Abrams Bison Investments Boosts Stake in Acadia Healthcare

Investment firm increases ownership in behavioral health provider by 22.3% in Q3

Mar. 15, 2026 at 7:22am

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Abrams Bison Investments LLC has increased its stake in Acadia Healthcare Company, Inc. (NASDAQ:ACHC) by 22.3%, adding 800,000 shares in the third quarter. The investment firm now owns 4,380,000 shares, or approximately 4.75% of the behavioral healthcare provider's outstanding stock.

Why it matters

Acadia Healthcare is a leading operator of inpatient psychiatric hospitals, residential treatment centers, and outpatient clinics across the United States. The increased investment by Abrams Bison, a prominent hedge fund, suggests confidence in the company's growth prospects and market positioning within the behavioral health industry.

The details

According to a recent 13F filing, Abrams Bison Investments lifted its holdings in Acadia Healthcare by 22.3% in the third quarter, adding 800,000 shares. The investment firm now owns a total of 4,380,000 shares, making Acadia Healthcare its 5th largest holding and accounting for 8.5% of its portfolio.

  • Abrams Bison Investments increased its stake in Acadia Healthcare during the third quarter of 2026.

The players

Abrams Bison Investments LLC

A prominent hedge fund that has increased its ownership stake in Acadia Healthcare to 4.75% of the company's outstanding shares.

Acadia Healthcare Company, Inc.

A leading provider of behavioral healthcare services, operating a network of inpatient psychiatric hospitals, residential treatment centers, and outpatient clinics across the United States.

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The takeaway

The increased investment by Abrams Bison Investments in Acadia Healthcare suggests the hedge fund sees strong growth potential in the behavioral health provider, which operates in a rapidly evolving industry facing rising demand for mental health and addiction treatment services.