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Side-by-side financial comparison of IQVIA (IQV) 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 $4.4B, roughly 1.1× IQVIA). IQVIA runs the higher net margin — 11.8% vs 4.8%, a 6.9% gap on every dollar of revenue. On growth, Vistra Corp. posted the faster year-over-year revenue change (31.2% vs 10.3%). Vistra Corp. produced more free cash flow last quarter ($596.0M vs $561.0M). Over the past eight quarters, Vistra Corp.'s revenue compounded faster (23.3% CAGR vs 8.1%).

IQVIA Holdings, Inc., headquartered in Durham, North Carolina, is an American company focused on health information technology and clinical research.

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

IQV vs VST — Head-to-Head

Bigger by revenue
VST
VST
1.1× larger
VST
$4.8B
$4.4B
IQV
Growing faster (revenue YoY)
VST
VST
+21.0% gap
VST
31.2%
10.3%
IQV
Higher net margin
IQV
IQV
6.9% more per $
IQV
11.8%
4.8%
VST
More free cash flow
VST
VST
$35.0M more FCF
VST
$596.0M
$561.0M
IQV
Faster 2-yr revenue CAGR
VST
VST
Annualised
VST
23.3%
8.1%
IQV

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IQV
IQV
VST
VST
Revenue
$4.4B
$4.8B
Net Profit
$514.0M
$233.0M
Gross Margin
Operating Margin
14.4%
9.9%
Net Margin
11.8%
4.8%
Revenue YoY
10.3%
31.2%
Net Profit YoY
17.6%
-47.2%
EPS (diluted)
$2.97
$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
IQV
IQV
VST
VST
Q4 25
$4.4B
$4.8B
Q3 25
$4.1B
$4.8B
Q2 25
$4.0B
$3.8B
Q1 25
$3.8B
$4.3B
Q4 24
$4.0B
$3.7B
Q3 24
$3.9B
$4.3B
Q2 24
$3.8B
$3.6B
Q1 24
$3.7B
$3.2B
Net Profit
IQV
IQV
VST
VST
Q4 25
$514.0M
$233.0M
Q3 25
$331.0M
$652.0M
Q2 25
$266.0M
$327.0M
Q1 25
$249.0M
$-268.0M
Q4 24
$437.0M
$441.0M
Q3 24
$285.0M
$1.9B
Q2 24
$363.0M
$365.0M
Q1 24
$288.0M
$-35.0M
Gross Margin
IQV
IQV
VST
VST
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
23.5%
Q2 24
22.6%
Q1 24
22.1%
Operating Margin
IQV
IQV
VST
VST
Q4 25
14.4%
9.9%
Q3 25
13.5%
21.7%
Q2 25
12.6%
13.7%
Q1 25
13.0%
-2.8%
Q4 24
15.8%
16.4%
Q3 24
14.1%
59.6%
Q2 24
13.6%
22.5%
Q1 24
13.5%
2.7%
Net Margin
IQV
IQV
VST
VST
Q4 25
11.8%
4.8%
Q3 25
8.1%
13.6%
Q2 25
6.6%
8.7%
Q1 25
6.5%
-6.3%
Q4 24
11.0%
12.0%
Q3 24
7.3%
43.5%
Q2 24
9.5%
10.1%
Q1 24
7.7%
-1.1%
EPS (diluted)
IQV
IQV
VST
VST
Q4 25
$2.97
$0.55
Q3 25
$1.93
$1.75
Q2 25
$1.54
$0.81
Q1 25
$1.40
$-0.93
Q4 24
$2.41
$1.09
Q3 24
$1.55
$5.25
Q2 24
$1.97
$0.90
Q1 24
$1.56
$-0.24

Balance Sheet & Financial Strength

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

Metric
IQV
IQV
VST
VST
Cash + ST InvestmentsLiquidity on hand
$2.1B
$785.0M
Total DebtLower is stronger
$15.8B
Stockholders' EquityBook value
$6.5B
$5.1B
Total Assets
$29.9B
$41.5B
Debt / EquityLower = less leverage
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IQV
IQV
VST
VST
Q4 25
$2.1B
$785.0M
Q3 25
$2.0B
$602.0M
Q2 25
$2.2B
$458.0M
Q1 25
$1.9B
$561.0M
Q4 24
$1.8B
$1.2B
Q3 24
$1.7B
$905.0M
Q2 24
$1.7B
$1.6B
Q1 24
$1.6B
$1.1B
Total Debt
IQV
IQV
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
IQV
IQV
VST
VST
Q4 25
$6.5B
$5.1B
Q3 25
$6.2B
$5.2B
Q2 25
$5.8B
$4.8B
Q1 25
$6.0B
$4.8B
Q4 24
$6.1B
$5.6B
Q3 24
$7.0B
$5.4B
Q2 24
$6.7B
$5.6B
Q1 24
$6.3B
$5.7B
Total Assets
IQV
IQV
VST
VST
Q4 25
$29.9B
$41.5B
Q3 25
$28.7B
$38.0B
Q2 25
$28.6B
$38.1B
Q1 25
$27.3B
$38.2B
Q4 24
$26.9B
$37.8B
Q3 24
$27.2B
$37.9B
Q2 24
$26.4B
$39.1B
Q1 24
$26.6B
$38.2B
Debt / Equity
IQV
IQV
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
IQV
IQV
VST
VST
Operating Cash FlowLast quarter
$735.0M
$1.4B
Free Cash FlowOCF − Capex
$561.0M
$596.0M
FCF MarginFCF / Revenue
12.9%
12.4%
Capex IntensityCapex / Revenue
4.0%
17.4%
Cash ConversionOCF / Net Profit
1.43×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IQV
IQV
VST
VST
Q4 25
$735.0M
$1.4B
Q3 25
$908.0M
$1.5B
Q2 25
$443.0M
$572.0M
Q1 25
$568.0M
$599.0M
Q4 24
$885.0M
$1.4B
Q3 24
$721.0M
$1.7B
Q2 24
$588.0M
$1.2B
Q1 24
$522.0M
$312.0M
Free Cash Flow
IQV
IQV
VST
VST
Q4 25
$561.0M
$596.0M
Q3 25
$772.0M
$1.0B
Q2 25
$292.0M
$-118.0M
Q1 25
$426.0M
$-169.0M
Q4 24
$721.0M
$923.0M
Q3 24
$571.0M
$1.0B
Q2 24
$445.0M
$698.0M
Q1 24
$377.0M
$-153.0M
FCF Margin
IQV
IQV
VST
VST
Q4 25
12.9%
12.4%
Q3 25
18.8%
21.1%
Q2 25
7.3%
-3.1%
Q1 25
11.1%
-4.0%
Q4 24
18.2%
25.2%
Q3 24
14.7%
23.4%
Q2 24
11.7%
19.4%
Q1 24
10.1%
-4.8%
Capex Intensity
IQV
IQV
VST
VST
Q4 25
4.0%
17.4%
Q3 25
3.3%
9.6%
Q2 25
3.8%
18.4%
Q1 25
3.7%
18.1%
Q4 24
4.1%
11.7%
Q3 24
3.9%
15.8%
Q2 24
3.7%
13.8%
Q1 24
3.9%
14.7%
Cash Conversion
IQV
IQV
VST
VST
Q4 25
1.43×
6.15×
Q3 25
2.74×
2.25×
Q2 25
1.67×
1.75×
Q1 25
2.28×
Q4 24
2.03×
3.07×
Q3 24
2.53×
0.90×
Q2 24
1.62×
3.28×
Q1 24
1.81×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IQV
IQV

Segment breakdown not available.

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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