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Side-by-side financial comparison of Monolithic Power Systems (MPWR) and REGAL REXNORD CORP (RRX). Click either name above to swap in a different company.

REGAL REXNORD CORP is the larger business by last-quarter revenue ($1.5B vs $804.2M, roughly 1.9× Monolithic Power Systems). Monolithic Power Systems runs the higher net margin — 24.0% vs 4.2%, a 19.9% gap on every dollar of revenue. On growth, Monolithic Power Systems posted the faster year-over-year revenue change (26.1% vs 4.3%). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (25.9% CAGR vs -0.8%).

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

Regal Rexnord Corporation is a manufacturer of electric motors and power transmission components based in Milwaukee, Wisconsin. The company has manufacturing, sales, and service facilities throughout the United States, Canada, Mexico, Europe, and Asia, with about 29,000 employees.

MPWR vs RRX — Head-to-Head

Bigger by revenue
RRX
RRX
1.9× larger
RRX
$1.5B
$804.2M
MPWR
Growing faster (revenue YoY)
MPWR
MPWR
+21.9% gap
MPWR
26.1%
4.3%
RRX
Higher net margin
MPWR
MPWR
19.9% more per $
MPWR
24.0%
4.2%
RRX
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
25.9%
-0.8%
RRX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
MPWR
MPWR
RRX
RRX
Revenue
$804.2M
$1.5B
Net Profit
$193.2M
$63.4M
Gross Margin
55.3%
37.5%
Operating Margin
30.0%
10.8%
Net Margin
24.0%
4.2%
Revenue YoY
26.1%
4.3%
Net Profit YoY
43.1%
53.9%
EPS (diluted)
$3.92
$0.95

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
RRX
RRX
Q1 26
$804.2M
Q4 25
$751.2M
$1.5B
Q3 25
$737.2M
$1.5B
Q2 25
$664.6M
$1.5B
Q1 25
$637.6M
$1.4B
Q4 24
$621.7M
$1.5B
Q3 24
$620.1M
$1.5B
Q2 24
$507.4M
$1.5B
Net Profit
MPWR
MPWR
RRX
RRX
Q1 26
$193.2M
Q4 25
$171.7M
$63.4M
Q3 25
$179.8M
$79.6M
Q2 25
$135.0M
$79.2M
Q1 25
$135.1M
$57.3M
Q4 24
$1.3B
$41.2M
Q3 24
$144.4M
$72.7M
Q2 24
$100.4M
$62.5M
Gross Margin
MPWR
MPWR
RRX
RRX
Q1 26
55.3%
Q4 25
55.2%
37.5%
Q3 25
55.1%
37.0%
Q2 25
55.1%
37.7%
Q1 25
55.4%
37.2%
Q4 24
55.4%
34.9%
Q3 24
55.4%
37.7%
Q2 24
55.3%
36.9%
Operating Margin
MPWR
MPWR
RRX
RRX
Q1 26
30.0%
Q4 25
26.6%
10.8%
Q3 25
26.5%
11.6%
Q2 25
24.8%
12.2%
Q1 25
26.5%
11.3%
Q4 24
26.3%
8.8%
Q3 24
26.5%
11.8%
Q2 24
23.0%
12.5%
Net Margin
MPWR
MPWR
RRX
RRX
Q1 26
24.0%
Q4 25
22.9%
4.2%
Q3 25
24.4%
5.3%
Q2 25
20.3%
5.3%
Q1 25
21.2%
4.0%
Q4 24
201.8%
2.8%
Q3 24
23.3%
4.9%
Q2 24
19.8%
4.0%
EPS (diluted)
MPWR
MPWR
RRX
RRX
Q1 26
$3.92
Q4 25
$3.50
$0.95
Q3 25
$3.74
$1.20
Q2 25
$2.81
$1.19
Q1 25
$2.81
$0.86
Q4 24
$25.71
$0.61
Q3 24
$2.95
$1.09
Q2 24
$2.05
$0.94

