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

ICON PLC is the larger business by last-quarter revenue ($2.0B vs $1.8B, roughly 1.1× Ameren). Ameren runs the higher net margin — 14.2% vs 0.1%, a 14.1% gap on every dollar of revenue. On growth, ICON PLC posted the faster year-over-year revenue change (0.6% vs -8.2%). ICON PLC produced more free cash flow last quarter ($333.9M vs $-54.0M). Over the past eight quarters, ICON PLC's revenue compounded faster (0.6% 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...

ICON plc is an Irish headquartered multinational healthcare intelligence and clinical research organisation. As of February 2025 had approximately 41,900 employees in 55 countries.

AEE vs ICLR — Head-to-Head

Bigger by revenue
ICLR
ICLR
1.1× larger
ICLR
$2.0B
$1.8B
AEE
Growing faster (revenue YoY)
ICLR
ICLR
+8.8% gap
ICLR
0.6%
-8.2%
AEE
Higher net margin
AEE
AEE
14.1% more per $
AEE
14.2%
0.1%
ICLR
More free cash flow
ICLR
ICLR
$387.9M more FCF
ICLR
$333.9M
$-54.0M
AEE
Faster 2-yr revenue CAGR
ICLR
ICLR
Annualised
ICLR
0.6%
-0.9%
AEE

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
AEE
AEE
ICLR
ICLR
Revenue
$1.8B
$2.0B
Net Profit
$253.0M
$2.4M
Gross Margin
Operating Margin
20.2%
4.2%
Net Margin
14.2%
0.1%
Revenue YoY
-8.2%
0.6%
Net Profit YoY
21.6%
-98.8%
EPS (diluted)
$0.92
$0.03

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
ICLR
ICLR
Q4 25
$1.8B
Q3 25
$2.7B
$2.0B
Q2 25
$2.2B
$2.0B
Q1 25
$2.1B
$2.0B
Q4 24
$1.9B
Q3 24
$2.2B
$2.0B
Q2 24
$1.7B
$2.1B
Q1 24
$1.8B
$2.1B
Net Profit
AEE
AEE
ICLR
ICLR
Q4 25
$253.0M
Q3 25
$641.0M
$2.4M
Q2 25
$277.0M
$183.0M
Q1 25
$290.0M
$154.2M
Q4 24
$208.0M
Q3 24
$457.0M
$197.1M
Q2 24
$260.0M
$146.9M
Q1 24
$262.0M
$187.4M
Operating Margin
AEE
AEE
ICLR
ICLR
Q4 25
20.2%
Q3 25
30.6%
4.2%
Q2 25
18.5%
10.4%
Q1 25
20.5%
11.0%
Q4 24
10.2%
Q3 24
27.0%
14.1%
Q2 24
21.3%
10.8%
Q1 24
20.4%
13.7%
Net Margin
AEE
AEE
ICLR
ICLR
Q4 25
14.2%
Q3 25
23.7%
0.1%
Q2 25
12.5%
9.1%
Q1 25
13.8%
7.7%
Q4 24
10.7%
Q3 24
21.0%
9.7%
Q2 24
15.4%
6.9%
Q1 24
14.4%
9.0%
EPS (diluted)
AEE
AEE
ICLR
ICLR
Q4 25
$0.92
Q3 25
$2.35
$0.03
Q2 25
$1.01
$2.30
Q1 25
$1.07
$1.90
Q4 24
$0.77
Q3 24
$1.70
$2.36
Q2 24
$0.97
$1.76
Q1 24
$0.98
$2.25

