Acadia Healthcare Company Inc
Ownership
Ownership Structure
Who owns Acadia Healthcare Company Inc (ACHC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.3% of the shares are freely tradable; institutional investors hold 146.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.55 | 11,686,389 | +2.5 | 03/31/2026 |
| FMR Inc | 7.38 | 6,867,678 | +26.8 | 03/31/2026 |
| Wellington Management Company LLP | 6.15 | 5,726,246 | -36.9 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.44 | 5,061,438 | +0.0 | 03/31/2026 |
| Carronade Capital Management LP | 5.12 | 4,762,635 | +103.8 | 06/30/2026 |
| Deerfield Management Co | 4.86 | 4,520,000 | +0.0 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 4.82 | 4,491,067 | +193.8 | 03/31/2026 |
| Abrams Bison Investments, LLC | 4.47 | 4,165,000 | -4.9 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.46 | 4,154,801 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.02 | 5,605,954 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Farley Brian | EVP, CLAO and Secretary | 135,982 | 3,916,282 $ | Jul 26, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 26, 2026 | Farley Brian | EVP, CLAO and Secretary | Other | 1,770 | 34.51 | 61,083 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.