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Bankinter Investment and Plenium Partners integrate their management companies and acquire a significant stake in Access Capital Partners - Capital-Riesgo.es - Capital Riesgo

Reported by Capital-riesgo
Mar 29, 2026· 2 min read
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Key Takeaways
  • • Bankinter Investment and Plenium Partners have completed integration of their management companies, creating a strengthened platform for direct alternative investment across Iberia and expanding pan-European capabilities.
  • • Bankinter Investment has acquired a significant stake in Access Capital Partners, a European alternative asset manager with specialization in infrastructure and private equity; the acquisition represents over €14 billion in investor-committed capital under the combined platform.
  • • Plenium Partners' parent company will take a 27.5% stake in Bankinter Investment as part of the transaction structure, aligning the two firms operationally while maintaining strategic partnership dynamics.
  • • Plenium Partners brings 19 years of specialized experience in renewable energy (positioning as one of Spain's largest independent operators), circular economy, and social infrastructure including student residences—sectors complementary to Bankinter's existing capabilities.
  • • The dual transaction consolidates Bankinter Investment's position as a leading alternative investment platform in Southern Europe while accelerating its international expansion and strengthening sector diversification across infrastructure, private equity, and renewable energy.
Summary
Bankinter Investment has announced the completion of two major strategic transactions designed to strengthen its position as a premier alternative investment manager in Iberia while establishing a stronger pan-European footprint. The first involves the integration of Bankinter Investment SGIIC with Plenium Partners SGEIC, a top-tier independent Spanish management firm with a 19-year track record. The second comprises the acquisition of a significant stake in Access Capital Partners, a recognized European manager specializing in infrastructure and private equity assets.

The integration with Plenium Partners represents a consolidation of complementary expertise and market positions. Plenium Partners has established significant market recognition through its specialization in renewable energy, where it operates as one of Spain's largest independent operators, alongside capabilities in circular economy and social infrastructure development, including student residences. As part of the transaction structure, Plenium Partners' parent company will acquire a 27.5% stake in Bankinter Investment, creating aligned ownership and operational integration between the two firms.

The acquisition of Access Capital Partners adds substantial scale and European reach to the combined platform. Access Capital Partners, which has served as a partner to Bankinter Investment since 2019, represents over €14 billion in investor-committed capital and brings recognized expertise in alternative assets across the European market. This acquisition accelerates Bankinter Investment's pan-European expansion strategy while strengthening its direct investment model across infrastructure and private equity sectors.

Collectively, these transactions position Bankinter Investment as a leading direct investment platform in Southern Europe with reinforced capacity, enhanced sector diversification, and expanded geographic reach. The enlarged platform benefits from Plenium Partners' established track record in renewable energy and social infrastructure investment alongside Access Capital Partners' European infrastructure and private equity credentials, creating a more comprehensive alternative asset management offering to institutional investors.

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Sources

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Capital-riesgo Bankinter Investment and Plenium Partners integrate their management companies and acquire a significant stake in Access Capital Partners - Capital-Riesgo.es - Capital Riesgo