Participating preferred

Participating preferred stacks two payouts on top of each other at an exit: first, the liquidation preference (its investment times the agreed multiple), and second, a pro-rata share of whatever value remains after all preferences are paid, split alongside common stock as if the participating shares were common too. Non-participating preferred only ever gets one or the other — its preference, or its as-converted common value — never both.

Why it matters so much at good outcomes

At a low exit, the distinction barely matters — there's rarely much residual value left for anyone to 'participate' in. At a strong exit, it matters enormously: participating preferred captures upside that non-participating preferred would have had to give up its preference to reach. This is why participating preferred is considered one of the more founder-unfriendly terms, and why many funds don't ask for it outside of down markets or competitive distressed deals.

Participation caps

A participation cap limits total proceeds to a defined multiple of invested capital (e.g., 2x) — once a capped participating series has collected its preference plus enough residual to hit the cap, it stops collecting further residual and the rest flows to the remaining participants. An uncapped participating series keeps collecting residual pro-rata no matter how large the exit gets.

How it plays against common and other preferred

In the residual-distribution step, participating preferred's shares are added into the same pro-rata pool as common stock and the option pool — everyone splits what's left by share count. If a participation cap is hit partway through, the capped series is 'locked' at its cap and the remaining residual is redistributed among the still-open participants. Foundily's waterfall engine runs this lock-and-redistribute process automatically; see /calculators/exit-waterfall.