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Side-by-side financial comparison of Quanex Building Products CORP (NX) and Penumbra Inc (PEN). Click either name above to swap in a different company.

Quanex Building Products CORP is the larger business by last-quarter revenue ($495.3M vs $385.4M, roughly 1.3× Penumbra Inc). Penumbra Inc runs the higher net margin — 12.3% vs -55.7%, a 68.0% gap on every dollar of revenue. On growth, Quanex Building Products CORP posted the faster year-over-year revenue change (76.7% vs 22.1%). Penumbra Inc produced more free cash flow last quarter ($68.0M vs $46.2M). Over the past eight quarters, Quanex Building Products CORP's revenue compounded faster (29.5% CAGR vs 17.6%).

Quanex Building Products Corporation is a leading manufacturer of engineered building components and materials. Its core offerings include insulating glass spacers, window and door systems, and cabinet furniture components, serving residential and commercial construction markets across North America and Europe, with a focus on energy-efficient, sustainable building solutions.

Penumbra, Inc. is an American medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures devices for interventional therapies to treat vascular conditions such as stroke and aneurysm.

NX vs PEN — Head-to-Head

Bigger by revenue
NX
NX
1.3× larger
NX
$495.3M
$385.4M
PEN
Growing faster (revenue YoY)
NX
NX
+54.5% gap
NX
76.7%
22.1%
PEN
Higher net margin
PEN
PEN
68.0% more per $
PEN
12.3%
-55.7%
NX
More free cash flow
PEN
PEN
$21.8M more FCF
PEN
$68.0M
$46.2M
NX
Faster 2-yr revenue CAGR
NX
NX
Annualised
NX
29.5%
17.6%
PEN

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
NX
NX
PEN
PEN
Revenue
$495.3M
$385.4M
Net Profit
$-276.0M
$47.3M
Gross Margin
27.9%
68.0%
Operating Margin
-54.7%
15.4%
Net Margin
-55.7%
12.3%
Revenue YoY
76.7%
22.1%
Net Profit YoY
-1188.8%
40.6%
EPS (diluted)
$-6.04
$1.20

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
NX
NX
PEN
PEN
Q4 25
$385.4M
Q3 25
$495.3M
$354.7M
Q2 25
$452.5M
$339.5M
Q1 25
$400.0M
$324.1M
Q4 24
$492.2M
$315.5M
Q3 24
$280.3M
$301.0M
Q2 24
$266.2M
$299.4M
Q1 24
$239.2M
$278.7M
Net Profit
NX
NX
PEN
PEN
Q4 25
$47.3M
Q3 25
$-276.0M
$45.9M
Q2 25
$20.5M
$45.3M
Q1 25
$-14.9M
$39.2M
Q4 24
$-13.9M
$33.7M
Q3 24
$25.4M
$29.5M
Q2 24
$15.4M
$-60.2M
Q1 24
$6.2M
$11.0M
Gross Margin
NX
NX
PEN
PEN
Q4 25
68.0%
Q3 25
27.9%
67.8%
Q2 25
29.0%
66.0%
Q1 25
23.1%
66.6%
Q4 24
66.8%
Q3 24
25.3%
66.5%
Q2 24
24.9%
54.4%
Q1 24
21.5%
65.0%
Operating Margin
NX
NX
PEN
PEN
Q4 25
15.4%
Q3 25
-54.7%
13.8%
Q2 25
9.0%
12.0%
Q1 25
-1.7%
12.4%
Q4 24
0.6%
13.6%
Q3 24
8.4%
11.7%
Q2 24
7.8%
-27.0%
Q1 24
3.3%
4.3%
Net Margin
NX
NX
PEN
PEN
Q4 25
12.3%
Q3 25
-55.7%
12.9%
Q2 25
4.5%
13.3%
Q1 25
-3.7%
12.1%
Q4 24
-2.8%
10.7%
Q3 24
9.0%
9.8%
Q2 24
5.8%
-20.1%
Q1 24
2.6%
3.9%
EPS (diluted)
NX
NX
PEN
PEN
Q4 25
$1.20
Q3 25
$-6.04
$1.17
Q2 25
$0.44
$1.15
Q1 25
$-0.32
$1.00
Q4 24
$-0.52
$0.88
Q3 24
$0.77
$0.75
Q2 24
$0.46
$-1.55
Q1 24
$0.19
$0.28

