PDF Solutions (PDFS) vs SoundHound AI (SOUN)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
PDF Solutions (PDFS) has outperformed SoundHound AI (SOUN) over the past year, gaining 100.1% versus a loss of 70.8%. SoundHound AI is the larger company by market cap ($2.45 billion vs $2.20 billion), about 1.1 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | PDFS | SOUN |
|---|---|---|
| Share price | $52.18 | $5.52 |
| Market cap | $2.20B | $2.45B |
| 1-day change | -1.86% | -1.95% |
| YTD return | +82.90% | -44.63% |
| 1-year return | +100.08% | -70.76% |
| 5-year return | +127.36% | — |
| P/E ratio (TTM) | 208.72 | — |
| Forward P/E | 31.58 | — |
| EPS (TTM) | $0.25 | $-0.62 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | — | $168.92M |
| Revenue growth (YoY) | — | +99.45% |
| Net income (latest FY) | — | $-14.01M |
| Gross margin | — | 42.36% |
| Operating margin | — | -13.78% |
| Net margin | — | -8.29% |
| 52-week high | $71.69 | $22.17 |
| 52-week low | $23.55 | $5.46 |
| Distance from 52-week high | -27.21% | -75.10% |
| Analyst consensus | strong_buy | strong_buy |
| Avg. price target upside | +17.86% | +127.72% |
| Average volume | 561.64K | 27.46M |
| Shares outstanding | 42.23M | 411.58M |
| Employees | 600 | 954 |
| Sector | Technology | Technology |
| Industry | Computer Software: Prepackaged Software | Computer Software: Prepackaged Software |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- PDFS has outperformed SOUN by 170.8 percentage points over the past year.
About PDF Solutions
PDFS stock →PDF Solutions, Inc. provides proprietary software, physical intellectual property for integrated circuit designs, electrical measurement hardware tools, proven methodologies, and professional services in the United States, Japan, China, and internationally.
Technology · Computer Software: Prepackaged Software · 600 employees
About SoundHound AI
SOUN stock →SoundHound AI, Inc. provides independent voice artificial intelligence (AI) solutions that enables businesses across the automotive, TV, IoT, and customer service industries to deliver conversational experiences to customers in the United States, Korea, France, Japan, Germany, and internationally.
Technology · Computer Software: Prepackaged Software · 954 employees
PDFS vs SOUN FAQ
Which is bigger, PDF Solutions or SoundHound AI?
SoundHound AI (SOUN) is larger, with a market capitalization of $2.45B compared with $2.20B for PDF Solutions (PDFS).
Which stock has performed better over the past year, PDFS or SOUN?
PDFS returned +100.08% over the past 12 months, compared with -70.76% for SOUN (price return, excluding dividends). Past performance does not predict future results.
Are PDF Solutions and SoundHound AI in the same industry?
Yes. Both are classified in the Computer Software: Prepackaged Software industry within the Technology sector.