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Side-by-side financial comparison of AMERICAN COASTAL INSURANCE Corp (ACIC) and MARKEL GROUP INC. (MKL), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.

MARKEL GROUP INC. is the larger business by last-quarter revenue ($3.6B vs $86.4M, roughly 41.4× AMERICAN COASTAL INSURANCE Corp). AMERICAN COASTAL INSURANCE Corp runs the higher net margin — 30.8% vs 16.1%, a 14.6% gap on every dollar of revenue. On growth, AMERICAN COASTAL INSURANCE Corp posted the faster year-over-year revenue change (9.0% vs -6.9%). MARKEL GROUP INC. produced more free cash flow last quarter ($599.1M vs $-47.8M). Over the past eight quarters, AMERICAN COASTAL INSURANCE Corp's revenue compounded faster (13.9% CAGR vs -10.5%).

United Property & Casualty Insurance Company, Inc. is an American property and casualty insurance company with headquarters in Florida. It writes commercial, residential, homeowners’, and flood insurance policies in several coastal states.

Markel Group Inc. is a group of companies headquartered in Richmond, Virginia, and originally founded in 1930 as an insurance company.

ACIC vs MKL — Head-to-Head

Bigger by revenue
MKL
MKL
41.4× larger
MKL
$3.6B
$86.4M
ACIC
Growing faster (revenue YoY)
ACIC
ACIC
+15.8% gap
ACIC
9.0%
-6.9%
MKL
Higher net margin
ACIC
ACIC
14.6% more per $
ACIC
30.8%
16.1%
MKL
More free cash flow
MKL
MKL
$646.9M more FCF
MKL
$599.1M
$-47.8M
ACIC
Faster 2-yr revenue CAGR
ACIC
ACIC
Annualised
ACIC
13.9%
-10.5%
MKL

Income Statement — Q4 2025 vs Q4 2025

Metric
ACIC
ACIC
MKL
MKL
Revenue
$86.4M
$3.6B
Net Profit
$26.6M
$576.8M
Gross Margin
Operating Margin
43.2%
22.2%
Net Margin
30.8%
16.1%
Revenue YoY
9.0%
-6.9%
Net Profit YoY
437.1%
5.0%
EPS (diluted)
$0.54
$48.22

Green = leading value per metric. Periods may differ when fiscal calendars don't align — see 8-quarter trend below.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.

Revenue
ACIC
ACIC
MKL
MKL
Q4 25
$86.4M
$3.6B
Q3 25
$90.4M
$3.9B
Q2 25
$86.5M
$4.6B
Q1 25
$72.2M
$3.4B
Q4 24
$79.3M
$3.8B
Q3 24
$82.1M
$4.6B
Q2 24
$68.7M
$3.7B
Q1 24
$66.6M
$4.5B
Net Profit
ACIC
ACIC
MKL
MKL
Q4 25
$26.6M
$576.8M
Q3 25
$32.5M
$751.3M
Q2 25
$26.4M
$657.1M
Q1 25
$21.3M
$121.7M
Q4 24
$4.9M
$549.2M
Q3 24
$28.1M
$905.0M
Q2 24
$19.1M
$267.7M
Q1 24
$23.6M
$1.0B
Operating Margin
ACIC
ACIC
MKL
MKL
Q4 25
43.2%
22.2%
Q3 25
46.1%
25.7%
Q2 25
41.8%
24.1%
Q1 25
34.8%
8.3%
Q4 24
11.2%
15.5%
Q3 24
43.9%
29.7%
Q2 24
35.1%
11.1%
Q1 24
45.9%
29.9%
Net Margin
ACIC
ACIC
MKL
MKL
Q4 25
30.8%
16.1%
Q3 25
35.9%
19.1%
Q2 25
30.6%
14.3%
Q1 25
29.6%
3.6%
Q4 24
6.2%
14.3%
Q3 24
34.2%
19.6%
Q2 24
27.8%
7.2%
Q1 24
35.4%
23.0%
EPS (diluted)
ACIC
ACIC
MKL
MKL
Q4 25
$0.54
$48.22
Q3 25
$0.65
$59.25
Q2 25
$0.53
$49.67
Q1 25
$0.43
$12.08
Q4 24
$0.10
$39.02
Q3 24
$0.57
$66.25
Q2 24
$0.39
$18.62
Q1 24
$0.48
$75.43

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest filing — the kind of financial-strength check premium terminals charge for.

Metric
ACIC
ACIC
MKL
MKL
Cash + ST InvestmentsLiquidity on hand
$198.8M
$4.0B
Total DebtLower is stronger
$150.0M
$4.3B
Stockholders' EquityBook value
$317.6M
$18.6B
Total Assets
$1.1B
$68.9B
Debt / EquityLower = less leverage
0.47×
0.23×

8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.

