This blog has been written by ChatGPT summarizing the full Carta report which can be found here.
Introduction
Understanding the dynamics of founder ownership in startups is crucial for anyone venturing into the entrepreneurial landscape. This blog delves into recent trends and data insights from over 45,000 U.S.-based startups, focusing on how equity is managed and evolves from inception through various funding stages.

The Rise of Solo Founders
Recent years have seen a significant shift towards solo entrepreneurship. In 2024, solo founders represented 35% of all startups, a sharp increase from previous years. This trend reflects a growing preference among entrepreneurs to launch ventures independently, although it comes with challenges, particularly in securing venture capital (VC) funding. Solo founders were less likely to raise VC funding compared to their counterparts in multi-founder teams, with only 17% managing to secure funding in 2024.
Equity Distribution Among Founders
Equity distribution is a critical decision for founding teams. While unequal equity splits have been common, there's a noticeable shift towards more democratic approaches. In 2024, nearly 46% of two-person founder teams opted for an equal equity split, up from 31.5% in 2015. This trend towards fairness reflects changing attitudes about partnership and value contribution.
Impact of Funding on Founder Ownership
As startups progress through funding rounds, founder ownership typically dilutes. After a seed round, founders on average retain 56.2% of equity, which drops to 36.1% by Series A and further declines as additional rounds are raised. This dilution is influenced by the need to raise capital, especially in challenging economic times, and the capital-intensive nature of certain industries like biotech and hardware.
Sector-Specific Trends
Founding team composition and equity stakes vary significantly across sectors. In software-focused industries like fintech and SaaS, founder teams tend to retain a larger portion of equity compared to physical product-focused sectors like biotech and hardware. This variance is largely due to the different capital requirements and business models inherent to these industries.
Conclusion
The landscape of founder ownership is evolving, with solo founders gaining prominence and equity splits becoming more equitable. However, the journey of managing equity effectively remains complex, influenced by industry specifics, funding stages, and market conditions. These insights not only highlight the changing dynamics of startup ownership but also serve as a guide for future founders in navigating these challenges.
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