PDFS
TechnologyPDF Solutions, Inc. · Software - Application · $2B
What is PDF Solutions, Inc.?
PDF Solutions, Inc. is a Santa Clara-based technology company serving the semiconductor manufacturing industry. It combines proprietary software, hardware tools, and professional services to help chipmakers improve production yields and process control.
PDF Solutions generates revenue by licensing software platforms and selling hardware systems to semiconductor manufacturers and equipment makers worldwide. Its Exensio software suite collects and analyzes manufacturing data to help engineers detect defects, improve yields, and control production tools. The company also sells design-for-inspection hardware systems that use on-chip instruments and electron-beam probing technology. Additionally, its Cimetrix software enables equipment manufacturers to implement industry-standard machine interfaces, broadening PDF Solutions' reach across the chip fabrication ecosystem.
PDF Solutions was founded in 2001 and is headquartered in Santa Clara, California.
- Exensio Manufacturing Analytics software for yield and performance analysis
- Exensio Process Control for manufacturing tool monitoring and alarming
- DFI on-chip instruments and eProbe non-contact E-beam inspection tools
- Characterization Vehicle test chips and electrical testing systems
- Cimetrix software for equipment connectivity and industry-standard interfaces
Is PDFS a Good Stock to Buy?
UQS Score rates PDFS as Below Average overall.
Among the five pillars, Growth and Risk both register as Neutral, suggesting the business is neither accelerating sharply nor facing acute near-term financial stress. The Valuation pillar is also Neutral, meaning the stock is not obviously mispriced relative to its fundamentals.
Quality and Moat are both rated Weak — the two pillars that matter most for long-term compounding. This signals limited competitive insulation and below-average capital efficiency relative to sector peers.
See the exact pillar breakdown and underlying financial metrics by signing up for a UQS Pro account. Sign up free →
Past performance does not guarantee future results. UQS Score is based on fundamental data and is not a buy/sell recommendation.
Does PDFS pay dividends?
No — PDF Solutions, Inc. does not currently pay a dividend.
PDF Solutions does not currently pay a dividend. For a small-cap technology company operating in the semiconductor software space, retaining capital to fund product development and expand its software platforms is a common strategic choice. Income-focused investors should factor this into their assessment.
When does PDFS report earnings?
PDF Solutions reports earnings on a quarterly cadence, consistent with standard practice for US-listed equities.
The company's Growth pillar is rated Neutral, reflecting a revenue trajectory that is neither strongly accelerating nor declining. Profitability metrics remain under pressure, consistent with the Weak Quality rating.
For the most recent quarter's results and guidance, visit PDF Solutions' investor relations page directly.
PDFS Price History
+150.1% over 5Y
Monthly close, adjusted for stock splits and dividend reinvestment.
What if I invested in PDF Solutions, Inc.?
Based on PDF Solutions, Inc.'s historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.
PDFS Long-term Outlook
The fundamental outlook for PDF Solutions is mixed. A Neutral Growth rating suggests the company is maintaining its revenue base without a clear near-term catalyst for meaningful acceleration. The Neutral Risk rating indicates the balance sheet is not under immediate strain, but the Weak Quality and Moat ratings limit confidence in sustained margin expansion or durable competitive advantages over a longer horizon.
Growth drivers
- Expanding adoption of Exensio analytics across global semiconductor fabs
- Growing demand for process control tools as chip complexity increases
- Cimetrix software penetration among equipment manufacturers adopting industry-standard interfaces
Key risks
- Weak moat leaves the company exposed to competition from larger software vendors
- Semiconductor industry cyclicality can compress customer spending on software tools
- Below-average quality metrics may limit the company's ability to self-fund growth
PDFS vs Peers
PDF Solutions operates in a niche corner of the technology sector, but it competes broadly for software and analytics spending alongside these peers.
DoubleVerify focuses on digital media measurement and ad verification, serving a different end market but competing for technology software valuation multiples.
Semrush provides online visibility and marketing analytics software, targeting digital marketers rather than semiconductor manufacturers.
Lightspeed delivers point-of-sale and commerce software to retailers and restaurants, operating in an entirely different vertical from chip manufacturing analytics.
Frequently Asked Questions
What does PDF Solutions do?
PDF Solutions provides software, hardware, and professional services to the semiconductor manufacturing industry. Its tools help chipmakers collect production data, detect defects, improve yields, and control manufacturing equipment. The company also sells equipment connectivity software through its Cimetrix product line, serving equipment makers globally.
Does PDFS pay dividends?
No, PDF Solutions does not currently pay a dividend. The company retains its capital to invest in software development and expand its product platforms. Investors seeking regular income should note this before considering the stock.
When does PDFS report earnings?
PDF Solutions follows a standard quarterly earnings cadence for US-listed companies. The company does not pre-announce specific dates far in advance. Check PDF Solutions' investor relations page for the most current earnings schedule and recent results.
Is PDFS a good stock to buy?
UQS Score rates PDFS as Below Average, driven by Weak ratings on both the Quality and Moat pillars. Growth and Risk are Neutral, and Valuation is also Neutral. The full pillar breakdown is available to UQS Pro members and provides a more detailed view of where the stock stands.
Is PDFS overvalued?
The UQS Valuation pillar for PDFS is rated Neutral, suggesting the stock is not obviously expensive or cheap relative to its fundamentals. However, valuation context is most useful when read alongside the Quality and Moat ratings, both of which are Weak. Pro members can view the complete valuation metrics.
