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Side-by-side financial comparison of Monolithic Power Systems (MPWR) and Root, Inc. (ROOT). Click either name above to swap in a different company.

Monolithic Power Systems is the larger business by last-quarter revenue ($751.2M vs $397.0M, roughly 1.9× Root, Inc.). On growth, Root, Inc. posted the faster year-over-year revenue change (21.5% vs 20.8%). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (28.1% CAGR vs 24.8%).

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

Root Insurance Company is an online car insurance company operating in the United States.

MPWR vs ROOT — Head-to-Head

Bigger by revenue
MPWR
MPWR
1.9× larger
MPWR
$751.2M
$397.0M
ROOT
Growing faster (revenue YoY)
ROOT
ROOT
+0.7% gap
ROOT
21.5%
20.8%
MPWR
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
28.1%
24.8%
ROOT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MPWR
MPWR
ROOT
ROOT
Revenue
$751.2M
$397.0M
Net Profit
$171.7M
Gross Margin
55.2%
Operating Margin
26.6%
2.6%
Net Margin
22.9%
Revenue YoY
20.8%
21.5%
Net Profit YoY
-86.3%
EPS (diluted)
$3.50
$0.35

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
ROOT
ROOT
Q4 25
$751.2M
$397.0M
Q3 25
$737.2M
$387.8M
Q2 25
$664.6M
$382.9M
Q1 25
$637.6M
$349.4M
Q4 24
$621.7M
$326.7M
Q3 24
$620.1M
$305.7M
Q2 24
$507.4M
$289.2M
Q1 24
$457.9M
$254.9M
Net Profit
MPWR
MPWR
ROOT
ROOT
Q4 25
$171.7M
Q3 25
$179.8M
$-5.4M
Q2 25
$135.0M
$22.0M
Q1 25
$135.1M
$18.4M
Q4 24
$1.3B
Q3 24
$144.4M
$22.8M
Q2 24
$100.4M
$-7.8M
Q1 24
$92.5M
$-6.2M
Gross Margin
MPWR
MPWR
ROOT
ROOT
Q4 25
55.2%
Q3 25
55.1%
Q2 25
55.1%
Q1 25
55.4%
Q4 24
55.4%
Q3 24
55.4%
Q2 24
55.3%
Q1 24
55.1%
Operating Margin
MPWR
MPWR
ROOT
ROOT
Q4 25
26.6%
2.6%
Q3 25
26.5%
0.1%
Q2 25
24.8%
7.1%
Q1 25
26.5%
6.8%
Q4 24
26.3%
10.7%
Q3 24
26.5%
11.3%
Q2 24
23.0%
1.3%
Q1 24
20.9%
2.1%
Net Margin
MPWR
MPWR
ROOT
ROOT
Q4 25
22.9%
Q3 25
24.4%
-1.4%
Q2 25
20.3%
5.7%
Q1 25
21.2%
5.3%
Q4 24
201.8%
Q3 24
23.3%
7.5%
Q2 24
19.8%
-2.7%
Q1 24
20.2%
-2.4%
EPS (diluted)
MPWR
MPWR
ROOT
ROOT
Q4 25
$3.50
$0.35
Q3 25
$3.74
$-0.35
Q2 25
$2.81
$1.29
Q1 25
$2.81
$1.07
Q4 24
$25.71
$1.42
Q3 24
$2.95
$1.35
Q2 24
$2.05
$-0.52
Q1 24
$1.89
$-0.42

