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

Ameren is the larger business by last-quarter revenue ($1.8B vs $1.0B, roughly 1.8× Moderna). Ameren runs the higher net margin — 14.2% vs -19.7%, a 33.9% gap on every dollar of revenue. On growth, Ameren posted the faster year-over-year revenue change (-8.2% vs -45.4%). Ameren produced more free cash flow last quarter ($-54.0M vs $-880.0M). Over the past eight quarters, Ameren's revenue compounded faster (-0.9% CAGR vs -45.0%).

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...

Moderna, Inc. is an American pharmaceutical and biotechnology company based in Cambridge, Massachusetts, that focuses on RNA therapeutics, primarily mRNA vaccines. These vaccines use a copy of a molecule called messenger RNA (mRNA) to carry instructions for proteins to produce an immune response. The company's name is derived from the terms "modified", "RNA", and "modern".

AEE vs MRNA — Head-to-Head

Bigger by revenue
AEE
AEE
1.8× larger
AEE
$1.8B
$1.0B
MRNA
Growing faster (revenue YoY)
AEE
AEE
+37.2% gap
AEE
-8.2%
-45.4%
MRNA
Higher net margin
AEE
AEE
33.9% more per $
AEE
14.2%
-19.7%
MRNA
More free cash flow
AEE
AEE
$826.0M more FCF
AEE
$-54.0M
$-880.0M
MRNA
Faster 2-yr revenue CAGR
AEE
AEE
Annualised
AEE
-0.9%
-45.0%
MRNA

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
AEE
AEE
MRNA
MRNA
Revenue
$1.8B
$1.0B
Net Profit
$253.0M
$-200.0M
Gross Margin
79.6%
Operating Margin
20.2%
-25.6%
Net Margin
14.2%
-19.7%
Revenue YoY
-8.2%
-45.4%
Net Profit YoY
21.6%
-1638.5%
EPS (diluted)
$0.92
$-0.51

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
MRNA
MRNA
Q4 25
$1.8B
Q3 25
$2.7B
$1.0B
Q2 25
$2.2B
Q1 25
$2.1B
Q4 24
$1.9B
$966.0M
Q3 24
$2.2B
$1.9B
Q2 24
$1.7B
Q1 24
$1.8B
Net Profit
AEE
AEE
MRNA
MRNA
Q4 25
$253.0M
Q3 25
$641.0M
$-200.0M
Q2 25
$277.0M
Q1 25
$290.0M
Q4 24
$208.0M
$-1.1B
Q3 24
$457.0M
$13.0M
Q2 24
$260.0M
Q1 24
$262.0M
Gross Margin
AEE
AEE
MRNA
MRNA
Q4 25
Q3 25
79.6%
Q2 25
Q1 25
Q4 24
23.5%
Q3 24
72.4%
Q2 24
Q1 24
Operating Margin
AEE
AEE
MRNA
MRNA
Q4 25
20.2%
Q3 25
30.6%
-25.6%
Q2 25
18.5%
Q1 25
20.5%
Q4 24
10.2%
-129.0%
Q3 24
27.0%
-3.8%
Q2 24
21.3%
Q1 24
20.4%
Net Margin
AEE
AEE
MRNA
MRNA
Q4 25
14.2%
Q3 25
23.7%
-19.7%
Q2 25
12.5%
Q1 25
13.8%
Q4 24
10.7%
-115.9%
Q3 24
21.0%
0.7%
Q2 24
15.4%
Q1 24
14.4%
EPS (diluted)
AEE
AEE
MRNA
MRNA
Q4 25
$0.92
Q3 25
$2.35
$-0.51
Q2 25
$1.01
Q1 25
$1.07
Q4 24
$0.77
$-2.91
Q3 24
$1.70
$0.03
Q2 24
$0.97
Q1 24
$0.98

