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Side-by-side financial comparison of A. O. Smith (AOS) and HANOVER INSURANCE GROUP, INC. (THG). Click either name above to swap in a different company.

HANOVER INSURANCE GROUP, INC. is the larger business by last-quarter revenue ($1.7B vs $945.6M, roughly 1.8× A. O. Smith). A. O. Smith runs the higher net margin — 12.5% vs 11.0%, a 1.5% gap on every dollar of revenue. On growth, HANOVER INSURANCE GROUP, INC. posted the faster year-over-year revenue change (6.1% vs -2.0%). Over the past eight quarters, HANOVER INSURANCE GROUP, INC.'s revenue compounded faster (5.2% CAGR vs -3.9%).

A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and purification products in the Asian market. The company has 27 locations worldwide, including five manufacturing facilities in North America, as well as plants in Bengaluru in India, Nanjing in China and Veldhoven in The Netherlands.

The Hanover Insurance Group, Inc. is an insurance company based in Worcester, Massachusetts. It was the original name of a property-liability insurance firm established in 1852, and it remained a publicly traded company under that name until the early 1990s, when it changed its name to Allmerica Property & Casualty Companies.

AOS vs THG — Head-to-Head

Bigger by revenue
THG
THG
1.8× larger
THG
$1.7B
$945.6M
AOS
Growing faster (revenue YoY)
THG
THG
+8.1% gap
THG
6.1%
-2.0%
AOS
Higher net margin
AOS
AOS
1.5% more per $
AOS
12.5%
11.0%
THG
Faster 2-yr revenue CAGR
THG
THG
Annualised
THG
5.2%
-3.9%
AOS

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
AOS
AOS
THG
THG
Revenue
$945.6M
$1.7B
Net Profit
$118.0M
$186.8M
Gross Margin
38.7%
Operating Margin
11.1%
Net Margin
12.5%
11.0%
Revenue YoY
-2.0%
6.1%
Net Profit YoY
-14.0%
45.7%
EPS (diluted)
$0.85

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
AOS
AOS
THG
THG
Q1 26
$945.6M
$1.7B
Q4 25
$912.5M
$1.7B
Q3 25
$942.5M
$1.7B
Q2 25
$1.0B
$1.7B
Q1 25
$963.9M
$1.6B
Q4 24
$912.4M
$1.6B
Q3 24
$902.6M
$1.6B
Q2 24
$1.0B
$1.5B
Net Profit
AOS
AOS
THG
THG
Q1 26
$118.0M
$186.8M
Q4 25
$125.4M
$198.5M
Q3 25
$132.0M
$178.7M
Q2 25
$152.2M
$157.1M
Q1 25
$136.6M
$128.2M
Q4 24
$109.7M
$167.9M
Q3 24
$120.1M
$102.1M
Q2 24
$156.2M
$40.5M
Gross Margin
AOS
AOS
THG
THG
Q1 26
38.7%
Q4 25
38.4%
Q3 25
38.7%
Q2 25
39.3%
Q1 25
38.9%
Q4 24
37.1%
Q3 24
37.4%
Q2 24
38.7%
Operating Margin
AOS
AOS
THG
THG
Q1 26
11.1%
Q4 25
17.9%
17.3%
Q3 25
18.6%
14.9%
Q2 25
20.4%
12.7%
Q1 25
19.1%
11.6%
Q4 24
10.1%
16.1%
Q3 24
19.5%
9.6%
Q2 24
21.9%
6.2%
Net Margin
AOS
AOS
THG
THG
Q1 26
12.5%
11.0%
Q4 25
13.7%
11.9%
Q3 25
14.0%
10.7%
Q2 25
15.0%
9.5%
Q1 25
14.2%
8.0%
Q4 24
12.0%
10.6%
Q3 24
13.3%
6.5%
Q2 24
15.2%
2.6%
EPS (diluted)
AOS
AOS
THG
THG
Q1 26
$0.85
Q4 25
$0.89
$5.46
Q3 25
$0.94
$4.90
Q2 25
$1.07
$4.30
Q1 25
$0.95
$3.50
Q4 24
$0.75
$4.60
Q3 24
$0.82
$2.80
Q2 24
$1.06
$1.12

