How to Read a Private-Company Cap Table
Understanding the Direct Deal
A cap table lists every security holder and their ownership stake, but the headline percentages are only meaningful when read on a fully diluted basis — accounting for the option pool, all convertible instruments, and any securities not yet issued but contractually promised.
Reading Rights, Price and Lead-Investor Quality
A common trap is a cap table that shows an attractive ownership percentage on an as-issued basis, but shrinks meaningfully once an unallocated option pool (often reserved for future employee grants) and outstanding convertible notes or SAFEs are converted into their fully diluted equivalent.
Where Deal Underwriting Breaks
The common failure is accepting the headline ownership number from a pitch deck without independently reconciling it against the actual, fully diluted cap table. The gap between headline and fully diluted ownership can be substantial, especially at companies that have raised convertible instruments across multiple prior rounds.
Making the Investment Decision
Before committing, request the actual fully diluted cap table (not a summary slide), confirm the size of the option pool and whether it is being expanded as part of this round, and reconcile all outstanding convertible instruments to understand true post-money ownership.
Ownership percentage only means what it appears to mean once verified on a fully diluted basis — never rely on a summary figure from a pitch deck.
Key takeaways
- Cap table percentages are only meaningful on a fully diluted basis, accounting for the option pool and convertibles.
- An attractive as-issued ownership figure can shrink substantially once fully diluted.
- Request the actual cap table, not a summary slide, and reconcile it independently.
- Confirm whether the option pool is being expanded as part of the current round.
More in Co-Investments and Direct Private Deals
Continue with the other chapters in this module.
Related questions
What should an investor verify first?
The actual fully diluted cap table, not a summary ownership percentage from a pitch deck.
Which documents matter most?
The company's complete capitalization schedule, including all outstanding convertible instruments.
What is the main downside to test?
Accepting a headline ownership number without reconciling it against the actual fully diluted cap table.
How should the final decision be made?
Confirm true post-money ownership only after reconciling the option pool and all convertible instruments.
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