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Side-by-side financial comparison of Arthur J. Gallagher & Co. (AJG) and Vistra Corp. (VST). Click either name above to swap in a different company.

Vistra Corp. is the larger business by last-quarter revenue ($4.8B vs $3.6B, roughly 1.3× Arthur J. Gallagher & Co.). Vistra Corp. runs the higher net margin — 4.8% vs 4.2%, a 0.7% gap on every dollar of revenue. On growth, Arthur J. Gallagher & Co. posted the faster year-over-year revenue change (33.6% vs 31.2%). Arthur J. Gallagher & Co. produced more free cash flow last quarter ($713.4M vs $596.0M). Over the past eight quarters, Vistra Corp.'s revenue compounded faster (23.3% CAGR vs 5.5%).

Arthur J. Gallagher & Co. (Gallagher) is an American insurance brokerage and risk management services company based in Rolling Meadows, Illinois, a suburb of Chicago. The company provides insurance brokerage and risk management services, which primarily includes processing of workers compensation and automobile insurance claims via the company's adjusters.

Vistra may refer to either of two companies:Vistra, a corporate services company based in Hong Kong Vistra Corp, an energy company based in Texas

AJG vs VST — Head-to-Head

Bigger by revenue
VST
VST
1.3× larger
VST
$4.8B
$3.6B
AJG
Growing faster (revenue YoY)
AJG
AJG
+2.4% gap
AJG
33.6%
31.2%
VST
Higher net margin
VST
VST
0.7% more per $
VST
4.8%
4.2%
AJG
More free cash flow
AJG
AJG
$117.4M more FCF
AJG
$713.4M
$596.0M
VST
Faster 2-yr revenue CAGR
VST
VST
Annualised
VST
23.3%
5.5%
AJG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AJG
AJG
VST
VST
Revenue
$3.6B
$4.8B
Net Profit
$151.1M
$233.0M
Gross Margin
Operating Margin
5.0%
9.9%
Net Margin
4.2%
4.8%
Revenue YoY
33.6%
31.2%
Net Profit YoY
-41.5%
-47.2%
EPS (diluted)
$0.58
$0.55

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
AJG
AJG
VST
VST
Q4 25
$3.6B
$4.8B
Q3 25
$3.4B
$4.8B
Q2 25
$3.2B
$3.8B
Q1 25
$3.7B
$4.3B
Q4 24
$2.7B
$3.7B
Q3 24
$2.8B
$4.3B
Q2 24
$2.8B
$3.6B
Q1 24
$3.3B
$3.2B
Net Profit
AJG
AJG
VST
VST
Q4 25
$151.1M
$233.0M
Q3 25
$272.7M
$652.0M
Q2 25
$365.8M
$327.0M
Q1 25
$704.4M
$-268.0M
Q4 24
$258.3M
$441.0M
Q3 24
$312.6M
$1.9B
Q2 24
$283.4M
$365.0M
Q1 24
$608.4M
$-35.0M
Operating Margin
AJG
AJG
VST
VST
Q4 25
5.0%
9.9%
Q3 25
10.3%
21.7%
Q2 25
14.6%
13.7%
Q1 25
23.4%
-2.8%
Q4 24
12.3%
16.4%
Q3 24
14.4%
59.6%
Q2 24
13.2%
22.5%
Q1 24
23.7%
2.7%
Net Margin
AJG
AJG
VST
VST
Q4 25
4.2%
4.8%
Q3 25
8.1%
13.6%
Q2 25
11.4%
8.7%
Q1 25
18.9%
-6.3%
Q4 24
9.5%
12.0%
Q3 24
11.1%
43.5%
Q2 24
10.2%
10.1%
Q1 24
18.7%
-1.1%
EPS (diluted)
AJG
AJG
VST
VST
Q4 25
$0.58
$0.55
Q3 25
$1.04
$1.75
Q2 25
$1.40
$0.81
Q1 25
$2.72
$-0.93
Q4 24
$1.10
$1.09
Q3 24
$1.39
$5.25
Q2 24
$1.27
$0.90
Q1 24
$2.74
$-0.24

