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Side-by-side financial comparison of Arch Capital Group (ACGL) and Kinsale Capital Group, Inc. (KNSL). Click either name above to swap in a different company.

Arch Capital Group is the larger business by last-quarter revenue ($4.9B vs $466.7M, roughly 10.6× Kinsale Capital Group, Inc.). Arch Capital Group runs the higher net margin — 25.1% vs 24.1%, a 1.0% gap on every dollar of revenue. On growth, Kinsale Capital Group, Inc. posted the faster year-over-year revenue change (10.2% vs 8.5%). Over the past eight quarters, Arch Capital Group's revenue compounded faster (11.9% CAGR vs 10.2%).

Arch Capital Group Ltd. is a Bermuda exempted public company which writes insurance, reinsurance and mortgage insurance on a worldwide basis, with a focus on specialty lines, the segment of the insurance industry where the more difficult and unusual risks are written. The company is headquartered in Bermuda and operates globally in 60 offices in North America, Europe, Asia and Australia.

Flagstar Bank, N.A. (FLG), is an American regional financial services holding company headquartered in Hicksville, New York. In 2023, the bank operated 395 branches However, they rebranded all of these under the Flagstar name on February 21, 2024.

ACGL vs KNSL — Head-to-Head

Bigger by revenue
ACGL
ACGL
10.6× larger
ACGL
$4.9B
$466.7M
KNSL
Growing faster (revenue YoY)
KNSL
KNSL
+1.7% gap
KNSL
10.2%
8.5%
ACGL
Higher net margin
ACGL
ACGL
1.0% more per $
ACGL
25.1%
24.1%
KNSL
Faster 2-yr revenue CAGR
ACGL
ACGL
Annualised
ACGL
11.9%
10.2%
KNSL

Income Statement — Q4 2025 vs Q1 2026

Metric
ACGL
ACGL
KNSL
KNSL
Revenue
$4.9B
$466.7M
Net Profit
$1.2B
$112.6M
Gross Margin
Operating Margin
Net Margin
25.1%
24.1%
Revenue YoY
8.5%
10.2%
Net Profit YoY
32.4%
26.1%
EPS (diluted)
$3.33
$4.88

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
ACGL
ACGL
KNSL
KNSL
Q1 26
$466.7M
Q4 25
$4.9B
$483.3M
Q3 25
$5.1B
$497.5M
Q2 25
$5.2B
$469.8M
Q1 25
$4.7B
$423.4M
Q4 24
$4.5B
$412.1M
Q3 24
$4.7B
$418.1M
Q2 24
$4.2B
$384.6M
Net Profit
ACGL
ACGL
KNSL
KNSL
Q1 26
$112.6M
Q4 25
$1.2B
$138.6M
Q3 25
$1.4B
$141.6M
Q2 25
$1.2B
$134.1M
Q1 25
$574.0M
$89.2M
Q4 24
$935.0M
$109.1M
Q3 24
$988.0M
$114.2M
Q2 24
$1.3B
$92.6M
Operating Margin
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
36.2%
Q3 25
36.0%
Q2 25
35.8%
Q1 25
26.5%
Q4 24
33.6%
Q3 24
34.5%
Q2 24
30.1%
Net Margin
ACGL
ACGL
KNSL
KNSL
Q1 26
24.1%
Q4 25
25.1%
28.7%
Q3 25
26.4%
28.5%
Q2 25
23.7%
28.5%
Q1 25
12.3%
21.1%
Q4 24
20.6%
26.5%
Q3 24
20.9%
27.3%
Q2 24
30.0%
24.1%
EPS (diluted)
ACGL
ACGL
KNSL
KNSL
Q1 26
$4.88
Q4 25
$3.33
$5.97
Q3 25
$3.56
$6.09
Q2 25
$3.23
$5.76
Q1 25
$1.48
$3.83
Q4 24
$2.41
$4.67
Q3 24
$2.56
$4.90
Q2 24
$3.30
$3.97

