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

KeyCorp is the larger business by last-quarter revenue ($2.0B vs $1.8B, roughly 1.1× Ameren). KeyCorp runs the higher net margin — 25.4% vs 14.2%, a 11.2% gap on every dollar of revenue. On growth, KeyCorp posted the faster year-over-year revenue change (131.8% vs -8.2%). KeyCorp produced more free cash flow last quarter ($2.1B vs $-54.0M). Over the past eight quarters, KeyCorp's revenue compounded faster (14.4% 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...

Key is a Japanese visual novel studio known for making dramatic and plot-oriented titles. It was formed on July 21, 1998, as a brand under the publisher Visual Arts, and is located in Kita, Osaka.

AEE vs KEY — Head-to-Head

Bigger by revenue
KEY
KEY
1.1× larger
KEY
$2.0B
$1.8B
AEE
Growing faster (revenue YoY)
KEY
KEY
+140.0% gap
KEY
131.8%
-8.2%
AEE
Higher net margin
KEY
KEY
11.2% more per $
KEY
25.4%
14.2%
AEE
More free cash flow
KEY
KEY
$2.2B more FCF
KEY
$2.1B
$-54.0M
AEE
Faster 2-yr revenue CAGR
KEY
KEY
Annualised
KEY
14.4%
-0.9%
AEE

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AEE
AEE
KEY
KEY
Revenue
$1.8B
$2.0B
Net Profit
$253.0M
$510.0M
Gross Margin
Operating Margin
20.2%
32.3%
Net Margin
14.2%
25.4%
Revenue YoY
-8.2%
131.8%
Net Profit YoY
21.6%
309.0%
EPS (diluted)
$0.92
$0.43

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
KEY
KEY
Q4 25
$1.8B
$2.0B
Q3 25
$2.7B
$1.9B
Q2 25
$2.2B
$1.8B
Q1 25
$2.1B
$1.8B
Q4 24
$1.9B
$865.0M
Q3 24
$2.2B
$695.0M
Q2 24
$1.7B
$1.5B
Q1 24
$1.8B
$1.5B
Net Profit
AEE
AEE
KEY
KEY
Q4 25
$253.0M
$510.0M
Q3 25
$641.0M
$489.0M
Q2 25
$277.0M
$425.0M
Q1 25
$290.0M
$405.0M
Q4 24
$208.0M
$-244.0M
Q3 24
$457.0M
$-410.0M
Q2 24
$260.0M
$274.0M
Q1 24
$262.0M
$219.0M
Operating Margin
AEE
AEE
KEY
KEY
Q4 25
20.2%
32.3%
Q3 25
30.6%
31.8%
Q2 25
18.5%
29.3%
Q1 25
20.5%
29.0%
Q4 24
10.2%
-92.6%
Q3 24
27.0%
-72.8%
Q2 24
21.3%
22.0%
Q1 24
20.4%
18.1%
Net Margin
AEE
AEE
KEY
KEY
Q4 25
14.2%
25.4%
Q3 25
23.7%
25.8%
Q2 25
12.5%
23.1%
Q1 25
13.8%
22.8%
Q4 24
10.7%
-54.7%
Q3 24
21.0%
-59.0%
Q2 24
15.4%
18.0%
Q1 24
14.4%
14.3%
EPS (diluted)
AEE
AEE
KEY
KEY
Q4 25
$0.92
$0.43
Q3 25
$2.35
$0.41
Q2 25
$1.01
$0.35
Q1 25
$1.07
$0.33
Q4 24
$0.77
$-0.30
Q3 24
$1.70
$-0.47
Q2 24
$0.97
$0.25
Q1 24
$0.98
$0.20

