Skip to main content
Livermore
Livermore
ZHEN

Acadia Healthcare Company, Inc.

ACHC
Exchange
Nasdaq
Industry
Services-Specialty Outpatient Facilities, NEC
SEC CIK
0001520697

No open-market purchases or sales by Acadia Healthcare Company, Inc. insiders were filed in the last 90 days; 313 institutions reported holding it in 13F filings for Q2 2026, worth $3.97B in total; Greenlight Capital is the only superinvestor holding it.

Holders of 5% or more of ACHC

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Acadia Healthcare Company, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of ACHC
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A15.00%13.8M shares+3.80 ppfrom 11.20%Oct 2, 20252 filingsJul 27, 2026SEC
Wellington Management Group LLP13G/A6.20%5.73M shares−3.70 ppfrom 9.90%Feb 3, 202111 filingsAug 13, 2026SEC
Vanguard Portfolio Management LLC13G5.51%5.08M sharesNewApr 28, 20261 filingApr 28, 2026SEC
FMR LLC13G/A5.50%5.02M shares−1.20 ppfrom 6.70%Feb 9, 20244 filingsAug 6, 2026SEC
Vanguard Capital Management LLC13G5.25%4.84M sharesNewApr 29, 20261 filingApr 29, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

49 Schedule 13D and 13G filings on Acadia Healthcare Company, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on ACHC
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 14, 20266:35 AM ETKhrom Investments Fund, LPand 2 others13G/A0.72%653.9K shares−4.94 ppfrom 5.66%Below 5%Jun 30, 2026SEC
Aug 13, 20264:08 PM ETWellington Management Group LLPand 3 others13G/A6.20%5.73M shares−3.70 ppfrom 9.90%Jun 30, 2026SEC
Aug 6, 202610:14 AM ETFMR LLCand 1 other13G/A5.50%5.02M shares−1.20 ppfrom 6.70%Jun 30, 2026SEC
Jul 27, 20264:25 PM ETBlackRock, Inc.13G/A15.00%13.8M shares+3.80 ppfrom 11.20%Jun 30, 2026SEC
May 15, 20265:08 PM ETKhrom Investments Fund, LPand 2 others13G/A5.66%5.20M shares−2.43 ppfrom 8.09%Mar 31, 2026SEC
May 15, 20267:24 AM ETWellington Management Group LLPand 3 others13G/A9.90%9.07M shares−2.90 ppfrom 12.80%Mar 31, 2026SEC
May 11, 20261:22 PM ETGoldman Sachs Group Incand 1 other13G/A1.60%1.46M shares−3.50 ppfrom 5.10%Below 5%Mar 31, 2026SEC
Apr 29, 20264:37 PM ETVanguard Capital Management LLC13G5.25%4.84M sharesNewMar 31, 2026SEC
Apr 28, 20263:51 PM ETVanguard Portfolio Management LLC13G5.51%5.08M sharesNewMar 31, 2026SEC
Mar 26, 20263:05 PM ETVanguard Group Inc13G/A0.00%0 shares−10.19 ppfrom 10.19%Below 5%Mar 13, 2026SEC
Mar 11, 20269:45 PM ETKhrom Investments Fund, LPand 2 others13G8.09%7.46M shares−0.72 ppfrom 8.81%Mar 10, 2026SEC
Feb 12, 202610:03 AM ETGoldman Sachs Group Incand 1 other13G5.10%4.71M sharesNewDec 31, 2025SEC
Feb 10, 202611:23 AM ETWellington Management Group LLPand 3 others13G/A12.80%11.8M shares+2.60 ppfrom 10.20%Dec 31, 2025SEC
Jan 23, 202612:47 PM ETKhrom Investments Fund, LPand 2 others13D/A8.81%8.13M shares+1.07 ppfrom 7.74%Jan 21, 2026SEC
Nov 24, 20257:22 PM ETKhrom Investments Fund, LPand 2 others13D/A7.74%7.15M shares+2.24 ppfrom 5.50%Nov 20, 2025SEC
Oct 6, 20255:18 PM ETVanguard Group Inc13G/A10.19%9.42M shares–Sep 30, 2025SEC
Oct 6, 202512:22 PM ETWellington Management Group LLPand 3 others13G/A10.20%9.42M shares+1.00 ppfrom 9.20%Sep 30, 2025SEC
Oct 2, 20256:46 PM ETBlackRock, Inc.13G/A11.20%10.3M shares–Sep 30, 2025SEC
Oct 1, 20254:01 PM ETKhrom Investments Fund, LPand 2 others13D5.50%5.04M sharesNewSep 24, 2025SEC
Aug 12, 202510:34 AM ETWellington Management Group LLPand 3 others13G/A9.20%8.43M shares–Jun 30, 2025SEC
May 14, 202510:47 AM ETT. Rowe Price Investment Management, Inc.13G/A1.00%949.6K shares–Below 5%Mar 31, 2025SEC
Feb 12, 20259:08 AM ETFMR LLCand 1 other13G6.70%6.23M shares–Dec 31, 2024SEC
Nov 14, 2024T. Rowe Price Investment Management, Inc.13G/AOld format–––SEC
Nov 12, 2024FMR LLC13G/AOld format–––SEC
Nov 8, 2024Wellington Management Group LLP13G/AOld format–––SEC
Jun 6, 2024Wellington Management Group LLP13G/AOld format–––SEC
Feb 14, 2024T. Rowe Price Investment Management, Inc.13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2024Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 9, 2024FMR LLC13GOld format–New–SEC
Feb 8, 2024Wellington Management Group LLP13G/AOld format–––SEC
Jan 25, 20241:48 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 14, 2023T. Rowe Price Investment Management, Inc.13G/AOld format–––SEC
Feb 10, 2023Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 6, 2023Wellington Management Group LLP13G/AOld format–––SEC
Jan 25, 202310:36 AM ETBlackRock Inc.13GOld format–––SEC
Aug 10, 2022T. Rowe Price Investment Management, Inc.13GOld format–New–SEC
Aug 10, 2022Price T Rowe Associates Inc13G/AOld format–––SEC
Feb 14, 2022Price T Rowe Associates Inc13G/AOld format–––SEC
Feb 9, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 8, 2022Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 4, 2022Wellington Management Group LLP13G/AOld format–––SEC
Feb 3, 20224:41 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 16, 2021Price T Rowe Associates Inc13G/AOld format–––SEC
Feb 12, 2021Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Feb 3, 2021Wellington Management Group LLP13G/AOld format–––SEC
Jan 28, 20215:55 PM ETBlackRock Inc.13G/AOld format–––SEC

