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Side-by-side financial comparison of IQVIA (IQV) and Williams Companies (WMB). Click either name above to swap in a different company.

IQVIA is the larger business by last-quarter revenue ($4.4B vs $3.8B, roughly 1.1× Williams Companies). Williams Companies runs the higher net margin — 19.1% vs 11.8%, a 7.3% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs 10.3%). IQVIA produced more free cash flow last quarter ($561.0M vs $-379.0M). Over the past eight quarters, IQVIA's revenue compounded faster (8.1% CAGR vs 7.3%).

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

The Williams Companies, Inc. is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets. A Fortune 500 company, its common stock is a component of the S&P 500.

IQV vs WMB — Head-to-Head

Bigger by revenue
IQV
IQV
1.1× larger
IQV
$4.4B
$3.8B
WMB
Growing faster (revenue YoY)
WMB
WMB
+2.4% gap
WMB
12.7%
10.3%
IQV
Higher net margin
WMB
WMB
7.3% more per $
WMB
19.1%
11.8%
IQV
More free cash flow
IQV
IQV
$940.0M more FCF
IQV
$561.0M
$-379.0M
WMB
Faster 2-yr revenue CAGR
IQV
IQV
Annualised
IQV
8.1%
7.3%
WMB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IQV
IQV
WMB
WMB
Revenue
$4.4B
$3.8B
Net Profit
$514.0M
$734.0M
Gross Margin
Operating Margin
14.4%
27.3%
Net Margin
11.8%
19.1%
Revenue YoY
10.3%
12.7%
Net Profit YoY
17.6%
51.0%
EPS (diluted)
$2.97
$0.60

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
WMB
WMB
Q4 25
$4.4B
$3.8B
Q3 25
$4.1B
$3.5B
Q2 25
$4.0B
$3.4B
Q1 25
$3.8B
$4.2B
Q4 24
$4.0B
$3.4B
Q3 24
$3.9B
$3.0B
Q2 24
$3.8B
$2.8B
Q1 24
$3.7B
$3.3B
Net Profit
IQV
IQV
WMB
WMB
Q4 25
$514.0M
$734.0M
Q3 25
$331.0M
$647.0M
Q2 25
$266.0M
$546.0M
Q1 25
$249.0M
$691.0M
Q4 24
$437.0M
$486.0M
Q3 24
$285.0M
$706.0M
Q2 24
$363.0M
$401.0M
Q1 24
$288.0M
$632.0M
Gross Margin
IQV
IQV
WMB
WMB
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
WMB
WMB
Q4 25
14.4%
27.3%
Q3 25
13.5%
31.8%
Q2 25
12.6%
28.0%
Q1 25
13.0%
26.1%
Q4 24
15.8%
23.2%
Q3 24
14.1%
27.6%
Q2 24
13.6%
24.4%
Q1 24
13.5%
30.3%
Net Margin
IQV
IQV
WMB
WMB
Q4 25
11.8%
19.1%
Q3 25
8.1%
18.5%
Q2 25
6.6%
16.2%
Q1 25
6.5%
16.5%
Q4 24
11.0%
14.2%
Q3 24
7.3%
23.3%
Q2 24
9.5%
14.1%
Q1 24
7.7%
18.9%
EPS (diluted)
IQV
IQV
WMB
WMB
Q4 25
$2.97
$0.60
Q3 25
$1.93
$0.53
Q2 25
$1.54
$0.45
Q1 25
$1.40
$0.56
Q4 24
$2.41
$0.39
Q3 24
$1.55
$0.58
Q2 24
$1.97
$0.33
Q1 24
$1.56
$0.52

