Seed Round

A seed round is the first significant round of outside funding a startup raises from professional investors, typically in exchange for equity in the company. Median seed rounds in 2024 ranged from $2.5 to $5 million, depending on the industry, and founders give up 20 to 30% ownership on average when the employee option pool is included. Only 46% of companies that raise a seed round ever raise a second one.

How It Works

Who invests

Seed rounds are led by angel investors (individuals writing $25,000 to $100,000 checks), seed-stage venture capital funds, or accelerators like Y Combinator, which invests $500,000 for 7% equity. Many seed rounds combine several of these sources, with one lead investor setting the terms and others following in.

What the company gives up

The median dilution at a seed round is 20.1% for the investor’s stake alone, according to Carta data from 2024. On top of that, investors typically require the company to set aside an employee stock option pool of 10 to 20%, which comes out of the founders’ share, not the investors’. A founder who starts with 100% ownership can hold less than 60% after a single seed round once both the investor stake and the option pool are accounted for.

What comes next

If the company hits its milestones, it raises a Series A (averaging $18.7 million) to scale. If it does not, that seed money is the last outside capital it receives. Roughly 54% of seed-funded companies never raise again, which means the seed round is the only venture capital most startups ever see.

Real Example

Glossier raised a $2 million seed round in 2014 from Forerunner Ventures. Emily Weiss had a blog with a loyal audience and a clear product concept, but no revenue. That $2 million funded the first product line, and within five years Glossier had raised $266 million across six rounds at a peak valuation of $1.8 billion. The seed investors who wrote that initial $2 million check saw their stake multiply more than 100x on paper before the company’s later struggles brought the valuation back down.

Go Deeper

• Venture Capital: How the full funding cycle works from seed through IPO, what term sheets contain, and why 1% of VC goes to women-founded companies.
• Equity and Ownership: What ownership actually means, how dilution works, and what founders keep after multiple rounds.
• Bootstrapping: The alternative to raising a seed round, and how 86% of successful businesses are built without outside capital.
• Valuation: How investors determine what a company is worth at the seed stage and beyond.

Frequently Asked Questions

What is a seed round?

A seed round is the first formal round of outside investment in a startup, where professional investors provide capital in exchange for an ownership stake in the company. Median seed rounds range from $2.5 to $5 million, and the investors receive preferred stock with rights that protect their investment if things go wrong.

How much equity do you give up in a seed round?

The median investor stake at a seed round is 20.1%, but founders typically give up an additional 10 to 20% for the employee stock option pool, bringing total dilution to 30 to 40%. A founder who owns 100% before the round could own 55 to 70% after, depending on the size of the option pool and the valuation.

What is the difference between a seed round and Series A?

A seed round funds the earliest stage of a company, typically before significant revenue, and averages $2.5 to $5 million. A Series A comes after the company has proven its product works and averages $18.7 million. Seed investors bet on the idea and the founder. Series A investors bet on traction and growth metrics.

Do I need a seed round to start a business?

Most businesses do not raise seed rounds. Only 3% of startups raise venture capital of any kind, and 86% of successful businesses are bootstrapped. Seed rounds make sense for companies that need significant upfront capital before they can generate revenue, like tech platforms or product development for physical goods, but a service business, content business, or e-commerce store can often launch without outside funding.

Sources

• Carta, “Dilution Data Q1 2024,” 2024. Median seed round dilution rates and option pool sizing.
• Crunchbase, “US Median Round Size,” 2024. Seed round size benchmarks and seed-to-Series-A conversion rates.
• Fundz, “Series A, B, and Beyond,” 2024. Average round sizes by stage.