Model ownership across founders, investors and the option pool, before and after a new round.
Cap tables are computed on a fully diluted basis, meaning the option pool counts as outstanding even before options are granted. Every percentage is simply a share count divided by the new total. Ownership only makes sense on a fully diluted basis; a percentage quoted on issued shares alone is always flattering and always wrong.
Cap Table
Ownership % = shares held ÷ total shares outstanding after the round
Ownership % = shares held ÷ total shares outstanding after the round Cap tables are computed on a fully diluted basis, meaning the option pool counts as outstanding even before options are granted. Every percentage is simply a share count divided by the new total.
Ownership only makes sense on a fully diluted basis; a percentage quoted on issued shares alone is always flattering and always wrong.
This calculator takes 5 inputs: Founder shares, Existing investor shares, Option pool shares, New shares issued in this round, Price per new share. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.