How does PDFS compare to its competitors?
PDF Solutions occupies a specialized niche in semiconductor manufacturing software. Compared to broader software peers like DoubleVerify and Semrush, PDFS serves a narrower industrial customer base. Its Below Average UQS Score reflects weaker quality and moat characteristics relative to higher-rated software companies in the technology sector.
What is PDFS's market cap bracket?
PDF Solutions is classified as a small-cap company. Small-cap stocks typically carry higher volatility and liquidity risk than large-cap peers, and they may have less analyst coverage. Investors should weigh these factors alongside the UQS Score when evaluating the stock.
Who founded PDF Solutions?
PDF Solutions was founded in 2001. Detailed founding history, including the names of the original founders, is publicly available through the company's official filings and investor relations materials.
Is PDFS a long-term quality investment?
As a long-term quality indicator, the UQS Score rates PDFS as Below Average. The Weak Moat rating is particularly relevant for long-term holders, as durable competitive advantages are a key driver of sustained value creation. Investors focused on long-term compounding may want to compare PDFS against higher-rated peers in the [technology sector](/sector/technology).
What is the main competitive advantage of PDF Solutions?
PDF Solutions has built specialized expertise in semiconductor yield analytics and process control software over more than two decades. However, the UQS Moat pillar rates this advantage as Weak, suggesting the company faces meaningful competitive pressure and has not yet established a strongly defensible market position.
What sector does PDFS belong to?
PDF Solutions is classified in the Technology sector, specifically serving the semiconductor equipment and software ecosystem. It operates at the intersection of chip manufacturing process control and data analytics, making it a niche player within the broader [technology sector](/sector/technology).
Is PDFS a growth stock or value stock?
Based on UQS pillar labels, PDFS carries a Neutral Growth rating and a Neutral Valuation rating. This profile does not fit cleanly into either a high-growth or deep-value category. It sits in a middle ground where neither strong earnings momentum nor a compelling discount is clearly present.
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Pro Analysis
PDFS — Score History
| Date | UQS | Quality | Moat | Growth | Risk | Value | Change |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | 40.4 | 17.8 | 24.0 | 52.8 | 82.6 | 46.8 | +0.1 |
| May 13, 2026 | 40.3 | 17.8 | 24.0 | 52.8 | 82.6 | 45.6 | +8.3 |
| May 10, 2026 | 32.0 | 2.0 | 24.0 | 52.8 | 37.7 | 62.2 | +0.3 |
| May 8, 2026 | 31.7 | 2.0 | 24.0 | 52.1 | 37.7 | 61.2 | -0.5 |
| May 7, 2026 | 32.2 | 11.8 | 24.0 | 52.1 | 40.9 | 44.7 | -0.2 |
| May 3, 2026 | 32.4 | 11.8 | 24.0 | 52.1 | 40.9 | 45.7 | +0.1 |
| May 2, 2026 | 32.3 | 11.8 | 24.0 | 52.1 | 40.9 | 45.1 | 0.0 |
| Apr 26, 2026 | 32.3 | 11.8 | 24.0 | 52.0 | 40.9 | 45.1 | -0.1 |
| Apr 19, 2026 | 32.4 | 11.8 | 24.0 | 52.0 | 40.9 | 45.8 | -0.1 |
| Apr 18, 2026 | 32.5 | 11.8 | 24.0 | 52.0 | 40.9 | 46.9 | -2.6 |
PDFS — Pillar Breakdown
Quality
— 17.8/100 (25%)PDF Solutions, Inc. currently shows below-average quality metrics, suggesting challenges with profitability.
How effectively capital is deployed to generate returns.
Profitability relative to shareholders' equity.
Ability to convert revenue into operating profit.
Bottom-line profit as a share of revenue.
Asset productivity — how much gross profit each dollar of assets generates.
Free cash flow relative to market value.
Growth
— 52.8/100 (20%)PDF Solutions, Inc. shows steady but unspectacular growth, typical for mature companies.
Revenue trajectory over the last twelve months.
Compound annual revenue growth rate over 3 years.
Year-over-year earnings per share growth.
Analyst consensus for future revenue growth.
Analyst consensus for future earnings growth.
Risk
— 82.6/100 (15%)PDF Solutions, Inc. carries minimal financial risk with conservative leverage and strong solvency.
Debt levels relative to earnings capacity.
Total debt relative to shareholder equity.
Short-term liquidity — ability to pay near-term obligations.
Earnings capacity relative to interest payments.
Valuation
— 46.9/100 (15%)PDF Solutions, Inc. has a mixed valuation — some metrics suggest fair value while others appear stretched.
Inverse of forward P/E — higher yield means cheaper stock.
P/E relative to earnings growth — lower is more attractive.
Enterprise value multiple relative to sector median.
Moat
— 24/100 (25%)PDF Solutions, Inc. operates in a highly competitive environment with limited sustainable advantages. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for PDFS.
Score Composition
Financial Data
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How is the PDFS UQS Score Calculated?
The UQS (Unified Quality Score) for PDF Solutions, Inc. is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.
Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.
Moat (25%) assesses PDF Solutions, Inc.'s competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.
Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.
Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.
Valuation (15%) measures whether PDF Solutions, Inc. is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.
Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.