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Side-by-side financial comparison of Ameren (AEE) and Rockwell Automation (ROK). Click either name above to swap in a different company.

Rockwell Automation is the larger business by last-quarter revenue ($2.1B vs $1.8B, roughly 1.2× Ameren). Rockwell Automation runs the higher net margin — 14.5% vs 14.2%, a 0.3% gap on every dollar of revenue. On growth, Rockwell Automation posted the faster year-over-year revenue change (11.9% vs -8.2%). Rockwell Automation produced more free cash flow last quarter ($170.0M vs $-54.0M). Over the past eight quarters, Rockwell Automation's revenue compounded faster (-0.5% CAGR vs -0.9%).

Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. It operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution and transmission businesses. It primarily generates electricity through coal, nucle...

Rockwell Automation, Inc. is an American provider of industrial automation and digital transformation technologies headquartered in Milwaukee, Wisconsin. Its brands include Allen-Bradley, FactoryTalk software and LifecycleIQ Services. Rockwell Automation employs approximately 27,000 people and has customers in more than 100 countries worldwide.

AEE vs ROK — Head-to-Head

Bigger by revenue
ROK
ROK
1.2× larger
ROK
$2.1B
$1.8B
AEE
Growing faster (revenue YoY)
ROK
ROK
+20.1% gap
ROK
11.9%
-8.2%
AEE
Higher net margin
ROK
ROK
0.3% more per $
ROK
14.5%
14.2%
AEE
More free cash flow
ROK
ROK
$224.0M more FCF
ROK
$170.0M
$-54.0M
AEE
Faster 2-yr revenue CAGR
ROK
ROK
Annualised
ROK
-0.5%
-0.9%
AEE

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AEE
AEE
ROK
ROK
Revenue
$1.8B
$2.1B
Net Profit
$253.0M
$305.0M
Gross Margin
48.3%
Operating Margin
20.2%
20.7%
Net Margin
14.2%
14.5%
Revenue YoY
-8.2%
11.9%
Net Profit YoY
21.6%
65.8%
EPS (diluted)
$0.92
$2.69

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
AEE
AEE
ROK
ROK
Q4 25
$1.8B
$2.1B
Q3 25
$2.7B
$2.3B
Q2 25
$2.2B
$2.1B
Q1 25
$2.1B
$2.0B
Q4 24
$1.9B
$1.9B
Q3 24
$2.2B
$2.0B
Q2 24
$1.7B
$2.1B
Q1 24
$1.8B
$2.1B
Net Profit
AEE
AEE
ROK
ROK
Q4 25
$253.0M
$305.0M
Q3 25
$641.0M
$138.0M
Q2 25
$277.0M
$295.0M
Q1 25
$290.0M
$252.0M
Q4 24
$208.0M
$184.0M
Q3 24
$457.0M
$239.1M
Q2 24
$260.0M
$232.0M
Q1 24
$262.0M
$266.2M
Gross Margin
AEE
AEE
ROK
ROK
Q4 25
48.3%
Q3 25
69.4%
Q2 25
40.9%
Q1 25
40.5%
Q4 24
38.4%
Q3 24
37.9%
Q2 24
38.8%
Q1 24
39.2%
Operating Margin
AEE
AEE
ROK
ROK
Q4 25
20.2%
20.7%
Q3 25
30.6%
2.7%
Q2 25
18.5%
16.0%
Q1 25
20.5%
14.9%
Q4 24
10.2%
17.1%
Q3 24
27.0%
13.5%
Q2 24
21.3%
12.4%
Q1 24
20.4%
14.6%
Net Margin
AEE
AEE
ROK
ROK
Q4 25
14.2%
14.5%
Q3 25
23.7%
6.0%
Q2 25
12.5%
13.8%
Q1 25
13.8%
12.6%
Q4 24
10.7%
9.8%
Q3 24
21.0%
11.7%
Q2 24
15.4%
11.3%
Q1 24
14.4%
12.5%
EPS (diluted)
AEE
AEE
ROK
ROK
Q4 25
$0.92
$2.69
Q3 25
$2.35
$1.24
Q2 25
$1.01
$2.60
Q1 25
$1.07
$2.22
Q4 24
$0.77
$1.61
Q3 24
$1.70
$2.09
Q2 24
$0.97
$2.02
Q1 24
$0.98
$2.31

