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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →An Agency REIT is a type of mortgage REIT strategy, not a separate category that eliminates risk. Agency-focused REITs principally invest in mortgage-backed securities whose payment obligations are guaranteed by a government agency or government-sponsored enterprise. That guarantee does not protect the securities’ market value or the REIT’s shares. To compare a mortgage REIT with an Agency REIT, look at its actual holdings, financing, rate exposure, hedges, liquidity, and dividend coverage.
How mortgage REITs and Agency REITs differ
“Mortgage REIT” describes a broad category of real estate investment trust that invests in mortgage-related assets. “Agency REIT” describes a strategy within that category: investing principally in Agency mortgage-backed securities (MBS). Issuers may hold mixed portfolios, so a company’s label alone does not tell you exactly what risks it has.
| Feature | Agency-focused mortgage REIT | Non-Agency mortgage strategy |
|---|---|---|
| Typical mortgage exposure | Principally Agency MBS, including residential or commercial securities, depending on the portfolio. | May include non-Agency MBS, mortgage loans, servicing rights, or other mortgage assets. |
| Who bears borrower credit losses? | Agency payment guarantees shift specified payment-obligation risk, but do not remove market-value or REIT-share risk. | Credit exposure depends on the assets and their structure; investors may bear direct or structured mortgage-credit risk. |
| Risks that remain | Interest-rate, mortgage-spread, prepayment, extension, financing, leverage, and liquidity risks. | Risks depend on holdings and can include mortgage-credit risk as well as rate, funding, prepayment, and liquidity risks. |
These are strategy descriptions, not guarantees about every company. For example, Two Harbors Investment Corp. describes a strategy that includes Agency RMBS and mortgage servicing rights in its second-quarter 2026 Form 10-Q. Review the latest portfolio breakdown and risk disclosures for the issuer you are evaluating.
What an Agency guarantee does—and does not—cover
An Agency guarantee concerns payment obligations on the covered securities. It is not a promise that an MBS will retain its market price, nor is it a guarantee on the mortgage REIT’s common shares or distributions. When market interest rates or mortgage spreads move, Agency MBS values can change even if scheduled payments remain supported by the guarantee. AGNC Investment Corp.’s 2025 Form 10-K and Invesco Mortgage Capital Inc.’s 2025 annual report describe these boundaries and the associated investment risks.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteFor a non-Agency holding, identify who absorbs borrower default losses and how the security’s structure allocates them. “Mortgage exposure” alone is not enough to tell you whether the REIT bears credit losses directly.
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Where mortgage REIT income comes from
A mortgage REIT’s earnings depend on the income from its mortgage assets relative to its financing costs, adjusted for hedges, prepayments, leverage, and other portfolio effects. A wider or narrower net interest spread can affect results, but reported income also needs to be read alongside realized and unrealized gains or losses, book-value changes, hedge costs, and dividend coverage.
Many mortgage REITs finance longer-lived mortgage assets with shorter-term or variable-rate borrowing. If borrowing costs rise faster than asset income, the spread can narrow. Leverage magnifies the effect of changes in asset values and financing conditions; it can also increase collateral demands when markets are stressed. Repo funding may need renewal, and lenders may require more collateral, potentially forcing a REIT to sell assets at an unfavorable time. Bain Capital Mortgage Finance, Inc.’s 2025 Form 10-K discusses repo-renewal and collateral-call risks.
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REIT tax treatment is conditional, not a dividend promise. AGNC’s 2025 Form 10-K describes its corporate tax treatment as dependent on satisfying REIT requirements, including distributing taxable income within statutory timelines. That does not mean a REIT must pay a fixed dividend, that a dividend is guaranteed, or that every distribution has the same tax character.
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There is no single “rates up” or “rates down” outcome for the sector. Short-term funding rates, long-term market rates, the yield curve, mortgage spreads, and borrower refinancing behavior can move differently. The effect depends on a REIT’s assets, liabilities, leverage, hedges, and assumptions about future prepayments.
Short-term rates and funding costs
When short-term borrowing costs rise faster than the income earned on mortgage assets, net interest income may contract. The amount and timing of the effect depend on the financing arrangement and how quickly asset income or hedges adjust.
Long-term rates, asset values, and duration
Long-term rate increases can reduce MBS market values. They can also make refinancing less attractive to borrowers, extending the expected life of mortgage cash flows. Longer expected cash flows can increase a portfolio’s exposure to further rate changes.
Falling mortgage rates and prepayments
When mortgage rates fall, borrowers may refinance and return principal sooner than expected. That can force a REIT to reinvest returned principal at lower yields. If an MBS was bought at a premium, faster prepayments can also reduce its yield because the premium is recovered over a shorter period.
The yield curve and mortgage spreads
The relationship between short- and long-term rates matters because mortgage assets and their funding may respond differently across the curve. Mortgage spreads can change independently of Treasury or other benchmark rates, affecting MBS prices even when the benchmark-rate move appears favorable. A rate hedge may address selected interest-rate exposures without protecting against mortgage-spread movements.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What hedges can and cannot do
Hedges are risk-management tools, not insurance. They can reduce particular exposures, but cannot eliminate basis, spread, prepayment, extension, or liquidity risk. AGNC reports in its 2025 Form 10-K that its hedges generally are not designed to protect book value against mortgage-spread risk and that it may retain some rate, prepayment, or extension exposure. For any issuer, read what the hedge is intended to offset and which risks remain, rather than treating a headline hedge ratio as a complete measure of protection.
How to compare two mortgage REITs
Use the same reporting period when comparing companies, and work through the portfolio and risk disclosures rather than relying on a sector label or dividend yield.
- Identify the collateral. Separate Agency residential or commercial MBS from non-Agency MBS, mortgage loans, servicing rights, and other mortgage assets. Determine who bears borrower default losses.
- Review leverage and funding. Check the amount and type of leverage, reliance on repo, funding tenor, counterparties, and the gap between asset cash flows and liabilities.
- Read rate-risk disclosures. Look for net duration, sensitivity to short- and long-term rate changes, yield-curve scenarios, and the purpose and limitations of hedges.
- Check mortgage optionality. Review assumptions about prepayments and extensions, premium or discount exposure, and how refinancing behavior changes expected cash flows.
- Assess liquidity and resilience. Examine cash, unencumbered assets, potential collateral demands, and the risks of forced sales or difficulty renewing financing.
- Evaluate income quality. Compare net interest spread, financing and hedge costs, realized and unrealized results, book-value changes, and dividend coverage over consistent periods. Do not infer dividend safety from yield alone.
How to interpret a company’s prepayment statistic
Two Harbors reported a three-month average CPR of 10.8% for its Agency RMBS for the quarter ended June 30, 2026, in its second-quarter 2026 Form 10-Q. The same filing reported 8.6% for the quarter ended March 31, 2026, 7.9% for December 31, 2025, 8.0% for September 30, 2025, and 8.4% for June 30, 2025. These are company- and portfolio-specific observations, not a market-wide benchmark or a forecast. A CPR figure can help track prepayment experience, but it does not by itself establish whether the portfolio’s income or dividend is sustainable.
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