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Equity vs. Mortgage REITs (Deep Dive)

A deeper look at how equity and mortgage REITs differ in financing, leverage, valuation, and dividend behavior

Beyond the Basics

The core distinction between equity REITs and mortgage REITs, often called mREITs, is covered in equity vs. mortgage REITs: equity REITs own physical property and earn rental income, while mortgage REITs own or originate real estate debt and earn interest income. This guide goes a level deeper into how each model is actually financed, valued, and exposed to risk, since those mechanics explain much of the difference in how the two types of REITs behave.

How Equity REITs Generate Cash Flow

An equity REIT's income statement centers on rental revenue, minus property operating expenses, minus interest on its own debt. Growth comes from raising rents, keeping buildings leased, acquiring additional properties, or developing new ones. Performance is typically measured with FFO and AFFO rather than net income, and individual properties are often discussed in terms of cap rates.

How Mortgage REITs Generate Cash Flow

A mortgage REIT does not own buildings; it owns pools of mortgages, mortgage-backed securities (MBS), or both, and sometimes originates commercial or residential loans directly. Its core profit driver is net interest margin: the spread between what it earns on those mortgage assets and what it pays to finance them. Many mREITs hold "agency" MBS, which carry a guarantee from a government-sponsored entity, alongside or instead of "non-agency" (private-label) MBS or direct commercial loans, which carry more direct credit risk since they lack that guarantee. Because the spread on any individual mortgage asset is usually thin, mREITs typically use significant leverage to make the strategy generate a meaningful return, most often funded through short-term repurchase agreements, or repo, in the money markets.

Funding Structure: Repo Risk vs. Property Debt

This financing structure is one of the sharpest differences between the two models. An equity REIT typically finances properties with mortgage debt or unsecured corporate bonds that roughly match the long-lived nature of its real estate. A mortgage REIT, by contrast, often funds long-duration mortgage assets with very short-term repo borrowing that must be rolled over frequently, creating funding risk if lenders pull back or demand more collateral during periods of market stress. Many mREITs use interest-rate swaps and other derivatives specifically to hedge this mismatch between the duration of their assets and their funding. See REIT balance sheets and leverage for how debt is evaluated across REITs generally, keeping in mind that mREIT leverage is structured quite differently from an equity REIT's property-level mortgages.

Valuation: NAV and Cap Rates vs. Book Value and Spreads

Equity REITs are commonly valued using net asset value, informed by implied cap rates and a multiple of FFO. Mortgage REITs are more often evaluated relative to book value per share, since their assets are financial instruments that are marked to market more directly, and relative to the trend in their net interest margin.

A mortgage REIT's book value can move with interest rates and credit spreads even when nothing has changed operationally, which is a different dynamic than a property revaluation at an equity REIT.

Risk and Dividend Behavior

Equity REIT risk centers on occupancy, tenant credit, and property values within specific sectors; compare exposure on the sector overview. Mortgage REIT risk centers on interest-rate moves, prepayment speeds (how quickly underlying mortgages are paid off), credit losses on non-agency holdings, and the availability of repo funding. Because net interest margin can swing with rates and funding costs, mREIT earnings and dividends have historically tended to be more variable than those of many equity REITs; see dividend safety for how to evaluate payout durability in either type.

Both Are Still REITs

Despite these differences in business model, financing, and valuation, both equity and mortgage REITs must satisfy the same underlying REIT qualification rules, including the requirement to distribute at least 90% of taxable income, and both trade on public exchanges under the same disclosure requirements. Investors can browse mortgage REITs specifically on the mortgage REIT list alongside the broader REIT profiles directory.

See it in the data: Browse mortgage REITs → Browse all REIT profiles →

Research and education only — nothing here is investment advice. Figures such as the 90% distribution rule are general and can change; always confirm against a company's filings.