Balance Sheet & Financial Strength

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

Metric
AJG
AJG
VST
VST
Cash + ST InvestmentsLiquidity on hand
$785.0M
Total DebtLower is stronger
$12.9B
$15.8B
Stockholders' EquityBook value
$23.3B
$5.1B
Total Assets
$70.7B
$41.5B
Debt / EquityLower = less leverage
0.55×
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AJG
AJG
VST
VST
Q4 25
$785.0M
Q3 25
$602.0M
Q2 25
$458.0M
Q1 25
$561.0M
Q4 24
$1.2B
Q3 24
$905.0M
Q2 24
$1.6B
Q1 24
$1.1B
Total Debt
AJG
AJG
VST
VST
Q4 25
$12.9B
$15.8B
Q3 25
$15.8B
Q2 25
$15.5B
Q1 25
$15.4B
Q4 24
$23.0M
$15.4B
Q3 24
$13.9B
Q2 24
$13.9B
Q1 24
$14.7B
Stockholders' Equity
AJG
AJG
VST
VST
Q4 25
$23.3B
$5.1B
Q3 25
$23.2B
$5.2B
Q2 25
$23.0B
$4.8B
Q1 25
$22.3B
$4.8B
Q4 24
$20.2B
$5.6B
Q3 24
$12.2B
$5.4B
Q2 24
$11.6B
$5.6B
Q1 24
$11.3B
$5.7B
Total Assets
AJG
AJG
VST
VST
Q4 25
$70.7B
$41.5B
Q3 25
$79.1B
$38.0B
Q2 25
$80.1B
$38.1B
Q1 25
$74.1B
$38.2B
Q4 24
$64.3B
$37.8B
Q3 24
$57.2B
$37.9B
Q2 24
$63.0B
$39.1B
Q1 24
$61.0B
$38.2B
Debt / Equity
AJG
AJG
VST
VST
Q4 25
0.55×
3.11×
Q3 25
3.02×
Q2 25
3.22×
Q1 25
3.20×
Q4 24
0.00×
2.77×
Q3 24
2.56×
Q2 24
2.49×
Q1 24
2.60×

Cash Flow & Capital Efficiency

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

Metric
AJG
AJG
VST
VST
Operating Cash FlowLast quarter
$753.0M
$1.4B
Free Cash FlowOCF − Capex
$713.4M
$596.0M
FCF MarginFCF / Revenue
19.7%
12.4%
Capex IntensityCapex / Revenue
1.1%
17.4%
Cash ConversionOCF / Net Profit
4.98×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$1.8B
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AJG
AJG
VST
VST
Q4 25
$753.0M
$1.4B
Q3 25
$731.3M
$1.5B
Q2 25
$-426.1M
$572.0M
Q1 25
$871.8M
$599.0M
Q4 24
$739.3M
$1.4B
Q3 24
$934.8M
$1.7B
Q2 24
$119.5M
$1.2B
Q1 24
$789.3M
$312.0M
Free Cash Flow
AJG
AJG
VST
VST
Q4 25
$713.4M
$596.0M
Q3 25
$693.5M
$1.0B
Q2 25
$-465.5M
$-118.0M
Q1 25
$843.6M
$-169.0M
Q4 24
$695.7M
$923.0M
Q3 24
$898.0M
$1.0B
Q2 24
$87.7M
$698.0M
Q1 24
$759.6M
$-153.0M
FCF Margin
AJG
AJG
VST
VST
Q4 25
19.7%
12.4%
Q3 25
20.6%
21.1%
Q2 25
-14.5%
-3.1%
Q1 25
22.6%
-4.0%
Q4 24
25.6%
25.2%
Q3 24
32.0%
23.4%
Q2 24
3.2%
19.4%
Q1 24
23.3%
-4.8%
Capex Intensity
AJG
AJG
VST
VST
Q4 25
1.1%
17.4%
Q3 25
1.1%
9.6%
Q2 25
1.2%
18.4%
Q1 25
0.8%
18.1%
Q4 24
1.6%
11.7%
Q3 24
1.3%
15.8%
Q2 24
1.1%
13.8%
Q1 24
0.9%
14.7%
Cash Conversion
AJG
AJG
VST
VST
Q4 25
4.98×
6.15×
Q3 25
2.68×
2.25×
Q2 25
-1.16×
1.75×
Q1 25
1.24×
Q4 24
2.86×
3.07×
Q3 24
2.99×
0.90×
Q2 24
0.42×
3.28×
Q1 24
1.30×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AJG
AJG

Commissions$2.1B57%
Broker Fees$1.2B33%
Supplemental Revenue$131.7M4%
Investment Performance$121.8M3%
Contingent Revenue$83.0M2%

VST
VST

Retail Energy Charge In ERCOT$2.1B43%
Retail Energy Charge In Northeast Midwest$1.2B24%
East Segment$1.1B24%
Hedging Revenue Realized$170.0M4%
Revenue From Other Wholesale Contracts$116.0M2%
Transferable Production Tax Credit Revenues$78.0M2%
West Segment$77.0M2%
Intersegment Sales$25.0M1%

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