Balance Sheet & Financial Strength

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

Metric
AEE
AEE
ROK
ROK
Cash + ST InvestmentsLiquidity on hand
$13.0M
$444.0M
Total DebtLower is stronger
$19.4B
Stockholders' EquityBook value
$13.4B
$3.7B
Total Assets
$48.5B
$11.2B
Debt / EquityLower = less leverage
1.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEE
AEE
ROK
ROK
Q4 25
$13.0M
$444.0M
Q3 25
$9.0M
$468.0M
Q2 25
$11.0M
$495.0M
Q1 25
$23.0M
$456.0M
Q4 24
$7.0M
$477.0M
Q3 24
$17.0M
$471.3M
Q2 24
$19.0M
$407.0M
Q1 24
$85.0M
$470.5M
Total Debt
AEE
AEE
ROK
ROK
Q4 25
$19.4B
Q3 25
$2.6B
Q2 25
Q1 25
Q4 24
$17.8B
Q3 24
$2.6B
Q2 24
Q1 24
Stockholders' Equity
AEE
AEE
ROK
ROK
Q4 25
$13.4B
$3.7B
Q3 25
$12.8B
$3.7B
Q2 25
$12.3B
$3.5B
Q1 25
$12.2B
$3.4B
Q4 24
$12.1B
$3.4B
Q3 24
$11.8B
$3.5B
Q2 24
$11.5B
$3.3B
Q1 24
$11.4B
$3.5B
Total Assets
AEE
AEE
ROK
ROK
Q4 25
$48.5B
$11.2B
Q3 25
$47.4B
$11.2B
Q2 25
$46.6B
$11.2B
Q1 25
$45.7B
$11.0B
Q4 24
$44.6B
$10.9B
Q3 24
$43.3B
$11.2B
Q2 24
$42.3B
$11.2B
Q1 24
$41.3B
$11.4B
Debt / Equity
AEE
AEE
ROK
ROK
Q4 25
1.45×
Q3 25
0.72×
Q2 25
Q1 25
Q4 24
1.47×
Q3 24
0.73×
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
AEE
AEE
ROK
ROK
Operating Cash FlowLast quarter
$956.0M
$234.0M
Free Cash FlowOCF − Capex
$-54.0M
$170.0M
FCF MarginFCF / Revenue
-3.0%
8.1%
Capex IntensityCapex / Revenue
56.7%
3.0%
Cash ConversionOCF / Net Profit
3.78×
0.77×
TTM Free Cash FlowTrailing 4 quarters
$-775.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEE
AEE
ROK
ROK
Q4 25
$956.0M
$234.0M
Q3 25
$1.1B
$454.0M
Q2 25
$862.0M
$527.0M
Q1 25
$431.0M
$199.0M
Q4 24
$817.0M
$364.0M
Q3 24
$897.0M
$432.3M
Q2 24
$557.0M
$279.1M
Q1 24
$492.0M
$119.8M
Free Cash Flow
AEE
AEE
ROK
ROK
Q4 25
$-54.0M
$170.0M
Q3 25
$116.0M
Q2 25
$-204.0M
$489.0M
Q1 25
$-633.0M
$171.0M
Q4 24
$-473.0M
$293.0M
Q3 24
$-240.0M
Q2 24
$-445.0M
$238.4M
Q1 24
$-398.0M
$68.6M
FCF Margin
AEE
AEE
ROK
ROK
Q4 25
-3.0%
8.1%
Q3 25
4.3%
Q2 25
-9.2%
22.8%
Q1 25
-30.2%
8.5%
Q4 24
-24.4%
15.6%
Q3 24
-11.0%
Q2 24
-26.3%
11.6%
Q1 24
-21.9%
3.2%
Capex Intensity
AEE
AEE
ROK
ROK
Q4 25
56.7%
3.0%
Q3 25
36.6%
Q2 25
48.0%
1.8%
Q1 25
50.7%
1.4%
Q4 24
66.5%
3.8%
Q3 24
52.3%
Q2 24
59.2%
2.0%
Q1 24
49.0%
2.4%
Cash Conversion
AEE
AEE
ROK
ROK
Q4 25
3.78×
0.77×
Q3 25
1.72×
3.29×
Q2 25
3.11×
1.79×
Q1 25
1.49×
0.79×
Q4 24
3.93×
1.98×
Q3 24
1.96×
1.81×
Q2 24
2.14×
1.20×
Q1 24
1.88×
0.45×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AEE
AEE

Segment breakdown not available.

ROK
ROK

Productsand Solutions$1.9B89%
Lifecycle Services Segment$259.0M12%

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