Balance Sheet & Financial Strength

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

Metric
IQV
IQV
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$2.1B
Total DebtLower is stronger
$27.3B
Stockholders' EquityBook value
$6.5B
$12.8B
Total Assets
$29.9B
$58.6B
Debt / EquityLower = less leverage
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IQV
IQV
WMB
WMB
Q4 25
$2.1B
Q3 25
$2.0B
Q2 25
$2.2B
Q1 25
$1.9B
Q4 24
$1.8B
Q3 24
$1.7B
Q2 24
$1.7B
Q1 24
$1.6B
Total Debt
IQV
IQV
WMB
WMB
Q4 25
$27.3B
Q3 25
$25.6B
Q2 25
$25.6B
Q1 25
$24.1B
Q4 24
$24.7B
Q3 24
$24.8B
Q2 24
$24.1B
Q1 24
$24.1B
Stockholders' Equity
IQV
IQV
WMB
WMB
Q4 25
$6.5B
$12.8B
Q3 25
$6.2B
$12.5B
Q2 25
$5.8B
$12.4B
Q1 25
$6.0B
$12.5B
Q4 24
$6.1B
$12.4B
Q3 24
$7.0B
$12.4B
Q2 24
$6.7B
$12.3B
Q1 24
$6.3B
$12.4B
Total Assets
IQV
IQV
WMB
WMB
Q4 25
$29.9B
$58.6B
Q3 25
$28.7B
$55.7B
Q2 25
$28.6B
$56.1B
Q1 25
$27.3B
$54.9B
Q4 24
$26.9B
$54.5B
Q3 24
$27.2B
$53.8B
Q2 24
$26.4B
$52.4B
Q1 24
$26.6B
$52.7B
Debt / Equity
IQV
IQV
WMB
WMB
Q4 25
2.13×
Q3 25
2.04×
Q2 25
2.06×
Q1 25
1.93×
Q4 24
1.99×
Q3 24
2.00×
Q2 24
1.96×
Q1 24
1.94×

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
WMB
WMB
Operating Cash FlowLast quarter
$735.0M
$1.6B
Free Cash FlowOCF − Capex
$561.0M
$-379.0M
FCF MarginFCF / Revenue
12.9%
-9.9%
Capex IntensityCapex / Revenue
4.0%
50.9%
Cash ConversionOCF / Net Profit
1.43×
2.15×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IQV
IQV
WMB
WMB
Q4 25
$735.0M
$1.6B
Q3 25
$908.0M
$1.4B
Q2 25
$443.0M
$1.4B
Q1 25
$568.0M
$1.4B
Q4 24
$885.0M
$1.2B
Q3 24
$721.0M
$1.2B
Q2 24
$588.0M
$1.3B
Q1 24
$522.0M
$1.2B
Free Cash Flow
IQV
IQV
WMB
WMB
Q4 25
$561.0M
$-379.0M
Q3 25
$772.0M
$485.0M
Q2 25
$292.0M
$478.0M
Q1 25
$426.0M
$421.0M
Q4 24
$721.0M
$450.0M
Q3 24
$571.0M
$561.0M
Q2 24
$445.0M
$700.0M
Q1 24
$377.0M
$690.0M
FCF Margin
IQV
IQV
WMB
WMB
Q4 25
12.9%
-9.9%
Q3 25
18.8%
13.9%
Q2 25
7.3%
14.2%
Q1 25
11.1%
10.1%
Q4 24
18.2%
13.2%
Q3 24
14.7%
18.5%
Q2 24
11.7%
24.6%
Q1 24
10.1%
20.7%
Capex Intensity
IQV
IQV
WMB
WMB
Q4 25
4.0%
50.9%
Q3 25
3.3%
27.3%
Q2 25
3.8%
28.8%
Q1 25
3.7%
24.2%
Q4 24
4.1%
22.5%
Q3 24
3.9%
22.5%
Q2 24
3.7%
20.3%
Q1 24
3.9%
16.3%
Cash Conversion
IQV
IQV
WMB
WMB
Q4 25
1.43×
2.15×
Q3 25
2.74×
2.22×
Q2 25
1.67×
2.66×
Q1 25
2.28×
2.07×
Q4 24
2.03×
2.51×
Q3 24
2.53×
1.76×
Q2 24
1.62×
3.19×
Q1 24
1.81×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IQV
IQV

Segment breakdown not available.

WMB
WMB

Services$2.2B57%
Natural Gas Us Regulated$740.0M19%
West$730.0M19%
Non Regulated Service Commodity Consideration$51.0M1%
Natural Gas Gathering Transportation Marketing And Processing$45.0M1%
Affiliated Entity$23.0M1%
Other$14.0M0%
Other Service$11.0M0%

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