PubMatic (PUBM) Q4 2025 earnings summary

Executive summary

• Q4 and FY 2025 revenue and adjusted EBITDA exceeded guidance, driven by strong growth in CTV, mobile app, and emerging AI-powered revenues, with robust cash flow and healthy margins.

• AI leadership and agentic advertising solutions accelerated growth, with over 250 agentic deals executed and rapid adoption among brands, agencies, and publishers.

• Strategic priorities include DSP diversification, Activate adoption, CTV/mobile leadership, emerging revenue streams, and AI-driven operational efficiency, positioning for double-digit revenue growth in H2 2026.

• Investments in AI infrastructure and automation delivered significant operational efficiencies and margin leverage.

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

Financial highlights

• Q4 2025 revenue was $80.0M, adjusted EBITDA was $27.8M (35% margin), and GAAP net income was $6.7M ($0.14 per diluted share).

• FY 2025 revenue was $282.9M, gross profit $179.8M (64% margin), adjusted EBITDA $61.6M (22% margin), and non-GAAP net income $16.7M ($0.33 per diluted share).

• Free cash flow for 2025 was $46.2M, up 32% year-over-year; net operating cash flows totaled $81M, up 10%.

• Nearly 50% of revenues now come from CTV, mobile app, and emerging sources.

• Cost of revenue declined 20% year-over-year per unit; processed 336.8 trillion impressions in 2025, up 28%.

Outlook and guidance

• Q1 2026 revenue expected between $58–$60M; adjusted EBITDA guidance ranges from $(0.5)M to $1M, impacted by FX headwinds and DSP factors.

• Double-digit revenue growth and margin expansion anticipated in the second half of 2026, driven by AI and operational leverage.

• Full-year CapEx projected at $15–$19M, shifting focus to AI workload support.

• Operating expenses expected to grow mid-single digits, including litigation costs.