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

RYDER SYSTEM INC is the larger business by last-quarter revenue ($3.1B vs $2.9B, roughly 1.1× Quest Diagnostics). Quest Diagnostics runs the higher net margin — 9.7% vs 3.0%, a 6.7% gap on every dollar of revenue. On growth, Quest Diagnostics posted the faster year-over-year revenue change (9.2% vs 1.0%). Over the past eight quarters, Quest Diagnostics's revenue compounded faster (9.9% CAGR vs -0.9%).

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.

Ryder System, Inc. is an American transportation and logistics company, specializing in truck rental and leasing, fleet management, supply chain management, and transportation management. It also offers full-service leasing, rental and maintenance, used vehicle sales, transportation management, professional drivers, e-commerce fulfillment, and last-mile delivery services. The company is headquartered in Coral Gables, Florida, and operates in the United States and United Kingdom.

DGX vs R — Head-to-Head

Bigger by revenue
R
R
1.1× larger
R
$3.1B
$2.9B
DGX
Growing faster (revenue YoY)
DGX
DGX
+8.2% gap
DGX
9.2%
1.0%
R
Higher net margin
DGX
DGX
6.7% more per $
DGX
9.7%
3.0%
R
Faster 2-yr revenue CAGR
DGX
DGX
Annualised
DGX
9.9%
-0.9%
R

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DGX
DGX
R
R
Revenue
$2.9B
$3.1B
Net Profit
$281.0M
$93.0M
Gross Margin
Operating Margin
15.4%
Net Margin
9.7%
3.0%
Revenue YoY
9.2%
1.0%
Net Profit YoY
12.0%
-5.1%
EPS (diluted)
$2.24
$2.34

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
R
R
Q1 26
$2.9B
$3.1B
Q4 25
$2.8B
$3.2B
Q3 25
$2.8B
$3.2B
Q2 25
$2.8B
$3.2B
Q1 25
$2.7B
$3.1B
Q4 24
$2.6B
$3.2B
Q3 24
$2.5B
$3.2B
Q2 24
$2.4B
$3.2B
Net Profit
DGX
DGX
R
R
Q1 26
$281.0M
$93.0M
Q4 25
$245.0M
$132.0M
Q3 25
$245.0M
$138.0M
Q2 25
$282.0M
$131.0M
Q1 25
$220.0M
$98.0M
Q4 24
$222.0M
$135.0M
Q3 24
$226.0M
$142.0M
Q2 24
$229.0M
$127.0M
Gross Margin
DGX
DGX
R
R
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
R
R
Q1 26
15.4%
Q4 25
13.8%
5.6%
Q3 25
13.7%
6.0%
Q2 25
15.9%
5.8%
Q1 25
13.0%
4.3%
Q4 24
13.8%
5.7%
Q3 24
13.3%
5.9%
Q2 24
14.8%
5.6%
Net Margin
DGX
DGX
R
R
Q1 26
9.7%
3.0%
Q4 25
8.7%
4.2%
Q3 25
8.7%
4.4%
Q2 25
10.2%
4.1%
Q1 25
8.3%
3.1%
Q4 24
8.5%
4.2%
Q3 24
9.1%
4.5%
Q2 24
9.6%
4.0%
EPS (diluted)
DGX
DGX
R
R
Q1 26
$2.24
$2.34
Q4 25
$2.18
$3.22
Q3 25
$2.16
$3.32
Q2 25
$2.47
$3.13
Q1 25
$1.94
$2.27
Q4 24
$1.95
$3.09
Q3 24
$1.99
$3.24
Q2 24
$2.03
$2.84

