Citadel Advisors
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Citadel Advisors’s Advanced Drainage Systems WMS Stock Holding History

Citadel Advisors’s Portfolio WMS Stock Details WMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.82M Buy
11,600
+8,800
+314% +$1.26M ﹤0.01% 6759
2026
Q1 		$384K Hold
2,800
– – ﹤0.01% 9897
2025
Q4 		$406K Sell
2,800
-9,500
-77% -$1.38M ﹤0.01% 9508
2025
Q3 		$1.71M Sell
12,300
-10,300
-46% -$1.35M ﹤0.01% 6403
2025
Q2 		$2.6M Sell
22,600
-47,500
-68% -$5.32M ﹤0.01% 5225
2025
Q1 		$7.62M Buy
70,100
+55,100
+367% +$6.42M ﹤0.01% 3236
2024
Q4 		$1.73M Sell
15,000
-3,000
-17% -$416K ﹤0.01% 5930
2024
Q3 		$2.83M Sell
18,000
-12,600
-41% -$1.97M ﹤0.01% 4891
2024
Q2 		$4.91M Sell
30,600
-3,000
-9% -$501K ﹤0.01% 3771
2024
Q1 		$5.79M Buy
33,600
+13,700
+69% +$2.06M ﹤0.01% 3718
2023
Q4 		$2.8M Buy
19,900
+4,200
+27% +$506K ﹤0.01% 4773
2023
Q3 		$1.79M Sell
15,700
-700
-4% -$85.5K ﹤0.01% 5423
2023
Q2 		$1.87M Buy
16,400
+2,300
+16% +$217K ﹤0.01% 5262
2023
Q1 		$1.19M Sell
14,100
-19,600
-58% -$1.72M ﹤0.01% 6411
2022
Q4 		$2.76M Buy
33,700
+24,500
+266% +$2.48M ﹤0.01% 4889
2022
Q3 		$1.14M Sell
9,200
-2,100
-19% -$261K ﹤0.01% 6697
2022
Q2 		$1.02M Buy
11,300
+5,400
+92% +$555K ﹤0.01% 6979
2022
Q1 		$701K Buy
5,900
+3,300
+127% +$392K ﹤0.01% 8570
2021
Q4 		$354K Sell
2,600
-4,000
-61% -$492K ﹤0.01% 10541
2021
Q3 		$714K Sell
6,600
-2,200
-25% -$253K ﹤0.01% 9023
2021
Q2 		$1.03M Sell
8,800
-8,400
-49% -$933K ﹤0.01% 8305
2021
Q1 		$1.78M Buy
17,200
+12,400
+258% +$1.21M ﹤0.01% 6689
2020
Q4 		$401K Sell
4,800
-4,000
-45% -$283K ﹤0.01% 8567
2020
Q3 		$549K Buy
8,800
+4,500
+105% +$244K ﹤0.01% 7125
2020
Q2 		$212K Buy
+4,300
New +$177K ﹤0.01% 8446

Other funds holding WMS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $15.4B AUM 26.43% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Citadel Advisors's WMS Position: Q2 2026 in Review

Citadel Advisors increased its Advanced Drainage Systems (WMS) stake by 36% in Q2 2026, buying an estimated $4.53M and bringing the position to 120,446 shares worth $18.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2659.

Citadel Advisors first reported a position in WMS in Q4 2014 and has held it in 41 quarters since. The position peaked at $125M in Q4 2025. 554 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

  • Citadel Advisors held 120,446 shares of Advanced Drainage Systems worth $18.9M as of Q2 2026.
  • Citadel Advisors bought 31,723 Advanced Drainage Systems shares in Q2 2026, an estimated $4.53M.
  • Advanced Drainage Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #2659 holding.
  • Citadel Advisors first reported a position in Advanced Drainage Systems in Q4 2014 and has held it in 41 quarters since.
  • Citadel Advisors's Advanced Drainage Systems position peaked at $125M in Q4 2025.
  • 554 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.