Magnetar Financial’s Acadia Healthcare ACHC Stock Holding History

Magnetar Financial’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
2025 Q3	–	Sell	-49,840	Closed	-$1.13M	–	859
2025 Q2	$1.13M	Buy	+49,840	New	+$1.18M	0.01%	417
2025 Q1	–	Sell	-928,772	Closed	-$36.8M	–	718
2024 Q4	$36.8M	Buy	928,772 +737,427	+385%	+$33.3M	0.85%	37
2024 Q3	$12.1M	Buy	+191,345	New	+$13.8M	0.26%	84
2023 Q2	–	Sell	-355,062	Closed	-$25.7M	–	474
2023 Q1	$25.7M	Buy	355,062 +149,080	+72%	+$11.6M	0.5%	53
2022 Q4	$17M	Buy	+205,982	New	+$17M	0.29%	92
2022 Q1	–	Sell	-140,874	Closed	-$8.55M	–	1306
2021 Q4	$8.55M	Buy	+140,874	New	+$8.4M	0.09%	245
2019 Q2	–	Sell	-8,750	Closed	-$256K	–	436
2019 Q1	$256K	Buy	+8,750	New	+$248K	0.01%	345

Other funds holding ACHC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

KCM

Khrom Capital Management Miami Beach, Florida $1.09B AUM 14.82% 1-Year Est. Return

ABI

Abrams Bison Investments Bethesda, Maryland $2.31B AUM 40.26% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

SHCM

Sachem Head Capital Management New York $4.15B AUM 48.05% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return

Magnetar Financial's ACHC Position: Q3 2025 in Review

Magnetar Financial sold out of Acadia Healthcare (ACHC) in Q3 2025, closing a stake of 49,840 shares — an estimated $1.13M sold.

Magnetar Financial first reported a position in ACHC in Q1 2019 and held it in 7 quarters. The position peaked at $36.8M in Q4 2024. 270 funds tracked by Wall St. Rank hold ACHC as of Q3 2025.

Magnetar Financial reported no remaining Acadia Healthcare position as of Q3 2025 after selling out during the quarter.
Magnetar Financial sold 49,840 Acadia Healthcare shares in Q3 2025, an estimated $1.13M.
Magnetar Financial first reported a position in Acadia Healthcare in Q1 2019 and held it in 7 quarters.
Magnetar Financial's Acadia Healthcare position peaked at $36.8M in Q4 2024.
270 funds tracked by Wall St. Rank held Acadia Healthcare as of Q3 2025.

Based on Magnetar Financial's 13F filing for Q3 2025, filed 13 Nov 2025.