Balance Sheet & Financial Strength

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

Metric
AEE
AEE
MRNA
MRNA
Cash + ST InvestmentsLiquidity on hand
$13.0M
$1.1B
Total DebtLower is stronger
$19.4B
Stockholders' EquityBook value
$13.4B
$9.3B
Total Assets
$48.5B
$12.1B
Debt / EquityLower = less leverage
1.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEE
AEE
MRNA
MRNA
Q4 25
$13.0M
Q3 25
$9.0M
$1.1B
Q2 25
$11.0M
Q1 25
$23.0M
Q4 24
$7.0M
$1.9B
Q3 24
$17.0M
$1.6B
Q2 24
$19.0M
Q1 24
$85.0M
Total Debt
AEE
AEE
MRNA
MRNA
Q4 25
$19.4B
Q3 25
Q2 25
Q1 25
Q4 24
$17.8B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AEE
AEE
MRNA
MRNA
Q4 25
$13.4B
Q3 25
$12.8B
$9.3B
Q2 25
$12.3B
Q1 25
$12.2B
Q4 24
$12.1B
$10.9B
Q3 24
$11.8B
$11.9B
Q2 24
$11.5B
Q1 24
$11.4B
Total Assets
AEE
AEE
MRNA
MRNA
Q4 25
$48.5B
Q3 25
$47.4B
$12.1B
Q2 25
$46.6B
Q1 25
$45.7B
Q4 24
$44.6B
$14.1B
Q3 24
$43.3B
$15.8B
Q2 24
$42.3B
Q1 24
$41.3B
Debt / Equity
AEE
AEE
MRNA
MRNA
Q4 25
1.45×
Q3 25
Q2 25
Q1 25
Q4 24
1.47×
Q3 24
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
MRNA
MRNA
Operating Cash FlowLast quarter
$956.0M
$-847.0M
Free Cash FlowOCF − Capex
$-54.0M
$-880.0M
FCF MarginFCF / Revenue
-3.0%
-86.6%
Capex IntensityCapex / Revenue
56.7%
3.2%
Cash ConversionOCF / Net Profit
3.78×
TTM Free Cash FlowTrailing 4 quarters
$-775.0M
$-1.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEE
AEE
MRNA
MRNA
Q4 25
$956.0M
Q3 25
$1.1B
$-847.0M
Q2 25
$862.0M
Q1 25
$431.0M
Q4 24
$817.0M
$825.0M
Q3 24
$897.0M
$-1.6B
Q2 24
$557.0M
Q1 24
$492.0M
Free Cash Flow
AEE
AEE
MRNA
MRNA
Q4 25
$-54.0M
Q3 25
$116.0M
$-880.0M
Q2 25
$-204.0M
Q1 25
$-633.0M
Q4 24
$-473.0M
$303.0M
Q3 24
$-240.0M
$-1.7B
Q2 24
$-445.0M
Q1 24
$-398.0M
FCF Margin
AEE
AEE
MRNA
MRNA
Q4 25
-3.0%
Q3 25
4.3%
-86.6%
Q2 25
-9.2%
Q1 25
-30.2%
Q4 24
-24.4%
31.4%
Q3 24
-11.0%
-92.2%
Q2 24
-26.3%
Q1 24
-21.9%
Capex Intensity
AEE
AEE
MRNA
MRNA
Q4 25
56.7%
Q3 25
36.6%
3.2%
Q2 25
48.0%
Q1 25
50.7%
Q4 24
66.5%
54.0%
Q3 24
52.3%
8.1%
Q2 24
59.2%
Q1 24
49.0%
Cash Conversion
AEE
AEE
MRNA
MRNA
Q4 25
3.78×
Q3 25
1.72×
Q2 25
3.11×
Q1 25
1.49×
Q4 24
3.93×
Q3 24
1.96×
-120.46×
Q2 24
2.14×
Q1 24
1.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AEE
AEE

Segment breakdown not available.

MRNA
MRNA

COVID19$971.0M96%
Other Revenue$20.0M2%
Grant$14.0M1%
Collaboration Arrangement Including Arrangements With Affiliate$7.0M1%
License And Royalty$2.0M0%

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