StackAdapt

• Led a $300M minority growth investment in 2022, and supported [the] company in securing an additional $235M minority investment led by Teachers’ Venture Growth in 2025
• Supported the company in scaling operations across North America, EMEA and APAC
• Assisted in recruiting key executives, including a CRO, CFO, CPO and CMO, as well as two independent board members with public company experience
• Collaborated closely with the StackAdapt team to help refine its go-to-market strategy and strengthen operational infrastructure to support growth at scale
• Worked alongside management to refine StackAdapt’s product roadmap, with a focus on AI and automation capabilities
• Supported StackAdapt’s product evolution from a programmatic advertising platform to a unified adtech and martech solution, that incorporates paid media, email, first-party data and AI-driven personalization features.

Since Summit’s investment, StackAdapt has scaled rapidly and has continued to strengthen its position as a marketing technology leader. The company’s product has evolved towards a unified, AI-enabled marketing solution, incorporating paid media, first-party data, email and intelligent automation to help drive measurable impact at scale. In 2025, StackAdapt secured an additional $235 million minority investment led by Teachers’ Venture Growth. Summit remains the company’s largest institutional shareholder and supports StackAdapt’s mission to disrupt the digital marketing landscape.

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^{Important Disclosures:
The information presented herein represents the views and opinions of Summit Partners as well as present executives of StackAdapt, is inherently uncertain and based on a number of assumptions. Such information should not be construed or relied upon as an indication of future performance or other future outcomes.}

^{References to AI adoption, AI-enabled capabilities or AI-driven initiatives by portfolio companies do not represent, and should not be interpreted as, measures of performance, value creation or investment success. The use of AI by a portfolio company and/or the development of an AI-native or AI-powered product or solution are not necessarily indicative of future results and do not ensure operational improvement or financial performance. Past practices or adoption trends among portfolio companies are not predictive of future adoption or outcomes, and there can be no assurance that any trend or illustration herein will continue. No representation or warranty, express or implied, is made regarding the accuracy, reliability or completeness of the information contained herein. As of March 3, 2026.}