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Side-by-side financial comparison of Simon Property Group (SPG) and WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). Click either name above to swap in a different company.

Simon Property Group is the larger business by last-quarter revenue ($1.8B vs $1.6B, roughly 1.1× WHITE MOUNTAINS INSURANCE GROUP LTD). Simon Property Group runs the higher net margin — 197.6% vs 52.1%, a 145.5% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs 13.2%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs 11.4%).

Simon Media Properties, LLC, doing business as Simon Property Group, Inc., is an American real estate investment trust that invests in shopping malls, outlet centers, and community/lifestyle centers. It is the largest owner of shopping malls in the United States and is headquartered in Indianapolis, Indiana. As of December 31, 2024, it owned interests in 232 properties.

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.

SPG vs WTM — Head-to-Head

Bigger by revenue
SPG
SPG
1.1× larger
SPG
$1.8B
$1.6B
WTM
Growing faster (revenue YoY)
WTM
WTM
+334.8% gap
WTM
348.0%
13.2%
SPG
Higher net margin
SPG
SPG
145.5% more per $
SPG
197.6%
52.1%
WTM
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
11.4%
SPG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPG
SPG
WTM
WTM
Revenue
$1.8B
$1.6B
Net Profit
$3.5B
$835.8M
Gross Margin
97.1%
Operating Margin
49.7%
56.2%
Net Margin
197.6%
52.1%
Revenue YoY
13.2%
348.0%
Net Profit YoY
358.7%
741.0%
EPS (diluted)
$9.34
$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
SPG
SPG
WTM
WTM
Q4 25
$1.8B
$1.6B
Q3 25
$1.6B
$864.2M
Q2 25
$1.5B
$689.2M
Q1 25
$1.5B
$577.8M
Q4 24
$1.6B
$358.0M
Q3 24
$1.5B
$839.1M
Q2 24
$1.5B
$395.4M
Q1 24
$1.4B
$647.3M
Net Profit
SPG
SPG
WTM
WTM
Q4 25
$3.5B
$835.8M
Q3 25
$702.7M
$113.8M
Q2 25
$643.7M
$122.9M
Q1 25
$477.9M
$33.9M
Q4 24
$771.8M
$-130.4M
Q3 24
$546.7M
$179.0M
Q2 24
$569.4M
$-54.6M
Q1 24
$841.2M
$236.4M
Gross Margin
SPG
SPG
WTM
WTM
Q4 25
97.1%
Q3 25
93.6%
Q2 25
93.8%
Q1 25
98.7%
Q4 24
97.9%
Q3 24
99.1%
Q2 24
98.2%
Q1 24
98.8%
Operating Margin
SPG
SPG
WTM
WTM
Q4 25
49.7%
56.2%
Q3 25
50.8%
20.7%
Q2 25
49.7%
25.6%
Q1 25
49.4%
12.5%
Q4 24
52.8%
-33.7%
Q3 24
51.9%
28.5%
Q2 24
51.7%
-8.8%
Q1 24
51.0%
35.9%
Net Margin
SPG
SPG
WTM
WTM
Q4 25
197.6%
52.1%
Q3 25
43.9%
13.2%
Q2 25
43.0%
17.8%
Q1 25
32.4%
5.9%
Q4 24
48.8%
-36.4%
Q3 24
36.9%
21.3%
Q2 24
39.0%
-13.8%
Q1 24
58.3%
36.5%
EPS (diluted)
SPG
SPG
WTM
WTM
Q4 25
$9.34
$325.02
Q3 25
$1.86
$44.18
Q2 25
$1.70
$47.75
Q1 25
$1.27
$13.19
Q4 24
$2.04
$-50.98
Q3 24
$1.46
$69.68
Q2 24
$1.51
$-21.24
Q1 24
$2.25
$92.33

