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Side-by-side financial comparison of Delek US Holdings, Inc. (DK) and WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). Click either name above to swap in a different company.

Delek US Holdings, Inc. is the larger business by last-quarter revenue ($2.6B vs $1.6B, roughly 1.6× WHITE MOUNTAINS INSURANCE GROUP LTD). WHITE MOUNTAINS INSURANCE GROUP LTD runs the higher net margin — 52.1% vs -7.7%, a 59.8% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs -4.9%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs -10.8%).

Delek US Holdings, Inc. is an oil refining, logistics and biofuels company founded in 2001 and headquartered in Brentwood, Tennessee.

White Mountains Insurance Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States, on October 25, 1999, the company conducts most of its business through its insurance subsidiaries and other affiliates.

DK vs WTM — Head-to-Head

Bigger by revenue
DK
DK
1.6× larger
DK
$2.6B
$1.6B
WTM
Growing faster (revenue YoY)
WTM
WTM
+352.9% gap
WTM
348.0%
-4.9%
DK
Higher net margin
WTM
WTM
59.8% more per $
WTM
52.1%
-7.7%
DK
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
-10.8%
DK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
DK
DK
WTM
WTM
Revenue
$2.6B
$1.6B
Net Profit
$-201.3M
$835.8M
Gross Margin
-5.8%
97.1%
Operating Margin
56.2%
Net Margin
-7.7%
52.1%
Revenue YoY
-4.9%
348.0%
Net Profit YoY
741.0%
EPS (diluted)
$-3.34
$325.02

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
DK
DK
WTM
WTM
Q1 26
$2.6B
Q4 25
$2.4B
$1.6B
Q3 25
$2.9B
$864.2M
Q2 25
$2.8B
$689.2M
Q1 25
$2.6B
$577.8M
Q4 24
$2.4B
$358.0M
Q3 24
$3.0B
$839.1M
Q2 24
$3.3B
$395.4M
Net Profit
DK
DK
WTM
WTM
Q1 26
$-201.3M
Q4 25
$78.3M
$835.8M
Q3 25
$178.0M
$113.8M
Q2 25
$-106.4M
$122.9M
Q1 25
$-172.7M
$33.9M
Q4 24
$-413.8M
$-130.4M
Q3 24
$-76.8M
$179.0M
Q2 24
$-37.2M
$-54.6M
Gross Margin
DK
DK
WTM
WTM
Q1 26
-5.8%
Q4 25
9.3%
97.1%
Q3 25
13.8%
93.6%
Q2 25
1.9%
93.8%
Q1 25
-2.4%
98.7%
Q4 24
-5.7%
97.9%
Q3 24
-0.7%
99.1%
Q2 24
0.5%
98.2%
Operating Margin
DK
DK
WTM
WTM
Q1 26
Q4 25
6.8%
56.2%
Q3 25
10.2%
20.7%
Q2 25
-1.2%
25.6%
Q1 25
-4.8%
12.5%
Q4 24
-17.0%
-33.7%
Q3 24
-4.0%
28.5%
Q2 24
0.1%
-8.8%
Net Margin
DK
DK
WTM
WTM
Q1 26
-7.7%
Q4 25
3.2%
52.1%
Q3 25
6.2%
13.2%
Q2 25
-3.8%
17.8%
Q1 25
-6.5%
5.9%
Q4 24
-17.4%
-36.4%
Q3 24
-2.5%
21.3%
Q2 24
-1.1%
-13.8%
EPS (diluted)
DK
DK
WTM
WTM
Q1 26
$-3.34
Q4 25
$1.23
$325.02
Q3 25
$2.93
$44.18
Q2 25
$-1.76
$47.75
Q1 25
$-2.78
$13.19
Q4 24
$-6.48
$-50.98
Q3 24
$-1.20
$69.68
Q2 24
$-0.58
$-21.24

Balance Sheet & Financial Strength

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

Metric
DK
DK
WTM
WTM
Cash + ST InvestmentsLiquidity on hand
$624.1M
Total DebtLower is stronger
$3.2B
$837.0M
Stockholders' EquityBook value
$302.0M
$5.4B
Total Assets
$7.6B
$12.3B
Debt / EquityLower = less leverage
10.54×
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DK
DK
WTM
WTM
Q1 26
$624.1M
Q4 25
$625.8M
Q3 25
$630.9M
Q2 25
$615.5M
Q1 25
$623.8M
Q4 24
$735.6M
Q3 24
$1.0B
Q2 24
$657.9M
Total Debt
DK
DK
WTM
WTM
Q1 26
$3.2B
Q4 25
$3.2B
$837.0M
Q3 25
$3.2B
$870.4M
Q2 25
$3.1B
$694.6M
Q1 25
$3.0B
$676.1M
Q4 24
$2.8B
$562.5M
Q3 24
$2.8B
$544.9M
Q2 24
$2.5B
$530.2M
Stockholders' Equity
DK
DK
WTM
WTM
Q1 26
$302.0M
Q4 25
$547.3M
$5.4B
Q3 25
$444.8M
$4.8B
Q2 25
$294.9M
$4.6B
Q1 25
$429.4M
$4.5B
Q4 24
$575.2M
$4.5B
Q3 24
$875.4M
$4.6B
Q2 24
$982.8M
$4.4B
Total Assets
DK
DK
WTM
WTM
Q1 26
$7.6B
Q4 25
$6.8B
$12.3B
Q3 25
$7.1B
$12.3B
Q2 25
$7.1B
$11.8B
Q1 25
$6.9B
$11.0B
Q4 24
$6.7B
$9.9B
Q3 24
$7.0B
$10.3B
Q2 24
$6.9B
$10.2B
Debt / Equity
DK
DK
WTM
WTM
Q1 26
10.54×
Q4 25
5.91×
0.15×
Q3 25
7.14×
0.18×
Q2 25
10.51×
0.15×
Q1 25
7.07×
0.15×
Q4 24
4.81×
0.13×
Q3 24
3.19×
0.12×
Q2 24
2.50×
0.12×

Cash Flow & Capital Efficiency

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

Metric
DK
DK
WTM
WTM
Operating Cash FlowLast quarter
$53.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.06×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DK
DK
WTM
WTM
Q1 26
Q4 25
$502.8M
$53.9M
Q3 25
$44.0M
$359.3M
Q2 25
$51.4M
$177.5M
Q1 25
$-62.4M
$-40.2M
Q4 24
$-163.5M
$64.1M
Q3 24
$-21.6M
$269.4M
Q2 24
$-48.4M
$216.8M
Free Cash Flow
DK
DK
WTM
WTM
Q1 26
Q4 25
$382.8M
Q3 25
$-64.0M
Q2 25
$-114.4M
Q1 25
$-198.1M
Q4 24
$-354.0M
Q3 24
$-140.6M
Q2 24
$-128.3M
FCF Margin
DK
DK
WTM
WTM
Q1 26
Q4 25
15.8%
Q3 25
-2.2%
Q2 25
-4.1%
Q1 25
-7.5%
Q4 24
-14.9%
Q3 24
-4.6%
Q2 24
-3.9%
Capex Intensity
DK
DK
WTM
WTM
Q1 26
Q4 25
4.9%
Q3 25
3.7%
Q2 25
6.0%
Q1 25
5.1%
Q4 24
8.0%
Q3 24
3.9%
Q2 24
2.4%
Cash Conversion
DK
DK
WTM
WTM
Q1 26
Q4 25
6.42×
0.06×
Q3 25
0.25×
3.16×
Q2 25
1.44×
Q1 25
-1.19×
Q4 24
Q3 24
1.51×
Q2 24

Financial Flow Comparison

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

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