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Side-by-side financial comparison of Quest Diagnostics (DGX) and Constellation Brands (STZ). Click either name above to swap in a different company.

Quest Diagnostics is the larger business by last-quarter revenue ($2.9B vs $2.2B, roughly 1.3× Constellation Brands). Constellation Brands runs the higher net margin — 22.6% vs 9.7%, a 12.9% gap on every dollar of revenue. On growth, Quest Diagnostics posted the faster year-over-year revenue change (9.2% vs -9.8%). Over the past eight quarters, Quest Diagnostics's revenue compounded faster (9.9% CAGR vs 1.9%).

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.

Constellation Brands, Inc. is an American producer and marketer of beer, wine, and spirits. A Fortune 500 company, Constellation is the largest beer import company in the US, measured by sales, and has the third-largest market share of all major beer suppliers. It also has sizable investments in medical and recreational cannabis through its association with Canopy Growth. Based in Rochester, New York, Constellation has about 40 facilities and approximately 9,000 employees.

DGX vs STZ — Head-to-Head

Bigger by revenue
DGX
DGX
1.3× larger
DGX
$2.9B
$2.2B
STZ
Growing faster (revenue YoY)
DGX
DGX
+18.9% gap
DGX
9.2%
-9.8%
STZ
Higher net margin
STZ
STZ
12.9% more per $
STZ
22.6%
9.7%
DGX
Faster 2-yr revenue CAGR
DGX
DGX
Annualised
DGX
9.9%
1.9%
STZ

Income Statement — Q1 FY2026 vs Q3 FY2026

Metric
DGX
DGX
STZ
STZ
Revenue
$2.9B
$2.2B
Net Profit
$281.0M
$502.8M
Gross Margin
53.2%
Operating Margin
15.4%
31.1%
Net Margin
9.7%
22.6%
Revenue YoY
9.2%
-9.8%
Net Profit YoY
12.0%
-18.4%
EPS (diluted)
$2.24

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
STZ
STZ
Q1 26
$2.9B
Q4 25
$2.8B
$2.2B
Q3 25
$2.8B
$2.5B
Q2 25
$2.8B
$2.5B
Q1 25
$2.7B
$2.2B
Q4 24
$2.6B
$2.5B
Q3 24
$2.5B
$2.9B
Q2 24
$2.4B
$2.7B
Net Profit
DGX
DGX
STZ
STZ
Q1 26
$281.0M
Q4 25
$245.0M
$502.8M
Q3 25
$245.0M
$466.0M
Q2 25
$282.0M
$516.1M
Q1 25
$220.0M
$-375.3M
Q4 24
$222.0M
$615.9M
Q3 24
$226.0M
$-1.2B
Q2 24
$229.0M
$877.0M
Gross Margin
DGX
DGX
STZ
STZ
Q1 26
Q4 25
32.4%
53.2%
Q3 25
33.7%
52.8%
Q2 25
34.2%
50.4%
Q1 25
32.5%
51.5%
Q4 24
32.7%
52.1%
Q3 24
32.6%
51.8%
Q2 24
33.5%
52.7%
Operating Margin
DGX
DGX
STZ
STZ
Q1 26
15.4%
Q4 25
13.8%
31.1%
Q3 25
13.7%
35.2%
Q2 25
15.9%
28.4%
Q1 25
13.0%
-6.9%
Q4 24
13.8%
32.2%
Q3 24
13.3%
-42.1%
Q2 24
14.8%
35.4%
Net Margin
DGX
DGX
STZ
STZ
Q1 26
9.7%
Q4 25
8.7%
22.6%
Q3 25
8.7%
18.8%
Q2 25
10.2%
20.5%
Q1 25
8.3%
-17.3%
Q4 24
8.5%
25.0%
Q3 24
9.1%
-41.1%
Q2 24
9.6%
32.9%
EPS (diluted)
DGX
DGX
STZ
STZ
Q1 26
$2.24
Q4 25
$2.18
Q3 25
$2.16
Q2 25
$2.47
Q1 25
$1.94
Q4 24
$1.95
Q3 24
$1.99
Q2 24
$2.03

