vs

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

WHITE MOUNTAINS INSURANCE GROUP LTD is the larger business by last-quarter revenue ($1.6B vs $982.9M, roughly 1.6× APTARGROUP, INC.). WHITE MOUNTAINS INSURANCE GROUP LTD runs the higher net margin — 52.1% vs 7.4%, a 44.7% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs 10.8%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs 3.9%).

AptarGroup, Inc., also known as Aptar, is a United States–based global manufacturer of consumer dispensing packaging and drug delivery devices. The group has manufacturing operations in 18 countries.

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.

ATR vs WTM — Head-to-Head

Bigger by revenue
WTM
WTM
1.6× larger
WTM
$1.6B
$982.9M
ATR
Growing faster (revenue YoY)
WTM
WTM
+337.2% gap
WTM
348.0%
10.8%
ATR
Higher net margin
WTM
WTM
44.7% more per $
WTM
52.1%
7.4%
ATR
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
3.9%
ATR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ATR
ATR
WTM
WTM
Revenue
$982.9M
$1.6B
Net Profit
$72.8M
$835.8M
Gross Margin
97.1%
Operating Margin
10.9%
56.2%
Net Margin
7.4%
52.1%
Revenue YoY
10.8%
348.0%
Net Profit YoY
-7.5%
741.0%
EPS (diluted)
$1.12
$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
ATR
ATR
WTM
WTM
Q1 26
$982.9M
Q4 25
$962.7M
$1.6B
Q3 25
$961.1M
$864.2M
Q2 25
$966.0M
$689.2M
Q1 25
$887.3M
$577.8M
Q4 24
$848.1M
$358.0M
Q3 24
$909.3M
$839.1M
Q2 24
$910.1M
$395.4M
Net Profit
ATR
ATR
WTM
WTM
Q1 26
$72.8M
Q4 25
$74.3M
$835.8M
Q3 25
$127.9M
$113.8M
Q2 25
$111.7M
$122.9M
Q1 25
$78.8M
$33.9M
Q4 24
$100.9M
$-130.4M
Q3 24
$100.0M
$179.0M
Q2 24
$90.5M
$-54.6M
Gross Margin
ATR
ATR
WTM
WTM
Q1 26
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%
Operating Margin
ATR
ATR
WTM
WTM
Q1 26
10.9%
Q4 25
11.0%
56.2%
Q3 25
14.2%
20.7%
Q2 25
14.9%
25.6%
Q1 25
12.8%
12.5%
Q4 24
14.2%
-33.7%
Q3 24
15.2%
28.5%
Q2 24
13.8%
-8.8%
Net Margin
ATR
ATR
WTM
WTM
Q1 26
7.4%
Q4 25
7.7%
52.1%
Q3 25
13.3%
13.2%
Q2 25
11.6%
17.8%
Q1 25
8.9%
5.9%
Q4 24
11.9%
-36.4%
Q3 24
11.0%
21.3%
Q2 24
9.9%
-13.8%
EPS (diluted)
ATR
ATR
WTM
WTM
Q1 26
$1.12
Q4 25
$1.13
$325.02
Q3 25
$1.92
$44.18
Q2 25
$1.67
$47.75
Q1 25
$1.17
$13.19
Q4 24
$1.48
$-50.98
Q3 24
$1.48
$69.68
Q2 24
$1.34
$-21.24

Balance Sheet & Financial Strength

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

Metric
ATR
ATR
WTM
WTM
Cash + ST InvestmentsLiquidity on hand
$229.5M
Total DebtLower is stronger
$837.0M
Stockholders' EquityBook value
$2.6B
$5.4B
Total Assets
$5.1B
$12.3B
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATR
ATR
WTM
WTM
Q1 26
$229.5M
Q4 25
$409.5M
Q3 25
$264.8M
Q2 25
$169.8M
Q1 25
$136.8M
Q4 24
$226.2M
Q3 24
$327.9M
Q2 24
$223.9M
Total Debt
ATR
ATR
WTM
WTM
Q1 26
Q4 25
$1.1B
$837.0M
Q3 25
$546.0M
$870.4M
Q2 25
$535.1M
$694.6M
Q1 25
$561.2M
$676.1M
Q4 24
$688.1M
$562.5M
Q3 24
$822.7M
$544.9M
Q2 24
$681.5M
$530.2M
Stockholders' Equity
ATR
ATR
WTM
WTM
Q1 26
$2.6B
Q4 25
$2.7B
$5.4B
Q3 25
$2.8B
$4.8B
Q2 25
$2.7B
$4.6B
Q1 25
$2.5B
$4.5B
Q4 24
$2.5B
$4.5B
Q3 24
$2.5B
$4.6B
Q2 24
$2.4B
$4.4B
Total Assets
ATR
ATR
WTM
WTM
Q1 26
$5.1B
Q4 25
$5.3B
$12.3B
Q3 25
$5.1B
$12.3B
Q2 25
$4.9B
$11.8B
Q1 25
$4.5B
$11.0B
Q4 24
$4.4B
$9.9B
Q3 24
$4.6B
$10.3B
Q2 24
$4.5B
$10.2B
Debt / Equity
ATR
ATR
WTM
WTM
Q1 26
Q4 25
0.43×
0.15×
Q3 25
0.20×
0.18×
Q2 25
0.20×
0.15×
Q1 25
0.22×
0.15×
Q4 24
0.28×
0.13×
Q3 24
0.32×
0.12×
Q2 24
0.28×
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
ATR
ATR
WTM
WTM
Operating Cash FlowLast quarter
$53.9M
Free Cash FlowOCF − Capex
$53.3M
FCF MarginFCF / Revenue
5.4%
Capex IntensityCapex / Revenue
6.7%
Cash ConversionOCF / Net Profit
0.06×
TTM Free Cash FlowTrailing 4 quarters
$327.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATR
ATR
WTM
WTM
Q1 26
Q4 25
$183.7M
$53.9M
Q3 25
$177.6M
$359.3M
Q2 25
$126.0M
$177.5M
Q1 25
$82.7M
$-40.2M
Q4 24
$178.2M
$64.1M
Q3 24
$229.3M
$269.4M
Q2 24
$143.6M
$216.8M
Free Cash Flow
ATR
ATR
WTM
WTM
Q1 26
$53.3M
Q4 25
$96.9M
Q3 25
$114.3M
Q2 25
$62.5M
Q1 25
$25.9M
Q4 24
$112.2M
Q3 24
$162.7M
Q2 24
$75.4M
FCF Margin
ATR
ATR
WTM
WTM
Q1 26
5.4%
Q4 25
10.1%
Q3 25
11.9%
Q2 25
6.5%
Q1 25
2.9%
Q4 24
13.2%
Q3 24
17.9%
Q2 24
8.3%
Capex Intensity
ATR
ATR
WTM
WTM
Q1 26
6.7%
Q4 25
9.0%
Q3 25
6.6%
Q2 25
6.6%
Q1 25
6.4%
Q4 24
7.8%
Q3 24
7.3%
Q2 24
7.5%
Cash Conversion
ATR
ATR
WTM
WTM
Q1 26
Q4 25
2.47×
0.06×
Q3 25
1.39×
3.16×
Q2 25
1.13×
1.44×
Q1 25
1.05×
-1.19×
Q4 24
1.77×
Q3 24
2.29×
1.51×
Q2 24
1.59×

Financial Flow Comparison

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

Related Comparisons