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
Q1 		$2.26M Buy
16,500
+12,200
+284% +$1.89M ﹤0.01% 5830
2025
Q4 		$623K Sell
4,300
-8,700
-67% -$1.26M ﹤0.01% 8497
2025
Q3 		$1.8M Buy
13,000
+4,600
+55% +$604K ﹤0.01% 6291
2025
Q2 		$965K Sell
8,400
-61,200
-88% -$6.86M ﹤0.01% 7186
2025
Q1 		$7.56M Buy
69,600
+55,800
+404% +$6.5M ﹤0.01% 3248
2024
Q4 		$1.6M Sell
13,800
-15,100
-52% -$2.1M ﹤0.01% 6100
2024
Q3 		$4.54M Sell
28,900
-6,500
-18% -$1.01M ﹤0.01% 4081
2024
Q2 		$5.68M Sell
35,400
-32,600
-48% -$5.45M ﹤0.01% 3550
2024
Q1 		$11.7M Buy
68,000
+40,600
+148% +$6.11M ﹤0.01% 2739
2023
Q4 		$3.85M Sell
27,400
-1,800
-6% -$217K ﹤0.01% 4192
2023
Q3 		$3.32M Sell
29,200
-31,900
-52% -$3.89M ﹤0.01% 4302
2023
Q2 		$6.95M Buy
61,100
+22,700
+59% +$2.14M ﹤0.01% 3161
2023
Q1 		$3.23M Buy
38,400
+25,600
+200% +$2.25M ﹤0.01% 4520
2022
Q4 		$1.05M Buy
12,800
+2,700
+27% +$274K ﹤0.01% 6727
2022
Q3 		$1.26M Sell
10,100
-1,800
-15% -$224K ﹤0.01% 6503
2022
Q2 		$1.07M Sell
11,900
-400
-3% -$41.1K ﹤0.01% 6862
2022
Q1 		$1.46M Buy
12,300
+3,400
+38% +$403K ﹤0.01% 6798
2021
Q4 		$1.21M Sell
8,900
-12,700
-59% -$1.56M ﹤0.01% 7471
2021
Q3 		$2.34M Sell
21,600
-4,300
-17% -$495K ﹤0.01% 5958
2021
Q2 		$3.02M Buy
25,900
+3,900
+18% +$433K ﹤0.01% 5587
2021
Q1 		$2.27M Buy
22,000
+10,800
+96% +$1.06M ﹤0.01% 6085
2020
Q4 		$936K Buy
11,200
+1,000
+10% +$70.9K ﹤0.01% 6932
2020
Q3 		$637K Buy
10,200
+1,100
+12% +$59.5K ﹤0.01% 6849
2020
Q2 		$450K Buy
+9,100
New +$374K ﹤0.01% 7277

Other funds holding WMS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Citadel Advisors's WMS Position: Q1 2026 in Review

Citadel Advisors reduced its Advanced Drainage Systems (WMS) stake by 90% in Q1 2026, selling an estimated $120M and leaving 88,723 shares worth $12.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2982.

Citadel Advisors first reported a position in WMS in Q4 2014 and has held it in 40 quarters since. The position peaked at $125M in Q4 2025. 577 funds tracked by Wall St. Rank hold WMS as of Q1 2026.

  • Citadel Advisors held 88,723 shares of Advanced Drainage Systems worth $12.2M as of Q1 2026.
  • Citadel Advisors sold 773,972 Advanced Drainage Systems shares in Q1 2026, an estimated $120M.
  • Advanced Drainage Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2982 holding.
  • Citadel Advisors first reported a position in Advanced Drainage Systems in Q4 2014 and has held it in 40 quarters since.
  • Citadel Advisors's Advanced Drainage Systems position peaked at $125M in Q4 2025.
  • 577 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.