Atika Capital Management’s Acadia Healthcare ACHC Stock Holding History

Atika 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	$2.87M	Buy	+122,600	New	+$2.22M	0.36%	55
2024 Q1	–	Sell	-75,000	Closed	-$5.83M	–	89
2023 Q4	$5.83M	Sell	75,000 -18,000	-19%	-$1.33M	0.78%	54
2023 Q3	$6.54M	Sell	93,000 -13,200	-12%	-$986K	0.86%	46
2023 Q2	$8.46M	Sell	106,200 -32,800	-24%	-$2.37M	0.85%	44
2023 Q1	$10M	Sell	139,000 -87,939	-39%	-$6.85M	1.48%	21
2022 Q4	$18.7M	Sell	226,939 -58,061	-20%	-$4.79M	2.69%	10
2022 Q3	$22.3M	Buy	285,000 +70,730	+33%	+$5.65M	1.89%	15
2022 Q2	$14.5M	Buy	+214,270	New	+$14.9M	1.63%	20
2022 Q1	–	Sell	-157,200	Closed	-$9.54M	–	71
2021 Q4	$9.54M	Sell	157,200 -5,000	-3%	-$298K	0.67%	59
2021 Q3	$10.3M	Buy	162,200 +21,200	+15%	+$1.34M	0.62%	58
2021 Q2	$8.85M	Buy	141,000 +43,000	+44%	+$2.7M	0.7%	56
2021 Q1	$5.6M	Buy	+98,000	New	+$5.3M	0.49%	73
2017 Q4	–	Sell	-59,000	Closed	-$2.82M	–	67
2017 Q3	$2.82M	Sell	59,000 -32,000	-35%	-$1.56M	0.81%	50
2017 Q2	$4.49M	Buy	91,000 +19,000	+26%	+$842K	1.57%	17
2017 Q1	$3.14M	Buy	+72,000	New	+$2.92M	1.54%	26
2015 Q4	–	Sell	-43,454	Closed	-$2.88M	–	57
2015 Q3	$2.88M	Buy	43,454 +5,904	+16%	+$454K	1.41%	30
2015 Q2	$2.94M	Buy	37,550 +7,550	+25%	+$543K	1.32%	33
2015 Q1	$2.15M	Buy	30,000 +2,000	+7%	+$128K	1.43%	32
2014 Q4	$1.71M	Buy	28,000 +6,000	+27%	+$349K	1.25%	33
2014 Q3	$1.07M	Buy	+22,000	New	+$1.08M	0.82%	49

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

DCM

DME Capital Management New York $3.19B AUM 23.22% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

ABI

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Atika Capital Management opened a new position in Acadia Healthcare (ACHC) in Q1 2026: 122,600 shares worth $2.87M. The stake represents 0.36% of the portfolio and ranks #55 among its holdings. This is a return to the name: Atika Capital Management previously reported a position in ACHC as recently as Q4 2023.

Atika Capital Management first reported a position in ACHC in Q3 2014 and has held it in 20 quarters since. The position peaked at $22.3M in Q3 2022. 295 funds tracked by Wall St. Rank hold ACHC as of Q1 2026.

Atika Capital Management held 122,600 shares of Acadia Healthcare worth $2.87M as of Q1 2026.
Acadia Healthcare was a new Atika Capital Management position in Q1 2026.
Acadia Healthcare made up 0.36% of Atika Capital Management's portfolio in Q1 2026, its #55 holding.
Atika Capital Management first reported a position in Acadia Healthcare in Q3 2014 and has held it in 20 quarters since.
Atika Capital Management's Acadia Healthcare position peaked at $22.3M in Q3 2022.
295 funds tracked by Wall St. Rank held Acadia Healthcare as of Q1 2026.

Based on Atika Capital Management's 13F filing for Q1 2026, filed 14 May 2026.