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Free cash flow (FCF) margin

Free-cash-flow margin is the share of revenue a company converts into free cash flow — the cash left after operating costs and capital spending.

Free cash flow (FCF) is the cash a company generates from operations minus the capital expenditures needed to maintain and grow the business. FCF margin expresses that free cash flow as a percentage of revenue, so a 25% FCF margin means the company turns $0.25 of every revenue dollar into free cash.

FCF margin is valued because free cash flow is real, spendable money — it funds dividends, buybacks, debt repayment, and reinvestment without needing outside financing. Unlike accounting profit, it is harder to flatter with non-cash adjustments.

Capital-light businesses (software, brands) tend to show high FCF margins; capital-intensive ones (utilities, some industrials) show lower ones, and the figure can be null where a company does not report the underlying data. stocks-llm shows it as delayed data with its as-of date.

Highest free-cash-flow-margin companies in the catalog

CompanyFCF margin
1ANTERIX INC (ATEX)+84.3%
2ELEMENTAL ROYALTY CORP (ELE)+70.6%
3Crown Castle (CCI)+67.4%
4Verisign (VRSN)+64.5%
5CME Group (CME)+64.3%

Live from the catalog, last updated 2026-10-20 — delayed data from SEC EDGAR + market data.

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Related terms

  • Free cash flow (FCF) — Free cash flow is the cash a company has left after running and reinvesting in its business — real, spendable money available to pay down debt, dividends, and buybacks.
  • Debt-to-equity ratio — The debt-to-equity ratio compares how much of a company is financed with borrowed money versus shareholders’ equity — a core measure of financial leverage.
  • Current ratio — The current ratio compares a company’s short-term assets to its short-term liabilities — a quick check on whether it can cover its near-term bills.
  • Shares outstanding & float — Shares outstanding is the total number of a company’s shares in existence; the float is the portion actually available for the public to trade.
  • Share buyback (stock repurchase) — A share buyback is a company using its cash to repurchase its own shares, reducing the share count and returning capital to remaining shareholders.

See more terms in the stocks-llm glossary.

Informational only — NOT financial advice. This is an educational definition, not a recommendation to buy or sell anything. Metrics on stocks-llm are delayed data and may be missing or stale. Always verify information independently and consult a qualified financial professional before making any investment decision.