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Side-by-side financial comparison of Arch Capital Group (ACGL) and Western Digital (WDC). Click either name above to swap in a different company.

Arch Capital Group is the larger business by last-quarter revenue ($4.5B vs $3.0B, roughly 1.5× Western Digital). Western Digital runs the higher net margin — 61.1% vs 23.2%, a 37.9% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (31.5% vs -3.3%). Over the past eight quarters, Arch Capital Group's revenue compounded faster (3.4% CAGR vs -6.6%).

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.

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

ACGL vs WDC — Head-to-Head

Bigger by revenue
ACGL
ACGL
1.5× larger
ACGL
$4.5B
$3.0B
WDC
Growing faster (revenue YoY)
WDC
WDC
+34.8% gap
WDC
31.5%
-3.3%
ACGL
Higher net margin
WDC
WDC
37.9% more per $
WDC
61.1%
23.2%
ACGL
Faster 2-yr revenue CAGR
ACGL
ACGL
Annualised
ACGL
3.4%
-6.6%
WDC

Income Statement — Q1 FY2026 vs Q2 FY2026

Metric
ACGL
ACGL
WDC
WDC
Revenue
$4.5B
$3.0B
Net Profit
$1.0B
$1.8B
Gross Margin
45.7%
Operating Margin
30.1%
Net Margin
23.2%
61.1%
Revenue YoY
-3.3%
31.5%
Net Profit YoY
82.4%
254.2%
EPS (diluted)
$2.88
$4.73

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
WDC
WDC
Q1 26
$4.5B
$3.0B
Q4 25
$4.9B
$2.8B
Q3 25
$5.1B
Q2 25
$5.2B
$-1.2B
Q1 25
$4.7B
$2.3B
Q4 24
$4.5B
$4.3B
Q3 24
$4.7B
$4.1B
Q2 24
$4.2B
$3.8B
Net Profit
ACGL
ACGL
WDC
WDC
Q1 26
$1.0B
$1.8B
Q4 25
$1.2B
$1.2B
Q3 25
$1.4B
Q2 25
$1.2B
$282.0M
Q1 25
$574.0M
$520.0M
Q4 24
$935.0M
$594.0M
Q3 24
$988.0M
$493.0M
Q2 24
$1.3B
$39.0M
Gross Margin
ACGL
ACGL
WDC
WDC
Q1 26
45.7%
Q4 25
43.5%
Q3 25
Q2 25
Q1 25
39.8%
Q4 24
35.4%
Q3 24
37.9%
Q2 24
35.9%
Operating Margin
ACGL
ACGL
WDC
WDC
Q1 26
30.1%
Q4 25
28.1%
Q3 25
Q2 25
Q1 25
33.1%
Q4 24
19.9%
Q3 24
18.1%
Q2 24
5.7%
Net Margin
ACGL
ACGL
WDC
WDC
Q1 26
23.2%
61.1%
Q4 25
25.1%
41.9%
Q3 25
26.4%
Q2 25
23.7%
-24.4%
Q1 25
12.3%
22.7%
Q4 24
20.6%
13.9%
Q3 24
20.9%
12.0%
Q2 24
30.0%
1.0%
EPS (diluted)
ACGL
ACGL
WDC
WDC
Q1 26
$2.88
$4.73
Q4 25
$3.33
$3.07
Q3 25
$3.56
Q2 25
$3.23
$0.72
Q1 25
$1.48
$1.42
Q4 24
$2.41
$1.63
Q3 24
$2.56
$1.35
Q2 24
$3.30
$0.15

Balance Sheet & Financial Strength

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

Metric
ACGL
ACGL
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$24.0M
$2.0B
Total DebtLower is stronger
$4.7B
Stockholders' EquityBook value
$24.2B
$7.1B
Total Assets
$81.4B
$15.6B
Debt / EquityLower = less leverage
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACGL
ACGL
WDC
WDC
Q1 26
$24.0M
$2.0B
Q4 25
$993.0M
$2.0B
Q3 25
$1.1B
Q2 25
$983.0M
$2.1B
Q1 25
$1.2B
$3.5B
Q4 24
$979.0M
$2.3B
Q3 24
$1.0B
$1.7B
Q2 24
$1.0B
$1.9B
Total Debt
ACGL
ACGL
WDC
WDC
Q1 26
$4.7B
Q4 25
$4.7B
Q3 25
Q2 25
$4.7B
Q1 25
$7.3B
Q4 24
$7.4B
Q3 24
$7.4B
Q2 24
$7.4B
Stockholders' Equity
ACGL
ACGL
WDC
WDC
Q1 26
$24.2B
$7.1B
Q4 25
$24.2B
$5.9B
Q3 25
$23.7B
Q2 25
$23.0B
$5.3B
Q1 25
$21.5B
$5.2B
Q4 24
$20.8B
$12.1B
Q3 24
$22.3B
$11.6B
Q2 24
$20.7B
$10.8B
Total Assets
ACGL
ACGL
WDC
WDC
Q1 26
$81.4B
$15.6B
Q4 25
$79.2B
$14.4B
Q3 25
$79.2B
Q2 25
$78.8B
$14.0B
Q1 25
$75.2B
$16.4B
Q4 24
$70.9B
$25.5B
Q3 24
$73.7B
$24.8B
Q2 24
$65.5B
$24.2B
Debt / Equity
ACGL
ACGL
WDC
WDC
Q1 26
0.65×
Q4 25
0.80×
Q3 25
Q2 25
0.89×
Q1 25
1.42×
Q4 24
0.61×
Q3 24
0.64×
Q2 24
0.69×

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
WDC
WDC
Operating Cash FlowLast quarter
$1.2B
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.13×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACGL
ACGL
WDC
WDC
Q1 26
$1.2B
Q4 25
$1.4B
$672.0M
Q3 25
$2.2B
Q2 25
$1.1B
$746.0M
Q1 25
$1.5B
$508.0M
Q4 24
$1.6B
$403.0M
Q3 24
$2.0B
$34.0M
Q2 24
$1.5B
$366.0M
Free Cash Flow
ACGL
ACGL
WDC
WDC
Q1 26
Q4 25
$1.4B
$599.0M
Q3 25
$2.2B
Q2 25
$1.1B
$675.0M
Q1 25
$1.4B
$379.0M
Q4 24
$1.6B
$287.0M
Q3 24
$2.0B
$-62.0M
Q2 24
$1.5B
$250.0M
FCF Margin
ACGL
ACGL
WDC
WDC
Q1 26
Q4 25
28.2%
21.3%
Q3 25
42.6%
Q2 25
21.3%
-58.5%
Q1 25
31.0%
16.5%
Q4 24
34.3%
6.7%
Q3 24
42.5%
-1.5%
Q2 24
35.6%
6.6%
Capex Intensity
ACGL
ACGL
WDC
WDC
Q1 26
Q4 25
0.2%
2.6%
Q3 25
0.2%
Q2 25
0.2%
-6.2%
Q1 25
0.2%
5.6%
Q4 24
0.3%
2.7%
Q3 24
0.3%
2.3%
Q2 24
0.3%
3.1%
Cash Conversion
ACGL
ACGL
WDC
WDC
Q1 26
1.13×
Q4 25
1.13×
0.57×
Q3 25
1.62×
Q2 25
0.91×
2.65×
Q1 25
2.54×
0.98×
Q4 24
1.68×
0.68×
Q3 24
2.04×
0.07×
Q2 24
1.20×
9.38×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACGL
ACGL

Segment breakdown not available.

WDC
WDC

Cloud$2.7B89%
Client Devices$176.0M6%
Consumer$168.0M6%

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