
Acadia Healthcare Company, Inc.
Acadia Healthcare Company, Inc. (ACHC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ACHC · as of Mar 31, 2025
Ownership Breakdown
308
Institutional Holders
▼ 19 vs Q4
$3.04B
Total Inst. Value
▼ $944.17M vs Q4
91.97M
Shares Outstanding
freeFloat 92.57%
100.22M
13F Shares Held
▼ 163,140 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ACHC largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
WELLINGTON MANAGEMENT GROUP LLP services-specialty outpatient facilities, nec | 10.87M | 11.86% | 11.86% | $329.66B | May 13, 2025 | ▼ 862.0K |
VANGUARD GROUP INC services-specialty outpatient facilities, nec | 8.80M | 9.60% | 9.60% | $266.87B | May 9, 2025 | ▼ 78.7K |
BLACKROCK, INC. services-specialty outpatient facilities, nec | 8.36M | 9.12% | 9.12% | $253.51B | May 2, 2025 | ▼ 117.1K |
FMR LLC services-specialty outpatient facilities, nec | 7.12M | 7.77% | 7.77% | $215.84B | May 12, 2025 | ▲ 888.1K |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC services-specialty outpatient facilities, nec | 4.40M | 4.80% | 4.80% | $133.36B | May 9, 2025 | ▲ 770.5K |
SACHEM HEAD CAPITAL MANAGEMENT LP services-specialty outpatient facilities, nec | 3.63M | 3.97% | 3.97% | $110.21B | May 15, 2025 | ▲ 2.31M |
STATE STREET CORP services-specialty outpatient facilities, nec | 3.00M | 3.27% | 3.27% | $90.96B | May 15, 2025 | ▲ 46.3K |
DIMENSIONAL FUND ADVISORS LP services-specialty outpatient facilities, nec | 2.93M | 3.20% | 3.20% | $88.96B | May 13, 2025 | ▼ 248.6K |
HAWK RIDGE CAPITAL MANAGEMENT LP services-specialty outpatient facilities, nec | 2.47M | 2.70% | 2.70% | $74.99B | May 15, 2025 | ▲ 2.01M |
CITIGROUP INC services-specialty outpatient facilities, nec | 2.38M | 2.59% | 2.59% | $72.05B | May 12, 2025 | ▲ 2.33M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
30
Increased
+15.37M shares6
New Positions
first time holders13
Decreased
−7.64M shares0
Sold Out
fully exitedNet shares change (top 50)
+7.73M
+15.37M / −7.64M
Net new holders
+23
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ACHC insider trading · insider activity
Source: SEC Form 4
15
Buy transactions
1
Sell transactions
15.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Fucci Michael director | May 6, 2026 | Award | 6,331 | — | — | 28.2K | Form 4 ↗ |
KELLY RALPH DAVID director | May 6, 2026 | Award | 6,331 | — | — | 26.4K | Form 4 ↗ |
Gregg Vicky B director | May 6, 2026 | Award | 6,331 | — | — | 42.6K | Form 4 ↗ |
Bernhard Jason director | May 6, 2026 | Award | 5,124 | — | — | 45.4K | Form 4 ↗ |
Bernhard Jason director | May 6, 2026 | Award | 6,331 | — | — | 40.2K | Form 4 ↗ |
GRIECO WILLIAM director | May 6, 2026 | Award | 6,331 | — | — | 96.2K | Form 4 ↗ |
Cancelmi Daniel J director | May 6, 2026 | Award | 6,331 | — | — | 13.0K | Form 4 ↗ |
Harris Patrice A director | May 6, 2026 | Award | 6,331 | — | — | 17.9K | Form 4 ↗ |
WAUD REEVE B director | May 6, 2026 | Award | 9,576 | — | — | 75.9K | Form 4 ↗ |
WAUD REEVE B director | May 6, 2026 | Award | 6,331 | — | — | 66.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Acadia Healthcare Company, Inc. (ACHC) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 7.43%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Acadia Healthcare Company, Inc. is WELLINGTON MANAGEMENT GROUP LLP, holding approximately 10.87 million shares — equal to 11.86% of outstanding shares — as of March 31, 2025.
A total of 308 institutional investors currently hold ACHC stock, with a combined institutional value of approximately $3.04 billion as of the most recent 13F filing period.
Frequently asked questions
ACHC ownershipAcadia Healthcare Company, Inc. (ACHC) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is WELLINGTON MANAGEMENT GROUP LLP with a 11.86% stake. Company insiders hold 7.43%. Data sourced from SEC Form 13F as of March 31, 2025.