Equity

Equity is ownership value — shareholders’ residual claim after debts are paid.

How investors use it

Understand that equity is the riskiest slice of a capital structure and the one that benefits most from growth. Size equity positions for the long run, because the residual claim only pays off over time, and only if the business survives and thrives.

Worked example

A real-world scenario

A homeowner with a $400,000 house and a $250,000 mortgage has $150,000 of home equity. If house prices crash 40%, the home is worth $240,000 — less than the mortgage — and the equity is gone, even though the family still lives there. The same happens to companies: their equity is the cushion between asset value and debt, and it evaporates first in a downturn. The scenario is why equity is called the residual claim: it exists only when assets exceed debts, and it absorbs all the downside before creditors feel a thing.

Common confusion

Equity can be zero or negative in distress; it is the last slice paid.

Why it matters

It is what stockholders actually own once everyone else is paid.

Key takeaway

Equity is the residual claim: what owners keep after every creditor is paid, and it is the riskiest, last-paid, highest-rewarding slice of a capital structure. It can be wiped out when assets fall below debts, which is why it earns a risk premium, and it benefits from all the growth beyond what lenders are owed. The same logic runs from your home to the stock market. Size equity positions for the long run, because the residual claim only pays off if the business survives and thrives.

Definitions reviewed by the Investing Glossary editorial team.