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John Overdeck’s Acadia Healthcare ACHC Stock Holding History

John Overdeck’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
Q2 		$5.35M Sell
181,274
-29,942
-14% -$769K ﹤0.01% 2085
2026
Q1 		$4.94M Sell
211,216
-524,643
-71% -$9.5M ﹤0.01% 1985
2025
Q4 		$10.4M Buy
+735,859
New +$13.9M 0.01% 1092
2025
Q3 		– Sell
-141,182
Closed -$3.2M – 3632
2025
Q2 		$3.2M Sell
141,182
-37,585
-21% -$891K 0.01% 1524
2025
Q1 		$5.42M Sell
178,767
-14,130
-7% -$538K 0.01% 1087
2024
Q4 		$7.65M Buy
+192,897
New +$8.7M 0.02% 875
2024
Q2 		– Sell
-35,339
Closed -$2.8M – 2991
2024
Q1 		$2.8M Buy
35,339
+27,417
+346% +$2.24M 0.01% 1269
2023
Q4 		$616K Buy
+7,922
New +$586K ﹤0.01% 2352
2023
Q3 		– Sell
-14,818
Closed -$1.18M – 2930
2023
Q2 		$1.18M Buy
14,818
+11,622
+364% +$840K ﹤0.01% 1850
2023
Q1 		$231K Sell
3,196
-113,106
-97% -$8.82M ﹤0.01% 2514
2022
Q4 		$9.57M Buy
+116,302
New +$9.59M 0.03% 577
2022
Q2 		– Sell
-31,525
Closed -$2.07M – 2451
2022
Q1 		$2.07M Buy
+31,525
New +$1.83M 0.01% 1340
2021
Q1 		– Sell
-57,585
Closed -$2.89M – 3751
2020
Q4 		$2.89M Buy
+57,585
New +$2.3M 0.01% 1259
2017
Q1 		– Sell
-100,059
Closed -$3.31M – 2839
2016
Q4 		$3.31M Buy
+100,059
New +$3.88M 0.01% 1115
2016
Q2 		– Sell
-23,230
Closed -$1.28M – 2861
2016
Q1 		$1.28M Buy
+23,230
New +$1.33M 0.01% 1453
2015
Q4 		– Sell
-46,620
Closed -$3.09M – 2638
2015
Q3 		$3.09M Buy
+46,620
New +$3.59M 0.02% 677
2014
Q1 		– Sell
-39,014
Closed -$1.85M – 1948
2013
Q4 		$1.85M Buy
+39,014
New +$1.7M 0.01% 1042
2013
Q3 		– Sell
-6,772
Closed -$224K – 1804
2013
Q2 		$224K Buy
+6,772
New +$220K ﹤0.01% 1739

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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
CCM
Carronade Capital Management Darien, Connecticut $5.77B AUM 89.67% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
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
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
ABI
Abrams Bison Investments Bethesda, Maryland $2.05B AUM 71.03% 1-Year Est. Return

John Overdeck's ACHC Position: Q2 2026 in Review

John Overdeck reduced its Acadia Healthcare (ACHC) stake by 14% in Q2 2026, selling an estimated $769K and leaving 181,274 shares worth $5.35M. The position accounts for ﹤0.01% of the portfolio, ranked #2085.

John Overdeck first reported a position in ACHC in Q2 2013 and has held it in 18 quarters since. The position peaked at $10.4M in Q4 2025. 312 funds tracked by Wall St. Rank hold ACHC as of Q2 2026.

  • John Overdeck held 181,274 shares of Acadia Healthcare worth $5.35M as of Q2 2026.
  • John Overdeck sold 29,942 Acadia Healthcare shares in Q2 2026, an estimated $769K.
  • Acadia Healthcare made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2085 holding.
  • John Overdeck first reported a position in Acadia Healthcare in Q2 2013 and has held it in 18 quarters since.
  • John Overdeck's Acadia Healthcare position peaked at $10.4M in Q4 2025.
  • 312 funds tracked by Wall St. Rank held Acadia Healthcare as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.