Balance Sheet & Financial Strength

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

Metric
SPG
SPG
WTM
WTM
Cash + ST InvestmentsLiquidity on hand
$823.1M
Total DebtLower is stronger
$28.4B
$837.0M
Stockholders' EquityBook value
$5.2B
$5.4B
Total Assets
$40.6B
$12.3B
Debt / EquityLower = less leverage
5.46×
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPG
SPG
WTM
WTM
Q4 25
$823.1M
Q3 25
$1.6B
Q2 25
$1.2B
Q1 25
$1.4B
Q4 24
$1.4B
Q3 24
$2.5B
Q2 24
$2.5B
Q1 24
$2.6B
Total Debt
SPG
SPG
WTM
WTM
Q4 25
$28.4B
$837.0M
Q3 25
$25.8B
$870.4M
Q2 25
$25.4B
$694.6M
Q1 25
$24.8B
$676.1M
Q4 24
$24.3B
$562.5M
Q3 24
$25.4B
$544.9M
Q2 24
$25.3B
$530.2M
Q1 24
$25.5B
$532.1M
Stockholders' Equity
SPG
SPG
WTM
WTM
Q4 25
$5.2B
$5.4B
Q3 25
$2.3B
$4.8B
Q2 25
$2.5B
$4.6B
Q1 25
$2.6B
$4.5B
Q4 24
$2.9B
$4.5B
Q3 24
$2.7B
$4.6B
Q2 24
$2.9B
$4.4B
Q1 24
$3.1B
$4.5B
Total Assets
SPG
SPG
WTM
WTM
Q4 25
$40.6B
$12.3B
Q3 25
$33.6B
$12.3B
Q2 25
$33.3B
$11.8B
Q1 25
$32.5B
$11.0B
Q4 24
$32.4B
$9.9B
Q3 24
$33.3B
$10.3B
Q2 24
$33.4B
$10.2B
Q1 24
$33.7B
$9.6B
Debt / Equity
SPG
SPG
WTM
WTM
Q4 25
5.46×
0.15×
Q3 25
10.98×
0.18×
Q2 25
10.36×
0.15×
Q1 25
9.50×
0.15×
Q4 24
8.25×
0.13×
Q3 24
9.37×
0.12×
Q2 24
8.59×
0.12×
Q1 24
8.22×
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
SPG
SPG
WTM
WTM
Operating Cash FlowLast quarter
$1.2B
$53.9M
Free Cash FlowOCF − Capex
$948.8M
FCF MarginFCF / Revenue
53.0%
Capex IntensityCapex / Revenue
14.2%
Cash ConversionOCF / Net Profit
0.34×
0.06×
TTM Free Cash FlowTrailing 4 quarters
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPG
SPG
WTM
WTM
Q4 25
$1.2B
$53.9M
Q3 25
$890.3M
$359.3M
Q2 25
$1.2B
$177.5M
Q1 25
$827.2M
$-40.2M
Q4 24
$1.1B
$64.1M
Q3 24
$892.9M
$269.4M
Q2 24
$1.1B
$216.8M
Q1 24
$773.1M
$36.5M
Free Cash Flow
SPG
SPG
WTM
WTM
Q4 25
$948.8M
Q3 25
$685.0M
Q2 25
$971.3M
Q1 25
$597.0M
Q4 24
$867.7M
Q3 24
$706.5M
Q2 24
$874.8M
Q1 24
$610.1M
FCF Margin
SPG
SPG
WTM
WTM
Q4 25
53.0%
Q3 25
42.8%
Q2 25
64.8%
Q1 25
40.5%
Q4 24
54.8%
Q3 24
47.7%
Q2 24
60.0%
Q1 24
42.3%
Capex Intensity
SPG
SPG
WTM
WTM
Q4 25
14.2%
Q3 25
12.8%
Q2 25
16.3%
Q1 25
15.6%
Q4 24
13.8%
Q3 24
12.6%
Q2 24
12.9%
Q1 24
11.3%
Cash Conversion
SPG
SPG
WTM
WTM
Q4 25
0.34×
0.06×
Q3 25
1.27×
3.16×
Q2 25
1.89×
1.44×
Q1 25
1.73×
-1.19×
Q4 24
1.41×
Q3 24
1.63×
1.51×
Q2 24
1.87×
Q1 24
0.92×
0.15×

Financial Flow Comparison

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

Revenue Breakdown by Segment

SPG
SPG

Real Estate Segment$1.7B95%
Other$86.3M5%

WTM
WTM

Segment breakdown not available.

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