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Side-by-side financial comparison of Owens Corning (OC) and HANOVER INSURANCE GROUP, INC. (THG). Click either name above to swap in a different company.

Owens Corning is the larger business by last-quarter revenue ($2.1B vs $1.7B, roughly 1.3× HANOVER INSURANCE GROUP, INC.). HANOVER INSURANCE GROUP, INC. runs the higher net margin — 11.9% vs -13.9%, a 25.8% gap on every dollar of revenue. On growth, HANOVER INSURANCE GROUP, INC. posted the faster year-over-year revenue change (5.5% vs -24.6%). HANOVER INSURANCE GROUP, INC. produced more free cash flow last quarter ($377.0M vs $333.0M). Over the past eight quarters, HANOVER INSURANCE GROUP, INC.'s revenue compounded faster (3.8% CAGR vs -3.5%).

Owens Corning is an American company that develops and produces insulation, roofing, and fiberglass composites and related products. It is the world's largest manufacturer of fiberglass composites. It was formed in 1935 as a partnership between two major American glassworks, Corning Glass Works and Owens-Illinois. The company employs approximately 19,000 people around the world. Owens Corning has been a Fortune 500 company every year since the list was created in 1955. The Pink Panther is the...

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.

OC vs THG — Head-to-Head

Bigger by revenue
OC
OC
1.3× larger
OC
$2.1B
$1.7B
THG
Growing faster (revenue YoY)
THG
THG
+30.1% gap
THG
5.5%
-24.6%
OC
Higher net margin
THG
THG
25.8% more per $
THG
11.9%
-13.9%
OC
More free cash flow
THG
THG
$44.0M more FCF
THG
$377.0M
$333.0M
OC
Faster 2-yr revenue CAGR
THG
THG
Annualised
THG
3.8%
-3.5%
OC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OC
OC
THG
THG
Revenue
$2.1B
$1.7B
Net Profit
$-298.0M
$198.5M
Gross Margin
23.2%
Operating Margin
-10.5%
17.3%
Net Margin
-13.9%
11.9%
Revenue YoY
-24.6%
5.5%
Net Profit YoY
-15.5%
18.2%
EPS (diluted)
$-3.47
$5.46

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
OC
OC
THG
THG
Q4 25
$2.1B
$1.7B
Q3 25
$2.7B
$1.7B
Q2 25
$2.7B
$1.7B
Q1 25
$2.5B
$1.6B
Q4 24
$2.8B
$1.6B
Q3 24
$3.0B
$1.6B
Q2 24
$2.8B
$1.5B
Q1 24
$2.3B
$1.6B
Net Profit
OC
OC
THG
THG
Q4 25
$-298.0M
$198.5M
Q3 25
$-494.0M
$178.7M
Q2 25
$363.0M
$157.1M
Q1 25
$-93.0M
$128.2M
Q4 24
$-258.0M
$167.9M
Q3 24
$321.0M
$102.1M
Q2 24
$285.0M
$40.5M
Q1 24
$299.0M
$115.5M
Gross Margin
OC
OC
THG
THG
Q4 25
23.2%
Q3 25
28.2%
Q2 25
31.2%
Q1 25
28.7%
Q4 24
28.1%
Q3 24
29.8%
Q2 24
31.1%
Q1 24
29.6%
Operating Margin
OC
OC
THG
THG
Q4 25
-10.5%
17.3%
Q3 25
-12.2%
14.9%
Q2 25
18.4%
12.7%
Q1 25
16.1%
11.6%
Q4 24
-8.5%
16.1%
Q3 24
16.7%
9.6%
Q2 24
16.4%
6.2%
Q1 24
17.5%
9.7%
Net Margin
OC
OC
THG
THG
Q4 25
-13.9%
11.9%
Q3 25
-18.4%
10.7%
Q2 25
13.2%
9.5%
Q1 25
-3.7%
8.0%
Q4 24
-9.1%
10.6%
Q3 24
10.5%
6.5%
Q2 24
10.2%
2.6%
Q1 24
13.0%
7.4%
EPS (diluted)
OC
OC
THG
THG
Q4 25
$-3.47
$5.46
Q3 25
$-5.92
$4.90
Q2 25
$4.25
$4.30
Q1 25
$-1.08
$3.50
Q4 24
$-2.92
$4.60
Q3 24
$3.65
$2.80
Q2 24
$3.24
$1.12
Q1 24
$3.40
$3.18

