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Understanding Equity Dilution When Raising Investment

Work through these steps in order.

  1. What is equity dilution?

    When a company raises investment by issuing new shares, the ownership percentage held by existing shareholders decreases proportionally, even though the number of shares they personally hold hasn't changed.

  2. How dilution compounds across rounds

    As a company goes through multiple funding rounds β€” seed, Series A, Series B, and beyond β€” the ownership percentage held by founders and early shareholders keeps shrinking with each round.

  3. The effect of an option pool

    Companies often set aside a block of equity as an option pool to compensate employees, and this allocation is itself a source of dilution from the perspective of existing shareholders.

  4. Anti-dilution provisions

    If a company raises a later round at a lower valuation than a previous one β€” a "down round" β€” anti-dilution provisions can protect earlier investors' ownership percentage, which typically comes at further cost to the founders' stake.

  5. How founders can manage dilution

    Planning a target ownership percentage for each expected funding round in advance, and avoiding raising more capital than the business actually needs, are both important parts of managing ownership over the long run.

Why your ownership shrinks as you raise more

Raising investment is a valuable way to fund a company's growth, but issuing new shares to bring in that capital naturally lowers existing shareholders' ownership percentage. That's a normal part of the process, which is exactly why it's important to plan target ownership levels for each round in advance, so a founder's stake doesn't fall further than intended across several rounds.

General education, not legal or financial advice

This page explains general concepts around equity dilution for educational purposes and is not legal, tax, or investment advice for any specific transaction. Cap table mechanics, term sheet language, and applicable regulations vary by company and jurisdiction, so consult a qualified lawyer or accountant before structuring a real funding round.

Frequently Asked Questions

Is there any way to avoid dilution entirely?

As long as a company is raising outside investment through new share issuance, dilution is difficult to avoid entirely. Using non-dilutive funding sources like loans alongside equity investment, or raising only as much as is actually needed, can help minimize it.

When is the best time to set up an option pool?

Setting up an option pool before an investment round means the resulting dilution falls mainly on existing shareholders (usually the founders), so negotiating the pool's size and timing with investors is an important part of the process.