Observed Signal · Feb 27, 2026 · Earnings Report · Source: AdExchanger · Impact: 4/5 · Sentiment: Positive
PubMatic Bets Big on Agentic AI for Future Growth
PubMatic reported Q4 2025 revenue of $80 million (down 6% YoY) and full-year 2025 revenue of $282.9 million (down 3% YoY) but beat its projections, prompting a roughly 6% after-hours stock rise. Management said revenue was pressured by reduced spend from a large incumbent DSP (implicitly The Trade Desk) and has responded by diversifying DSP partners, adding 50 new DSPs and courting midtier/bespoke platforms. The company is pushing agentic AI through its AgenticOS product and an AI accelerator program (nearly 100 partners signed), saying AgenticOS campaigns generate incremental revenue and carry additional fees. PubMatic has run over 250 agentic campaigns since January and forecasts agentic AI will autonomously execute 25% of digital ads by 2028 and 50% by 2030. Other highlights: CTV, mobile and emerging revenues grew strongly in Q4, Activate tripled, and supply-path optimization accounted for 55% of platform activity in 2025.
PubMatic's earnings call outlines a strategic industry bet on agentic AI (AgenticOS), new revenue streams, DSP diversification and measurable growth in CTV/mobile/Activate — developments that affect programmatic supply chains and adoption of AI-driven ad execution.
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Key Takeaways & Evidence Grounding
- PubMatic reported Q4 2025 revenue of $80 million (down 6% YoY) and full-year 2025 revenue of $282.9 million (down 3% YoY).
- Management said an unnamed large incumbent DSP (implied: The Trade Desk) reduced spend in 2024, and PubMatic has added 50 new DSP partners to diversify demand.
- PubMatic launched AgenticOS and says it has run more than 250 agentic ad campaigns since January; AgenticOS campaigns carry additional fees beyond the SSP take rate.
- PubMatic forecasts 25% of digital advertising will be executed autonomously via agentic AI by 2028 and 50% by 2030.
- Q4 performance: CTV revenue up 50% YoY (ex-2024 political spend), mobile app growth up 25% QoQ, emerging revenues up 75% in Q4 and now ~10% of total revenue; Activate tripled in Q4 and supply-path optimization was 55% of platform activity in 2025.
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PubMatic Expands Agentic AI Beyond Direct Deals
PubMatic said on its Q1 2026 earnings call that its AgenticOS platform has run more than 30 fully autonomous end-to-end agentic campaigns, in addition to over 1,000 direct publisher deals. The company reported Q1 revenue of $62.6 million, a 13% year‑over‑year increase, and said agentic-enabled deals helped drive an 80% YoY rise in its emerging revenue category, which now represents 14% of total revenue. PubMatic highlighted performance gains from AgenticOS (buyers seeing 30–40% CPM improvements and the ability to buy more inventory), expanded mobile and CTV growth, integrations with major mobile mediation platforms and an Amazon DSP integration that raised publisher CPMs. Management flagged near-term headwinds from a major DSP pullback (attributed to The Trade Desk), a projected Q2 revenue decline, and upcoming executive departures in growth/CRO roles.
PubMatic’s AgenticOS Scales Globally
PubMatic announced that AgenticOS — its AI-driven operating system for agentic media buying — is accelerating global adoption after launching at CES in January 2026. The platform is running 30 live end-to-end agentic campaigns across the United States, France, the Netherlands, Australia and India, and has onboarded strategic partner Brkthru alongside agencies and buyers such as Butler/Till, MiQ and Untapped Growth. PubMatic reports more than 1,000 AI-enabled deals, millions of dollars transacted, and agentic workflows spanning audience discovery, inventory curation, activation, deal management and insights. Reported campaign outcomes include significant cost and efficiency gains (for example, a Butler/Till CTV campaign that reduced buy-side fees >5x and lowered effective CPM by 30%). PubMatic also integrated its Creative Innovation Suite into AgenticOS and highlights premium inventory and partner data connectivity as key capabilities.
PubMatic Deploys AI Agents to Simplify Programmatic Buying
PubMatic is deploying a network of AI agents, via its AgenticOS infrastructure (built with NVIDIA) and its Activate buying platform, to automate planning, execution and optimization of programmatic media campaigns. The rollout is part of a partnership with Untapped Growth, a collective of 20 independent agencies, which allows agencies to input campaign preferences and access negotiated commercial terms. PubMatic says AgenticOS replaces manual DSP/SSP orchestration with specialized bots for tasks such as audience discovery and execution; early tests reportedly showed an 82% reduction in buy-side costs and nearly a 90% reduction in campaign setup time for one agency. Two Untapped Growth agencies are expected to go live shortly, while others are testing the system and exploring direct LLM-driven execution (e.g., via Claude) that can bypass traditional DSP layers.
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