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Side-by-side financial comparison of DIODES INC (DIOD) and MERIT MEDICAL SYSTEMS INC (MMSI). Click either name above to swap in a different company.

MERIT MEDICAL SYSTEMS INC is the larger business by last-quarter revenue ($393.9M vs $391.6M, roughly 1.0× DIODES INC). MERIT MEDICAL SYSTEMS INC runs the higher net margin — 9.6% vs 2.6%, a 7.0% gap on every dollar of revenue. On growth, DIODES INC posted the faster year-over-year revenue change (15.4% vs 10.9%). MERIT MEDICAL SYSTEMS INC produced more free cash flow last quarter ($74.0M vs $12.4M). Over the past eight quarters, DIODES INC's revenue compounded faster (13.9% CAGR vs 10.3%).

Diodes Incorporated is a global semiconductor manufacturer that designs, produces and supplies discrete, analog and mixed-signal semiconductor products. Its solutions serve key end markets including automotive, industrial, consumer electronics, personal computing and communications infrastructure, with a worldwide customer base.

Merit Medical Systems Inc. is a global medical device firm that designs, manufactures, and markets a broad portfolio of interventional and diagnostic products used across cardiology, radiology, oncology, endoscopy, and critical care segments. It primarily serves hospitals, clinics, and healthcare providers worldwide, focusing on minimally invasive solutions that enhance patient outcomes and streamline clinical workflows.

DIOD vs MMSI — Head-to-Head

Bigger by revenue
MMSI
MMSI
1.0× larger
MMSI
$393.9M
$391.6M
DIOD
Growing faster (revenue YoY)
DIOD
DIOD
+4.5% gap
DIOD
15.4%
10.9%
MMSI
Higher net margin
MMSI
MMSI
7.0% more per $
MMSI
9.6%
2.6%
DIOD
More free cash flow
MMSI
MMSI
$61.6M more FCF
MMSI
$74.0M
$12.4M
DIOD
Faster 2-yr revenue CAGR
DIOD
DIOD
Annualised
DIOD
13.9%
10.3%
MMSI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DIOD
DIOD
MMSI
MMSI
Revenue
$391.6M
$393.9M
Net Profit
$10.2M
$38.0M
Gross Margin
31.1%
49.6%
Operating Margin
3.4%
13.8%
Net Margin
2.6%
9.6%
Revenue YoY
15.4%
10.9%
Net Profit YoY
23.8%
36.0%
EPS (diluted)
$0.23
$0.64

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
DIOD
DIOD
MMSI
MMSI
Q4 25
$391.6M
$393.9M
Q3 25
$392.2M
$384.2M
Q2 25
$366.2M
$382.5M
Q1 25
$332.1M
$355.4M
Q4 24
$339.3M
$355.2M
Q3 24
$350.1M
$339.8M
Q2 24
$319.8M
$338.0M
Q1 24
$302.0M
$323.5M
Net Profit
DIOD
DIOD
MMSI
MMSI
Q4 25
$10.2M
$38.0M
Q3 25
$14.3M
$27.8M
Q2 25
$46.1M
$32.6M
Q1 25
$-4.4M
$30.1M
Q4 24
$8.2M
$27.9M
Q3 24
$13.7M
$28.4M
Q2 24
$8.0M
$35.7M
Q1 24
$14.0M
$28.2M
Gross Margin
DIOD
DIOD
MMSI
MMSI
Q4 25
31.1%
49.6%
Q3 25
30.7%
48.5%
Q2 25
31.5%
48.2%
Q1 25
31.5%
48.4%
Q4 24
32.7%
48.7%
Q3 24
33.7%
46.4%
Q2 24
33.6%
47.7%
Q1 24
33.0%
46.9%
Operating Margin
DIOD
DIOD
MMSI
MMSI
Q4 25
3.4%
13.8%
Q3 25
3.0%
11.1%
Q2 25
2.6%
12.3%
Q1 25
0.4%
11.5%
Q4 24
3.5%
10.3%
Q3 24
6.2%
11.0%
Q2 24
1.2%
13.6%
Q1 24
4.3%
11.1%
Net Margin
DIOD
DIOD
MMSI
MMSI
Q4 25
2.6%
9.6%
Q3 25
3.6%
7.2%
Q2 25
12.6%
8.5%
Q1 25
-1.3%
8.5%
Q4 24
2.4%
7.9%
Q3 24
3.9%
8.4%
Q2 24
2.5%
10.6%
Q1 24
4.6%
8.7%
EPS (diluted)
DIOD
DIOD
MMSI
MMSI
Q4 25
$0.23
$0.64
Q3 25
$0.31
$0.46
Q2 25
$0.99
$0.54
Q1 25
$-0.10
$0.49
Q4 24
$0.18
$0.46
Q3 24
$0.30
$0.48
Q2 24
$0.17
$0.61
Q1 24
$0.30
$0.48

