PubMatic (PUBM) Q4 2025 earnings summary

Executive summary

• Delivered strong Q4 and FY 2025 results, with Q4 revenue of $80.0M, adjusted EBITDA of $27.8M (35% margin), and GAAP net income of $6.7M, driven by growth in CTV, mobile app, and AI-powered revenues.

• Strategic repositioning, investments in AI and infrastructure, and leadership in agentic AI and direct buying solutions (Activate, AgenticOS) have strengthened the business model and driven industry transformation.

• Underlying business grew 18% year-over-year in Q4 2025, representing 83% of total revenue, excluding legacy DSP and political advertising.

• AI-driven automation and operational efficiencies delivered significant productivity gains and margin leverage.

• AgenticOS adoption accelerated, with over 250 agentic deals and nearly 100 brands/agencies applying to the AI Accelerator Program.

Financial highlights

• FY 2025 revenue was $282.9M, with Q4 2025 revenue of $80.0M; Q4 adjusted EBITDA margin was 35% and adjusted EBITDA was $27.8M.

• FY 2025 gross profit was $179.8M (64% margin); adjusted EBITDA was $61.6M (22% margin); non-GAAP net income for Q4 2025 was $14.4M (18% margin).

• Free cash flow for 2025 was $46.2M, up 32% year-over-year; net operating cash flows reached $81.1M, up 10%.

• Ended 2025 with $145.5M in cash and no debt.

• Emerging revenues grew over 75% year-over-year in Q4, now representing 10–12% of total revenues.

Outlook and guidance

• Q1 2026 revenue expected between $58M–$60M; adjusted EBITDA guidance is $(0.5)M to $1.0M, including FX headwinds and DSP buyer impact.

• Double-digit revenue growth and margin expansion anticipated in the second half of 2026, supported by AI efficiencies and as DSP headwinds subside.

• Full-year 2026 CapEx projected at $15M–$19M, with focus on AI workload support.