SCHEDULE: Wellington Management Updates Acadia Healthcare Stake

Wellington Management Group LLP and its affiliates filed an amended Schedule 13G, reporting a 10.2% beneficial ownership in Acadia Healthcare Company, Inc. as of September 30, 2025.

Summary

• Wellington Management Group LLP, along with its affiliates Wellington Group Holdings LLP, Wellington Investment Advisors Holdings LLP, and Wellington Management Company LLP, filed an Amendment No. 13 to Schedule 13G.
• The group beneficially owns an aggregate of 9,423,548 shares of Acadia Healthcare Company, Inc. common stock, representing 10.2% of the class of securities as of September 30, 2025.
• The reporting persons hold shared voting power over 8,982,886 shares and shared dispositive power over 9,423,548 shares.
• The securities are held in the ordinary course of business and were not acquired or held for the purpose of changing or influencing control of the issuer.
• Vanguard Health Care Fund is identified as a client of Wellington Management's investment advisers that has the right to receive or direct the receipt of dividends or sale proceeds for more than five percent of this class of securities.

Sentiment

Score: 7

Explanation: The filing indicates a major institutional investor, Wellington Management Group LLP, maintains a significant 10.2% beneficial ownership in Acadia Healthcare, which can be interpreted as a positive signal of continued confidence. No negative information is presented.

Positives

• Wellington Management Group LLP, a significant institutional investor, continues to hold a substantial 10.2% stake in Acadia Healthcare, indicating ongoing confidence in the company.
• The filing confirms the securities are held in the ordinary course of business, not for activist purposes, suggesting a long-term investment horizon.
• The disclosure identifies Vanguard Health Care Fund as a client holding more than 5% of the shares, highlighting another major institutional investor's significant position.

Negatives

• No negative information regarding Acadia Healthcare's operations or financial performance is disclosed in this beneficial ownership report.

Risks

• This filing does not detail specific operational or financial risks related to Acadia Healthcare Company, Inc.

Future Outlook

This filing is a beneficial ownership report and does not provide any forward-looking statements or guidance regarding Acadia Healthcare Company, Inc.'s future performance or strategic plans.

Industry Context

This filing is a routine disclosure of institutional ownership and does not provide information to analyze broader industry trends or competitor performance within the healthcare sector.

Stakeholder Impact

• Shareholders: Confirms continued significant institutional investment by Wellington Management and its clients, including Vanguard Health Care Fund, potentially reinforcing market confidence.
• Investment Community: Provides transparency regarding major institutional holders' stakes and their investment intent.

Key Dates

Keywords

Acadia Healthcare, Wellington Management, Schedule 13G, beneficial ownership, institutional investor, common stock, healthcare services