Why did PDF Solutions (PDFS) stock move recently?

On 9/1/2026, PDF Solutions moved -6.0% — PDF Solutions shares fell 6% amid news of its CTO selling 3,394 shares for ~$151K on August 31 (reported September 1), with no other company-specific catalysts or filings on the day. This is MarketChacha's decoded reason from filings and credible news; it is education, not buy/sell advice.

Is PDF Solutions (PDFS) overvalued or fairly valued?

MarketChacha shows PDF Solutions's valuation in context — a trailing P/E of about 148.5, a forward P/E of about 24.9, a price-to-book of about 4.6 — alongside its revenue and profit growth and whether reported profit converts into operating cash, so you can judge value for yourself. MarketChacha does not issue ratings, price targets, or buy/sell advice.

Does PDF Solutions's reported profit turn into cash?

Over 3 years, operating cash flow fully covered reported profit — earnings are backed by real cash. MarketChacha computes this cash-conversion check (7.41×) from reported figures — education, not a rating.

What is PDF Solutions's revenue?

PDF Solutions reported revenue of $219.0M for FY2025, with net profit of $-640,000, per official filings.

What is the share price of PDF Solutions (PDFS)?

PDF Solutions last traded at $41.59 (+0.9% on the day), as of 10/20/2026 — a delayed quote shown for education, not investment advice.

PDF Solutions

PDFS · NYSE · Technology · United States

Snapshot

TickerPDFS

ExchangeNYSE

SectorTechnology

IndustrySoftware - Application

CountryUnited States

Employees600

HeadquartersSanta Clara, United States

Websitewww.pdf.com

Filings tracked14

About PDF Solutions

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. The company offers Exensio software, such as Manufacturing Analytics, which uses a proprietary database schema to store collected data; Process Control, which provides failure detection and classification capabilities for monitoring, alarming, and controlling manufacturing tool sets; Test Operations, which offer data collection and analysis capabilities; and Assembly Operations, which provide device manufacturers with the capability to link assembly and packaging data, including fabrication and characterization data across the product life cycle. It also provides Sapience Data Platform, which unifies fragmented data from diverse equipment and protocols across the factory floor; Sapience Manufacturing Hub enterprise, a connectivity platform between enterprise applications; DirectScan systems, such as Proprietary Software and eProbe Non-Contact E-Beam Tool; and Characterization Vehicle (CV) system, which includes CV Test Chips, pdFasTest Electrical Tester, and Exensio characterization software. In addition, the company offers Cimetrix software products that enable equipment manufacturers to provide standard interfaces on their products for equipment communication, control, and data collection; equipment factory connectivity products, such as Cimetrix CIMConnect, Cimetrix CIM300, and Cimetrix CIMPortal Plus; equipment factory connectivity testing and control products; secureWISE systems, including software, servers, and networks; software-as-a-service; software and hardware installation and configuration; system/data integration, and value realization; and technical support and maintenance for hardware and software. PDF Solutions, Inc. was founded in 1991 and is headquartered in Santa Clara, California.

Who owns it

Insiders10.5%
Institutions89.5%
Public & other0.0%

375 institutional holders

Ownership breakdown from public market data.

Top holders

Blackrock Inc.13.90%
Wasatch Advisors LP6.63%
Needham Investment Management, L.L.C.5.17%
Vanguard Capital Management LLC4.17%
Vanguard Portfolio Management LLC3.65%
State Street Corporation3.47%
Barrow, Hanley Mewhinney & Strauss, LLC3.31%
Ranger Investment Management, L.p.2.88%

Largest institutional holders — last updated 6/30/2026.

Forensic scorecard

Margin has compressed by about 2.2 points over the period — profitability is trending down.

Cash conversion7.41×

Over 3 years, operating cash flow fully covered reported profit — earnings are backed by real cash.

Net margin trend1.9% → -0.3%

Margin has compressed by about 2.2 points over the period — profitability is trending down.

Return on equity-0.2%

Latest ROE of -0.2% is on the low side — the business earns a modest return on shareholder capital.

Computed by MarketChacha from reported figures (SEC XBRL). Education, not a rating or recommendation.

What's expected next

Next quarter

Rev $74.4M · EPS 0.38

Est. earnings growth +25.7%

Next fiscal year

Rev $318.3M · EPS 1.65

Est. earnings growth +27.7%

Analyst consensus estimates — not the company's own guidance.

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Financials at a glance

Source: SEC XBRL

Annual

Quarterly · last 8

Revenue (FY2025)

$219.0M

Net margin

-0.3%

ROE

-0.2%

Revenue CAGR (2y)

+14.9%

EPS (FY2025)

-0.02

Net profit (FY2025)

$-640,000

Ask MarketChacha about PDFS

Get a cited, plain-English answer — the “why”, not just data. Finance research only, never buy/sell advice.

Why it moved

Sep 1, 2026
PDF Solutions shares fell 6% amid news of its CTO selling 3,394 shares for ~$151K on August 31 (reported September 1), with no other company-specific catalysts or filings on the day.
source 1 ↗source 2 ↗· confidence: medium

Daily moves with the verified reason behind them. Education only — not investment advice.

Financials

Yearly

Period	Revenue	Net profit	EPS	Net margin	ROE
FY2025	$219.0M	$-640,000	-0.02	-0.3%	-0.2%
FY2024	$179.5M	$4.1M	0.10	2.3%	1.6%
FY2023	$165.8M	$3.1M	0.08	1.9%	1.4%

Quarterly

Period	Revenue	Net profit	EPS	Net margin
2026Q2	$61.5M	$4.3M	0.10	6.9%
2026Q1	$60.1M	$4.8M	0.12	8.0%
2025Q3	$57.1M	$1.3M	0.03	2.3%
2025Q2	$51.7M	$1.1M	0.03	2.2%
2025Q1	$47.8M	$-3.0M	-0.08	-6.3%
2024Q3	$46.4M	$2.2M	0.06	4.8%
2024Q2	$41.7M	$1.7M	0.04	4.1%
2024Q1	$41.3M	$-393,000	-0.01	-1.0%
2023Q3	$42.4M	$-5.0M	-0.13	-11.7%
2023Q2	$41.6M	$6.8M	0.17	16.4%
2023Q1	$40.8M	$355,000	0.01	0.9%

Figures as reported, in reporting currency. Source: SEC XBRL.

Filings & announcements

2026

8-K — Results of operations, Exhibits
SEC8/6/2026material
10-Q — FORM 10-Q
SEC8/6/2026
8-K — Shareholder vote results, Exhibits
SEC6/18/2026material
8-K — Other events, Exhibits
SEC5/15/2026material
8-K — Results of operations, Exhibits
SEC5/7/2026material
10-Q — FORM 10-Q
SEC5/7/2026
8-K — Material agreement, Material financial obligation, Exhibits
SEC4/24/2026material
10-K — FORM 10-K
SEC2/24/2026
8-K — Results of operations, Exhibits
SEC2/12/2026material

2025

8-K — Reg FD disclosure
SEC11/13/2025material
8-K — Results of operations, Exhibits
SEC11/6/2025material
10-Q — FORM 10-Q
SEC11/6/2025
8-K — Results of operations, Exhibits
SEC8/7/2025material
10-Q — FORM 10-Q
SEC8/7/2025

In the news

Education and discussion only — not investment advice. Financials from official filings (SEC/BSE) and reported company statements; market figures (delayed market data) are delayed and shown for reference only. Verify with the linked sources before acting.