Radian Group (RDN) concentration risks

The company's concentration profile is defined by two linked disclosures that together describe a single-segment, single-counterparty-type business. As of December 31, 2025, the company had one reportable business segment, Mortgage Insurance — a high-share structural exposure meaning the entire enterprise is concentrated in one product vertical. There is no revenue diversification across segments to buffer against conditions that are adverse specifically to private mortgage insurance. Layered on this is a moderate-share counterparty concentration: the GSEs are the primary beneficiaries of the company's mortgage insurance, a mixed-character exposure whose character is partly structural (the GSE system is the dominant channel for conforming mortgages) and partly dependency (the terms under which the company interacts with GSE seller/servicer requirements can change through regulatory action or GSE policy updates). GSE eligibility standards, capital requirement rules for approved mortgage insurers, and any structural reform of the GSE system would flow directly through the company's core business. The two exposures are not independent — the Mortgage Insurance segment's primary end-market is the GSE-eligible conventional mortgage space, making them two descriptions of the same fundamental concentration. There is no customer, supplier, or geographic diversity to offset it. On balance, GSE policy and the health of the U.S. residential mortgage market are the most consequential tracking variables, with both disclosures pointing to the same underlying risk channel.

For the engine’s reasoning on RDN’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.

Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.