Balance Sheet & Financial Strength

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

Metric
DIOD
DIOD
MMSI
MMSI
Cash + ST InvestmentsLiquidity on hand
$377.0M
$446.4M
Total DebtLower is stronger
$25.7M
$734.0M
Stockholders' EquityBook value
$1.9B
$1.6B
Total Assets
$2.4B
$2.7B
Debt / EquityLower = less leverage
0.01×
0.46×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DIOD
DIOD
MMSI
MMSI
Q4 25
$377.0M
$446.4M
Q3 25
$386.4M
$392.5M
Q2 25
$327.3M
$341.8M
Q1 25
$343.9M
$395.5M
Q4 24
$316.1M
$376.7M
Q3 24
$319.3M
$523.1M
Q2 24
$273.9M
$636.7M
Q1 24
$276.0M
$581.9M
Total Debt
DIOD
DIOD
MMSI
MMSI
Q4 25
$25.7M
$734.0M
Q3 25
$24.9M
$732.9M
Q2 25
$26.4M
$731.8M
Q1 25
$20.5M
$730.7M
Q4 24
$20.7M
$729.6M
Q3 24
$22.2M
$750.5M
Q2 24
$20.3M
$801.3M
Q1 24
$20.9M
$800.1M
Stockholders' Equity
DIOD
DIOD
MMSI
MMSI
Q4 25
$1.9B
$1.6B
Q3 25
$1.9B
$1.5B
Q2 25
$1.9B
$1.5B
Q1 25
$1.8B
$1.4B
Q4 24
$1.8B
$1.4B
Q3 24
$1.8B
$1.3B
Q2 24
$1.8B
$1.3B
Q1 24
$1.7B
$1.2B
Total Assets
DIOD
DIOD
MMSI
MMSI
Q4 25
$2.4B
$2.7B
Q3 25
$2.5B
$2.6B
Q2 25
$2.5B
$2.6B
Q1 25
$2.4B
$2.5B
Q4 24
$2.4B
$2.4B
Q3 24
$2.4B
$2.4B
Q2 24
$2.4B
$2.4B
Q1 24
$2.4B
$2.3B
Debt / Equity
DIOD
DIOD
MMSI
MMSI
Q4 25
0.01×
0.46×
Q3 25
0.01×
0.48×
Q2 25
0.01×
0.49×
Q1 25
0.01×
0.51×
Q4 24
0.01×
0.53×
Q3 24
0.01×
0.57×
Q2 24
0.01×
0.62×
Q1 24
0.01×
0.65×

Cash Flow & Capital Efficiency

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

Metric
DIOD
DIOD
MMSI
MMSI
Operating Cash FlowLast quarter
$38.1M
$98.5M
Free Cash FlowOCF − Capex
$12.4M
$74.0M
FCF MarginFCF / Revenue
3.2%
18.8%
Capex IntensityCapex / Revenue
6.6%
6.2%
Cash ConversionOCF / Net Profit
3.74×
2.59×
TTM Free Cash FlowTrailing 4 quarters
$137.2M
$215.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DIOD
DIOD
MMSI
MMSI
Q4 25
$38.1M
$98.5M
Q3 25
$79.1M
$75.0M
Q2 25
$41.5M
$83.3M
Q1 25
$56.7M
$40.6M
Q4 24
$81.8M
$68.7M
Q3 24
$54.4M
$47.3M
Q2 24
$14.4M
$68.5M
Q1 24
$-31.1M
$36.2M
Free Cash Flow
DIOD
DIOD
MMSI
MMSI
Q4 25
$12.4M
$74.0M
Q3 25
$62.8M
$52.5M
Q2 25
$21.1M
$69.6M
Q1 25
$40.8M
$19.5M
Q4 24
$62.1M
$65.3M
Q3 24
$39.4M
$38.0M
Q2 24
$-3.5M
$57.9M
Q1 24
$-51.5M
$24.5M
FCF Margin
DIOD
DIOD
MMSI
MMSI
Q4 25
3.2%
18.8%
Q3 25
16.0%
13.7%
Q2 25
5.8%
18.2%
Q1 25
12.3%
5.5%
Q4 24
18.3%
18.4%
Q3 24
11.2%
11.2%
Q2 24
-1.1%
17.1%
Q1 24
-17.1%
7.6%
Capex Intensity
DIOD
DIOD
MMSI
MMSI
Q4 25
6.6%
6.2%
Q3 25
4.2%
5.8%
Q2 25
5.6%
3.6%
Q1 25
4.8%
5.9%
Q4 24
5.8%
1.0%
Q3 24
4.3%
2.8%
Q2 24
5.6%
3.1%
Q1 24
6.7%
3.6%
Cash Conversion
DIOD
DIOD
MMSI
MMSI
Q4 25
3.74×
2.59×
Q3 25
5.54×
2.70×
Q2 25
0.90×
2.56×
Q1 25
1.35×
Q4 24
9.93×
2.46×
Q3 24
3.95×
1.66×
Q2 24
1.80×
1.92×
Q1 24
-2.22×
1.28×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DIOD
DIOD

Distributor$253.1M65%
Direct Sales$138.5M35%

MMSI
MMSI

Other$154.6M39%
Peripheral Intervention$93.2M24%
Cardiac Intervention$50.2M13%
OEM$42.6M11%
Custom Procedural Solutions$33.1M8%
Endoscopy Segment$20.1M5%

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