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Side-by-side financial comparison of NATHANS FAMOUS, INC. (NATH) and PDF SOLUTIONS INC (PDFS). Click either name above to swap in a different company.

PDF SOLUTIONS INC is the larger business by last-quarter revenue ($62.4M vs $34.3M, roughly 1.8× NATHANS FAMOUS, INC.). NATHANS FAMOUS, INC. runs the higher net margin — 9.0% vs -0.1%, a 9.1% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs 8.9%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $5.7M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs 8.8%).

Nathan's Famous, Inc., is an American company that operates a chain of fast-food restaurants specializing in hot dogs. The original Nathan's restaurant stands at the corner of Surf and Stillwell avenues in the Coney Island neighborhood of Brooklyn, New York City. Its restaurants are primarily in the Northeastern United States. The company's headquarters are at One Jericho Plaza in Jericho, part of Oyster Bay, New York.

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.

NATH vs PDFS — Head-to-Head

Bigger by revenue
PDFS
PDFS
1.8× larger
PDFS
$62.4M
$34.3M
NATH
Growing faster (revenue YoY)
PDFS
PDFS
+15.7% gap
PDFS
24.6%
8.9%
NATH
Higher net margin
NATH
NATH
9.1% more per $
NATH
9.0%
-0.1%
PDFS
More free cash flow
PDFS
PDFS
$1.9M more FCF
PDFS
$7.5M
$5.7M
NATH
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
8.8%
NATH

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
NATH
NATH
PDFS
PDFS
Revenue
$34.3M
$62.4M
Net Profit
$3.1M
$-48.0K
Gross Margin
32.6%
72.9%
Operating Margin
14.9%
5.5%
Net Margin
9.0%
-0.1%
Revenue YoY
8.9%
24.6%
Net Profit YoY
-31.2%
-108.9%
EPS (diluted)
$0.75
$0.00

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
NATH
NATH
PDFS
PDFS
Q4 25
$34.3M
$62.4M
Q3 25
$45.7M
$57.1M
Q2 25
$47.0M
$51.7M
Q1 25
$30.8M
$47.8M
Q4 24
$31.5M
$50.1M
Q3 24
$41.1M
$46.4M
Q2 24
$44.8M
$41.7M
Q1 24
$29.0M
$41.3M
Net Profit
NATH
NATH
PDFS
PDFS
Q4 25
$3.1M
$-48.0K
Q3 25
$5.2M
$1.3M
Q2 25
$8.9M
$1.1M
Q1 25
$4.2M
$-3.0M
Q4 24
$4.5M
$539.0K
Q3 24
$6.0M
$2.2M
Q2 24
$9.3M
$1.7M
Q1 24
$3.9M
$-393.0K
Gross Margin
NATH
NATH
PDFS
PDFS
Q4 25
32.6%
72.9%
Q3 25
29.1%
72.3%
Q2 25
39.5%
71.2%
Q1 25
38.7%
72.9%
Q4 24
37.9%
68.3%
Q3 24
36.7%
73.1%
Q2 24
43.6%
70.6%
Q1 24
43.3%
67.3%
Operating Margin
NATH
NATH
PDFS
PDFS
Q4 25
14.9%
5.5%
Q3 25
16.4%
8.5%
Q2 25
27.2%
2.2%
Q1 25
20.7%
-7.4%
Q4 24
21.4%
1.0%
Q3 24
23.4%
4.6%
Q2 24
30.7%
0.6%
Q1 24
23.5%
-4.7%
Net Margin
NATH
NATH
PDFS
PDFS
Q4 25
9.0%
-0.1%
Q3 25
11.4%
2.3%
Q2 25
19.0%
2.2%
Q1 25
13.8%
-6.3%
Q4 24
14.2%
1.1%
Q3 24
14.7%
4.8%
Q2 24
20.7%
4.1%
Q1 24
13.5%
-1.0%
EPS (diluted)
NATH
NATH
PDFS
PDFS
Q4 25
$0.75
$0.00
Q3 25
$1.26
$0.03
Q2 25
$2.16
$0.03
Q1 25
$1.03
$-0.08
Q4 24
$1.10
$0.01
Q3 24
$1.47
$0.06
Q2 24
$2.27
$0.04
Q1 24
$0.95
$-0.01

