vs

Side-by-side financial comparison of Monolithic Power Systems (MPWR) and Quanex Building Products CORP (NX). Click either name above to swap in a different company.

Monolithic Power Systems is the larger business by last-quarter revenue ($804.2M vs $495.3M, roughly 1.6× Quanex Building Products CORP). Monolithic Power Systems runs the higher net margin — 24.0% vs -55.7%, a 79.8% gap on every dollar of revenue. On growth, Quanex Building Products CORP posted the faster year-over-year revenue change (76.7% vs 26.1%). Over the past eight quarters, Quanex Building Products CORP's revenue compounded faster (29.5% CAGR vs 25.9%).

Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in Kirkland, Washington. It operates in more than 15 locations worldwide.

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.

MPWR vs NX — Head-to-Head

Bigger by revenue
MPWR
MPWR
1.6× larger
MPWR
$804.2M
$495.3M
NX
Growing faster (revenue YoY)
NX
NX
+50.5% gap
NX
76.7%
26.1%
MPWR
Higher net margin
MPWR
MPWR
79.8% more per $
MPWR
24.0%
-55.7%
NX
Faster 2-yr revenue CAGR
NX
NX
Annualised
NX
29.5%
25.9%
MPWR

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
MPWR
MPWR
NX
NX
Revenue
$804.2M
$495.3M
Net Profit
$193.2M
$-276.0M
Gross Margin
55.3%
27.9%
Operating Margin
30.0%
-54.7%
Net Margin
24.0%
-55.7%
Revenue YoY
26.1%
76.7%
Net Profit YoY
43.1%
-1188.8%
EPS (diluted)
$3.92
$-6.04

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
MPWR
MPWR
NX
NX
Q1 26
$804.2M
Q4 25
$751.2M
Q3 25
$737.2M
$495.3M
Q2 25
$664.6M
$452.5M
Q1 25
$637.6M
$400.0M
Q4 24
$621.7M
$492.2M
Q3 24
$620.1M
$280.3M
Q2 24
$507.4M
$266.2M
Net Profit
MPWR
MPWR
NX
NX
Q1 26
$193.2M
Q4 25
$171.7M
Q3 25
$179.8M
$-276.0M
Q2 25
$135.0M
$20.5M
Q1 25
$135.1M
$-14.9M
Q4 24
$1.3B
$-13.9M
Q3 24
$144.4M
$25.4M
Q2 24
$100.4M
$15.4M
Gross Margin
MPWR
MPWR
NX
NX
Q1 26
55.3%
Q4 25
55.2%
Q3 25
55.1%
27.9%
Q2 25
55.1%
29.0%
Q1 25
55.4%
23.1%
Q4 24
55.4%
Q3 24
55.4%
25.3%
Q2 24
55.3%
24.9%
Operating Margin
MPWR
MPWR
NX
NX
Q1 26
30.0%
Q4 25
26.6%
Q3 25
26.5%
-54.7%
Q2 25
24.8%
9.0%
Q1 25
26.5%
-1.7%
Q4 24
26.3%
0.6%
Q3 24
26.5%
8.4%
Q2 24
23.0%
7.8%
Net Margin
MPWR
MPWR
NX
NX
Q1 26
24.0%
Q4 25
22.9%
Q3 25
24.4%
-55.7%
Q2 25
20.3%
4.5%
Q1 25
21.2%
-3.7%
Q4 24
201.8%
-2.8%
Q3 24
23.3%
9.0%
Q2 24
19.8%
5.8%
EPS (diluted)
MPWR
MPWR
NX
NX
Q1 26
$3.92
Q4 25
$3.50
Q3 25
$3.74
$-6.04
Q2 25
$2.81
$0.44
Q1 25
$2.81
$-0.32
Q4 24
$25.71
$-0.52
Q3 24
$2.95
$0.77
Q2 24
$2.05
$0.46

Balance Sheet & Financial Strength

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

Metric
MPWR
MPWR
NX
NX
Cash + ST InvestmentsLiquidity on hand
$1.4B
$66.3M
Total DebtLower is stronger
$695.6M
Stockholders' EquityBook value
$3.7B
$717.4M
Total Assets
$4.4B
$2.0B
Debt / EquityLower = less leverage
0.97×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPWR
MPWR
NX
NX
Q1 26
$1.4B
Q4 25
$1.3B
Q3 25
$1.3B
$66.3M
Q2 25
$1.1B
$62.6M
Q1 25
$1.0B
$50.0M
Q4 24
$862.9M
$97.7M
Q3 24
$1.5B
$94.0M
Q2 24
$1.3B
$56.1M
Total Debt
MPWR
MPWR
NX
NX
Q1 26
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
Stockholders' Equity
MPWR
MPWR
NX
NX
Q1 26
$3.7B
Q4 25
$3.5B
Q3 25
$3.4B
$717.4M
Q2 25
$3.2B
$1.0B
Q1 25
$3.1B
$972.1M
Q4 24
$3.0B
$1.0B
Q3 24
$2.4B
$594.1M
Q2 24
$2.2B
$566.1M
Total Assets
MPWR
MPWR
NX
NX
Q1 26
$4.4B
Q4 25
$4.2B
Q3 25
$4.1B
$2.0B
Q2 25
$3.9B
$2.3B
Q1 25
$3.7B
$2.2B
Q4 24
$3.5B
$2.3B
Q3 24
$2.9B
$872.5M
Q2 24
$2.6B
$837.2M
Debt / Equity
MPWR
MPWR
NX
NX
Q1 26
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×

Cash Flow & Capital Efficiency

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

Metric
MPWR
MPWR
NX
NX
Operating Cash FlowLast quarter
$60.7M
Free Cash FlowOCF − Capex
$46.2M
FCF MarginFCF / Revenue
9.3%
Capex IntensityCapex / Revenue
2.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$27.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPWR
MPWR
NX
NX
Q1 26
Q4 25
$104.9M
Q3 25
$239.3M
$60.7M
Q2 25
$237.6M
$28.5M
Q1 25
$256.4M
$-12.5M
Q4 24
$167.7M
$5.5M
Q3 24
$231.7M
$46.4M
Q2 24
$141.0M
$33.1M
Free Cash Flow
MPWR
MPWR
NX
NX
Q1 26
Q4 25
$63.9M
Q3 25
$196.8M
$46.2M
Q2 25
$189.5M
$13.6M
Q1 25
$216.0M
$-24.1M
Q4 24
$102.9M
$-8.2M
Q3 24
$197.9M
$40.1M
Q2 24
$109.5M
$25.5M
FCF Margin
MPWR
MPWR
NX
NX
Q1 26
Q4 25
8.5%
Q3 25
26.7%
9.3%
Q2 25
28.5%
3.0%
Q1 25
33.9%
-6.0%
Q4 24
16.5%
-1.7%
Q3 24
31.9%
14.3%
Q2 24
21.6%
9.6%
Capex Intensity
MPWR
MPWR
NX
NX
Q1 26
Q4 25
5.5%
Q3 25
5.8%
2.9%
Q2 25
7.2%
3.3%
Q1 25
6.3%
2.9%
Q4 24
10.4%
2.8%
Q3 24
5.5%
2.2%
Q2 24
6.2%
2.9%
Cash Conversion
MPWR
MPWR
NX
NX
Q1 26
Q4 25
0.61×
Q3 25
1.33×
Q2 25
1.76×
1.39×
Q1 25
1.90×
Q4 24
0.13×
Q3 24
1.60×
1.83×
Q2 24
1.40×
2.15×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPWR
MPWR

Segment breakdown not available.

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%

Related Comparisons