Advent International, a privately owned firm headquartered in the US, was founded in 1984 and employs approximately 970 individuals. It operates as venture capital and private equity principals, investing in sectors including technology, media and telecoms, financial services, and healthcare.
On June 26, 2026, Advent International acquired a stake in elderly care operator Japan Well-being for 1.9 trillion Won. This acquisition followed an agreement announced on June 25, when Asia-focused buyout firm MBK Partners stated it would sell Japan Well-being to the U.S. private equity firm. Earlier reports on June 25 estimated the deal for the elderly care service provider at approximately 200 billion yen ($1.24 billion) including debt, though the initial announcement had not specified a sum.
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