ACHCAcadia Healthcare Company, Inc.

$29.26+32% 1Y

Who owns ACHC

311 institutions reported holding ACHC for 2026Q2, together 148% of the company, more than the 295 a quarter earlier.

311

Institutions reporting a position · as of 2026Q2 · up from 295 the quarter before

Shares held by institutions
134.6M

Shares held by institutions · 148% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.97B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
67 / 51

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
67
Positions exited
51
Added to
89
Reduced
91
Shares sold shortsettled Sep 15, 2026
21.5M
Short interestof shares outstanding
24%
Days to coverat the average daily volume
18.8
Change in the short positionsince the Aug 31, 2026 count
−4.8%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2311134.6M$3.97B
2026Q1295132.5M$3.10B
2025Q4249121.6M$1.73B
2025Q3269113.5M$2.81B
2025Q2290105.9M$2.40B
2025Q1291100.1M$3.03B
2024Q4305100.3M$3.98B
2024Q330798.2M$6.23B
2024Q230096.6M$6.52B
2024Q131893.2M$7.38B
2023Q431092.5M$7.19B
2023Q329191.4M$6.43B
2023Q227893.1M$7.41B
2023Q131093.3M$6.71B
2022Q434391.4M$7.53B
2022Q331693.3M$7.30B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.15.0Mn/a$442M
VANGUARD GROUP INC10.1Mn/a$299M
WELLINGTON MANAGEMENT GROUP LLP5.7Mn/a$169M
FMR LLC5.0Mn/a$148M
CARRONADE CAPITAL MANAGEMENT, LP4.8Mn/a$141M
MORGAN STANLEY4.5Mn/a$134M
DEERFIELD MANAGEMENT CO /NY4.5Mn/a$133M
DME Capital Management, LP4.4Mn/a$130M
FARALLON CAPITAL MANAGEMENT LLC4.2Mn/a$125M
ABRAMS BISON INVESTMENTS, LLC4.2Mn/a$123M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202621.5M24%18.8
Aug 31, 202622.6M25%12.7
Aug 14, 202621.0M23%12.5
Jul 31, 202621.8M24%6.7
Jul 15, 202621.8M24%7.2
Jun 30, 202622.5M25%5.4
Jun 15, 202620.3M22%8.4
May 29, 202623.0M25%9.5
May 15, 202622.6M25%8.2
Apr 30, 202623.8M26%6.9
Apr 15, 202622.1M24%7.9
Mar 31, 202622.1M24%7.7

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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