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Mutua Madrileña buys a 10% stake in AI financing platform Alter5

Bolsa Digital 1 min read

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The story so far, in brief; the legwork, and the full article, stay with the original outlet.

Mutua Madrileña, chaired by Ignacio Garralda, has bought 10% of Alter5 through Mutua Ventures, the group's investment vehicle set up in 2022. Founded in 2021 by Salvador Carrillo and Miguel Solana, Alter5 applies artificial intelligence to capital markets and institutional investment, mainly financing small and mid-sized companies and renewable and infrastructure projects. The stake is meant to help it grow and expand.

Alter5 has originated and distributed more than €300 million in financing and capital since it started, and has had European Investment Fund backing since 2021. Andrés Sánchez, who leads Mutua's corporate venture capital, cited a model with no balance-sheet risk and positive profitability. Solana says banks, insurers and asset managers want more exposure to real assets and alternative financing. Mutua bought a piece of the plumbing.

Claude's summary in English of Bolsa Digital's article (published 7 Oct 2026).

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