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Side-by-side financial comparison of Monolithic Power Systems (MPWR) and OCEANEERING INTERNATIONAL INC (OII). Click either name above to swap in a different company.

Monolithic Power Systems is the larger business by last-quarter revenue ($804.2M vs $692.4M, roughly 1.2× OCEANEERING INTERNATIONAL INC). Monolithic Power Systems runs the higher net margin — 24.0% vs 5.2%, a 18.8% gap on every dollar of revenue. On growth, Monolithic Power Systems posted the faster year-over-year revenue change (26.1% vs 3.6%). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (25.9% CAGR vs 1.8%).

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

Oceaneering International, Inc. is a subsea engineering and applied technology company based in Houston, Texas, U.S. that provides engineered services and hardware to customers who operate in marine, space, and other environments.

MPWR vs OII — Head-to-Head

Bigger by revenue
MPWR
MPWR
1.2× larger
MPWR
$804.2M
$692.4M
OII
Growing faster (revenue YoY)
MPWR
MPWR
+22.6% gap
MPWR
26.1%
3.6%
OII
Higher net margin
MPWR
MPWR
18.8% more per $
MPWR
24.0%
5.2%
OII
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
25.9%
1.8%
OII

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
MPWR
MPWR
OII
OII
Revenue
$804.2M
$692.4M
Net Profit
$193.2M
$36.1M
Gross Margin
55.3%
Operating Margin
30.0%
Net Margin
24.0%
5.2%
Revenue YoY
26.1%
3.6%
Net Profit YoY
43.1%
-28.3%
EPS (diluted)
$3.92
$0.36

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
OII
OII
Q1 26
$804.2M
$692.4M
Q4 25
$751.2M
$668.6M
Q3 25
$737.2M
$742.9M
Q2 25
$664.6M
$698.2M
Q1 25
$637.6M
$674.5M
Q4 24
$621.7M
$713.5M
Q3 24
$620.1M
$679.8M
Q2 24
$507.4M
$668.8M
Net Profit
MPWR
MPWR
OII
OII
Q1 26
$193.2M
$36.1M
Q4 25
$171.7M
$177.7M
Q3 25
$179.8M
$71.3M
Q2 25
$135.0M
$54.4M
Q1 25
$135.1M
$50.4M
Q4 24
$1.3B
$56.1M
Q3 24
$144.4M
$41.2M
Q2 24
$100.4M
$35.0M
Gross Margin
MPWR
MPWR
OII
OII
Q1 26
55.3%
Q4 25
55.2%
19.8%
Q3 25
55.1%
20.6%
Q2 25
55.1%
21.3%
Q1 25
55.4%
20.0%
Q4 24
55.4%
19.9%
Q3 24
55.4%
19.3%
Q2 24
55.3%
18.0%
Operating Margin
MPWR
MPWR
OII
OII
Q1 26
30.0%
Q4 25
26.6%
9.8%
Q3 25
26.5%
11.6%
Q2 25
24.8%
11.3%
Q1 25
26.5%
10.9%
Q4 24
26.3%
10.9%
Q3 24
26.5%
10.5%
Q2 24
23.0%
9.0%
Net Margin
MPWR
MPWR
OII
OII
Q1 26
24.0%
5.2%
Q4 25
22.9%
26.6%
Q3 25
24.4%
9.6%
Q2 25
20.3%
7.8%
Q1 25
21.2%
7.5%
Q4 24
201.8%
7.9%
Q3 24
23.3%
6.1%
Q2 24
19.8%
5.2%
EPS (diluted)
MPWR
MPWR
OII
OII
Q1 26
$3.92
$0.36
Q4 25
$3.50
$1.75
Q3 25
$3.74
$0.71
Q2 25
$2.81
$0.54
Q1 25
$2.81
$0.49
Q4 24
$25.71
$0.55
Q3 24
$2.95
$0.40
Q2 24
$2.05
$0.34