Form 144: proposed insider sales

9 notices from officers, directors and other affiliates planning to sell Acadia Healthcare Company, Inc. shares, newest first.

Form 144 notices for ACHC
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Aug 30, 20244:23 PM ETHollinsworth John S.Officer20.0K$1.06MAug 30, 2024Merrill LynchSEC
Aug 29, 20244:07 PM ETHollinsworth John S.Officer10.0K$812.1KAug 29, 2024Merrill LynchSEC
Aug 8, 20244:02 PM ETHollinsworth John S.Officer5.00K$357.8KAug 8, 2024Merrill LynchSEC
Mar 8, 20243:30 PM ETMiquelon Wade DDirector2.20K$188.0KMar 5, 2024Raymond James & Associates, Inc.SEC
Mar 4, 20245:24 PM ETGregg Vicky BOfficer2.50K$213.8KMar 4, 2024Merrill LynchSEC
Nov 15, 202312:41 PM ETHollinsworth John S.Officer47.5K$3.53MNov 15, 2023Merrill Lynch/Chris MitchellSEC
Nov 14, 20235:12 PM ETHollinsworth John S.Officer45.0K$3.32MNov 14, 2023Merrill Lynch/Chris MitchellSEC
Nov 13, 20235:10 PM ETAmendedHollinsworth John S.Officer20.0K$1.46MNov 10, 2023Merrill Lynch/Chris MitchellSEC
Nov 13, 20234:56 PM ETAmendedHollinsworth John S.Officer12.5K$931.2KNov 8, 2023Merrill Lynch/Chris MitchellSEC