Balance Sheet & Financial Strength

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

Metric
DGX
DGX
STZ
STZ
Cash + ST InvestmentsLiquidity on hand
$393.0M
$152.4M
Total DebtLower is stronger
$5.7B
$10.3B
Stockholders' EquityBook value
$7.7B
$7.7B
Total Assets
$16.7B
$21.7B
Debt / EquityLower = less leverage
0.74×
1.33×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DGX
DGX
STZ
STZ
Q1 26
$393.0M
Q4 25
$420.0M
$152.4M
Q3 25
$432.0M
$72.0M
Q2 25
$319.0M
$73.9M
Q1 25
$188.0M
$68.1M
Q4 24
$549.0M
$73.7M
Q3 24
$764.0M
$64.6M
Q2 24
$271.0M
$73.8M
Total Debt
DGX
DGX
STZ
STZ
Q1 26
$5.7B
Q4 25
$5.2B
$10.3B
Q3 25
$5.2B
$10.3B
Q2 25
$5.2B
$11.2B
Q1 25
$5.9B
$10.7B
Q4 24
$5.6B
$10.7B
Q3 24
$5.6B
$11.1B
Q2 24
$3.8B
$11.1B
Stockholders' Equity
DGX
DGX
STZ
STZ
Q1 26
$7.7B
Q4 25
$7.2B
$7.7B
Q3 25
$7.3B
$7.5B
Q2 25
$7.2B
$7.3B
Q1 25
$6.9B
$6.9B
Q4 24
$6.8B
$7.8B
Q3 24
$6.8B
$7.9B
Q2 24
$6.6B
$10.3B
Total Assets
DGX
DGX
STZ
STZ
Q1 26
$16.7B
Q4 25
$16.2B
$21.7B
Q3 25
$16.2B
$21.4B
Q2 25
$16.0B
$22.3B
Q1 25
$15.8B
$21.7B
Q4 24
$16.2B
$22.8B
Q3 24
$16.1B
$23.1B
Q2 24
$13.9B
$26.1B
Debt / Equity
DGX
DGX
STZ
STZ
Q1 26
0.74×
Q4 25
0.72×
1.33×
Q3 25
0.71×
1.37×
Q2 25
0.72×
1.54×
Q1 25
0.85×
1.55×
Q4 24
0.83×
1.37×
Q3 24
0.83×
1.41×
Q2 24
0.58×
1.08×

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
STZ
STZ
Operating Cash FlowLast quarter
$278.0M
$616.9M
Free Cash FlowOCF − Capex
$370.9M
FCF MarginFCF / Revenue
16.7%
Capex IntensityCapex / Revenue
3.9%
11.1%
Cash ConversionOCF / Net Profit
0.99×
1.23×
TTM Free Cash FlowTrailing 4 quarters
$1.8B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DGX
DGX
STZ
STZ
Q1 26
$278.0M
Q4 25
$465.0M
$616.9M
Q3 25
$563.0M
$852.1M
Q2 25
$544.0M
$637.2M
Q1 25
$314.0M
$594.7M
Q4 24
$464.0M
$685.2M
Q3 24
$356.0M
$1.2B
Q2 24
$360.0M
$690.5M
Free Cash Flow
DGX
DGX
STZ
STZ
Q1 26
Q4 25
$307.0M
$370.9M
Q3 25
$419.0M
$634.8M
Q2 25
$436.0M
$444.4M
Q1 25
$197.0M
$312.1M
Q4 24
$341.0M
$456.8M
Q3 24
$250.0M
$854.0M
Q2 24
$268.0M
$315.2M
FCF Margin
DGX
DGX
STZ
STZ
Q1 26
Q4 25
10.9%
16.7%
Q3 25
14.9%
25.6%
Q2 25
15.8%
17.7%
Q1 25
7.4%
14.4%
Q4 24
13.0%
18.5%
Q3 24
10.0%
29.3%
Q2 24
11.2%
11.8%
Capex Intensity
DGX
DGX
STZ
STZ
Q1 26
3.9%
Q4 25
5.6%
11.1%
Q3 25
5.1%
8.8%
Q2 25
3.9%
7.7%
Q1 25
4.4%
13.1%
Q4 24
4.7%
9.3%
Q3 24
4.3%
11.2%
Q2 24
3.8%
14.1%
Cash Conversion
DGX
DGX
STZ
STZ
Q1 26
0.99×
Q4 25
1.90×
1.23×
Q3 25
2.30×
1.83×
Q2 25
1.93×
1.23×
Q1 25
1.43×
Q4 24
2.09×
1.11×
Q3 24
1.58×
Q2 24
1.57×
0.79×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DGX
DGX

Segment breakdown not available.

STZ
STZ

Beer$2.0B90%
Constellation Wines And Spirits$213.1M10%

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