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

Zoetis is the larger business by last-quarter revenue ($2.4B vs $1.6B, roughly 1.5× WHITE MOUNTAINS INSURANCE GROUP LTD). WHITE MOUNTAINS INSURANCE GROUP LTD runs the higher net margin — 52.1% vs 25.3%, a 26.9% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs 3.0%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs 4.4%).

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.

Zoetis Inc. (/zō-EH-tis/) is an American drug company, the world's largest producer of medicine and vaccinations for pets and livestock. The company was a subsidiary of Pfizer, the world's largest drug maker, but with Pfizer's spinoff of its 83% interest in the firm it is now a completely independent company. The company directly markets its products in approximately 45 countries, and sells them in more than 100 countries. Operations outside the United States accounted for 50% of the total re...

WTM vs ZTS — Head-to-Head

Bigger by revenue
ZTS
ZTS
1.5× larger
ZTS
$2.4B
$1.6B
WTM
Growing faster (revenue YoY)
WTM
WTM
+345.0% gap
WTM
348.0%
3.0%
ZTS
Higher net margin
WTM
WTM
26.9% more per $
WTM
52.1%
25.3%
ZTS
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
4.4%
ZTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
WTM
WTM
ZTS
ZTS
Revenue
$1.6B
$2.4B
Net Profit
$835.8M
$603.0M
Gross Margin
97.1%
70.2%
Operating Margin
56.2%
31.9%
Net Margin
52.1%
25.3%
Revenue YoY
348.0%
3.0%
Net Profit YoY
741.0%
3.8%
EPS (diluted)
$325.02
$1.37

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
WTM
WTM
ZTS
ZTS
Q4 25
$1.6B
$2.4B
Q3 25
$864.2M
$2.4B
Q2 25
$689.2M
$2.5B
Q1 25
$577.8M
$2.2B
Q4 24
$358.0M
$2.3B
Q3 24
$839.1M
$2.4B
Q2 24
$395.4M
$2.4B
Q1 24
$647.3M
$2.2B
Net Profit
WTM
WTM
ZTS
ZTS
Q4 25
$835.8M
$603.0M
Q3 25
$113.8M
$721.0M
Q2 25
$122.9M
$718.0M
Q1 25
$33.9M
$631.0M
Q4 24
$-130.4M
$581.0M
Q3 24
$179.0M
$682.0M
Q2 24
$-54.6M
$624.0M
Q1 24
$236.4M
$599.0M
Gross Margin
WTM
WTM
ZTS
ZTS
Q4 25
97.1%
70.2%
Q3 25
93.6%
71.5%
Q2 25
93.8%
73.6%
Q1 25
98.7%
72.0%
Q4 24
97.9%
69.5%
Q3 24
99.1%
70.6%
Q2 24
98.2%
71.7%
Q1 24
98.8%
70.6%
Operating Margin
WTM
WTM
ZTS
ZTS
Q4 25
56.2%
31.9%
Q3 25
20.7%
37.0%
Q2 25
25.6%
36.7%
Q1 25
12.5%
36.5%
Q4 24
-33.7%
31.6%
Q3 24
28.5%
36.6%
Q2 24
-8.8%
33.0%
Q1 24
35.9%
34.1%
Net Margin
WTM
WTM
ZTS
ZTS
Q4 25
52.1%
25.3%
Q3 25
13.2%
30.0%
Q2 25
17.8%
29.2%
Q1 25
5.9%
28.4%
Q4 24
-36.4%
25.1%
Q3 24
21.3%
28.6%
Q2 24
-13.8%
26.4%
Q1 24
36.5%
27.4%
EPS (diluted)
WTM
WTM
ZTS
ZTS
Q4 25
$325.02
$1.37
Q3 25
$44.18
$1.63
Q2 25
$47.75
$1.61
Q1 25
$13.19
$1.41
Q4 24
$-50.98
$1.29
Q3 24
$69.68
$1.50
Q2 24
$-21.24
$1.37
Q1 24
$92.33
$1.31