Balance Sheet & Financial Strength

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

Metric
NX
NX
PEN
PEN
Cash + ST InvestmentsLiquidity on hand
$66.3M
$186.9M
Total DebtLower is stronger
$695.6M
Stockholders' EquityBook value
$717.4M
$1.4B
Total Assets
$2.0B
$1.8B
Debt / EquityLower = less leverage
0.97×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NX
NX
PEN
PEN
Q4 25
$186.9M
Q3 25
$66.3M
$321.0M
Q2 25
$62.6M
$421.8M
Q1 25
$50.0M
$376.1M
Q4 24
$97.7M
$324.4M
Q3 24
$94.0M
$280.5M
Q2 24
$56.1M
$288.3M
Q1 24
$44.4M
$223.1M
Total Debt
NX
NX
PEN
PEN
Q4 25
Q3 25
$695.6M
Q2 25
$746.4M
Q1 25
$725.2M
Q4 24
$737.2M
Q3 24
$51.4M
Q2 24
$51.5M
Q1 24
$61.6M
Stockholders' Equity
NX
NX
PEN
PEN
Q4 25
$1.4B
Q3 25
$717.4M
$1.4B
Q2 25
$1.0B
$1.3B
Q1 25
$972.1M
$1.2B
Q4 24
$1.0B
$1.2B
Q3 24
$594.1M
$1.1B
Q2 24
$566.1M
$1.2B
Q1 24
$555.0M
$1.2B
Total Assets
NX
NX
PEN
PEN
Q4 25
$1.8B
Q3 25
$2.0B
$1.7B
Q2 25
$2.3B
$1.7B
Q1 25
$2.2B
$1.6B
Q4 24
$2.3B
$1.5B
Q3 24
$872.5M
$1.5B
Q2 24
$837.2M
$1.5B
Q1 24
$813.4M
$1.6B
Debt / Equity
NX
NX
PEN
PEN
Q4 25
Q3 25
0.97×
Q2 25
0.75×
Q1 25
0.75×
Q4 24
0.73×
Q3 24
0.09×
Q2 24
0.09×
Q1 24
0.11×

Cash Flow & Capital Efficiency

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

Metric
NX
NX
PEN
PEN
Operating Cash FlowLast quarter
$60.7M
$86.5M
Free Cash FlowOCF − Capex
$46.2M
$68.0M
FCF MarginFCF / Revenue
9.3%
17.7%
Capex IntensityCapex / Revenue
2.9%
4.8%
Cash ConversionOCF / Net Profit
1.83×
TTM Free Cash FlowTrailing 4 quarters
$27.5M
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NX
NX
PEN
PEN
Q4 25
$86.5M
Q3 25
$60.7M
$58.3M
Q2 25
$28.5M
$44.9M
Q1 25
$-12.5M
$49.0M
Q4 24
$5.5M
$51.1M
Q3 24
$46.4M
$56.5M
Q2 24
$33.1M
$22.6M
Q1 24
$3.9M
$38.3M
Free Cash Flow
NX
NX
PEN
PEN
Q4 25
$68.0M
Q3 25
$46.2M
$42.0M
Q2 25
$13.6M
$29.4M
Q1 25
$-24.1M
$35.5M
Q4 24
$-8.2M
$45.7M
Q3 24
$40.1M
$51.0M
Q2 24
$25.5M
$18.1M
Q1 24
$-5.7M
$32.5M
FCF Margin
NX
NX
PEN
PEN
Q4 25
17.7%
Q3 25
9.3%
11.8%
Q2 25
3.0%
8.7%
Q1 25
-6.0%
11.0%
Q4 24
-1.7%
14.5%
Q3 24
14.3%
16.9%
Q2 24
9.6%
6.0%
Q1 24
-2.4%
11.7%
Capex Intensity
NX
NX
PEN
PEN
Q4 25
4.8%
Q3 25
2.9%
4.6%
Q2 25
3.3%
4.6%
Q1 25
2.9%
4.2%
Q4 24
2.8%
1.7%
Q3 24
2.2%
1.8%
Q2 24
2.9%
1.5%
Q1 24
4.0%
2.1%
Cash Conversion
NX
NX
PEN
PEN
Q4 25
1.83×
Q3 25
1.27×
Q2 25
1.39×
0.99×
Q1 25
1.25×
Q4 24
1.52×
Q3 24
1.83×
1.91×
Q2 24
2.15×
Q1 24
0.62×
3.48×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NX
NX

Window And Door Hardware$150.3M30%
Screens$76.8M16%
Window Profiles$68.2M14%
Spacers$54.7M11%
Wood Solutions$53.4M11%
Seals And Gaskets$29.9M6%
Access Solutions$27.4M6%
Mixing Solution$21.5M4%
Solar$5.3M1%
Product Type Other$3.3M1%

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

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