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Side-by-side financial comparison of Custom Truck One Source, Inc. (CTOS) and Monolithic Power Systems (MPWR). Click either name above to swap in a different company.

Monolithic Power Systems is the larger business by last-quarter revenue ($751.2M vs $422.2M, roughly 1.8× Custom Truck One Source, Inc.). Monolithic Power Systems runs the higher net margin — 22.9% vs -4.2%, a 27.1% gap on every dollar of revenue. On growth, Monolithic Power Systems posted the faster year-over-year revenue change (20.8% vs -8.5%). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (28.1% CAGR vs 14.8%).

Custom Truck One Source, Inc. is a leading provider of specialized heavy truck and equipment solutions in North America. It offers custom vehicle manufacturing, equipment sales and rentals, aftermarket parts, and maintenance services, serving core infrastructure, utility, construction, and energy industry segments.

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

CTOS vs MPWR — Head-to-Head

Bigger by revenue
MPWR
MPWR
1.8× larger
MPWR
$751.2M
$422.2M
CTOS
Growing faster (revenue YoY)
MPWR
MPWR
+29.4% gap
MPWR
20.8%
-8.5%
CTOS
Higher net margin
MPWR
MPWR
27.1% more per $
MPWR
22.9%
-4.2%
CTOS
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
28.1%
14.8%
CTOS

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CTOS
CTOS
MPWR
MPWR
Revenue
$422.2M
$751.2M
Net Profit
$-17.8M
$171.7M
Gross Margin
20.3%
55.2%
Operating Margin
2.9%
26.6%
Net Margin
-4.2%
22.9%
Revenue YoY
-8.5%
20.8%
Net Profit YoY
-333.7%
-86.3%
EPS (diluted)
$-0.08
$3.50

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
CTOS
CTOS
MPWR
MPWR
Q1 26
$422.2M
Q4 25
$387.3M
$751.2M
Q3 25
$359.9M
$737.2M
Q2 25
$392.2M
$664.6M
Q1 25
$307.1M
$637.6M
Q4 24
$398.3M
$621.7M
Q3 24
$337.5M
$620.1M
Q2 24
$320.6M
$507.4M
Net Profit
CTOS
CTOS
MPWR
MPWR
Q1 26
$-17.8M
Q4 25
$20.9M
$171.7M
Q3 25
$-5.8M
$179.8M
Q2 25
$-28.4M
$135.0M
Q1 25
$-17.8M
$135.1M
Q4 24
$27.6M
$1.3B
Q3 24
$-17.4M
$144.4M
Q2 24
$-24.5M
$100.4M
Gross Margin
CTOS
CTOS
MPWR
MPWR
Q1 26
20.3%
Q4 25
31.8%
55.2%
Q3 25
28.0%
55.1%
Q2 25
26.1%
55.1%
Q1 25
27.9%
55.4%
Q4 24
29.7%
55.4%
Q3 24
27.2%
55.4%
Q2 24
27.8%
55.3%
Operating Margin
CTOS
CTOS
MPWR
MPWR
Q1 26
2.9%
Q4 25
13.4%
26.6%
Q3 25
9.1%
26.5%
Q2 25
7.1%
24.8%
Q1 25
4.0%
26.5%
Q4 24
16.9%
26.3%
Q3 24
6.8%
26.5%
Q2 24
5.5%
23.0%
Net Margin
CTOS
CTOS
MPWR
MPWR
Q1 26
-4.2%
Q4 25
5.4%
22.9%
Q3 25
-1.6%
24.4%
Q2 25
-7.2%
20.3%
Q1 25
-5.8%
21.2%
Q4 24
6.9%
201.8%
Q3 24
-5.2%
23.3%
Q2 24
-7.6%
19.8%
EPS (diluted)
CTOS
CTOS
MPWR
MPWR
Q1 26
$-0.08
Q4 25
$0.10
$3.50
Q3 25
$-0.03
$3.74
Q2 25
$-0.13
$2.81
Q1 25
$-0.08
$2.81
Q4 24
$0.11
$25.71
Q3 24
$-0.07
$2.95
Q2 24
$-0.10
$2.05

