Hg Acquires OneStream for $6.4 Billion

January 6, 2026

OneStream, an enterprise finance management platform, entered into a definitive agreement to be acquired by Hg in an all-cash deal valued at approximately $6.4 billion in equity value. Hg will become the majority voting shareholder, with General Atlantic and Tidemark investing as minority shareholders; the transaction is expected to close in the first half of 2026.

Buyers
Hg, General Atlantic, Tidemark
Targets
OneStream, Inc.
Industry
Cloud & SaaS
Location
Michigan, United States
Transaction Type
Buyout

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