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Birmingham Today
By the People, for the People
OneStream Acquired by Hg in $6.4B Cash Deal
Shareholders get $24 per share as OneStream leaves Nasdaq, with CEO Tom Shea staying on and Hg joining General Atlantic and Tidemark as owners.
Apr. 1, 2026 at 2:37pm
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OneStream, the leading enterprise Finance management platform, has been acquired by Hg, a leading investor in European and transatlantic technology and services businesses, in an all-cash transaction valued at approximately $6.4 billion in equity value. The transaction was approved by OneStream shareholders and obtained required regulatory approvals. OneStream's Class A common stock has ceased trading on the NASDAQ, and the company is now privately held, with Tom Shea continuing to serve as CEO and the current OneStream leadership team remaining in place.
Why it matters
The acquisition of OneStream by Hg, with additional investment from General Atlantic and Tidemark, signals a significant shift in the finance software market. OneStream's powerful Finance AI differentiation and its position as a key player in the Finance AI sector make it an attractive target for investors looking to capitalize on the growing demand for AI-powered financial management solutions.
The details
The all-cash transaction values OneStream at approximately $6.4 billion in equity value. As a result of the transaction, OneStream shareholders are entitled to receive $24.00 per share in cash. The transaction was approved by OneStream shareholders and obtained required regulatory approvals. Hg, General Atlantic, and Tidemark will now serve as the owners of OneStream, with the current leadership team, including CEO Tom Shea, remaining in place.
- The transaction was completed on April 1, 2026.
- OneStream's Class A common stock ceased trading on the NASDAQ as a result of the acquisition.
The players
OneStream
The leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core Finance and operational functions.
Hg
A leading investor in European and transatlantic technology and services businesses, with over $110 billion in assets under management and a strong presence across North America.
General Atlantic
A leading global investor with more than four and a half decades of experience providing capital and strategic support for over 830 companies.
Tidemark
A growth equity firm purpose-built to help companies win and scale, powered by a community of investors, entrepreneurs, and operators.
Tom Shea
The founder and CEO of OneStream, who will continue to serve as CEO after the acquisition.
What they’re saying
“Following an exceptional year of growth, including more than doubling our AI customers year over year in 2025, today's news marks an exciting next step for OneStream. We believe the leaders in Finance AI will be defined over the next 24 to 36 months, and we are making deliberate, long-term decisions to lead at this critical inflection point.”
— Tom Shea, Founder and CEO of OneStream
“We see a tremendous opportunity with OneStream and their vision to be the operating system for Modern Finance. There is a fundamental shift in how companies must deliver value in the age of AI. OneStream's powerful Finance AI differentiation brings AI and Agentic AI solutions to a company's contextualized business logic, making it a key player in the Finance AI sector.”
— Joe Jefferies, Partner at Hg
“We're excited to be a part of OneStream's next phase of growth through this acquisition. We invest in category leaders, with strong platforms and long-term growth potential. OneStream continues to lead Finance AI and is uniquely positioned for tremendous growth in the future.”
— Alan Cline, Partner and Head of North America at Hg
What’s next
The transaction was approved by OneStream shareholders and obtained required regulatory approvals. OneStream's Class A common stock has ceased trading on the NASDAQ, and the company is now privately held, with Tom Shea continuing to serve as CEO and the current OneStream leadership team remaining in place.
The takeaway
The acquisition of OneStream by Hg, with additional investment from General Atlantic and Tidemark, solidifies OneStream's position as a leading player in the finance software market. The transaction highlights the growing importance of AI-powered financial management solutions and the potential for continued innovation and growth in this space.