Balance Sheet & Financial Strength

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

Metric
NATH
NATH
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$24.5M
$42.2M
Total DebtLower is stronger
$48.7M
$67.0M
Stockholders' EquityBook value
$-15.3M
$271.0M
Total Assets
$50.9M
$418.7M
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NATH
NATH
PDFS
PDFS
Q4 25
$24.5M
$42.2M
Q3 25
$32.2M
$35.9M
Q2 25
$26.9M
$40.4M
Q1 25
$27.8M
$54.1M
Q4 24
$23.7M
$114.9M
Q3 24
$31.2M
$120.2M
Q2 24
$26.0M
$117.9M
Q1 24
$21.0M
$122.9M
Total Debt
NATH
NATH
PDFS
PDFS
Q4 25
$48.7M
$67.0M
Q3 25
$49.3M
$67.6M
Q2 25
$49.9M
$68.1M
Q1 25
$50.5M
$68.7M
Q4 24
$51.1M
Q3 24
$59.6M
Q2 24
Q1 24
$59.6M
Stockholders' Equity
NATH
NATH
PDFS
PDFS
Q4 25
$-15.3M
$271.0M
Q3 25
$-5.9M
$264.4M
Q2 25
$-9.3M
$257.5M
Q1 25
$-16.5M
$249.0M
Q4 24
$-19.0M
$246.0M
Q3 24
$-21.3M
$240.5M
Q2 24
$-25.5M
$232.2M
Q1 24
$-32.9M
$225.4M
Total Assets
NATH
NATH
PDFS
PDFS
Q4 25
$50.9M
$418.7M
Q3 25
$62.9M
$406.4M
Q2 25
$63.4M
$391.1M
Q1 25
$53.5M
$390.0M
Q4 24
$48.7M
$315.3M
Q3 24
$57.7M
$307.4M
Q2 24
$58.5M
$298.0M
Q1 24
$48.9M
$286.8M
Debt / Equity
NATH
NATH
PDFS
PDFS
Q4 25
0.25×
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
NATH
NATH
PDFS
PDFS
Operating Cash FlowLast quarter
$5.8M
$17.3M
Free Cash FlowOCF − Capex
$5.7M
$7.5M
FCF MarginFCF / Revenue
16.6%
12.1%
Capex IntensityCapex / Revenue
0.2%
15.7%
Cash ConversionOCF / Net Profit
1.87×
TTM Free Cash FlowTrailing 4 quarters
$22.1M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NATH
NATH
PDFS
PDFS
Q4 25
$5.8M
$17.3M
Q3 25
$10.2M
$3.3M
Q2 25
$-220.0K
$-5.2M
Q1 25
$6.8M
$8.6M
Q4 24
$3.6M
$1.6M
Q3 24
$9.8M
$9.3M
Q2 24
$5.0M
$684.0K
Q1 24
$6.4M
$-1.9M
Free Cash Flow
NATH
NATH
PDFS
PDFS
Q4 25
$5.7M
$7.5M
Q3 25
$10.0M
$-2.9M
Q2 25
$-335.0K
$-13.8M
Q1 25
$6.7M
$535.0K
Q4 24
$3.6M
$-4.0M
Q3 24
$9.7M
$5.1M
Q2 24
$5.0M
$-4.6M
Q1 24
$6.3M
$-3.9M
FCF Margin
NATH
NATH
PDFS
PDFS
Q4 25
16.6%
12.1%
Q3 25
21.9%
-5.1%
Q2 25
-0.7%
-26.6%
Q1 25
21.9%
1.1%
Q4 24
11.4%
-8.0%
Q3 24
23.7%
11.0%
Q2 24
11.1%
-11.1%
Q1 24
21.9%
-9.4%
Capex Intensity
NATH
NATH
PDFS
PDFS
Q4 25
0.2%
15.7%
Q3 25
0.4%
10.8%
Q2 25
0.2%
16.5%
Q1 25
0.2%
17.0%
Q4 24
0.1%
11.3%
Q3 24
0.2%
9.0%
Q2 24
0.1%
12.8%
Q1 24
0.2%
4.9%
Cash Conversion
NATH
NATH
PDFS
PDFS
Q4 25
1.87×
Q3 25
1.95×
2.54×
Q2 25
-0.02×
-4.55×
Q1 25
1.60×
Q4 24
0.81×
2.98×
Q3 24
1.63×
4.20×
Q2 24
0.54×
0.40×
Q1 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NATH
NATH

Branded Product Program$23.7M69%
Product Licensing$7.4M22%
Company Operated Restaurants$1.6M5%
Franchise Fees And Royalties$1.0M3%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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