Balance Sheet & Financial Strength

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

Metric
CTOS
CTOS
MPWR
MPWR
Cash + ST InvestmentsLiquidity on hand
$6.3M
$1.3B
Total DebtLower is stronger
$25.9M
Stockholders' EquityBook value
$809.1M
$3.5B
Total Assets
$3.4B
$4.2B
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTOS
CTOS
MPWR
MPWR
Q1 26
$6.3M
Q4 25
$6.3M
$1.3B
Q3 25
$13.1M
$1.3B
Q2 25
$5.3M
$1.1B
Q1 25
$5.4M
$1.0B
Q4 24
$3.8M
$862.9M
Q3 24
$8.4M
$1.5B
Q2 24
$8.1M
$1.3B
Total Debt
CTOS
CTOS
MPWR
MPWR
Q1 26
$25.9M
Q4 25
$1.6B
Q3 25
$1.6B
Q2 25
$1.6B
Q1 25
$1.6B
Q4 24
$1.5B
Q3 24
$1.6B
Q2 24
$1.5B
Stockholders' Equity
CTOS
CTOS
MPWR
MPWR
Q1 26
$809.1M
Q4 25
$809.1M
$3.5B
Q3 25
$784.7M
$3.4B
Q2 25
$790.1M
$3.2B
Q1 25
$813.4M
$3.1B
Q4 24
$861.3M
$3.0B
Q3 24
$837.5M
$2.4B
Q2 24
$856.7M
$2.2B
Total Assets
CTOS
CTOS
MPWR
MPWR
Q1 26
$3.4B
Q4 25
$3.4B
$4.2B
Q3 25
$3.5B
$4.1B
Q2 25
$3.6B
$3.9B
Q1 25
$3.5B
$3.7B
Q4 24
$3.5B
$3.5B
Q3 24
$3.6B
$2.9B
Q2 24
$3.5B
$2.6B
Debt / Equity
CTOS
CTOS
MPWR
MPWR
Q1 26
0.03×
Q4 25
2.03×
Q3 25
2.10×
Q2 25
2.04×
Q1 25
1.97×
Q4 24
1.77×
Q3 24
1.87×
Q2 24
1.79×

Cash Flow & Capital Efficiency

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

Metric
CTOS
CTOS
MPWR
MPWR
Operating Cash FlowLast quarter
$104.9M
Free Cash FlowOCF − Capex
$63.9M
FCF MarginFCF / Revenue
8.5%
Capex IntensityCapex / Revenue
5.5%
Cash ConversionOCF / Net Profit
0.61×
TTM Free Cash FlowTrailing 4 quarters
$666.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTOS
CTOS
MPWR
MPWR
Q1 26
Q4 25
$47.3M
$104.9M
Q3 25
$81.5M
$239.3M
Q2 25
$125.7M
$237.6M
Q1 25
$55.6M
$256.4M
Q4 24
$82.1M
$167.7M
Q3 24
$16.5M
$231.7M
Q2 24
$37.8M
$141.0M
Free Cash Flow
CTOS
CTOS
MPWR
MPWR
Q1 26
Q4 25
$63.9M
Q3 25
$196.8M
Q2 25
$189.5M
Q1 25
$216.0M
Q4 24
$102.9M
Q3 24
$197.9M
Q2 24
$109.5M
FCF Margin
CTOS
CTOS
MPWR
MPWR
Q1 26
Q4 25
8.5%
Q3 25
26.7%
Q2 25
28.5%
Q1 25
33.9%
Q4 24
16.5%
Q3 24
31.9%
Q2 24
21.6%
Capex Intensity
CTOS
CTOS
MPWR
MPWR
Q1 26
Q4 25
5.5%
Q3 25
5.8%
Q2 25
7.2%
Q1 25
6.3%
Q4 24
10.4%
Q3 24
5.5%
Q2 24
6.2%
Cash Conversion
CTOS
CTOS
MPWR
MPWR
Q1 26
Q4 25
2.27×
0.61×
Q3 25
1.33×
Q2 25
1.76×
Q1 25
1.90×
Q4 24
2.98×
0.13×
Q3 24
1.60×
Q2 24
1.40×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CTOS
CTOS

Equipment sales$273.9M65%
Rental revenue$116.3M28%
Parts sales and services$32.1M8%

MPWR
MPWR

Segment breakdown not available.

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