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

SOLENO THERAPEUTICS INC is the larger business by last-quarter revenue ($66.0M vs $62.4M, roughly 1.1× PDF SOLUTIONS INC). SOLENO THERAPEUTICS INC runs the higher net margin — 39.4% vs -0.1%, a 39.5% gap on every dollar of revenue. SOLENO THERAPEUTICS INC produced more free cash flow last quarter ($43.5M vs $7.5M).

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.

SOLENO THERAPEUTICS INC is a clinical-stage biopharmaceutical company specializing in developing novel therapies for rare endocrine, metabolic, and neurodevelopmental disorders. Its lead product candidate targets Prader-Willi syndrome, a rare genetic condition, with key patient markets across North America and the European Union.

PDFS vs SLNO — Head-to-Head

Bigger by revenue
SLNO
SLNO
1.1× larger
SLNO
$66.0M
$62.4M
PDFS
Higher net margin
SLNO
SLNO
39.5% more per $
SLNO
39.4%
-0.1%
PDFS
More free cash flow
SLNO
SLNO
$35.9M more FCF
SLNO
$43.5M
$7.5M
PDFS

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
PDFS
PDFS
SLNO
SLNO
Revenue
$62.4M
$66.0M
Net Profit
$-48.0K
$26.0M
Gross Margin
72.9%
98.3%
Operating Margin
5.5%
33.5%
Net Margin
-0.1%
39.4%
Revenue YoY
24.6%
Net Profit YoY
-108.9%
134.0%
EPS (diluted)
$0.00
$0.47

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
SLNO
SLNO
Q4 25
$62.4M
Q3 25
$57.1M
$66.0M
Q2 25
$51.7M
$32.7M
Q1 25
$47.8M
Q4 24
$50.1M
Q3 24
$46.4M
Q2 24
$41.7M
Q1 24
$41.3M
Net Profit
PDFS
PDFS
SLNO
SLNO
Q4 25
$-48.0K
Q3 25
$1.3M
$26.0M
Q2 25
$1.1M
$-4.7M
Q1 25
$-3.0M
Q4 24
$539.0K
Q3 24
$2.2M
Q2 24
$1.7M
Q1 24
$-393.0K
Gross Margin
PDFS
PDFS
SLNO
SLNO
Q4 25
72.9%
Q3 25
72.3%
98.3%
Q2 25
71.2%
97.9%
Q1 25
72.9%
Q4 24
68.3%
Q3 24
73.1%
Q2 24
70.6%
Q1 24
67.3%
Operating Margin
PDFS
PDFS
SLNO
SLNO
Q4 25
5.5%
Q3 25
8.5%
33.5%
Q2 25
2.2%
-20.0%
Q1 25
-7.4%
Q4 24
1.0%
Q3 24
4.6%
Q2 24
0.6%
Q1 24
-4.7%
Net Margin
PDFS
PDFS
SLNO
SLNO
Q4 25
-0.1%
Q3 25
2.3%
39.4%
Q2 25
2.2%
-14.4%
Q1 25
-6.3%
Q4 24
1.1%
Q3 24
4.8%
Q2 24
4.1%
Q1 24
-1.0%
EPS (diluted)
PDFS
PDFS
SLNO
SLNO
Q4 25
$0.00
Q3 25
$0.03
$0.47
Q2 25
$0.03
$-0.09
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
SLNO
SLNO
Cash + ST InvestmentsLiquidity on hand
$42.2M
$498.9M
Total DebtLower is stronger
$67.0M
Stockholders' EquityBook value
$271.0M
$494.8M
Total Assets
$418.7M
$599.9M
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PDFS
PDFS
SLNO
SLNO
Q4 25
$42.2M
Q3 25
$35.9M
$498.9M
Q2 25
$40.4M
$286.8M
Q1 25
$54.1M
Q4 24
$114.9M
Q3 24
$120.2M
Q2 24
$117.9M
Q1 24
$122.9M
Total Debt
PDFS
PDFS
SLNO
SLNO
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
SLNO
SLNO
Q4 25
$271.0M
Q3 25
$264.4M
$494.8M
Q2 25
$257.5M
$240.1M
Q1 25
$249.0M
Q4 24
$246.0M
Q3 24
$240.5M
Q2 24
$232.2M
Q1 24
$225.4M
Total Assets
PDFS
PDFS
SLNO
SLNO
Q4 25
$418.7M
Q3 25
$406.4M
$599.9M
Q2 25
$391.1M
$332.3M
Q1 25
$390.0M
Q4 24
$315.3M
Q3 24
$307.4M
Q2 24
$298.0M
Q1 24
$286.8M
Debt / Equity
PDFS
PDFS
SLNO
SLNO
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
SLNO
SLNO
Operating Cash FlowLast quarter
$17.3M
$43.5M
Free Cash FlowOCF − Capex
$7.5M
$43.5M
FCF MarginFCF / Revenue
12.1%
65.8%
Capex IntensityCapex / Revenue
15.7%
0.0%
Cash ConversionOCF / Net Profit
1.67×
TTM Free Cash FlowTrailing 4 quarters
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PDFS
PDFS
SLNO
SLNO
Q4 25
$17.3M
Q3 25
$3.3M
$43.5M
Q2 25
$-5.2M
$-12.6M
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
SLNO
SLNO
Q4 25
$7.5M
Q3 25
$-2.9M
$43.5M
Q2 25
$-13.8M
$-12.6M
Q1 25
$535.0K
Q4 24
$-4.0M
Q3 24
$5.1M
Q2 24
$-4.6M
Q1 24
$-3.9M
FCF Margin
PDFS
PDFS
SLNO
SLNO
Q4 25
12.1%
Q3 25
-5.1%
65.8%
Q2 25
-26.6%
-38.6%
Q1 25
1.1%
Q4 24
-8.0%
Q3 24
11.0%
Q2 24
-11.1%
Q1 24
-9.4%
Capex Intensity
PDFS
PDFS
SLNO
SLNO
Q4 25
15.7%
Q3 25
10.8%
0.0%
Q2 25
16.5%
0.0%
Q1 25
17.0%
Q4 24
11.3%
Q3 24
9.0%
Q2 24
12.8%
Q1 24
4.9%
Cash Conversion
PDFS
PDFS
SLNO
SLNO
Q4 25
Q3 25
2.54×
1.67×
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%

SLNO
SLNO

Segment breakdown not available.

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