Balance Sheet & Financial Strength

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

Metric
MPWR
MPWR
ROOT
ROOT
Cash + ST InvestmentsLiquidity on hand
$1.3B
$669.3M
Total DebtLower is stronger
$200.3M
Stockholders' EquityBook value
$3.5B
$284.3M
Total Assets
$4.2B
$1.7B
Debt / EquityLower = less leverage
0.70×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPWR
MPWR
ROOT
ROOT
Q4 25
$1.3B
$669.3M
Q3 25
$1.3B
$653.3M
Q2 25
$1.1B
$641.4M
Q1 25
$1.0B
$609.4M
Q4 24
$862.9M
$599.3M
Q3 24
$1.5B
$674.8M
Q2 24
$1.3B
$667.2M
Q1 24
$1.3B
$640.5M
Total Debt
MPWR
MPWR
ROOT
ROOT
Q4 25
$200.3M
Q3 25
$200.4M
Q2 25
$200.1M
Q1 25
$200.0M
Q4 24
$200.1M
Q3 24
$300.9M
Q2 24
$300.1M
Q1 24
$299.3M
Stockholders' Equity
MPWR
MPWR
ROOT
ROOT
Q4 25
$3.5B
$284.3M
Q3 25
$3.4B
$265.0M
Q2 25
$3.2B
$244.5M
Q1 25
$3.1B
$228.7M
Q4 24
$3.0B
$203.7M
Q3 24
$2.4B
$181.9M
Q2 24
$2.2B
$151.3M
Q1 24
$2.1B
$165.7M
Total Assets
MPWR
MPWR
ROOT
ROOT
Q4 25
$4.2B
$1.7B
Q3 25
$4.1B
$1.6B
Q2 25
$3.9B
$1.6B
Q1 25
$3.7B
$1.6B
Q4 24
$3.5B
$1.5B
Q3 24
$2.9B
$1.6B
Q2 24
$2.6B
$1.5B
Q1 24
$2.6B
$1.4B
Debt / Equity
MPWR
MPWR
ROOT
ROOT
Q4 25
0.70×
Q3 25
0.76×
Q2 25
0.82×
Q1 25
0.87×
Q4 24
0.98×
Q3 24
1.65×
Q2 24
1.98×
Q1 24
1.81×

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
ROOT
ROOT
Operating Cash FlowLast quarter
$104.9M
$206.5M
Free Cash FlowOCF − Capex
$63.9M
FCF MarginFCF / Revenue
8.5%
Capex IntensityCapex / Revenue
5.5%
0.0%
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
MPWR
MPWR
ROOT
ROOT
Q4 25
$104.9M
$206.5M
Q3 25
$239.3M
$57.6M
Q2 25
$237.6M
$52.0M
Q1 25
$256.4M
$26.8M
Q4 24
$167.7M
$195.7M
Q3 24
$231.7M
$49.4M
Q2 24
$141.0M
$62.6M
Q1 24
$248.1M
$14.5M
Free Cash Flow
MPWR
MPWR
ROOT
ROOT
Q4 25
$63.9M
Q3 25
$196.8M
Q2 25
$189.5M
Q1 25
$216.0M
Q4 24
$102.9M
$195.3M
Q3 24
$197.9M
Q2 24
$109.5M
$62.4M
Q1 24
$232.1M
$14.3M
FCF Margin
MPWR
MPWR
ROOT
ROOT
Q4 25
8.5%
Q3 25
26.7%
Q2 25
28.5%
Q1 25
33.9%
Q4 24
16.5%
59.8%
Q3 24
31.9%
Q2 24
21.6%
21.6%
Q1 24
50.7%
5.6%
Capex Intensity
MPWR
MPWR
ROOT
ROOT
Q4 25
5.5%
0.0%
Q3 25
5.8%
0.0%
Q2 25
7.2%
0.0%
Q1 25
6.3%
0.0%
Q4 24
10.4%
0.1%
Q3 24
5.5%
0.0%
Q2 24
6.2%
0.1%
Q1 24
3.5%
0.1%
Cash Conversion
MPWR
MPWR
ROOT
ROOT
Q4 25
0.61×
Q3 25
1.33×
Q2 25
1.76×
2.36×
Q1 25
1.90×
1.46×
Q4 24
0.13×
Q3 24
1.60×
2.17×
Q2 24
1.40×
Q1 24
2.68×

Financial Flow Comparison

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

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