Hg agrees to buy OneStream in a $6.4 billion all-cash take-private deal

What happened

* Private equity firm Hg agreed to acquire OneStream in an all-cash deal valuing the company at about $6.4 billion.

* OneStream shareholders are set to receive $24 per share, a 31% premium to the prior close, and the deal is expected to close in the first half of 2026.

* General Atlantic and Tidemark are expected to become minority investors, and J.P. Morgan advised OneStream.

Why it matters for markets

* It is a big vote of confidence in CFO and finance transformation software, and it can re-rate the “takeout value” of similar enterprise software names.

* OneStream has been pushing deeper into AI and tighter Microsoft integration, so the deal also highlights the AI plus cloud value proposition for office-o ...