Dynex Capital Inc (NYSE: DX) is a mortgage real estate investment trust (mREIT) that invests in agency mortgage-backed securities and other mortgage-related assets. The company earns income primarily from the net interest spread between the yield on its mortgage asset portfolio and the cost of borrowing used to finance those assets. The 10-K filed 2026-02-25 (accession 000082667526000017) for fiscal year ended 2025 confirms DX's status as a large accelerated filer operating under REIT structure, which requires distribution of the substantial majority of taxable income to shareholders. Because the filing excerpts provided contain only cover-page and administrative SEC form content, specific portfolio size, segment breakdowns, leverage ratios, and competitive positioning figures cannot be confirmed from these excerpts alone and are omitted here.

Revenue model

Net interest income from the spread between mortgage asset yields and short-term borrowing costs, supplemented by any realized and unrealized gains or losses on the investment portfolio. REIT structure requires distribution of taxable income as dividends.

Products and services

Agency mortgage-backed securities and mortgage-related investment assets held on a leveraged balance sheet.

Customers and end markets

Residential mortgage market. As a portfolio investor rather than an originator, DX's end market exposure is to U.S. residential mortgage credit and interest rate conditions.

Value-chain role

Mortgage asset investor and portfolio manager operating as a REIT capital markets intermediary in the U.S. secondary mortgage market.

Geographic exposure

United States, consistent with agency mortgage-backed securities focus. No international exposure is supported by the provided excerpts.

Source: SEC 10-K, filed 2026-02-25

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