Balance Sheet & Financial Strength

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

Metric
DGX
DGX
R
R
Cash + ST InvestmentsLiquidity on hand
$393.0M
$182.0M
Total DebtLower is stronger
$5.7B
Stockholders' EquityBook value
$7.7B
$2.9B
Total Assets
$16.7B
Debt / EquityLower = less leverage
0.74×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DGX
DGX
R
R
Q1 26
$393.0M
$182.0M
Q4 25
$420.0M
$198.0M
Q3 25
$432.0M
$189.0M
Q2 25
$319.0M
$180.0M
Q1 25
$188.0M
$151.0M
Q4 24
$549.0M
$154.0M
Q3 24
$764.0M
$162.0M
Q2 24
$271.0M
$164.0M
Total Debt
DGX
DGX
R
R
Q1 26
$5.7B
Q4 25
$5.2B
$6.8B
Q3 25
$5.2B
$7.3B
Q2 25
$5.2B
$7.0B
Q1 25
$5.9B
$6.7B
Q4 24
$5.6B
$6.7B
Q3 24
$5.6B
$6.6B
Q2 24
$3.8B
$6.5B
Stockholders' Equity
DGX
DGX
R
R
Q1 26
$7.7B
$2.9B
Q4 25
$7.2B
$3.1B
Q3 25
$7.3B
$3.1B
Q2 25
$7.2B
$3.1B
Q1 25
$6.9B
$3.0B
Q4 24
$6.8B
$3.1B
Q3 24
$6.8B
$3.1B
Q2 24
$6.6B
$3.1B
Total Assets
DGX
DGX
R
R
Q1 26
$16.7B
Q4 25
$16.2B
$16.4B
Q3 25
$16.2B
$16.5B
Q2 25
$16.0B
$16.5B
Q1 25
$15.8B
$16.4B
Q4 24
$16.2B
$16.7B
Q3 24
$16.1B
$16.5B
Q2 24
$13.9B
$16.4B
Debt / Equity
DGX
DGX
R
R
Q1 26
0.74×
Q4 25
0.72×
2.24×
Q3 25
0.71×
2.35×
Q2 25
0.72×
2.27×
Q1 25
0.85×
2.21×
Q4 24
0.83×
2.14×
Q3 24
0.83×
2.17×
Q2 24
0.58×
2.09×

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
R
R
Operating Cash FlowLast quarter
$278.0M
$583.0M
Free Cash FlowOCF − Capex
$273.0M
FCF MarginFCF / Revenue
8.7%
Capex IntensityCapex / Revenue
3.9%
13.7%
Cash ConversionOCF / Net Profit
0.99×
6.27×
TTM Free Cash FlowTrailing 4 quarters
$595.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DGX
DGX
R
R
Q1 26
$278.0M
$583.0M
Q4 25
$465.0M
$749.0M
Q3 25
$563.0M
$442.0M
Q2 25
$544.0M
$752.0M
Q1 25
$314.0M
$651.0M
Q4 24
$464.0M
$558.0M
Q3 24
$356.0M
$629.0M
Q2 24
$360.0M
$552.0M
Free Cash Flow
DGX
DGX
R
R
Q1 26
$273.0M
Q4 25
$307.0M
$344.0M
Q3 25
$419.0M
$-85.0M
Q2 25
$436.0M
$63.0M
Q1 25
$197.0M
$137.0M
Q4 24
$341.0M
$-201.0M
Q3 24
$250.0M
$30.0M
Q2 24
$268.0M
$-87.0M
FCF Margin
DGX
DGX
R
R
Q1 26
8.7%
Q4 25
10.9%
10.8%
Q3 25
14.9%
-2.7%
Q2 25
15.8%
2.0%
Q1 25
7.4%
4.4%
Q4 24
13.0%
-6.3%
Q3 24
10.0%
0.9%
Q2 24
11.2%
-2.7%
Capex Intensity
DGX
DGX
R
R
Q1 26
3.9%
13.7%
Q4 25
5.6%
12.8%
Q3 25
5.1%
16.6%
Q2 25
3.9%
21.6%
Q1 25
4.4%
16.4%
Q4 24
4.7%
23.8%
Q3 24
4.3%
18.9%
Q2 24
3.8%
20.1%
Cash Conversion
DGX
DGX
R
R
Q1 26
0.99×
6.27×
Q4 25
1.90×
5.67×
Q3 25
2.30×
3.20×
Q2 25
1.93×
5.74×
Q1 25
1.43×
6.64×
Q4 24
2.09×
4.13×
Q3 24
1.58×
4.43×
Q2 24
1.57×
4.35×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DGX
DGX

Segment breakdown not available.

R
R

Fleet Management Solutions$1.5B47%
ChoiceLease$878.0M28%
Dedicated Transportation Solutions$553.0M18%
Commercial rental$211.0M7%

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