Balance Sheet & Financial Strength

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

Metric
OC
OC
THG
THG
Cash + ST InvestmentsLiquidity on hand
$345.0M
$1.1B
Total DebtLower is stronger
$4.7B
$843.3M
Stockholders' EquityBook value
$3.9B
$3.6B
Total Assets
$13.0B
$16.9B
Debt / EquityLower = less leverage
1.22×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OC
OC
THG
THG
Q4 25
$345.0M
$1.1B
Q3 25
$286.0M
$915.7M
Q2 25
$230.0M
$244.1M
Q1 25
$400.0M
$315.1M
Q4 24
$361.0M
$435.5M
Q3 24
$499.0M
$427.1M
Q2 24
$254.0M
$337.6M
Q1 24
$1.3B
$264.6M
Total Debt
OC
OC
THG
THG
Q4 25
$4.7B
$843.3M
Q3 25
$4.7B
$843.0M
Q2 25
$5.1B
$347.8M
Q1 25
$5.0B
$722.5M
Q4 24
$5.1B
$722.3M
Q3 24
$5.0B
Q2 24
$5.0B
Q1 24
$2.6B
Stockholders' Equity
OC
OC
THG
THG
Q4 25
$3.9B
$3.6B
Q3 25
$4.4B
$3.4B
Q2 25
$5.2B
$3.2B
Q1 25
$4.9B
$3.0B
Q4 24
$5.1B
$2.8B
Q3 24
$5.6B
$2.9B
Q2 24
$5.5B
$2.6B
Q1 24
$5.2B
$2.5B
Total Assets
OC
OC
THG
THG
Q4 25
$13.0B
$16.9B
Q3 25
$13.5B
$16.8B
Q2 25
$14.5B
$15.7B
Q1 25
$14.3B
$15.5B
Q4 24
$14.1B
$15.3B
Q3 24
$15.1B
$15.4B
Q2 24
$15.0B
$14.9B
Q1 24
$11.3B
$14.6B
Debt / Equity
OC
OC
THG
THG
Q4 25
1.22×
0.24×
Q3 25
1.06×
0.25×
Q2 25
0.98×
0.11×
Q1 25
1.03×
0.24×
Q4 24
1.01×
0.25×
Q3 24
0.89×
Q2 24
0.92×
Q1 24
0.51×

Cash Flow & Capital Efficiency

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

Metric
OC
OC
THG
THG
Operating Cash FlowLast quarter
$590.0M
$378.2M
Free Cash FlowOCF − Capex
$333.0M
$377.0M
FCF MarginFCF / Revenue
15.5%
22.6%
Capex IntensityCapex / Revenue
12.0%
0.1%
Cash ConversionOCF / Net Profit
1.91×
TTM Free Cash FlowTrailing 4 quarters
$962.0M
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OC
OC
THG
THG
Q4 25
$590.0M
$378.2M
Q3 25
$918.0M
$554.4M
Q2 25
$327.0M
$206.6M
Q1 25
$-49.0M
$38.9M
Q4 24
$676.0M
$213.5M
Q3 24
$699.0M
$394.7M
Q2 24
$493.0M
$139.5M
Q1 24
$24.0M
$58.7M
Free Cash Flow
OC
OC
THG
THG
Q4 25
$333.0M
$377.0M
Q3 25
$752.0M
$551.4M
Q2 25
$129.0M
$204.9M
Q1 25
$-252.0M
$37.1M
Q4 24
$479.0M
$210.5M
Q3 24
$558.0M
$392.3M
Q2 24
$336.0M
$137.3M
Q1 24
$-128.0M
$56.1M
FCF Margin
OC
OC
THG
THG
Q4 25
15.5%
22.6%
Q3 25
28.0%
33.1%
Q2 25
4.7%
12.4%
Q1 25
-10.0%
2.3%
Q4 24
16.9%
13.3%
Q3 24
18.3%
25.1%
Q2 24
12.0%
8.9%
Q1 24
-5.6%
3.6%
Capex Intensity
OC
OC
THG
THG
Q4 25
12.0%
0.1%
Q3 25
6.2%
0.2%
Q2 25
7.2%
0.1%
Q1 25
8.0%
0.1%
Q4 24
6.9%
0.2%
Q3 24
4.6%
0.2%
Q2 24
5.6%
0.1%
Q1 24
6.6%
0.2%
Cash Conversion
OC
OC
THG
THG
Q4 25
1.91×
Q3 25
3.10×
Q2 25
0.90×
1.32×
Q1 25
0.30×
Q4 24
1.27×
Q3 24
2.18×
3.87×
Q2 24
1.73×
3.44×
Q1 24
0.08×
0.51×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OC
OC

Insulation$724.0M34%
Residential$625.0M29%
Doors$427.0M20%
Discontinued Operations Disposed Of By Sale$299.0M14%
Commercial And Industrial Sector$101.0M5%

THG
THG

Personal Lines Segment$684.6M41%
Core Commercial Lines Segment$617.8M37%
Specialty Lines Segment$377.9M23%

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