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KBRA Assigns Preliminary Ratings to J.P. Morgan Mortgage Trust 2025-HE3 (JPMMT 2025-HE3)

21 Nov 2025   |   New York

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KBRA assigns preliminary ratings to 6 classes of Mortgage Participation Pass-Through Certificates from J.P. Morgan Mortgage Trust 2025-HE3 (JPMMT 2025-HE3).

J.P. Morgan Mortgage Trust 2025-HE3 (JPMMT 2025-HE3) is a $600.0 million RMBS transaction sponsored by JPMorgan Chase Bank, National Association (JPMCB) and Mercury-Redstone Holdings LLC consisting entirely of first and second lien home equity line of credit (HELOC) loans. The underlying pool is seasoned approximately seven months and comprises of 5,372 loans, with United Wholesale Mortgage, LLC (UWM; 64.7%) and Better Mortgage Corporation (Better; 21.5%) representing the largest contributing originators. The HELOCs are interest-only (IO) adjustable-rate mortgages (ARMs), with IO terms of mostly ten years (91.5%). Most of the loans feature 20-year Amortization Terms, and HELOC initial draw windows of two (0.7%), three (89.1%), five (9.7%) or ten (0.5%) years. As of the October 31, 2025 cut-off date, the borrowers in the pool have drawn $670.3 million from a combined credit limit of $796.6 million for an aggregate utilization rate of 84.1%. The $600.0 million unpaid principal balance in the transaction represents the participation percentage allocated to JPMMT 2025-HE3 from the $670.3 million total drawn amount as of the cut-off date; participation rate equals 89.5%.

KBRA’s rating approach incorporated loan-level analysis of the mortgage pool through its Residential Asset Loss Model (REALM), an examination of the results from third-party loan file due diligence, cash flow modeling analysis of the transaction’s payment structure, reviews of key transaction parties and an assessment of the transaction’s legal structure and documentation. This analysis is further described in our U.S. RMBS Rating Methodology.

To access ratings and relevant documents, click here.

Click here to view the report.

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Disclosures

Further information on key credit considerations, sensitivity analyses that consider what factors can affect these credit ratings and how they could lead to an upgrade or a downgrade, and ESG factors (where they are a key driver behind the change to the credit rating or rating outlook) can be found in the full rating report referenced above.

A description of all substantially material sources that were used to prepare the credit rating and information on the methodology(ies) (inclusive of any material models and sensitivity analyses of the relevant key rating assumptions, as applicable) used in determining the credit rating is available in the Information Disclosure Form(s) located here.

Information on the meaning of each rating category can be located here.

Further disclosures relating to this rating action are available in the Information Disclosure Form(s) referenced above. Additional information regarding KBRA policies, methodologies, rating scales and disclosures are available at www.kbra.com.

About KBRA

Kroll Bond Rating Agency, LLC (KBRA), one of the major credit rating agencies (CRA), is a full-service CRA registered with the U.S. Securities and Exchange Commission as an NRSRO. Kroll Bond Rating Agency Europe Limited is registered as a CRA with the European Securities and Markets Authority. Kroll Bond Rating Agency UK Limited is registered as a CRA with the UK Financial Conduct Authority. In addition, KBRA is designated as a Designated Rating Organization (DRO) by the Ontario Securities Commission for issuers of asset-backed securities to file a short form prospectus or shelf prospectus. KBRA is also recognized as a Qualified Rating Agency by Taiwan’s Financial Supervisory Commission and is recognized by the National Association of Insurance Commissioners as a Credit Rating Provider (CRP) in the U.S.

Doc ID: 1012448