Balance Sheet & Financial Strength

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

Metric
WTM
WTM
ZTS
ZTS
Cash + ST InvestmentsLiquidity on hand
Total DebtLower is stronger
$837.0M
Stockholders' EquityBook value
$5.4B
$3.3B
Total Assets
$12.3B
$15.5B
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
WTM
WTM
ZTS
ZTS
Q4 25
Q3 25
$2.1B
Q2 25
$1.4B
Q1 25
$1.7B
Q4 24
$2.0B
Q3 24
$1.7B
Q2 24
$1.6B
Q1 24
$2.0B
Total Debt
WTM
WTM
ZTS
ZTS
Q4 25
$837.0M
Q3 25
$870.4M
Q2 25
$694.6M
Q1 25
$676.1M
Q4 24
$562.5M
Q3 24
$544.9M
Q2 24
$530.2M
Q1 24
$532.1M
Stockholders' Equity
WTM
WTM
ZTS
ZTS
Q4 25
$5.4B
$3.3B
Q3 25
$4.8B
$5.4B
Q2 25
$4.6B
$5.0B
Q1 25
$4.5B
$4.7B
Q4 24
$4.5B
$4.8B
Q3 24
$4.6B
$5.2B
Q2 24
$4.4B
$5.0B
Q1 24
$4.5B
$5.1B
Total Assets
WTM
WTM
ZTS
ZTS
Q4 25
$12.3B
$15.5B
Q3 25
$12.3B
$15.2B
Q2 25
$11.8B
$14.5B
Q1 25
$11.0B
$14.1B
Q4 24
$9.9B
$14.2B
Q3 24
$10.3B
$14.4B
Q2 24
$10.2B
$14.2B
Q1 24
$9.6B
$14.3B
Debt / Equity
WTM
WTM
ZTS
ZTS
Q4 25
0.15×
Q3 25
0.18×
Q2 25
0.15×
Q1 25
0.15×
Q4 24
0.13×
Q3 24
0.12×
Q2 24
0.12×
Q1 24
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
WTM
WTM
ZTS
ZTS
Operating Cash FlowLast quarter
$53.9M
$893.0M
Free Cash FlowOCF − Capex
$732.0M
FCF MarginFCF / Revenue
30.7%
Capex IntensityCapex / Revenue
6.7%
Cash ConversionOCF / Net Profit
0.06×
1.48×
TTM Free Cash FlowTrailing 4 quarters
$2.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
WTM
WTM
ZTS
ZTS
Q4 25
$53.9M
$893.0M
Q3 25
$359.3M
$938.0M
Q2 25
$177.5M
$486.0M
Q1 25
$-40.2M
$587.0M
Q4 24
$64.1M
$905.0M
Q3 24
$269.4M
$951.0M
Q2 24
$216.8M
$502.0M
Q1 24
$36.5M
$595.0M
Free Cash Flow
WTM
WTM
ZTS
ZTS
Q4 25
$732.0M
Q3 25
$805.0M
Q2 25
$308.0M
Q1 25
$438.0M
Q4 24
$689.0M
Q3 24
$784.0M
Q2 24
$370.0M
Q1 24
$455.0M
FCF Margin
WTM
WTM
ZTS
ZTS
Q4 25
30.7%
Q3 25
33.5%
Q2 25
12.5%
Q1 25
19.7%
Q4 24
29.7%
Q3 24
32.8%
Q2 24
15.7%
Q1 24
20.8%
Capex Intensity
WTM
WTM
ZTS
ZTS
Q4 25
6.7%
Q3 25
5.5%
Q2 25
7.2%
Q1 25
6.7%
Q4 24
9.3%
Q3 24
7.0%
Q2 24
5.6%
Q1 24
6.4%
Cash Conversion
WTM
WTM
ZTS
ZTS
Q4 25
0.06×
1.48×
Q3 25
3.16×
1.30×
Q2 25
1.44×
0.68×
Q1 25
-1.19×
0.93×
Q4 24
1.56×
Q3 24
1.51×
1.39×
Q2 24
0.80×
Q1 24
0.15×
0.99×

Financial Flow Comparison

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

Revenue Breakdown by Segment

WTM
WTM

Segment breakdown not available.

ZTS
ZTS

Other$1.3B56%
Livestock$234.0M10%
Pain Sedation$209.0M9%
Other Pharmaceuticals$188.0M8%
Swine$125.0M5%
Poultry$117.0M5%
Fish$81.0M3%
Other Non Pharmaceuticals$70.0M3%
Manufactured Product Other$18.0M1%
Medicated Feed Additives$12.0M1%

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