Glossary/Private markets

Private Equity

Also known as PE, Private ownership capital

Private equity is ownership capital invested in companies outside public markets, commonly through closed-end funds pursuing buyouts, growth investments, or special situations.

Editorially reviewed 2026-07-31

Why private equity matters

Active ownership can create value over long horizons, but capital is locked, valuations are estimated, fees are layered, and outcomes vary widely by manager.

How it is applied

Investors evaluate strategy, team, sourcing, operating capability, purchase discipline, leverage, portfolio construction, governance, exits, fees, and cash flows. Private equity invests in privately held businesses or takes public companies private, often through buyout, growth, venture, or special-situations strategies. Due diligence covers sourcing, entry valuation, leverage, governance, operating plan, cash flows, exit routes, fund terms, team attribution, and alignment between general and limited partners.

Portfolio example

A fund acquires ten companies, improves some and writes off others. Portfolio return depends on total proceeds and timing, not selected success stories. A buyout fund acquires a company for 10 times EBITDA using 50% debt. Over five years EBITDA grows, debt is repaid, and the company sells at 11 times. Return comes from operating growth, deleveraging, and multiple change, while fees, interest, and dilution reduce investor proceeds.

How to interpret it

IRR should be read with multiples and public-market comparisons. Interim marks are not realized cash. Private ownership can support long-term operational change and concentrated governance. Reported return is commonly measured using IRR and multiples, which answer different questions. Manager dispersion is wide, and favorable marks before exit are weaker evidence than cash distributed to investors.

Limitations and common misconceptions

Illiquidity, leverage, J-curve, vintage cycles, subscription lines, and survivorship bias complicate evaluation. Capital is illiquid, valuations are infrequent, leverage can amplify loss, and exits depend on markets. Subscription lines can alter reported IRR. Fees and carried interest are layered, while databases suffer survivorship and self-selection. A private label does not remove public-market and economic factor exposure. Research should show committed, drawn, distributed, and remaining value; vintage; realized proportion; and public-market equivalent where available. Avoid comparing smoothed quarterly private marks directly with daily public volatility. Sources should distinguish manager-reported valuation from independently observed transactions. Team-level attribution deserves scrutiny because a firm’s historical deals may have been led by professionals who have departed. Portfolio-company operating metrics should be reconciled with fund-level cash flows. Co-investments and continuation vehicles can change economics and conflicts. Investors also need concentration by company, sector, geography, financing source, and expected exit year.

Sources and further reading