ECM
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Engine Capital Management’s Acadia Healthcare ACHC Stock Holding History

Engine Capital Management’s Portfolio ACHC Stock Details ACHC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-328,833
Closed -$4.67M – 27
2025
Q4 		$4.67M Sell
328,833
-2,256,741
-87% -$42.7M 0.64% 21
2025
Q3 		$64M Buy
+2,585,574
New +$57.7M 7.6% 4

Other funds holding ACHC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
KCM
Khrom Capital Management Miami Beach, Florida $1.19B AUM 14.29% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
DCM
DME Capital Management New York $3.91B AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
ABI
Abrams Bison Investments Bethesda, Maryland $2.05B AUM 71.03% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Engine Capital Management's ACHC Position: Q1 2026 in Review

Engine Capital Management sold out of Acadia Healthcare (ACHC) in Q1 2026, closing a stake of 328,833 shares — an estimated $4.67M sold.

Engine Capital Management first reported a position in ACHC in Q3 2025 and held it in 2 quarters. The position peaked at $64M in Q3 2025. 295 funds tracked by Wall St. Rank hold ACHC as of Q1 2026.

  • Engine Capital Management reported no remaining Acadia Healthcare position as of Q1 2026 after selling out during the quarter.
  • Engine Capital Management sold 328,833 Acadia Healthcare shares in Q1 2026, an estimated $4.67M.
  • Engine Capital Management first reported a position in Acadia Healthcare in Q3 2025 and held it in 2 quarters.
  • Engine Capital Management's Acadia Healthcare position peaked at $64M in Q3 2025.
  • 295 funds tracked by Wall St. Rank held Acadia Healthcare as of Q1 2026.

Based on Engine Capital Management's 13F filing for Q1 2026, filed 15 May 2026.