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New York, NY – May 8, 2026 – PubMatic, a leading sell-side platform (SSP), is redefining the landscape of programmatic advertising with its agentic ad tech solutions, signaling a significant shift away from traditional direct ad buy limitations. The company announced a substantial acceleration in its adoption of fully autonomous, end-to-end agentic campaigns, a testament to the growing capabilities and market acceptance of artificial intelligence within the advertising technology ecosystem. This strategic push has not only fueled impressive revenue growth but also demonstrated tangible efficiency improvements for advertisers and publishers alike.
During PubMatic’s first-quarter earnings call on Thursday, CEO Rajeev Goel revealed that the company has successfully executed over 30 fully autonomous, end-to-end agentic campaigns through its proprietary AgenticOS platform. This milestone is in addition to more than 1,000 direct publisher deals that have already leveraged the capabilities of AgenticOS since its inception. The burgeoning success of these AI-driven deals has been a primary catalyst for an 80% year-over-year surge in PubMatic’s emerging revenue category, which now constitutes a significant 14% of the company’s total revenue for the quarter.
This robust growth in AI-powered advertising solutions contributed to PubMatic’s overall 13% year-over-year revenue increase in Q1, reaching a total of $62.6 million. The company also reported double-digit year-over-year growth in monetized impressions, underscoring the increased efficiency and volume of ad transactions facilitated by its platform. Furthermore, Connected TV (CTV) emerged as a standout performer, with its revenue as a standalone category climbing 18% year-over-year. Mobile app revenue also demonstrated strong momentum, growing by an impressive 25% during the same period.
The Agentic Advantage: Unlocking Efficiency and Value
PubMatic’s AgenticOS platform is proving to be more than just a revenue driver; it’s a powerful engine for enhancing campaign efficiency. According to Goel, advertisers utilizing the solution are experiencing notable improvements in their cost efficiencies, with reported increases in Cost Per Mille (CPM) of 30% to 40%. This enhanced value proposition is attributed to a streamlined, single-layer technology stack that mirrors the operational advantages of "walled garden" platforms, which have historically driven superior ad performance through integrated systems.
The efficiency gains extend to inventory acquisition. Buyers are reportedly able to procure 40% more publisher inventory when using PubMatic’s agentic solutions. This is largely due to the elimination of multiple intermediary fees that typically erode advertiser budgets in traditional programmatic transactions. By facilitating end-to-end agentic deals directly through its platform, PubMatic removes several layers of ad tech complexity and associated costs.
"It’s a single layer of technology, and it looks a lot like what the walled gardens leverage to drive ad performance," Goel stated during the earnings call, drawing a parallel to the integrated efficiencies enjoyed by major tech giants within their own advertising ecosystems.
This consolidation of the ad tech supply chain is further bolstered by PubMatic’s strategic initiatives. The company’s Activate direct-to-buyer connection has seen its business triple since the first quarter of the previous year, indicating a growing demand for direct relationships between buyers and publishers. Concurrently, its Connect data platform has expanded its network to include over 300 data and commerce media partners, such as Walmart Connect and PayPal Ads, providing advertisers with richer targeting capabilities and access to valuable consumer insights.
Mobile and CTV Momentum Fuels Overall Growth
The robust performance of PubMatic’s mobile app business, which saw a 25% year-over-year increase, played a significant role in the SSP’s overall 5% growth in display advertising revenue. Collectively, revenue generated from mobile and omnichannel video accounted for a substantial 79% of PubMatic’s total Q1 revenue. This dominance highlights the critical importance of these channels in the current advertising landscape.
PubMatic has strategically positioned itself within the mobile ecosystem by integrating with the three leading mediation platforms: AppLovin Max, Google AdMob, and Unity LevelPlay. These integrations grant PubMatic access to over 90% of global mobile SDK inventory, providing advertisers with unparalleled reach and publishers with optimized monetization opportunities.
Further innovation in the mobile and cross-channel advertising space is evident in AgenticOS’s Creative Innovation Suite. This AI-powered tool is designed to generate consistent and engaging creative assets for targeted campaigns across CTV, mobile, and online display touchpoints. Agencies such as Horizon Media, Crossmedia, and Kelly Scott Madison have already adopted this suite, recognizing its potential to enhance creative efficacy and streamline campaign deployment across diverse platforms.