Cash + ST Investments
ACIC
ACIC
MKL
MKL
Q4 25
$198.8M
$4.0B
Q3 25
$267.9M
$4.0B
Q2 25
$315.5M
$3.7B
Q1 25
$167.2M
$4.2B
Q4 24
$137.0M
$3.7B
Q3 24
$183.1M
$3.9B
Q2 24
$229.4M
$3.5B
Q1 24
$285.4M
$3.6B
Total Debt
ACIC
ACIC
MKL
MKL
Q4 25
$150.0M
$4.3B
Q3 25
$4.3B
Q2 25
$4.4B
Q1 25
$4.4B
Q4 24
$150.0M
$4.3B
Q3 24
$4.4B
Q2 24
$4.4B
Q1 24
$3.9B
Stockholders' Equity
ACIC
ACIC
MKL
MKL
Q4 25
$317.6M
$18.6B
Q3 25
$327.2M
$18.0B
Q2 25
$292.3M
$17.3B
Q1 25
$260.9M
$17.1B
Q4 24
$235.7M
$16.9B
Q3 24
$259.6M
$17.0B
Q2 24
$223.1M
$15.9B
Q1 24
$204.0M
$15.7B
Total Assets
ACIC
ACIC
MKL
MKL
Q4 25
$1.1B
$68.9B
Q3 25
$1.2B
$67.4B
Q2 25
$1.3B
$66.8B
Q1 25
$1.2B
$64.6B
Q4 24
$1.2B
$61.9B
Q3 24
$1.1B
$62.3B
Q2 24
$1.3B
$59.7B
Q1 24
$1.1B
$57.3B
Debt / Equity
ACIC
ACIC
MKL
MKL
Q4 25
0.47×
0.23×
Q3 25
0.24×
Q2 25
0.25×
Q1 25
0.26×
Q4 24
0.64×
0.26×
Q3 24
0.26×
Q2 24
0.28×
Q1 24
0.25×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Net income can be massaged; cash flow is harder to fake.

Metric
ACIC
ACIC
MKL
MKL
Operating Cash FlowLast quarter
$-47.8M
$662.2M
Free Cash FlowOCF − Capex
$-47.8M
$599.1M
FCF MarginFCF / Revenue
-55.4%
16.7%
Capex IntensityCapex / Revenue; lower = less reinvestment burden
0.1%
1.8%
Cash ConversionOCF / Net Profit; >1× = earnings back up with cash
-1.80×
1.15×
TTM Free Cash FlowTrailing 4 quarters
$2.6B

8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.

Operating Cash Flow
ACIC
ACIC
MKL
MKL
Q4 25
$-47.8M
$662.2M
Q3 25
$-35.6M
$1.2B
Q2 25
$127.9M
$504.4M
Q1 25
$26.4M
$376.2M
Q4 24
$1.6M
$493.9M
Q3 24
$-9.0M
$890.8M
Q2 24
$126.4M
$578.6M
Q1 24
$124.5M
$630.7M
Free Cash Flow
ACIC
ACIC
MKL
MKL
Q4 25
$-47.8M
$599.1M
Q3 25
$1.2B
Q2 25
$453.8M
Q1 25
$26.3M
$335.5M
Q4 24
$1.6M
$420.0M
Q3 24
$-9.0M
$838.9M
Q2 24
$521.4M
Q1 24
$558.7M
FCF Margin
ACIC
ACIC
MKL
MKL
Q4 25
-55.4%
16.7%
Q3 25
29.6%
Q2 25
9.9%
Q1 25
36.5%
9.9%
Q4 24
2.0%
10.9%
Q3 24
-10.9%
18.2%
Q2 24
14.1%
Q1 24
12.5%
Capex Intensity
ACIC
ACIC
MKL
MKL
Q4 25
0.1%
1.8%
Q3 25
0.0%
1.3%
Q2 25
0.0%
1.1%
Q1 25
0.1%
1.2%
Q4 24
0.0%
1.9%
Q3 24
0.0%
1.1%
Q2 24
0.0%
1.5%
Q1 24
0.0%
1.6%
Cash Conversion
ACIC
ACIC
MKL
MKL
Q4 25
-1.80×
1.15×
Q3 25
-1.10×
1.62×
Q2 25
4.84×
0.77×
Q1 25
1.24×
3.09×
Q4 24
0.32×
0.90×
Q3 24
-0.32×
0.98×
Q2 24
6.63×
2.16×
Q1 24
5.27×
0.62×

Financial Flow Comparison

Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.

Revenue Breakdown by Segment

ACIC
ACIC

Segment breakdown not available.

MKL
MKL

Industrial$1.6B45%
Consumer And Other$958.3M27%
Financial$737.0M21%
Other$198.8M6%
Corporate Operations$52.0M1%
Revenue From Contract With Customer$10.5M0%

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