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Institutional ownership intelligence
Schedule 13G/A

ACHC Schedule 13G/A filing by T. Rowe Price Investment Management

T. Rowe Price Investment Management reported beneficial ownership of 949.6K shares, representing 12% of ACADIA HEALTHCARE CO INC in this filing.

FiledMay 14, 2025
Ownership dateMar 31, 2025
Reported shares949.6K
Reported ownership12%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 946.3K
Shared voting power 949.6K
Sole dispositive power 949.6K
Shared dispositive power 949.6K
Compared with the prior filing

How the reported position changed

This compares the current filing with the previous tracked Schedule 13 filing from the same reporting CIK for ACHC. A change between filings does not by itself establish when shares were bought or sold.

Previous filingNov 14, 2024
Reported share change-5,172,326
Ownership percentage change+5.4 pts
Previous filingThis filing
Reported shares6.1M949.6K
Reported ownership6.6%12%
Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date$25.72as of May 14, 2025
Latest tracked price$32.57as of Aug 5, 2026
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
T. Rowe Price Investment Management
CIK
CIK0001897612
Accession
0001897612-25-000201
Form
Schedule 13G/A
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.