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Side-by-side financial comparison of PDF SOLUTIONS INC (PDFS) and Viridian Therapeutics, Inc.\DE (VRDN). Click either name above to swap in a different company.

Viridian Therapeutics, Inc.\DE is the larger business by last-quarter revenue ($70.6M vs $62.4M, roughly 1.1× PDF SOLUTIONS INC). PDF SOLUTIONS INC runs the higher net margin — -0.1% vs -49.0%, a 49.0% gap on every dollar of revenue. On growth, Viridian Therapeutics, Inc.\DE posted the faster year-over-year revenue change (81958.1% vs 24.6%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $-84.7M).

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.

Viridian Therapeutics is a clinical-stage biotechnology firm developing novel disease-modifying therapies for rare, serious autoimmune and inflammatory diseases. Its lead pipeline candidate targets thyroid eye disease, a debilitating orbital disorder, with primary market focus on North America and Europe.

PDFS vs VRDN — Head-to-Head

Bigger by revenue
VRDN
VRDN
1.1× larger
VRDN
$70.6M
$62.4M
PDFS
Growing faster (revenue YoY)
VRDN
VRDN
+81933.5% gap
VRDN
81958.1%
24.6%
PDFS
Higher net margin
PDFS
PDFS
49.0% more per $
PDFS
-0.1%
-49.0%
VRDN
More free cash flow
PDFS
PDFS
$92.3M more FCF
PDFS
$7.5M
$-84.7M
VRDN

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
PDFS
PDFS
VRDN
VRDN
Revenue
$62.4M
$70.6M
Net Profit
$-48.0K
$-34.6M
Gross Margin
72.9%
Operating Margin
5.5%
-56.7%
Net Margin
-0.1%
-49.0%
Revenue YoY
24.6%
81958.1%
Net Profit YoY
-108.9%
54.9%
EPS (diluted)
$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
PDFS
PDFS
VRDN
VRDN
Q4 25
$62.4M
Q3 25
$57.1M
$70.6M
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
VRDN
VRDN
Q4 25
$-48.0K
Q3 25
$1.3M
$-34.6M
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
VRDN
VRDN
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
VRDN
VRDN
Q4 25
5.5%
Q3 25
8.5%
-56.7%
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
VRDN
VRDN
Q4 25
-0.1%
Q3 25
2.3%
-49.0%
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
VRDN
VRDN
Q4 25
$0.00
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
VRDN
VRDN
Cash + ST InvestmentsLiquidity on hand
$42.2M
$490.9M
Total DebtLower is stronger
$67.0M
Stockholders' EquityBook value
$271.0M
$503.0M
Total Assets
$418.7M
$577.1M
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PDFS
PDFS
VRDN
VRDN
Q4 25
$42.2M
Q3 25
$35.9M
$490.9M
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
VRDN
VRDN
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
VRDN
VRDN
Q4 25
$271.0M
Q3 25
$264.4M
$503.0M
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
VRDN
VRDN
Q4 25
$418.7M
Q3 25
$406.4M
$577.1M
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
VRDN
VRDN
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
VRDN
VRDN
Operating Cash FlowLast quarter
$17.3M
$-84.6M
Free Cash FlowOCF − Capex
$7.5M
$-84.7M
FCF MarginFCF / Revenue
12.1%
-120.1%
Capex IntensityCapex / Revenue
15.7%
0.2%
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
VRDN
VRDN
Q4 25
$17.3M
Q3 25
$3.3M
$-84.6M
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
VRDN
VRDN
Q4 25
$7.5M
Q3 25
$-2.9M
$-84.7M
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
VRDN
VRDN
Q4 25
12.1%
Q3 25
-5.1%
-120.1%
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
VRDN
VRDN
Q4 25
15.7%
Q3 25
10.8%
0.2%
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
VRDN
VRDN
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%

VRDN
VRDN

Segment breakdown not available.

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