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Side-by-side financial comparison of Labcorp (LH) and Vistra Corp. (VST). Click either name above to swap in a different company.

Vistra Corp. is the larger business by last-quarter revenue ($4.8B vs $3.5B, roughly 1.4× Labcorp). Vistra Corp. runs the higher net margin — 4.8% vs 4.7%, a 0.2% gap on every dollar of revenue. On growth, Vistra Corp. posted the faster year-over-year revenue change (31.2% vs 5.6%). Vistra Corp. produced more free cash flow last quarter ($596.0M vs $490.3M). Over the past eight quarters, Vistra Corp.'s revenue compounded faster (23.3% CAGR vs 5.2%).

Labcorp is a leading global life sciences and diagnostic testing firm that offers comprehensive clinical laboratory services, drug development support, and medical testing solutions for healthcare providers, pharmaceutical companies, and individual patients. It uses advanced scientific expertise and innovative technologies to deliver accurate, actionable health insights that support clinical decisions, accelerate new treatment development, and improve patient health outcomes globally.

Vistra may refer to either of two companies:Vistra, a corporate services company based in Hong Kong Vistra Corp, an energy company based in Texas

LH vs VST — Head-to-Head

Bigger by revenue
VST
VST
1.4× larger
VST
$4.8B
$3.5B
LH
Growing faster (revenue YoY)
VST
VST
+25.6% gap
VST
31.2%
5.6%
LH
Higher net margin
VST
VST
0.2% more per $
VST
4.8%
4.7%
LH
More free cash flow
VST
VST
$105.7M more FCF
VST
$596.0M
$490.3M
LH
Faster 2-yr revenue CAGR
VST
VST
Annualised
VST
23.3%
5.2%
LH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
LH
LH
VST
VST
Revenue
$3.5B
$4.8B
Net Profit
$164.7M
$233.0M
Gross Margin
28.2%
Operating Margin
7.6%
9.9%
Net Margin
4.7%
4.8%
Revenue YoY
5.6%
31.2%
Net Profit YoY
14.9%
-47.2%
EPS (diluted)
$1.98
$0.55

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
LH
LH
VST
VST
Q4 25
$3.5B
$4.8B
Q3 25
$3.6B
$4.8B
Q2 25
$3.5B
$3.8B
Q1 25
$3.3B
$4.3B
Q4 24
$3.3B
$3.7B
Q3 24
$3.3B
$4.3B
Q2 24
$3.2B
$3.6B
Q1 24
$3.2B
$3.2B
Net Profit
LH
LH
VST
VST
Q4 25
$164.7M
$233.0M
Q3 25
$261.1M
$652.0M
Q2 25
$237.9M
$327.0M
Q1 25
$212.8M
$-268.0M
Q4 24
$143.4M
$441.0M
Q3 24
$169.3M
$1.9B
Q2 24
$205.3M
$365.0M
Q1 24
$228.0M
$-35.0M
Gross Margin
LH
LH
VST
VST
Q4 25
28.2%
Q3 25
28.8%
Q2 25
29.7%
Q1 25
28.3%
Q4 24
26.9%
Q3 24
27.6%
Q2 24
28.8%
Q1 24
28.2%
Operating Margin
LH
LH
VST
VST
Q4 25
7.6%
9.9%
Q3 25
11.1%
21.7%
Q2 25
11.2%
13.7%
Q1 25
9.7%
-2.8%
Q4 24
6.5%
16.4%
Q3 24
7.7%
59.6%
Q2 24
9.2%
22.5%
Q1 24
10.1%
2.7%
Net Margin
LH
LH
VST
VST
Q4 25
4.7%
4.8%
Q3 25
7.3%
13.6%
Q2 25
6.7%
8.7%
Q1 25
6.4%
-6.3%
Q4 24
4.3%
12.0%
Q3 24
5.2%
43.5%
Q2 24
6.4%
10.1%
Q1 24
7.2%
-1.1%
EPS (diluted)
LH
LH
VST
VST
Q4 25
$1.98
$0.55
Q3 25
$3.12
$1.75
Q2 25
$2.84
$0.81
Q1 25
$2.52
$-0.93
Q4 24
$1.72
$1.09
Q3 24
$2.00
$5.25
Q2 24
$2.43
$0.90
Q1 24
$2.69
$-0.24

