Acadia Healthcare
ACHC
270 hedge funds and large institutions have $2.81B invested in Acadia Healthcare in 2025 Q3 according to their latest regulatory filings, with 42 funds opening new positions, 102 increasing their positions, 94 reducing their positions, and 64 closing their positions.
72% more call options, than puts
Call options by funds: $14.2M | Put options by funds: $8.24M
25% more funds holding in top 10
Funds holding in top 10: 8 → 10 (+2)
17% more capital invested
Capital invested by funds: $2.41B → $2.81B (+$406M)
7.84% more ownership
Funds ownership: 115.13% → 122.97% (+7.8%)
9% more repeat investments, than reductions
Existing positions increased: 102 | Existing positions reduced: 94
8% less funds holding
Funds holding: 293 → 270 (-23)
34% less first-time investments, than exits
New positions opened: 42 | Existing positions closed: 64
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ECM
Engine Capital Management
New York
|
+$57.7M |
| 2 |
KCM
Khrom Capital Management
Miami Beach,
Florida
|
+$57M |
| 3 |
BlackRock
New York
|
+$41.6M |
| 4 |
DM
Deerfield Management
New York
|
+$26.5M |
| 5 |
RCMNY
Rubric Capital Management (New York)
New York
|
+$24.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
-$30.1M |
| 2 |
8KM
8 Knots Management
Dallas,
Texas
|
-$19.2M |
| 3 |
Morgan Stanley
New York
|
-$12.3M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
-$11.8M |
| 5 |
RSCM
Rock Springs Capital Management
Baltimore,
Maryland
|
-$11.7M |
ACHC Hedge Fund Activity: Q3 2025 in Review
270 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Acadia Healthcare (ACHC) for Q3 2025, worth a combined $2.81B — up 17% from $2.41B a quarter earlier.
Sellers outnumbered buyers: 64 funds closed out of ACHC and 42 opened new positions — a net loss of 22 holders — while 94 trimmed existing stakes and 102 added.
The largest buyer was Engine Capital Management, opening a new position worth an estimated $57.7M. The largest seller was GW&K Investment Management, cutting an estimated $30.1M.
- 270 institutional investors held Acadia Healthcare (ACHC) as of Q3 2025, down from 293 in Q2 2025.
- Funds reported $2.81B of Acadia Healthcare stock for Q3 2025, up 17% quarter-over-quarter.
- 42 funds opened new Acadia Healthcare positions in Q3 2025 and 64 closed out, a net change of -22 holders.
- The largest Acadia Healthcare buyer in Q3 2025 was Engine Capital Management, an estimated $57.7M added.
- The largest Acadia Healthcare seller in Q3 2025 was GW&K Investment Management, an estimated $30.1M sold.
Based on aggregated 13F filings for Q3 2025.