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Side-by-side financial comparison of Quest Diagnostics (DGX) and Frontier Communications Parent, Inc. (FYBR). Click either name above to swap in a different company.

Quest Diagnostics is the larger business by last-quarter revenue ($2.9B vs $1.5B, roughly 1.9× Frontier Communications Parent, Inc.). Quest Diagnostics runs the higher net margin — 9.7% vs -5.0%, a 14.7% gap on every dollar of revenue. On growth, Quest Diagnostics posted the faster year-over-year revenue change (9.2% vs 4.2%). Over the past eight quarters, Quest Diagnostics's revenue compounded faster (9.9% CAGR vs 4.3%).

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.

Frontier Communications Parent, Inc. is an American telecommunications company with a fiber-optic network and cloud-based services owned by Verizon. It was previously known as Citizens Utilities Co., Citizens Communications Co., and Frontier Communications Corp.

DGX vs FYBR — Head-to-Head

Bigger by revenue
DGX
DGX
1.9× larger
DGX
$2.9B
$1.5B
FYBR
Growing faster (revenue YoY)
DGX
DGX
+4.9% gap
DGX
9.2%
4.2%
FYBR
Higher net margin
DGX
DGX
14.7% more per $
DGX
9.7%
-5.0%
FYBR
Faster 2-yr revenue CAGR
DGX
DGX
Annualised
DGX
9.9%
4.3%
FYBR

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
DGX
DGX
FYBR
FYBR
Revenue
$2.9B
$1.5B
Net Profit
$281.0M
$-76.0M
Gross Margin
64.3%
Operating Margin
15.4%
7.6%
Net Margin
9.7%
-5.0%
Revenue YoY
9.2%
4.2%
Net Profit YoY
12.0%
7.3%
EPS (diluted)
$2.24
$-0.30

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
FYBR
FYBR
Q1 26
$2.9B
Q4 25
$2.8B
Q3 25
$2.8B
$1.5B
Q2 25
$2.8B
$1.5B
Q1 25
$2.7B
$1.5B
Q4 24
$2.6B
$1.5B
Q3 24
$2.5B
$1.5B
Q2 24
$2.4B
$1.5B
Net Profit
DGX
DGX
FYBR
FYBR
Q1 26
$281.0M
Q4 25
$245.0M
Q3 25
$245.0M
$-76.0M
Q2 25
$282.0M
$-123.0M
Q1 25
$220.0M
$-64.0M
Q4 24
$222.0M
$-118.0M
Q3 24
$226.0M
$-82.0M
Q2 24
$229.0M
$-123.0M
Gross Margin
DGX
DGX
FYBR
FYBR
Q1 26
Q4 25
32.4%
Q3 25
33.7%
64.3%
Q2 25
34.2%
65.0%
Q1 25
32.5%
65.2%
Q4 24
32.7%
64.2%
Q3 24
32.6%
63.4%
Q2 24
33.5%
64.8%
Operating Margin
DGX
DGX
FYBR
FYBR
Q1 26
15.4%
Q4 25
13.8%
Q3 25
13.7%
7.6%
Q2 25
15.9%
2.9%
Q1 25
13.0%
5.1%
Q4 24
13.8%
5.8%
Q3 24
13.3%
5.8%
Q2 24
14.8%
6.2%
Net Margin
DGX
DGX
FYBR
FYBR
Q1 26
9.7%
Q4 25
8.7%
Q3 25
8.7%
-5.0%
Q2 25
10.2%
-8.1%
Q1 25
8.3%
-4.3%
Q4 24
8.5%
-7.9%
Q3 24
9.1%
-5.6%
Q2 24
9.6%
-8.4%
EPS (diluted)
DGX
DGX
FYBR
FYBR
Q1 26
$2.24
Q4 25
$2.18
Q3 25
$2.16
$-0.30
Q2 25
$2.47
$-0.49
Q1 25
$1.94
$-0.26
Q4 24
$1.95
$-0.48
Q3 24
$1.99
$-0.33
Q2 24
$2.03
$-0.49