Balance Sheet & Financial Strength

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

Metric
AOS
AOS
THG
THG
Cash + ST InvestmentsLiquidity on hand
$185.2M
$243.5M
Total DebtLower is stronger
$574.2M
$843.8M
Stockholders' EquityBook value
$1.9B
$3.0B
Total Assets
$3.7B
$16.5B
Debt / EquityLower = less leverage
0.31×
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOS
AOS
THG
THG
Q1 26
$185.2M
$243.5M
Q4 25
$193.2M
$1.1B
Q3 25
$172.8M
$915.7M
Q2 25
$177.9M
$244.1M
Q1 25
$200.2M
$315.1M
Q4 24
$276.1M
$435.5M
Q3 24
$255.6M
$427.1M
Q2 24
$233.3M
$337.6M
Total Debt
AOS
AOS
THG
THG
Q1 26
$574.2M
$843.8M
Q4 25
$155.0M
$843.3M
Q3 25
$843.0M
Q2 25
$347.8M
Q1 25
$722.5M
Q4 24
$193.2M
$722.3M
Q3 24
Q2 24
Stockholders' Equity
AOS
AOS
THG
THG
Q1 26
$1.9B
$3.0B
Q4 25
$1.9B
$3.6B
Q3 25
$1.8B
$3.4B
Q2 25
$1.8B
$3.2B
Q1 25
$1.9B
$3.0B
Q4 24
$1.9B
$2.8B
Q3 24
$1.9B
$2.9B
Q2 24
$1.9B
$2.6B
Total Assets
AOS
AOS
THG
THG
Q1 26
$3.7B
$16.5B
Q4 25
$3.1B
$16.9B
Q3 25
$3.2B
$16.8B
Q2 25
$3.2B
$15.7B
Q1 25
$3.3B
$15.5B
Q4 24
$3.2B
$15.3B
Q3 24
$3.2B
$15.4B
Q2 24
$3.2B
$14.9B
Debt / Equity
AOS
AOS
THG
THG
Q1 26
0.31×
0.28×
Q4 25
0.08×
0.24×
Q3 25
0.25×
Q2 25
0.11×
Q1 25
0.24×
Q4 24
0.10×
0.25×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
AOS
AOS
THG
THG
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$118.9M
FCF MarginFCF / Revenue
12.6%
Capex IntensityCapex / Revenue
1.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$647.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOS
AOS
THG
THG
Q1 26
Q4 25
$183.1M
$378.2M
Q3 25
$255.4M
$554.4M
Q2 25
$139.6M
$206.6M
Q1 25
$38.7M
$38.9M
Q4 24
$221.9M
$213.5M
Q3 24
$195.9M
$394.7M
Q2 24
$57.4M
$139.5M
Free Cash Flow
AOS
AOS
THG
THG
Q1 26
$118.9M
Q4 25
$165.5M
$377.0M
Q3 25
$240.6M
$551.4M
Q2 25
$122.5M
$204.9M
Q1 25
$17.4M
$37.1M
Q4 24
$191.3M
$210.5M
Q3 24
$163.4M
$392.3M
Q2 24
$34.5M
$137.3M
FCF Margin
AOS
AOS
THG
THG
Q1 26
12.6%
Q4 25
18.1%
22.6%
Q3 25
25.5%
33.1%
Q2 25
12.1%
12.4%
Q1 25
1.8%
2.3%
Q4 24
21.0%
13.3%
Q3 24
18.1%
25.1%
Q2 24
3.4%
8.9%
Capex Intensity
AOS
AOS
THG
THG
Q1 26
1.1%
Q4 25
1.9%
0.1%
Q3 25
1.6%
0.2%
Q2 25
1.7%
0.1%
Q1 25
2.2%
0.1%
Q4 24
3.4%
0.2%
Q3 24
3.6%
0.2%
Q2 24
2.2%
0.1%
Cash Conversion
AOS
AOS
THG
THG
Q1 26
Q4 25
1.46×
1.91×
Q3 25
1.93×
3.10×
Q2 25
0.92×
1.32×
Q1 25
0.28×
0.30×
Q4 24
2.02×
1.27×
Q3 24
1.63×
3.87×
Q2 24
0.37×
3.44×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AOS
AOS

Segment breakdown not available.

THG
THG

Premiums earned$1.6B92%
Other$124.6M7%
Fees and other income$6.2M0%

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