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Side-by-side financial comparison of Fresenius Medical Care AG (FMS) and Williams Companies (WMB). Click either name above to swap in a different company.

Fresenius Medical Care AG is the larger business by last-quarter revenue ($5.5B vs $3.8B, roughly 1.4× Williams Companies). Williams Companies runs the higher net margin — 19.1% vs 7.9%, a 11.2% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs -0.3%).

Fresenius Medical Care AG & Co. KGaA is a German healthcare company which provides kidney dialysis services through a network of 4,171 outpatient dialysis centers, serving 345,425 patients. The company primarily treats end-stage renal disease (ESRD), which requires patients to undergo dialysis 3 times per week for the rest of their lives.

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.

FMS vs WMB — Head-to-Head

Bigger by revenue
FMS
FMS
1.4× larger
FMS
$5.5B
$3.8B
WMB
Growing faster (revenue YoY)
WMB
WMB
+13.0% gap
WMB
12.7%
-0.3%
FMS
Higher net margin
WMB
WMB
11.2% more per $
WMB
19.1%
7.9%
FMS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FMS
FMS
WMB
WMB
Revenue
$5.5B
$3.8B
Net Profit
$434.2M
$734.0M
Gross Margin
27.4%
Operating Margin
11.7%
27.3%
Net Margin
7.9%
19.1%
Revenue YoY
-0.3%
12.7%
Net Profit YoY
240.4%
51.0%
EPS (diluted)
$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
FMS
FMS
WMB
WMB
Q4 25
$5.5B
$3.8B
Q3 25
$3.5B
Q2 25
$3.4B
Q1 25
$4.2B
Q4 24
$5.5B
$3.4B
Q3 24
$3.0B
Q2 24
$2.8B
Q1 24
$3.3B
Net Profit
FMS
FMS
WMB
WMB
Q4 25
$434.2M
$734.0M
Q3 25
$647.0M
Q2 25
$546.0M
Q1 25
$691.0M
Q4 24
$127.6M
$486.0M
Q3 24
$706.0M
Q2 24
$401.0M
Q1 24
$632.0M
Gross Margin
FMS
FMS
WMB
WMB
Q4 25
27.4%
Q3 25
Q2 25
Q1 25
Q4 24
25.0%
Q3 24
Q2 24
Q1 24
Operating Margin
FMS
FMS
WMB
WMB
Q4 25
11.7%
27.3%
Q3 25
31.8%
Q2 25
28.0%
Q1 25
26.1%
Q4 24
5.1%
23.2%
Q3 24
27.6%
Q2 24
24.4%
Q1 24
30.3%
Net Margin
FMS
FMS
WMB
WMB
Q4 25
7.9%
19.1%
Q3 25
18.5%
Q2 25
16.2%
Q1 25
16.5%
Q4 24
2.3%
14.2%
Q3 24
23.3%
Q2 24
14.1%
Q1 24
18.9%
EPS (diluted)
FMS
FMS
WMB
WMB
Q4 25
$0.60
Q3 25
$0.53
Q2 25
$0.45
Q1 25
$0.56
Q4 24
$0.39
Q3 24
$0.58
Q2 24
$0.33
Q1 24
$0.52

Balance Sheet & Financial Strength

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

Metric
FMS
FMS
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$1.7B
Total DebtLower is stronger
$27.3B
Stockholders' EquityBook value
$15.4B
$12.8B
Total Assets
$33.5B
$58.6B
Debt / EquityLower = less leverage
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FMS
FMS
WMB
WMB
Q4 25
$1.7B
Q3 25
Q2 25
Q1 25
Q4 24
$1.3B
Q3 24
Q2 24
Q1 24
Total Debt
FMS
FMS
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
FMS
FMS
WMB
WMB
Q4 25
$15.4B
$12.8B
Q3 25
$12.5B
Q2 25
$12.4B
Q1 25
$12.5B
Q4 24
$17.0B
$12.4B
Q3 24
$12.4B
Q2 24
$12.3B
Q1 24
$12.4B
Total Assets
FMS
FMS
WMB
WMB
Q4 25
$33.5B
$58.6B
Q3 25
$55.7B
Q2 25
$56.1B
Q1 25
$54.9B
Q4 24
$36.3B
$54.5B
Q3 24
$53.8B
Q2 24
$52.4B
Q1 24
$52.7B
Debt / Equity
FMS
FMS
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
FMS
FMS
WMB
WMB
Operating Cash FlowLast quarter
$2.9B
$1.6B
Free Cash FlowOCF − Capex
$-379.0M
FCF MarginFCF / Revenue
-9.9%
Capex IntensityCapex / Revenue
50.9%
Cash ConversionOCF / Net Profit
6.67×
2.15×
TTM Free Cash FlowTrailing 4 quarters
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FMS
FMS
WMB
WMB
Q4 25
$2.9B
$1.6B
Q3 25
$1.4B
Q2 25
$1.4B
Q1 25
$1.4B
Q4 24
$2.6B
$1.2B
Q3 24
$1.2B
Q2 24
$1.3B
Q1 24
$1.2B
Free Cash Flow
FMS
FMS
WMB
WMB
Q4 25
$-379.0M
Q3 25
$485.0M
Q2 25
$478.0M
Q1 25
$421.0M
Q4 24
$450.0M
Q3 24
$561.0M
Q2 24
$700.0M
Q1 24
$690.0M
FCF Margin
FMS
FMS
WMB
WMB
Q4 25
-9.9%
Q3 25
13.9%
Q2 25
14.2%
Q1 25
10.1%
Q4 24
13.2%
Q3 24
18.5%
Q2 24
24.6%
Q1 24
20.7%
Capex Intensity
FMS
FMS
WMB
WMB
Q4 25
50.9%
Q3 25
27.3%
Q2 25
28.8%
Q1 25
24.2%
Q4 24
22.5%
Q3 24
22.5%
Q2 24
20.3%
Q1 24
16.3%
Cash Conversion
FMS
FMS
WMB
WMB
Q4 25
6.67×
2.15×
Q3 25
2.22×
Q2 25
2.66×
Q1 25
2.07×
Q4 24
20.20×
2.51×
Q3 24
1.76×
Q2 24
3.19×
Q1 24
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FMS
FMS

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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