Allina Health to be acquired by California-based Sutter Health pending approval.

Sutter Health announced plans to acquire Allina Health and said it intends to invest more than $2 billion in Minnesota and Wisconsin; Allina would retain its president, board and brand and the parties aim to close the deal by year-end pending regulatory approval.

Allina Health announced Tuesday that it plans to be acquired by northern California nonprofit Sutter Health. Sutter said it intends to invest more than $2 billion in Minnesota and Wisconsin. Allina would retain its president, board of directors and its brand under the plan. Sutter and Allina said they aim to close the deal by the end of the year pending regulatory approval. Key details: - If completed, the combined system would include about 18,000 physicians, 88,000 team members, 39 hospitals and roughly 400 care sites, serving about five million patients across California, Minnesota and Wisconsin. - Sutter said it intends to establish ambulatory and specialty care sites in Minnesota and to recruit more physicians. - The organization said it plans to use artificial intelligence to reduce administrative burdens. - SEIU Healthcare and the Doctors Council, which represent thousands of Allina workers, expressed concerns about what the deal means for employees, contracts and pension plans and asked Minnesota Attorney General Keith Ellison to review the proposal. - Sutter and Allina stated the transaction is subject to regulatory approval and that they plan to close it by the end of the year. Summary: If approved, the acquisition would create a large, multi‑state health system spanning California, Minnesota and Wisconsin and could change how care is organized in those regions. The parties have proposed new investments and operational changes, while labor representatives have raised questions about worker protections and charitable assets. The transaction remains subject to regulatory review and oversight, with a planned close by year‑end.