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Side-by-side financial comparison of Owens Corning (OC) and W. R. Berkley Corporation (WRB). Click either name above to swap in a different company.

W. R. Berkley Corporation is the larger business by last-quarter revenue ($3.7B vs $2.1B, roughly 1.7× Owens Corning). W. R. Berkley Corporation runs the higher net margin — 14.0% vs -13.9%, a 27.9% gap on every dollar of revenue. On growth, W. R. Berkley Corporation posted the faster year-over-year revenue change (4.0% vs -24.6%). Over the past eight quarters, W. R. Berkley Corporation's revenue compounded faster (5.5% 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...

William Robert Berkley is the founder and current chairman of W. R. Berkley Corporation and the chairman of the New York University Board of Trustees.

OC vs WRB — Head-to-Head

Bigger by revenue
WRB
WRB
1.7× larger
WRB
$3.7B
$2.1B
OC
Growing faster (revenue YoY)
WRB
WRB
+28.6% gap
WRB
4.0%
-24.6%
OC
Higher net margin
WRB
WRB
27.9% more per $
WRB
14.0%
-13.9%
OC
Faster 2-yr revenue CAGR
WRB
WRB
Annualised
WRB
5.5%
-3.5%
OC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
OC
OC
WRB
WRB
Revenue
$2.1B
$3.7B
Net Profit
$-298.0M
$515.2M
Gross Margin
23.2%
Operating Margin
-10.5%
Net Margin
-13.9%
14.0%
Revenue YoY
-24.6%
4.0%
Net Profit YoY
-15.5%
23.4%
EPS (diluted)
$-3.47
$1.31

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
WRB
WRB
Q1 26
$3.7B
Q4 25
$2.1B
$3.7B
Q3 25
$2.7B
$3.8B
Q2 25
$2.7B
$3.7B
Q1 25
$2.5B
$3.5B
Q4 24
$2.8B
$3.7B
Q3 24
$3.0B
$3.4B
Q2 24
$2.8B
$3.3B
Net Profit
OC
OC
WRB
WRB
Q1 26
$515.2M
Q4 25
$-298.0M
$449.5M
Q3 25
$-494.0M
$511.0M
Q2 25
$363.0M
$401.3M
Q1 25
$-93.0M
$417.6M
Q4 24
$-258.0M
$576.1M
Q3 24
$321.0M
$365.6M
Q2 24
$285.0M
$371.9M
Gross Margin
OC
OC
WRB
WRB
Q1 26
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%
Operating Margin
OC
OC
WRB
WRB
Q1 26
Q4 25
-10.5%
15.4%
Q3 25
-12.2%
17.2%
Q2 25
18.4%
14.2%
Q1 25
16.1%
15.2%
Q4 24
-8.5%
19.9%
Q3 24
16.7%
14.0%
Q2 24
16.4%
14.7%
Net Margin
OC
OC
WRB
WRB
Q1 26
14.0%
Q4 25
-13.9%
12.1%
Q3 25
-18.4%
13.6%
Q2 25
13.2%
10.9%
Q1 25
-3.7%
11.8%
Q4 24
-9.1%
15.7%
Q3 24
10.5%
10.8%
Q2 24
10.2%
11.2%
EPS (diluted)
OC
OC
WRB
WRB
Q1 26
$1.31
Q4 25
$-3.47
$1.13
Q3 25
$-5.92
$1.28
Q2 25
$4.25
$1.00
Q1 25
$-1.08
$1.04
Q4 24
$-2.92
$0.89
Q3 24
$3.65
$0.91
Q2 24
$3.24
$0.92

Balance Sheet & Financial Strength

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

Metric
OC
OC
WRB
WRB
Cash + ST InvestmentsLiquidity on hand
$345.0M
$2.1B
Total DebtLower is stronger
$4.7B
Stockholders' EquityBook value
$3.9B
Total Assets
$13.0B
$44.3B
Debt / EquityLower = less leverage
1.22×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OC
OC
WRB
WRB
Q1 26
$2.1B
Q4 25
$345.0M
$2.5B
Q3 25
$286.0M
$2.4B
Q2 25
$230.0M
$2.0B
Q1 25
$400.0M
$1.7B
Q4 24
$361.0M
$2.0B
Q3 24
$499.0M
$1.6B
Q2 24
$254.0M
$1.6B
Total Debt
OC
OC
WRB
WRB
Q1 26
Q4 25
$4.7B
Q3 25
$4.7B
Q2 25
$5.1B
Q1 25
$5.0B
Q4 24
$5.1B
Q3 24
$5.0B
Q2 24
$5.0B
Stockholders' Equity
OC
OC
WRB
WRB
Q1 26
Q4 25
$3.9B
$9.7B
Q3 25
$4.4B
$9.8B
Q2 25
$5.2B
$9.3B
Q1 25
$4.9B
$8.9B
Q4 24
$5.1B
$8.4B
Q3 24
$5.6B
$8.4B
Q2 24
$5.5B
$7.8B
Total Assets
OC
OC
WRB
WRB
Q1 26
$44.3B
Q4 25
$13.0B
$44.1B
Q3 25
$13.5B
$43.7B
Q2 25
$14.5B
$42.7B
Q1 25
$14.3B
$41.3B
Q4 24
$14.1B
$40.6B
Q3 24
$15.1B
$40.4B
Q2 24
$15.0B
$38.9B
Debt / Equity
OC
OC
WRB
WRB
Q1 26
Q4 25
1.22×
Q3 25
1.06×
Q2 25
0.98×
Q1 25
1.03×
Q4 24
1.01×
Q3 24
0.89×
Q2 24
0.92×

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
WRB
WRB
Operating Cash FlowLast quarter
$590.0M
Free Cash FlowOCF − Capex
$333.0M
FCF MarginFCF / Revenue
15.5%
Capex IntensityCapex / Revenue
12.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$962.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OC
OC
WRB
WRB
Q1 26
Q4 25
$590.0M
$995.1M
Q3 25
$918.0M
$1.1B
Q2 25
$327.0M
$703.8M
Q1 25
$-49.0M
$743.8M
Q4 24
$676.0M
$810.0M
Q3 24
$699.0M
$1.2B
Q2 24
$493.0M
$881.3M
Free Cash Flow
OC
OC
WRB
WRB
Q1 26
Q4 25
$333.0M
Q3 25
$752.0M
Q2 25
$129.0M
Q1 25
$-252.0M
Q4 24
$479.0M
Q3 24
$558.0M
Q2 24
$336.0M
FCF Margin
OC
OC
WRB
WRB
Q1 26
Q4 25
15.5%
Q3 25
28.0%
Q2 25
4.7%
Q1 25
-10.0%
Q4 24
16.9%
Q3 24
18.3%
Q2 24
12.0%
Capex Intensity
OC
OC
WRB
WRB
Q1 26
Q4 25
12.0%
Q3 25
6.2%
Q2 25
7.2%
Q1 25
8.0%
Q4 24
6.9%
Q3 24
4.6%
Q2 24
5.6%
Cash Conversion
OC
OC
WRB
WRB
Q1 26
Q4 25
2.21×
Q3 25
2.23×
Q2 25
0.90×
1.75×
Q1 25
1.78×
Q4 24
1.41×
Q3 24
2.18×
3.39×
Q2 24
1.73×
2.37×

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%

WRB
WRB

Segment breakdown not available.

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