.9%
Q2 25
15.8%
3.9%
Q1 25
7.4%
-0.6%
Q4 24
13.0%
11.6%
Q3 24
10.0%
10.3%
Q2 24
11.2%
7.4%
Capex Intensity
DGX
DGX
RS
RS
Q1 26
3.9%
1.6%
Q4 25
5.6%
2.1%
Q3 25
5.1%
2.2%
Q2 25
3.9%
2.4%
Q1 25
4.4%
2.5%
Q4 24
4.7%
3.5%
Q3 24
4.3%
3.3%
Q2 24
3.8%
2.7%
Cash Conversion
DGX
DGX
RS
RS
Q1 26
0.99×
0.57×
Q4 25
1.90×
2.36×
Q3 25
2.30×
1.38×
Q2 25
1.93×
0.98×
Q1 25
1.43×
0.32×
Q4 24
2.09×
4.47×
Q3 24
1.58×
2.33×
Q2 24
1.57×
1.37×

Financial Flow Comparison

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

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