Enter a pre-money valuation, IPO share price, shares offered, and existing shares outstanding. The modeler returns founder, employee, and investor ownership % retained post-money — the dilution every pre-IPO holder needs to know before listing day.
The first of the IPO Simulation Agents — inside the $99/mo Intelligence Stack.
The interactive calculator is part of the $99/mo IPO Intelligence Stack. Every Monday's pre-IPO intel brief, watchlist alerts, and the Simulation Agents — one subscription, cancel anytime.
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Example: $10B pre-money · $10/share IPO price · 100M shares offered · 10M existing shares
| Cohort | Pre-money shares | Pre-money % | Post-money shares | Post-money % | Dilution |
|---|---|---|---|---|---|
| Founder | 4,500,000 | 45.00% | 4,500,000 | 4.09% | −40.91 pp |
| Employee pool | 1,000,000 | 10.00% | 1,000,000 | 0.91% | −9.09 pp |
| Pre-IPO investor | 4,500,000 | 45.00% | 4,500,000 | 4.09% | −40.91 pp |
| IPO public float | — | — | 100,000,000 | 90.91% | +90.91 pp |
| TOTAL | 10,000,000 | 100% | 110,000,000 | 100% | — |
Post-money valuation ≈ $11B · post-money share count = 110M · retention % = cohort pre-money shares ÷ post-money total. Run this on any pre-IPO position once the calculator above is unlocked.
Part of the $99/mo IPO Intelligence Stack — explore the other Simulation Agents.
Project insider sale windows and the day-180 expiration cliff. The unlock event every pre-IPO holder and secondary buyer plans around.
Open →Project % retained and implied dollar stake across pre-IPO → at IPO → post-IPO +12mo at 1×, 2×, or 3× multiples.
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