Balance Sheet & Financial Strength

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

Metric
MPWR
MPWR
OII
OII
Cash + ST InvestmentsLiquidity on hand
$1.4B
Total DebtLower is stronger
$488.8M
Stockholders' EquityBook value
$3.7B
$1.1B
Total Assets
$4.4B
$2.6B
Debt / EquityLower = less leverage
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPWR
MPWR
OII
OII
Q1 26
$1.4B
Q4 25
$1.3B
$695.9M
Q3 25
$1.3B
$7.0M
Q2 25
$1.1B
$7.0M
Q1 25
$1.0B
$7.0M
Q4 24
$862.9M
$504.5M
Q3 24
$1.5B
Q2 24
$1.3B
Total Debt
MPWR
MPWR
OII
OII
Q1 26
$488.8M
Q4 25
$487.4M
Q3 25
Q2 25
Q1 25
Q4 24
$482.0M
Q3 24
Q2 24
Stockholders' Equity
MPWR
MPWR
OII
OII
Q1 26
$3.7B
$1.1B
Q4 25
$3.5B
$1.1B
Q3 25
$3.4B
$907.7M
Q2 25
$3.2B
$842.1M
Q1 25
$3.1B
$773.1M
Q4 24
$3.0B
$714.3M
Q3 24
$2.4B
$698.0M
Q2 24
$2.2B
$651.0M
Total Assets
MPWR
MPWR
OII
OII
Q1 26
$4.4B
$2.6B
Q4 25
$4.2B
$2.7B
Q3 25
$4.1B
$2.5B
Q2 25
$3.9B
$2.3B
Q1 25
$3.7B
$2.3B
Q4 24
$3.5B
$2.3B
Q3 24
$2.9B
$2.4B
Q2 24
$2.6B
$2.3B
Debt / Equity
MPWR
MPWR
OII
OII
Q1 26
0.44×
Q4 25
0.46×
Q3 25
Q2 25
Q1 25
Q4 24
0.67×
Q3 24
Q2 24

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
OII
OII
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$-76.5M
FCF MarginFCF / Revenue
-11.1%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$238.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPWR
MPWR
OII
OII
Q1 26
Q4 25
$104.9M
$221.1M
Q3 25
$239.3M
$101.3M
Q2 25
$237.6M
$77.2M
Q1 25
$256.4M
$-80.7M
Q4 24
$167.7M
$128.4M
Q3 24
$231.7M
$91.9M
Q2 24
$141.0M
$52.6M
Free Cash Flow
MPWR
MPWR
OII
OII
Q1 26
$-76.5M
Q4 25
$63.9M
$190.7M
Q3 25
$196.8M
$77.0M
Q2 25
$189.5M
$46.9M
Q1 25
$216.0M
$-106.8M
Q4 24
$102.9M
$94.5M
Q3 24
$197.9M
$67.0M
Q2 24
$109.5M
$29.8M
FCF Margin
MPWR
MPWR
OII
OII
Q1 26
-11.1%
Q4 25
8.5%
28.5%
Q3 25
26.7%
10.4%
Q2 25
28.5%
6.7%
Q1 25
33.9%
-15.8%
Q4 24
16.5%
13.2%
Q3 24
31.9%
9.9%
Q2 24
21.6%
4.5%
Capex Intensity
MPWR
MPWR
OII
OII
Q1 26
2.5%
Q4 25
5.5%
4.6%
Q3 25
5.8%
3.3%
Q2 25
7.2%
4.3%
Q1 25
6.3%
3.9%
Q4 24
10.4%
4.7%
Q3 24
5.5%
3.7%
Q2 24
6.2%
3.4%
Cash Conversion
MPWR
MPWR
OII
OII
Q1 26
Q4 25
0.61×
1.24×
Q3 25
1.33×
1.42×
Q2 25
1.76×
1.42×
Q1 25
1.90×
-1.60×
Q4 24
0.13×
2.29×
Q3 24
1.60×
2.23×
Q2 24
1.40×
1.50×

Financial Flow Comparison

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

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