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Side-by-side financial comparison of PDF SOLUTIONS INC (PDFS) and SOUTHERN FIRST BANCSHARES INC (SFST). Click either name above to swap in a different company.

PDF SOLUTIONS INC is the larger business by last-quarter revenue ($62.4M vs $31.8M, roughly 2.0× SOUTHERN FIRST BANCSHARES INC). On growth, SOUTHERN FIRST BANCSHARES INC posted the faster year-over-year revenue change (26.1% vs 24.6%). SOUTHERN FIRST BANCSHARES INC produced more free cash flow last quarter ($29.9M vs $7.5M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs 22.2%).

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.

First Community Bankshares, Inc. is a $2.43 billion bank holding company and the parent company of First Community Bank of Bluefield, Virginia, in the United States. As of 2012 First Community Bank had 45 locations in Virginia, West Virginia, and North Carolina, and two locations operating as Peoples Community Bank in Tennessee. As of April 21, 2023, First Community had $3.6 billion in assets.

PDFS vs SFST — Head-to-Head

Bigger by revenue
PDFS
PDFS
2.0× larger
PDFS
$62.4M
$31.8M
SFST
Growing faster (revenue YoY)
SFST
SFST
+1.5% gap
SFST
26.1%
24.6%
PDFS
More free cash flow
SFST
SFST
$22.3M more FCF
SFST
$29.9M
$7.5M
PDFS
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
22.2%
SFST

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PDFS
PDFS
SFST
SFST
Revenue
$62.4M
$31.8M
Net Profit
$-48.0K
Gross Margin
72.9%
Operating Margin
5.5%
40.1%
Net Margin
-0.1%
Revenue YoY
24.6%
26.1%
Net Profit YoY
-108.9%
EPS (diluted)
$0.00
$1.19

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
SFST
SFST
Q4 25
$62.4M
$31.8M
Q3 25
$57.1M
$31.1M
Q2 25
$51.7M
$28.6M
Q1 25
$47.8M
$26.5M
Q4 24
$50.1M
$25.2M
Q3 24
$46.4M
$23.8M
Q2 24
$41.7M
$23.1M
Q1 24
$41.3M
$21.3M
Net Profit
PDFS
PDFS
SFST
SFST
Q4 25
$-48.0K
Q3 25
$1.3M
$8.7M
Q2 25
$1.1M
$6.6M
Q1 25
$-3.0M
$5.3M
Q4 24
$539.0K
Q3 24
$2.2M
$4.4M
Q2 24
$1.7M
$3.0M
Q1 24
$-393.0K
$2.5M
Gross Margin
PDFS
PDFS
SFST
SFST
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
SFST
SFST
Q4 25
5.5%
40.1%
Q3 25
8.5%
36.4%
Q2 25
2.2%
30.0%
Q1 25
-7.4%
26.1%
Q4 24
1.0%
27.3%
Q3 24
4.6%
24.1%
Q2 24
0.6%
17.0%
Q1 24
-4.7%
15.9%
Net Margin
PDFS
PDFS
SFST
SFST
Q4 25
-0.1%
Q3 25
2.3%
27.8%
Q2 25
2.2%
23.0%
Q1 25
-6.3%
19.9%
Q4 24
1.1%
Q3 24
4.8%
18.4%
Q2 24
4.1%
13.0%
Q1 24
-1.0%
11.8%
EPS (diluted)
PDFS
PDFS
SFST
SFST
Q4 25
$0.00
$1.19
Q3 25
$0.03
$1.07
Q2 25
$0.03
$0.81
Q1 25
$-0.08
$0.65
Q4 24
$0.01
$0.69
Q3 24
$0.06
$0.54
Q2 24
$0.04
$0.37
Q1 24
$-0.01
$0.31

Balance Sheet & Financial Strength

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

Metric
PDFS
PDFS
SFST
SFST
Cash + ST InvestmentsLiquidity on hand
$42.2M
Total DebtLower is stronger
$67.0M
Stockholders' EquityBook value
$271.0M
$368.7M
Total Assets
$418.7M
$4.4B
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PDFS
PDFS
SFST
SFST
Q4 25
$42.2M
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
SFST
SFST
Q4 25
$67.0M
Q3 25
$67.6M
Q2 25
$68.1M
Q1 25
$68.7M
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
PDFS
PDFS
SFST
SFST
Q4 25
$271.0M
$368.7M
Q3 25
$264.4M
$356.3M
Q2 25
$257.5M
$345.5M
Q1 25
$249.0M
$337.6M
Q4 24
$246.0M
$330.4M
Q3 24
$240.5M
$326.5M
Q2 24
$232.2M
$318.7M
Q1 24
$225.4M
$315.3M
Total Assets
PDFS
PDFS
SFST
SFST
Q4 25
$418.7M
$4.4B
Q3 25
$406.4M
$4.4B
Q2 25
$391.1M
$4.3B
Q1 25
$390.0M
$4.3B
Q4 24
$315.3M
$4.1B
Q3 24
$307.4M
$4.2B
Q2 24
$298.0M
$4.1B
Q1 24
$286.8M
$4.1B
Debt / Equity
PDFS
PDFS
SFST
SFST
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
PDFS
PDFS
SFST
SFST
Operating Cash FlowLast quarter
$17.3M
$30.5M
Free Cash FlowOCF − Capex
$7.5M
$29.9M
FCF MarginFCF / Revenue
12.1%
93.8%
Capex IntensityCapex / Revenue
15.7%
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-8.6M
$62.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PDFS
PDFS
SFST
SFST
Q4 25
$17.3M
$30.5M
Q3 25
$3.3M
$14.5M
Q2 25
$-5.2M
$10.5M
Q1 25
$8.6M
$7.6M
Q4 24
$1.6M
$25.6M
Q3 24
$9.3M
$26.3M
Q2 24
$684.0K
$4.0M
Q1 24
$-1.9M
$-2.9M
Free Cash Flow
PDFS
PDFS
SFST
SFST
Q4 25
$7.5M
$29.9M
Q3 25
$-2.9M
$14.4M
Q2 25
$-13.8M
$10.4M
Q1 25
$535.0K
$7.4M
Q4 24
$-4.0M
$24.8M
Q3 24
$5.1M
$26.1M
Q2 24
$-4.6M
$3.9M
Q1 24
$-3.9M
$-3.2M
FCF Margin
PDFS
PDFS
SFST
SFST
Q4 25
12.1%
93.8%
Q3 25
-5.1%
46.3%
Q2 25
-26.6%
36.3%
Q1 25
1.1%
28.1%
Q4 24
-8.0%
98.2%
Q3 24
11.0%
110.0%
Q2 24
-11.1%
16.8%
Q1 24
-9.4%
-15.0%
Capex Intensity
PDFS
PDFS
SFST
SFST
Q4 25
15.7%
1.8%
Q3 25
10.8%
0.3%
Q2 25
16.5%
0.3%
Q1 25
17.0%
0.5%
Q4 24
11.3%
3.1%
Q3 24
9.0%
0.8%
Q2 24
12.8%
0.4%
Q1 24
4.9%
1.3%
Cash Conversion
PDFS
PDFS
SFST
SFST
Q4 25
Q3 25
2.54×
1.67×
Q2 25
-4.55×
1.59×
Q1 25
1.44×
Q4 24
2.98×
Q3 24
4.20×
6.01×
Q2 24
0.40×
1.32×
Q1 24
-1.16×

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%

SFST
SFST

Segment breakdown not available.

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