Balance Sheet & Financial Strength

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

Metric
ACGL
ACGL
KNSL
KNSL
Cash + ST InvestmentsLiquidity on hand
$993.0M
$223.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$24.2B
$2.0B
Total Assets
$79.2B
$6.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACGL
ACGL
KNSL
KNSL
Q1 26
$223.3M
Q4 25
$993.0M
Q3 25
$1.1B
$170.2M
Q2 25
$983.0M
$138.1M
Q1 25
$1.2B
$142.0M
Q4 24
$979.0M
$113.2M
Q3 24
$1.0B
$111.7M
Q2 24
$1.0B
$171.0M
Total Debt
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
$224.4M
Q3 25
$199.3M
Q2 25
$184.3M
Q1 25
$184.2M
Q4 24
$184.1M
Q3 24
$184.1M
Q2 24
$184.0M
Stockholders' Equity
ACGL
ACGL
KNSL
KNSL
Q1 26
$2.0B
Q4 25
$24.2B
$2.0B
Q3 25
$23.7B
$1.9B
Q2 25
$23.0B
$1.7B
Q1 25
$21.5B
$1.6B
Q4 24
$20.8B
$1.5B
Q3 24
$22.3B
$1.4B
Q2 24
$20.7B
$1.3B
Total Assets
ACGL
ACGL
KNSL
KNSL
Q1 26
$6.2B
Q4 25
$79.2B
$6.0B
Q3 25
$79.2B
$5.8B
Q2 25
$78.8B
$5.6B
Q1 25
$75.2B
$5.2B
Q4 24
$70.9B
$4.9B
Q3 24
$73.7B
$4.7B
Q2 24
$65.5B
$4.4B
Debt / Equity
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
0.11×
Q3 25
0.11×
Q2 25
0.11×
Q1 25
0.12×
Q4 24
0.12×
Q3 24
0.13×
Q2 24
0.15×

Cash Flow & Capital Efficiency

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

Metric
ACGL
ACGL
KNSL
KNSL
Operating Cash FlowLast quarter
$1.4B
Free Cash FlowOCF − Capex
$1.4B
FCF MarginFCF / Revenue
28.2%
Capex IntensityCapex / Revenue
0.2%
Cash ConversionOCF / Net Profit
1.13×
TTM Free Cash FlowTrailing 4 quarters
$6.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
$1.4B
$241.4M
Q3 25
$2.2B
$303.5M
Q2 25
$1.1B
$269.1M
Q1 25
$1.5B
$229.8M
Q4 24
$1.6B
$213.0M
Q3 24
$2.0B
$274.0M
Q2 24
$1.5B
$278.9M
Free Cash Flow
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
$1.4B
$230.8M
Q3 25
$2.2B
$289.5M
Q2 25
$1.1B
$252.1M
Q1 25
$1.4B
$217.6M
Q4 24
$1.6B
$202.2M
Q3 24
$2.0B
$268.2M
Q2 24
$1.5B
$275.1M
FCF Margin
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
28.2%
47.8%
Q3 25
42.6%
58.2%
Q2 25
21.3%
53.7%
Q1 25
31.0%
51.4%
Q4 24
34.3%
49.1%
Q3 24
42.5%
64.2%
Q2 24
35.6%
71.5%
Capex Intensity
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
0.2%
2.2%
Q3 25
0.2%
2.8%
Q2 25
0.2%
3.6%
Q1 25
0.2%
2.9%
Q4 24
0.3%
2.6%
Q3 24
0.3%
1.4%
Q2 24
0.3%
1.0%
Cash Conversion
ACGL
ACGL
KNSL
KNSL
Q1 26
Q4 25
1.13×
1.74×
Q3 25
1.62×
2.14×
Q2 25
0.91×
2.01×
Q1 25
2.54×
2.58×
Q4 24
1.68×
1.95×
Q3 24
2.04×
2.40×
Q2 24
1.20×
3.01×

Financial Flow Comparison

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

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