$ACHC

$31.34 -$0.17 (0.54%) Close

$ACHC Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 93.1M shares outstanding

Who owns ACHC?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 62.0%

BlackRock, Inc. 16.1% · Wellington Management Group LLP 6.2%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

312

+17 vs last qtr

Net shares bought

+2.0M

by institutions in Q2 2026

New / sold out

67 / 50

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +3.3M
Farallon Capital Management, L.L.C. +2.5M

Biggest sellers in Q2 2026

Khrom Capital Management LLC −4.5M
Wellington Management Group LLP −3.3M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Acadia Healthcare Company, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+5.5%

+0.60% a year

Each share's claim on the business

−5.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$50M vs $282M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years57% 3–5 years2% 1–3 years11% Under 1 year30%

Quarterly turnover

21.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ACHC on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	15.0M	16.07%	+3.3M (+28.0%)	≤2021	0.0%
Shares held by quarter Peak holding15.0M (Q2'26) Change over 8 quarters+6.9M Share of the company16.070% BlackRock, Inc.'s full portfolio →
WM Wellington Management Group LLP	5.7M	6.15%	−3.3M (−36.9%)	≤2021	0.0%
Shares held by quarter Peak holding11.8M (Q4'25) Change over 8 quarters−5.9M Share of the company6.150% Wellington Management Group LLP's full portfolio →

BlackRock, Inc.

15.0M

% of company

16.07%

Change vs last qtr

+3.3M (+28.0%)

Held since

≤2021

Wellington Management Group LLP

5.7M

% of company

6.15%

Change vs last qtr

−3.3M (−36.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Acadia Healthcare Company, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ACHC on Form N-PORT; together they hold 54.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$164M	5.5M	5.95%	0.15%	June 30, 2026
VH Vanguard Health Care Fund Vanguard Specialized Funds	$130M	5.0M	5.39%	0.35%	April 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$164M

% of company

5.95%

% of the fund

0.15%

As of

June 30, 2026

Vanguard Health Care Fund

Vanguard Specialized Funds

Position value

$130M

% of company

5.39%

% of the fund

0.35%

As of

April 30, 2026

23 more funds behind a free account

See every fund holding Acadia Healthcare Company, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
WR Waud Reeve B Insider	728.9K	0.78%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.780% Waud Reeve B's insider activity →
HC Hunter Christopher H. Insider	258.5K	0.28%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.280% Hunter Christopher H.'s insider activity →

Waud Reeve B

Insider

728.9K

% of company

0.78%

Change vs last qtr

—

Held since

—

Hunter Christopher H.

Insider

258.5K

% of company

0.28%

Change vs last qtr

—

Held since

—

16 more holders behind a free account

See every insider and 5%+ holder of Acadia Healthcare Company, Inc..

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