Balance Sheet & Financial Strength

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

Metric
LH
LH
VST
VST
Cash + ST InvestmentsLiquidity on hand
$532.3M
$785.0M
Total DebtLower is stronger
$15.8B
Stockholders' EquityBook value
$8.6B
$5.1B
Total Assets
$18.4B
$41.5B
Debt / EquityLower = less leverage
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LH
LH
VST
VST
Q4 25
$532.3M
$785.0M
Q3 25
$598.1M
$602.0M
Q2 25
$647.3M
$458.0M
Q1 25
$369.4M
$561.0M
Q4 24
$1.5B
$1.2B
Q3 24
$1.5B
$905.0M
Q2 24
$265.1M
$1.6B
Q1 24
$99.3M
$1.1B
Total Debt
LH
LH
VST
VST
Q4 25
$15.8B
Q3 25
$15.8B
Q2 25
$15.5B
Q1 25
$15.4B
Q4 24
$15.4B
Q3 24
$13.9B
Q2 24
$13.9B
Q1 24
$14.7B
Stockholders' Equity
LH
LH
VST
VST
Q4 25
$8.6B
$5.1B
Q3 25
$8.7B
$5.2B
Q2 25
$8.5B
$4.8B
Q1 25
$8.3B
$4.8B
Q4 24
$8.1B
$5.6B
Q3 24
$8.2B
$5.4B
Q2 24
$8.0B
$5.6B
Q1 24
$8.0B
$5.7B
Total Assets
LH
LH
VST
VST
Q4 25
$18.4B
$41.5B
Q3 25
$18.3B
$38.0B
Q2 25
$18.1B
$38.1B
Q1 25
$17.6B
$38.2B
Q4 24
$18.4B
$37.8B
Q3 24
$18.6B
$37.9B
Q2 24
$16.7B
$39.1B
Q1 24
$16.5B
$38.2B
Debt / Equity
LH
LH
VST
VST
Q4 25
3.11×
Q3 25
3.02×
Q2 25
3.22×
Q1 25
3.20×
Q4 24
2.77×
Q3 24
2.56×
Q2 24
2.49×
Q1 24
2.60×

Cash Flow & Capital Efficiency

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

Metric
LH
LH
VST
VST
Operating Cash FlowLast quarter
$614.2M
$1.4B
Free Cash FlowOCF − Capex
$490.3M
$596.0M
FCF MarginFCF / Revenue
13.9%
12.4%
Capex IntensityCapex / Revenue
3.5%
17.4%
Cash ConversionOCF / Net Profit
3.73×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$1.2B
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LH
LH
VST
VST
Q4 25
$614.2M
$1.4B
Q3 25
$387.2M
$1.5B
Q2 25
$620.6M
$572.0M
Q1 25
$18.5M
$599.0M
Q4 24
$777.2M
$1.4B
Q3 24
$277.3M
$1.7B
Q2 24
$561.1M
$1.2B
Q1 24
$-29.8M
$312.0M
Free Cash Flow
LH
LH
VST
VST
Q4 25
$490.3M
$596.0M
Q3 25
$280.5M
$1.0B
Q2 25
$542.7M
$-118.0M
Q1 25
$-107.5M
$-169.0M
Q4 24
$665.1M
$923.0M
Q3 24
$161.5M
$1.0B
Q2 24
$432.9M
$698.0M
Q1 24
$-163.6M
$-153.0M
FCF Margin
LH
LH
VST
VST
Q4 25
13.9%
12.4%
Q3 25
7.9%
21.1%
Q2 25
15.4%
-3.1%
Q1 25
-3.2%
-4.0%
Q4 24
20.0%
25.2%
Q3 24
4.9%
23.4%
Q2 24
13.4%
19.4%
Q1 24
-5.2%
-4.8%
Capex Intensity
LH
LH
VST
VST
Q4 25
3.5%
17.4%
Q3 25
3.0%
9.6%
Q2 25
2.2%
18.4%
Q1 25
3.8%
18.1%
Q4 24
3.4%
11.7%
Q3 24
3.5%
15.8%
Q2 24
4.0%
13.8%
Q1 24
4.2%
14.7%
Cash Conversion
LH
LH
VST
VST
Q4 25
3.73×
6.15×
Q3 25
1.48×
2.25×
Q2 25
2.61×
1.75×
Q1 25
0.09×
Q4 24
5.42×
3.07×
Q3 24
1.64×
0.90×
Q2 24
2.73×
3.28×
Q1 24
-0.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

LH
LH

Diagnostics$2.7B78%
Biopharma Laboratory Services$793.0M23%

VST
VST

Retail Energy Charge In ERCOT$2.1B43%
Retail Energy Charge In Northeast Midwest$1.2B24%
East Segment$1.1B24%
Hedging Revenue Realized$170.0M4%
Revenue From Other Wholesale Contracts$116.0M2%
Transferable Production Tax Credit Revenues$78.0M2%
West Segment$77.0M2%
Intersegment Sales$25.0M1%

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