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Side-by-side financial comparison of PDF SOLUTIONS INC (PDFS) and TOP SHIPS INC. (TOPS). Click either name above to swap in a different company.

PDF SOLUTIONS INC is the larger business by last-quarter revenue ($62.4M vs $36.6M, roughly 1.7× TOP SHIPS INC.). PDF SOLUTIONS INC runs the higher net margin — -0.1% vs -12.2%, a 12.2% gap on every dollar of revenue.

PDF Solutions, Inc. is an American multinational software and engineering services company based in Santa Clara, California. The company is listed in the Nasdaq stock exchange under the ticker symbol PDFS.

Top Ships Inc. is a supply chain maritime transportation operations management company responsible for seaborne trade of raw materials. The company was founded by Evangelos J. Pistiolis on January 10, 2000 and is headquartered in Maroussi, Greece.

PDFS vs TOPS — Head-to-Head

Bigger by revenue
PDFS
PDFS
1.7× larger
PDFS
$62.4M
$36.6M
TOPS
Higher net margin
PDFS
PDFS
12.2% more per $
PDFS
-0.1%
-12.2%
TOPS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PDFS
PDFS
TOPS
TOPS
Revenue
$62.4M
$36.6M
Net Profit
$-48.0K
$-4.5M
Gross Margin
72.9%
Operating Margin
5.5%
22.0%
Net Margin
-0.1%
-12.2%
Revenue YoY
24.6%
Net Profit YoY
-108.9%
EPS (diluted)
$0.00
$-0.96

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
PDFS
PDFS
TOPS
TOPS
Q4 25
$62.4M
$36.6M
Q3 25
$57.1M
Q2 25
$51.7M
Q1 25
$47.8M
Q4 24
$50.1M
Q3 24
$46.4M
Q2 24
$41.7M
Q1 24
$41.3M
Net Profit
PDFS
PDFS
TOPS
TOPS
Q4 25
$-48.0K
$-4.5M
Q3 25
$1.3M
Q2 25
$1.1M
Q1 25
$-3.0M
Q4 24
$539.0K
Q3 24
$2.2M
Q2 24
$1.7M
Q1 24
$-393.0K
Gross Margin
PDFS
PDFS
TOPS
TOPS
Q4 25
72.9%
Q3 25
72.3%
Q2 25
71.2%
Q1 25
72.9%
Q4 24
68.3%
Q3 24
73.1%
Q2 24
70.6%
Q1 24
67.3%
Operating Margin
PDFS
PDFS
TOPS
TOPS
Q4 25
5.5%
22.0%
Q3 25
8.5%
Q2 25
2.2%
Q1 25
-7.4%
Q4 24
1.0%
Q3 24
4.6%
Q2 24
0.6%
Q1 24
-4.7%
Net Margin
PDFS
PDFS
TOPS
TOPS
Q4 25
-0.1%
-12.2%
Q3 25
2.3%
Q2 25
2.2%
Q1 25
-6.3%
Q4 24
1.1%
Q3 24
4.8%
Q2 24
4.1%
Q1 24
-1.0%
EPS (diluted)
PDFS
PDFS
TOPS
TOPS
Q4 25
$0.00
$-0.96
Q3 25
$0.03
Q2 25
$0.03
Q1 25
$-0.08
Q4 24
$0.01
Q3 24
$0.06
Q2 24
$0.04
Q1 24
$-0.01

Balance Sheet & Financial Strength

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

Metric
PDFS
PDFS
TOPS
TOPS
Cash + ST InvestmentsLiquidity on hand
$42.2M
$20.4M
Total DebtLower is stronger
$67.0M
$216.6M
Stockholders' EquityBook value
$271.0M
$89.2M
Total Assets
$418.7M
$333.6M
Debt / EquityLower = less leverage
0.25×
2.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PDFS
PDFS
TOPS
TOPS
Q4 25
$42.2M
$20.4M
Q3 25
$35.9M
Q2 25
$40.4M
Q1 25
$54.1M
Q4 24
$114.9M
Q3 24
$120.2M
Q2 24
$117.9M
Q1 24
$122.9M
Total Debt
PDFS
PDFS
TOPS
TOPS
Q4 25
$67.0M
$216.6M
Q3 25
$67.6M
Q2 25
$68.1M
Q1 25
$68.7M
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
PDFS
PDFS
TOPS
TOPS
Q4 25
$271.0M
$89.2M
Q3 25
$264.4M
Q2 25
$257.5M
Q1 25
$249.0M
Q4 24
$246.0M
Q3 24
$240.5M
Q2 24
$232.2M
Q1 24
$225.4M
Total Assets
PDFS
PDFS
TOPS
TOPS
Q4 25
$418.7M
$333.6M
Q3 25
$406.4M
Q2 25
$391.1M
Q1 25
$390.0M
Q4 24
$315.3M
Q3 24
$307.4M
Q2 24
$298.0M
Q1 24
$286.8M
Debt / Equity
PDFS
PDFS
TOPS
TOPS
Q4 25
0.25×
2.43×
Q3 25
0.26×
Q2 25
0.26×
Q1 25
0.28×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
PDFS
PDFS
TOPS
TOPS
Operating Cash FlowLast quarter
$17.3M
$26.4M
Free Cash FlowOCF − Capex
$7.5M
FCF MarginFCF / Revenue
12.1%
Capex IntensityCapex / Revenue
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PDFS
PDFS
TOPS
TOPS
Q4 25
$17.3M
$26.4M
Q3 25
$3.3M
Q2 25
$-5.2M
Q1 25
$8.6M
Q4 24
$1.6M
Q3 24
$9.3M
Q2 24
$684.0K
Q1 24
$-1.9M
Free Cash Flow
PDFS
PDFS
TOPS
TOPS
Q4 25
$7.5M
Q3 25
$-2.9M
Q2 25
$-13.8M
Q1 25
$535.0K
Q4 24
$-4.0M
Q3 24
$5.1M
Q2 24
$-4.6M
Q1 24
$-3.9M
FCF Margin
PDFS
PDFS
TOPS
TOPS
Q4 25
12.1%
Q3 25
-5.1%
Q2 25
-26.6%
Q1 25
1.1%
Q4 24
-8.0%
Q3 24
11.0%
Q2 24
-11.1%
Q1 24
-9.4%
Capex Intensity
PDFS
PDFS
TOPS
TOPS
Q4 25
15.7%
Q3 25
10.8%
Q2 25
16.5%
Q1 25
17.0%
Q4 24
11.3%
Q3 24
9.0%
Q2 24
12.8%
Q1 24
4.9%
Cash Conversion
PDFS
PDFS
TOPS
TOPS
Q4 25
Q3 25
2.54×
Q2 25
-4.55×
Q1 25
Q4 24
2.98×
Q3 24
4.20×
Q2 24
0.40×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

TOPS
TOPS

Segment breakdown not available.

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