Pre-Money vs. Post-Money Valuation: Venture Financing Examples

Pre-money valuation expresses the agreed equity valuation of a company immediately before a financing. Post-money valuation adds the primary capital raised in that financing under the stated transaction assumptions. Venture investors use both figures to understand price, ownership and dilution.

Post-money valuation = Pre-money valuation + New primary investment

A basic priced-round example

Assume a company raises $5 million of new primary equity at a $20 million pre-money valuation. Its post-money valuation is $25 million. The new-money investors collectively acquire 20% of the fully diluted company immediately after the financing, assuming the agreed capitalization has already accounted for all share changes relevant to the price.

$20M pre-money + $5M new money = $25M post-money; $5M ÷ $25M = 20% new-money ownership

Existing holders collectively own the remaining 80% after the round under this simplified model. Their economic interest becomes a smaller fraction of the expanded company while the financing provides new operating capital.

How price per share relates to valuation

Suppose the company's fully diluted pre-financing capitalization is 10 million shares and contains no new option-pool expansion or converting securities. The illustrative price is $2 per share. A $5 million investment buys 2.5 million new shares, creating 12.5 million fully diluted shares after the financing.

$20M ÷ 10M pre-financing fully diluted shares = $2 per share; $5M ÷ $2 = 2.5M new shares

These amounts reconcile: 2.5 million new shares divided by 12.5 million post-financing shares equals 20% ownership. Any change to the agreed share count or closing mechanics can change the resulting price or ownership.

How existing ownership changes

An existing investor holding 10% of the pre-financing fully diluted shares would hold 8% afterward if that investor makes no new purchase. Ownership, dilution and pro rata rights determine whether it has a contractual opportunity to participate.

What can change the simple formula?

A new option reserve, convertible-note conversion, SAFE capitalization adjustment, new warrants, secondary share purchase or different share-class rights can affect the cap table. The final transaction model must specify whether amounts in the announced round include only primary capital and which securities belong in the pre-money denominator.

The option pool dilution guide shows how moving an option reserve before or after a round can shift dilution among founders and investors. The SAFE conversion guide explains why a SAFE cap requires different mechanics from a simple priced round.

Questions to ask before approving a financing

Request the dated pre-round and pro forma fully diluted cap tables, exact investment amount, security terms, option-pool size and converting instruments. Reconcile the requested check to expected ownership and model any additional financing the company may require.

Treto's Diligence workspace can preserve the cap table, financing documents and open ownership questions with the investment review. Legal counsel and the firm's cap-table model determine the actual closing economics.

Questions investors ask

Is post-money valuation the cash value of a startup?

Post-money equity valuation follows the agreed share price and capitalization assumptions used in a financing. It is distinct from the company's bank cash or the amount investors could realize in a future exit. Security rights and the eventual transaction determine the proceeds received by each holder.

Does $5 million raised at a $20 million pre-money valuation sell 25%?

Under a simple all-primary priced round, the company sells $5 million divided by $25 million post-money, or 20%. Dividing by the $20 million pre-money valuation gives 25%, which measures the new capital relative to the prior valuation rather than the investor's post-round ownership.