These advancements have laid a strong foundation for PubMatic’s continued AI-driven growth. The company reaffirmed its positive outlook for the latter half of the year, projecting a double-digit growth rate, consistent with its earlier Q4 guidance.
However, the investor sentiment surrounding the sustainability of PubMatic’s agentic AI business for true revenue growth remains cautiously optimistic. Some investors have voiced concerns that despite the significant number of direct deals and autonomous campaigns facilitated by AgenticOS, these initiatives still represent a "material percentage" of PubMatic’s overall business. In response, PubMatic CFO Steve Pantelick emphasized that AI’s impact extends beyond direct campaign execution. He highlighted AI’s role in accelerating publishers’ campaign setup and troubleshooting processes, anticipating that these operational improvements, combined with the ongoing strength of mobile and CTV, will continue to drive double-digit growth.
Navigating DSP Competition and Evolving Market Dynamics
While PubMatic is enthusiastically embracing the potential of AI, the company is also contending with the persistent challenges posed by the competitive dynamics between Demand-Side Platforms (DSPs) and Supply-Side Platforms (SSPs) for direct advertiser business.
A significant headwind identified by PubMatic relates to the reduced spending from a major, unnamed DSP – widely understood to be The Trade Desk. This reduction is largely attributed to the increased adoption of The Trade Desk’s OpenPath solution, a direct-to-publisher offering designed to bypass SSPs. This strategic shift by a key partner contributed to a 12% year-over-year decline in PubMatic’s U.S. revenue during the first quarter. However, this domestic slowdown was partially offset by robust growth in other regions, with the Asia-Pacific market experiencing a 25% surge and the Europe, Middle East, and Africa (EMEA) region growing by 10%.
The impact of this unnamed DSP’s pullback is projected to continue affecting PubMatic’s earnings in the second quarter, with the company forecasting a revenue decrease of between 2% and 4%. Investors sought clarification on the extent of this impact, and Pantelick indicated that revenue from the DSP in question actually exceeded expectations in Q1, thanks to PubMatic’s proactive efforts to "optimize our platform to meet the needs of this buyer." The company anticipates fully lapping the impact of this DSP’s reduced activity by the third quarter.
To mitigate the financial impact of these losses, PubMatic has strategically expanded its partner network, onboarding over 50 additional DSPs in the past year. Furthermore, the company has seen a 20% increase in integrations with mid-market DSPs in Q1, diversifying its demand-side relationships.
In a notable development, PubMatic also secured a partnership with Amazon DSP this quarter. The integration of Amazon’s Dynamic Traffic Engine has reportedly improved publisher CPMs by up to 10% since its implementation, showcasing the ongoing benefits of strategic alliances within the advertising ecosystem.
Future Outlook and Strategic Imperatives
Looking ahead, PubMatic is focused on several key priorities, including the recruitment of new leadership to fill critical executive roles. The company is actively seeking to replace Kyle Dozeman, former CRO of the Americas, and Paulina Klimenko, former Chief Growth Officer, who have both departed. Goel indicated that PubMatic is exploring options to consolidate some of these responsibilities under a newly established global Chief Revenue Officer position, aiming for a more streamlined and integrated approach to revenue generation and market development.
PubMatic identifies continued growth opportunities in serving mid-market, performance-focused DSPs and midsize independent agencies. These segments have demonstrated a more agile approach to adopting AI solutions compared to their larger, more established counterparts within major holding companies. This focus suggests a strategic pivot towards nurturing relationships with entities that are quicker to innovate and adapt to new technologies.
The company also expressed keen interest in collaborating with OpenAI as the generative AI leader opens its platform to advertising. PubMatic has already engaged with smaller AI players like Kontext and Dappier, and is actively "innovating on the ad formats and appropriate signals to monetize that kind of inventory." Goel cited OpenAI’s ambitious target of generating $100 billion in ad revenue by 2030 as a strong indicator that such a monumental undertaking will necessitate extensive collaboration with established platforms like PubMatic.
"It’s going to be an ecosystem-wide effort for them to get to that level," Goel remarked, underscoring the collaborative nature of future advertising market expansion driven by AI. This forward-looking perspective positions PubMatic as a proactive participant in shaping the next era of programmatic advertising, leveraging AI to drive efficiency, value, and innovation across the entire digital advertising supply chain.
