Citigroup Increases Stake in Acadia Healthcare

Investment firm boosts position in mental health and addiction treatment provider

Feb. 27, 2026 at 8:36am

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Citigroup Inc. has increased its stake in Acadia Healthcare Company, Inc. (NASDAQ:ACHC) by 7.6% during the third quarter, according to a recent SEC filing. The institutional investor now owns 793,596 shares of the company's stock, valued at $19.65 million, representing 0.86% ownership of Acadia Healthcare.

Why it matters

Acadia Healthcare is a leading provider of mental health and addiction treatment services across the United States. Citigroup's increased investment signals confidence in the company's growth potential as demand for behavioral healthcare services continues to rise.

The details

Citigroup added 56,109 shares to its existing position in Acadia Healthcare during the third quarter. The investment firm now owns 793,596 shares, or 0.86% of the company's outstanding stock. Other major institutional investors that have increased their stakes in Acadia Healthcare recently include Principal Financial Group Inc. and First Citizens Bank & Trust Co.

  • Citigroup increased its position in Acadia Healthcare during the third quarter of 2026.

The players

Citigroup Inc.

A multinational investment bank and financial services corporation headquartered in New York City.

Acadia Healthcare Company, Inc.

A publicly traded provider of behavioral healthcare services headquartered in Franklin, Tennessee.

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The takeaway

Citigroup's increased stake in Acadia Healthcare reflects the investment firm's confidence in the company's ability to capitalize on the growing demand for mental health and addiction treatment services across the United States.