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James Chae

작성자 James Chae — 엑스퍼트 사피엔스 공동창업자

검토됨 6월 2026

Fundraising & Equity

Dilution이란 무엇인가요?

정의

Dilution is the reduction in an existing shareholder's ownership percentage that happens when a company issues new shares — most commonly during a funding round or when granting an option pool.

If a founder owns 100% of a company with 10 million shares and the company issues 2.5 million new shares to investors, the founder's stake drops to roughly 80% — even though the number of shares they personally hold hasn't changed. Every funding round dilutes existing shareholders unless they have negotiated anti-dilution or pro-rata rights letting them buy additional shares to maintain their percentage.

Dilution compounds across multiple rounds: a founder who owns 100% pre-seed might own 60-70% after seed, 45-55% after Series A, and considerably less by Series C, even without ever selling a share. Expanding the option pool (to hire employees) is itself a dilution event, and VCs frequently negotiate that the pool be created "pre-money" — meaning existing shareholders, not the new investors, absorb that dilution.

왜 중요한가

Founders who don't model dilution across several future rounds are routinely surprised by how little of the company they own by the time of an exit. A fractional CFO or startup-focused financial advisor can build a cap table model that projects ownership through multiple future raises, so founders can negotiate valuation and option-pool size with the actual long-term impact in view, not just the current round.

Dilution 뜻 — 정의와 의미 쉽게 정리 | Expert Sapiens