Balance Sheet & Financial Strength

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

Metric
AEE
AEE
KEY
KEY
Cash + ST InvestmentsLiquidity on hand
$13.0M
$10.2B
Total DebtLower is stronger
$19.4B
$9.9B
Stockholders' EquityBook value
$13.4B
$20.4B
Total Assets
$48.5B
$184.4B
Debt / EquityLower = less leverage
1.45×
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEE
AEE
KEY
KEY
Q4 25
$13.0M
$10.2B
Q3 25
$9.0M
$13.3B
Q2 25
$11.0M
$11.6B
Q1 25
$23.0M
$15.3B
Q4 24
$7.0M
$17.5B
Q3 24
$17.0M
$22.8B
Q2 24
$19.0M
$15.5B
Q1 24
$85.0M
$13.2B
Total Debt
AEE
AEE
KEY
KEY
Q4 25
$19.4B
$9.9B
Q3 25
$10.9B
Q2 25
$12.1B
Q1 25
$12.4B
Q4 24
$17.8B
$12.1B
Q3 24
$15.7B
Q2 24
$16.9B
Q1 24
$20.8B
Stockholders' Equity
AEE
AEE
KEY
KEY
Q4 25
$13.4B
$20.4B
Q3 25
$12.8B
$20.1B
Q2 25
$12.3B
$19.5B
Q1 25
$12.2B
$19.0B
Q4 24
$12.1B
$18.2B
Q3 24
$11.8B
$16.9B
Q2 24
$11.5B
$14.8B
Q1 24
$11.4B
$14.5B
Total Assets
AEE
AEE
KEY
KEY
Q4 25
$48.5B
$184.4B
Q3 25
$47.4B
$187.4B
Q2 25
$46.6B
$185.5B
Q1 25
$45.7B
$188.7B
Q4 24
$44.6B
$187.2B
Q3 24
$43.3B
$189.8B
Q2 24
$42.3B
$187.4B
Q1 24
$41.3B
$187.5B
Debt / Equity
AEE
AEE
KEY
KEY
Q4 25
1.45×
0.49×
Q3 25
0.54×
Q2 25
0.62×
Q1 25
0.65×
Q4 24
1.47×
0.67×
Q3 24
0.93×
Q2 24
1.14×
Q1 24
1.43×

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
KEY
KEY
Operating Cash FlowLast quarter
$956.0M
$2.2B
Free Cash FlowOCF − Capex
$-54.0M
$2.1B
FCF MarginFCF / Revenue
-3.0%
104.8%
Capex IntensityCapex / Revenue
56.7%
5.3%
Cash ConversionOCF / Net Profit
3.78×
4.33×
TTM Free Cash FlowTrailing 4 quarters
$-775.0M
$3.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEE
AEE
KEY
KEY
Q4 25
$956.0M
$2.2B
Q3 25
$1.1B
$396.0M
Q2 25
$862.0M
$1.2B
Q1 25
$431.0M
$-140.0M
Q4 24
$817.0M
$664.0M
Q3 24
$897.0M
$-1.2B
Q2 24
$557.0M
$-217.0M
Q1 24
$492.0M
$359.0M
Free Cash Flow
AEE
AEE
KEY
KEY
Q4 25
$-54.0M
$2.1B
Q3 25
$116.0M
$367.0M
Q2 25
$-204.0M
$1.2B
Q1 25
$-633.0M
$-150.0M
Q4 24
$-473.0M
$599.0M
Q3 24
$-240.0M
$-1.2B
Q2 24
$-445.0M
$-230.0M
Q1 24
$-398.0M
$347.0M
FCF Margin
AEE
AEE
KEY
KEY
Q4 25
-3.0%
104.8%
Q3 25
4.3%
19.4%
Q2 25
-9.2%
65.8%
Q1 25
-30.2%
-8.5%
Q4 24
-24.4%
69.2%
Q3 24
-11.0%
-175.8%
Q2 24
-26.3%
-15.1%
Q1 24
-21.9%
22.6%
Capex Intensity
AEE
AEE
KEY
KEY
Q4 25
56.7%
5.3%
Q3 25
36.6%
1.5%
Q2 25
48.0%
1.3%
Q1 25
50.7%
0.6%
Q4 24
66.5%
7.5%
Q3 24
52.3%
2.4%
Q2 24
59.2%
0.9%
Q1 24
49.0%
0.8%
Cash Conversion
AEE
AEE
KEY
KEY
Q4 25
3.78×
4.33×
Q3 25
1.72×
0.81×
Q2 25
3.11×
2.90×
Q1 25
1.49×
-0.35×
Q4 24
3.93×
Q3 24
1.96×
Q2 24
2.14×
-0.79×
Q1 24
1.88×
1.64×

Financial Flow Comparison

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

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