PDF Solutions, Inc. reported record fourth‑quarter revenue of $62.4 million, up 10% from $57.1 million in Q3 2025 and 24% from $50.1 million in Q4 2024. The company posted a GAAP net loss of $48,000 for the quarter, a sharp turnaround from the $1.3 million net income reported in Q3 2025, while non‑GAAP net income reached $12.0 million, driven by the elimination of one‑time integration and amortization charges related to the SecureWISE acquisition and eProbe hardware investments. Non‑GAAP earnings per share of $0.30 beat the consensus estimate of $0.24 by $0.06, a 25% upside.
Revenue growth was largely powered by the Exensio analytics platform and the expanded secureWISE connectivity services, which together captured a 25% year‑over‑year increase in the semiconductor customer base. The launch of additional eProbe machines added a new revenue stream, while recurring revenue rose to 94% of total sales, up from 81% in 2024, underscoring a shift toward a more predictable, subscription‑based model.
GAAP operating margin contracted to 6% in Q4 2025 from 8% in Q3 2025, reflecting the impact of higher cost of goods sold and the one‑time integration expenses. In contrast, non‑GAAP operating margin expanded to 24% from 23% in Q3 2025, driven by the higher mix of high‑margin platform contracts and improved operational leverage as revenue scales. The company’s full‑year 2025 GAAP net loss of $0.6 million versus a $4.1 million net income in 2024 highlights the effect of the acquisition‑related charges, while non‑GAAP net income of $37.2 million and a 21% operating margin demonstrate the underlying profitability of the core business.
Management reiterated its 2026 revenue growth outlook, projecting a 20% increase in top line and targeting a 77% gross margin and a 27% operating margin. The guidance signals confidence that the company will continue to scale its analytics and secure data exchange services while moving toward profitability in the next fiscal year.
Dr. John Kibarian, CEO, said, 'The semiconductor industry's complexity is outpacing its operational capabilities, underscoring the strategic relevance of the PDF Solutions Platform.' He added, 'We exceeded our prior long‑term target model of 75% gross margin and 20% operating margin for 2025 on a full‑year basis, with the reported 76% gross margin and 21% operating margin.'
Investors responded with a muted reaction, reflecting a balance between optimism about the company’s growth trajectory and caution over the recent margin compression and the impact of one‑time charges.
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