Balance Sheet & Financial Strength

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

Metric
MPWR
MPWR
RRX
RRX
Cash + ST InvestmentsLiquidity on hand
$1.4B
$521.7M
Total DebtLower is stronger
$4.8B
Stockholders' EquityBook value
$3.7B
$6.8B
Total Assets
$4.4B
$13.9B
Debt / EquityLower = less leverage
0.70×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPWR
MPWR
RRX
RRX
Q1 26
$1.4B
Q4 25
$1.3B
$521.7M
Q3 25
$1.3B
$400.0M
Q2 25
$1.1B
$320.1M
Q1 25
$1.0B
$305.3M
Q4 24
$862.9M
$393.5M
Q3 24
$1.5B
$458.6M
Q2 24
$1.3B
$510.4M
Total Debt
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
$4.8B
Q3 25
Q2 25
Q1 25
Q4 24
$5.5B
Q3 24
$5.7B
Q2 24
$5.8B
Stockholders' Equity
MPWR
MPWR
RRX
RRX
Q1 26
$3.7B
Q4 25
$3.5B
$6.8B
Q3 25
$3.4B
$6.8B
Q2 25
$3.2B
$6.7B
Q1 25
$3.1B
$6.4B
Q4 24
$3.0B
$6.3B
Q3 24
$2.4B
$6.5B
Q2 24
$2.2B
$6.4B
Total Assets
MPWR
MPWR
RRX
RRX
Q1 26
$4.4B
Q4 25
$4.2B
$13.9B
Q3 25
$4.1B
$13.9B
Q2 25
$3.9B
$13.9B
Q1 25
$3.7B
$14.0B
Q4 24
$3.5B
$14.0B
Q3 24
$2.9B
$14.6B
Q2 24
$2.6B
$14.6B
Debt / Equity
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
0.70×
Q3 25
Q2 25
Q1 25
Q4 24
0.88×
Q3 24
0.87×
Q2 24
0.91×

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
RRX
RRX
Operating Cash FlowLast quarter
$167.8M
Free Cash FlowOCF − Capex
$140.6M
FCF MarginFCF / Revenue
9.2%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
2.65×
TTM Free Cash FlowTrailing 4 quarters
$893.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
$104.9M
$167.8M
Q3 25
$239.3M
$197.5M
Q2 25
$237.6M
$523.2M
Q1 25
$256.4M
$102.3M
Q4 24
$167.7M
$213.2M
Q3 24
$231.7M
$154.8M
Q2 24
$141.0M
$158.3M
Free Cash Flow
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
$63.9M
$140.6M
Q3 25
$196.8M
$174.0M
Q2 25
$189.5M
$493.0M
Q1 25
$216.0M
$85.5M
Q4 24
$102.9M
$183.9M
Q3 24
$197.9M
$125.5M
Q2 24
$109.5M
$125.9M
FCF Margin
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
8.5%
9.2%
Q3 25
26.7%
11.6%
Q2 25
28.5%
33.0%
Q1 25
33.9%
6.0%
Q4 24
16.5%
12.6%
Q3 24
31.9%
8.5%
Q2 24
21.6%
8.1%
Capex Intensity
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
5.5%
1.8%
Q3 25
5.8%
1.6%
Q2 25
7.2%
2.0%
Q1 25
6.3%
1.2%
Q4 24
10.4%
2.0%
Q3 24
5.5%
2.0%
Q2 24
6.2%
2.1%
Cash Conversion
MPWR
MPWR
RRX
RRX
Q1 26
Q4 25
0.61×
2.65×
Q3 25
1.33×
2.48×
Q2 25
1.76×
6.61×
Q1 25
1.90×
1.79×
Q4 24
0.13×
5.17×
Q3 24
1.60×
2.13×
Q2 24
1.40×
2.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPWR
MPWR

Segment breakdown not available.

RRX
RRX

Other$470.6M31%
Industrial Powertrain Solutions Segment$441.8M29%
Automation And Motion Control Segment$327.7M22%
Power Efficiency Solutions Segment$283.2M19%

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