Balance Sheet & Financial Strength

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

Metric
AEE
AEE
ICLR
ICLR
Cash + ST InvestmentsLiquidity on hand
$13.0M
$468.9M
Total DebtLower is stronger
$19.4B
Stockholders' EquityBook value
$13.4B
$9.3B
Total Assets
$48.5B
$16.5B
Debt / EquityLower = less leverage
1.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEE
AEE
ICLR
ICLR
Q4 25
$13.0M
Q3 25
$9.0M
$468.9M
Q2 25
$11.0M
$390.4M
Q1 25
$23.0M
$526.7M
Q4 24
$7.0M
Q3 24
$17.0M
$695.5M
Q2 24
$19.0M
$506.6M
Q1 24
$85.0M
$396.1M
Total Debt
AEE
AEE
ICLR
ICLR
Q4 25
$19.4B
Q3 25
Q2 25
Q1 25
Q4 24
$17.8B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AEE
AEE
ICLR
ICLR
Q4 25
$13.4B
Q3 25
$12.8B
$9.3B
Q2 25
$12.3B
$9.6B
Q1 25
$12.2B
$9.5B
Q4 24
$12.1B
Q3 24
$11.8B
$9.8B
Q2 24
$11.5B
$9.6B
Q1 24
$11.4B
$9.4B
Total Assets
AEE
AEE
ICLR
ICLR
Q4 25
$48.5B
Q3 25
$47.4B
$16.5B
Q2 25
$46.6B
$16.6B
Q1 25
$45.7B
$16.7B
Q4 24
$44.6B
Q3 24
$43.3B
$17.2B
Q2 24
$42.3B
$17.0B
Q1 24
$41.3B
$17.0B
Debt / Equity
AEE
AEE
ICLR
ICLR
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
ICLR
ICLR
Operating Cash FlowLast quarter
$956.0M
$387.6M
Free Cash FlowOCF − Capex
$-54.0M
$333.9M
FCF MarginFCF / Revenue
-3.0%
16.3%
Capex IntensityCapex / Revenue
56.7%
2.6%
Cash ConversionOCF / Net Profit
3.78×
164.59×
TTM Free Cash FlowTrailing 4 quarters
$-775.0M
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEE
AEE
ICLR
ICLR
Q4 25
$956.0M
Q3 25
$1.1B
$387.6M
Q2 25
$862.0M
$146.2M
Q1 25
$431.0M
$268.2M
Q4 24
$817.0M
Q3 24
$897.0M
$402.7M
Q2 24
$557.0M
$218.6M
Q1 24
$492.0M
$327.1M
Free Cash Flow
AEE
AEE
ICLR
ICLR
Q4 25
$-54.0M
Q3 25
$116.0M
$333.9M
Q2 25
$-204.0M
$113.9M
Q1 25
$-633.0M
$239.3M
Q4 24
$-473.0M
Q3 24
$-240.0M
$359.3M
Q2 24
$-445.0M
$182.3M
Q1 24
$-398.0M
$299.9M
FCF Margin
AEE
AEE
ICLR
ICLR
Q4 25
-3.0%
Q3 25
4.3%
16.3%
Q2 25
-9.2%
5.6%
Q1 25
-30.2%
12.0%
Q4 24
-24.4%
Q3 24
-11.0%
17.7%
Q2 24
-26.3%
8.6%
Q1 24
-21.9%
14.3%
Capex Intensity
AEE
AEE
ICLR
ICLR
Q4 25
56.7%
Q3 25
36.6%
2.6%
Q2 25
48.0%
1.6%
Q1 25
50.7%
1.4%
Q4 24
66.5%
Q3 24
52.3%
2.1%
Q2 24
59.2%
1.7%
Q1 24
49.0%
1.3%
Cash Conversion
AEE
AEE
ICLR
ICLR
Q4 25
3.78×
Q3 25
1.72×
164.59×
Q2 25
3.11×
0.80×
Q1 25
1.49×
1.74×
Q4 24
3.93×
Q3 24
1.96×
2.04×
Q2 24
2.14×
1.49×
Q1 24
1.88×
1.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AEE
AEE

Segment breakdown not available.

ICLR
ICLR

Other Customers$681.3M33%
Clients1125$549.4M27%
Clients15$503.3M25%
Clients610$308.8M15%

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