William Blair Investment Management
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William Blair Investment Management’s Acadia Healthcare ACHC Stock Holding History

William Blair Investment 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
2025
Q4 		– Sell
-9,916
Closed -$246K – 414
2025
Q3 		$246K Sell
9,916
-13,393
-57% -$299K ﹤0.01% 402
2025
Q2 		$529K Sell
23,309
-4,375,246
-99% -$104M ﹤0.01% 371
2025
Q1 		$133M Buy
4,398,555
+770,512
+21% +$29.4M 0.37% 74
2024
Q4 		$144M Sell
3,628,043
-1,661
-0% -$74.9K 0.35% 92
2024
Q3 		$230M Buy
3,629,704
+114,240
+3% +$8.25M 0.57% 47
2024
Q2 		$237M Buy
3,515,464
+604,070
+21% +$42.2M 0.62% 37
2024
Q1 		$231M Sell
2,911,394
-68,170
-2% -$5.57M 0.6% 42
2023
Q4 		$232M Sell
2,979,564
-79,352
-3% -$5.87M 0.67% 39
2023
Q3 		$215M Buy
3,058,916
+10,062
+0.3% +$752K 0.71% 33
2023
Q2 		$243M Buy
3,048,854
+504,572
+20% +$36.5M 0.78% 25
2023
Q1 		$184M Sell
2,544,282
-132,788
-5% -$10.4M 0.64% 41
2022
Q4 		$220M Sell
2,677,070
-1,032,188
-28% -$85.1M 0.84% 30
2022
Q3 		$290M Sell
3,709,258
-60,373
-2% -$4.83M 1.15% 11
2022
Q2 		$255M Sell
3,769,631
-289,533
-7% -$20.2M 0.94% 17
2022
Q1 		$266M Sell
4,059,164
-26,369
-0.6% -$1.53M 0.79% 30
2021
Q4 		$248M Sell
4,085,533
-51,369
-1% -$3.06M 0.67% 47
2021
Q3 		$264M Sell
4,136,902
-589,894
-12% -$37.2M 0.74% 34
2021
Q2 		$297M Sell
4,726,796
-76,966
-2% -$4.83M 0.93% 28
2021
Q1 		$274M Buy
4,803,762
+2,097,022
+77% +$113M 0.89% 24
2020
Q4 		$136M Buy
+2,706,740
New +$108M 0.45% 87
2018
Q3 		– Sell
-7,960
Closed -$326K – 420
2018
Q2 		$326K Buy
+7,960
New +$321K ﹤0.01% 449
2017
Q4 		– Sell
-2,139,935
Closed -$102M – 428
2017
Q3 		$102M Buy
2,139,935
+10,963
+0.5% +$534K 0.37% 93
2017
Q2 		$105M Buy
2,128,972
+1,970,965
+1,247% +$87.3M 0.38% 86
2017
Q1 		$6.89M Buy
+158,007
New +$6.41M 0.03% 325

Other funds holding ACHC

Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
KCM
Khrom Capital Management Miami Beach, Florida $1.09B AUM 14.82% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
ABI
Abrams Bison Investments Bethesda, Maryland $2.31B AUM 40.26% 1-Year Est. Return
DCM
DME Capital Management New York $3.19B AUM 23.22% 1-Year Est. Return
JFG
Jefferies Financial Group New York $14.6B AUM 40.95% 1-Year Est. Return

William Blair Investment Management's ACHC Position: Q4 2025 in Review

William Blair Investment Management sold out of Acadia Healthcare (ACHC) in Q4 2025, closing a stake of 9,916 shares — an estimated $246K sold.

William Blair Investment Management first reported a position in ACHC in Q1 2017 and held it in 24 quarters. The position peaked at $297M in Q2 2021. 254 funds tracked by Wall St. Rank hold ACHC as of Q4 2025.

  • William Blair Investment Management reported no remaining Acadia Healthcare position as of Q4 2025 after selling out during the quarter.
  • William Blair Investment Management sold 9,916 Acadia Healthcare shares in Q4 2025, an estimated $246K.
  • William Blair Investment Management first reported a position in Acadia Healthcare in Q1 2017 and held it in 24 quarters.
  • William Blair Investment Management's Acadia Healthcare position peaked at $297M in Q2 2021.
  • 254 funds tracked by Wall St. Rank held Acadia Healthcare as of Q4 2025.

Based on William Blair Investment Management's 13F filing for Q4 2025, filed 9 Feb 2026.