Balance Sheet & Financial Strength

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

Metric
DGX
DGX
FYBR
FYBR
Cash + ST InvestmentsLiquidity on hand
$393.0M
$336.0M
Total DebtLower is stronger
$5.7B
Stockholders' EquityBook value
$7.7B
$4.7B
Total Assets
$16.7B
$21.6B
Debt / EquityLower = less leverage
0.74×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DGX
DGX
FYBR
FYBR
Q1 26
$393.0M
Q4 25
$420.0M
Q3 25
$432.0M
$336.0M
Q2 25
$319.0M
$412.0M
Q1 25
$188.0M
$506.0M
Q4 24
$549.0M
$750.0M
Q3 24
$764.0M
$1.3B
Q2 24
$271.0M
$1.2B
Total Debt
DGX
DGX
FYBR
FYBR
Q1 26
$5.7B
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
FYBR
FYBR
Q1 26
$7.7B
Q4 25
$7.2B
Q3 25
$7.3B
$4.7B
Q2 25
$7.2B
$4.8B
Q1 25
$6.9B
$4.9B
Q4 24
$6.8B
$4.9B
Q3 24
$6.8B
$5.1B
Q2 24
$6.6B
$5.1B
Total Assets
DGX
DGX
FYBR
FYBR
Q1 26
$16.7B
Q4 25
$16.2B
Q3 25
$16.2B
$21.6B
Q2 25
$16.0B
$21.3B
Q1 25
$15.8B
$20.9B
Q4 24
$16.2B
$20.6B
Q3 24
$16.1B
$20.9B
Q2 24
$13.9B
$20.2B
Debt / Equity
DGX
DGX
FYBR
FYBR
Q1 26
0.74×
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
FYBR
FYBR
Operating Cash FlowLast quarter
$278.0M
$504.0M
Free Cash FlowOCF − Capex
$-315.0M
FCF MarginFCF / Revenue
-20.5%
Capex IntensityCapex / Revenue
3.9%
53.4%
Cash ConversionOCF / Net Profit
0.99×
TTM Free Cash FlowTrailing 4 quarters
$-1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DGX
DGX
FYBR
FYBR
Q1 26
$278.0M
Q4 25
$465.0M
Q3 25
$563.0M
$504.0M
Q2 25
$544.0M
$477.0M
Q1 25
$314.0M
$519.0M
Q4 24
$464.0M
$294.0M
Q3 24
$356.0M
$618.0M
Q2 24
$360.0M
$374.0M
Free Cash Flow
DGX
DGX
FYBR
FYBR
Q1 26
Q4 25
$307.0M
Q3 25
$419.0M
$-315.0M
Q2 25
$436.0M
$-368.0M
Q1 25
$197.0M
$-238.0M
Q4 24
$341.0M
$-498.0M
Q3 24
$250.0M
$-81.0M
Q2 24
$268.0M
$-252.0M
FCF Margin
DGX
DGX
FYBR
FYBR
Q1 26
Q4 25
10.9%
Q3 25
14.9%
-20.5%
Q2 25
15.8%
-24.2%
Q1 25
7.4%
-15.9%
Q4 24
13.0%
-33.4%
Q3 24
10.0%
-5.5%
Q2 24
11.2%
-17.2%
Capex Intensity
DGX
DGX
FYBR
FYBR
Q1 26
3.9%
Q4 25
5.6%
Q3 25
5.1%
53.4%
Q2 25
3.9%
55.5%
Q1 25
4.4%
50.6%
Q4 24
4.7%
53.2%
Q3 24
4.3%
47.5%
Q2 24
3.8%
42.7%
Cash Conversion
DGX
DGX
FYBR
FYBR
Q1 26
0.99×
Q4 25
1.90×
Q3 25
2.30×
Q2 25
1.93×
Q1 25
1.43×
Q4 24
2.09×
Q3 24
1.58×
Q2 24
1.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DGX
DGX

Segment breakdown not available.

FYBR
FYBR

Consumer$826.0M54%
Business And Wholesale$707.0M46%

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