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Triodos Investment Management’s Advanced Drainage Systems WMS Stock Holding History

Triodos Investment Management’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 		$82.9M Sell
528,311
-8,400
-2% -$1.2M 5.05% 4
2026
Q1 		$73.6M Sell
536,711
-1,300
-0.2% -$201K 5.57% 2
2025
Q4 		$79.1M Sell
538,011
-8,000
-1% -$1.16M 5.71% 1
2025
Q3 		$75.7M Sell
546,011
-7,400
-1% -$972K 5.48% 2
2025
Q2 		$63.6M Buy
553,411
+1,350
+0.2% +$151K 4.77% 3
2025
Q1 		$59.7M Buy
552,061
+12,250
+2% +$1.43M 4.91% 1
2024
Q4 		$62.4M Buy
539,811
+60,500
+13% +$8.4M 5.05% 2
2024
Q3 		$75.3M Hold
479,311
– – 5.94% 1
2024
Q2 		$76.9M Sell
479,311
-13,800
-3% -$2.31M 6.72% 1
2024
Q1 		$84.9M Sell
493,111
-14,400
-3% -$2.17M 7.68% 1
2023
Q4 		$71.4M Sell
507,511
-10,850
-2% -$1.31M 6.98% 1
2023
Q3 		$59M Sell
518,361
-40,989
-7% -$5M 6.27% 1
2023
Q2 		$63.6M Sell
559,350
-3,000
-0.5% -$283K 6.35% 2
2023
Q1 		$47.4M Buy
562,350
+33,200
+6% +$2.92M 5.32% 2
2022
Q4 		$43.4M Buy
529,150
+152,050
+40% +$15.4M 5.71% 3
2022
Q3 		$46.9M Buy
377,100
+192,100
+104% +$23.9M 6.7% 2
2022
Q2 		$16.7M Buy
185,000
+10,000
+6% +$1.03M 2.35% 17
2022
Q1 		$20.8M Hold
175,000
– – 2.66% 16
2021
Q4 		$23.8M Buy
175,000
+10,000
+6% +$1.23M 3.11% 11
2021
Q3 		$17.8M Hold
165,000
– – 2.4% 19
2021
Q2 		$19.2M Sell
165,000
-10,000
-6% -$1.11M 2.58% 15
2021
Q1 		$18.1M Hold
175,000
– – 2.86% 14
2020
Q4 		$14.6M Buy
+175,000
New +$12.4M 2.41% 18

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

Triodos Investment Management's WMS Position: Q2 2026 in Review

Triodos Investment Management reduced its Advanced Drainage Systems (WMS) stake by 1.6% in Q2 2026, selling an estimated $1.2M and leaving 528,311 shares worth $82.9M. The position accounts for 5.05% of the portfolio, ranked #4.

Triodos Investment Management first reported a position in WMS in Q4 2020 and has held it in 23 quarters since. The position peaked at $84.9M in Q1 2024. 553 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

  • Triodos Investment Management held 528,311 shares of Advanced Drainage Systems worth $82.9M as of Q2 2026.
  • Triodos Investment Management sold 8,400 Advanced Drainage Systems shares in Q2 2026, an estimated $1.2M.
  • Advanced Drainage Systems made up 5.05% of Triodos Investment Management's portfolio in Q2 2026, its #4 holding.
  • Triodos Investment Management first reported a position in Advanced Drainage Systems in Q4 2020 and has held it in 23 quarters since.
  • Triodos Investment Management's Advanced Drainage Systems position peaked at $84.9M in Q1 2024.
  • 553 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Triodos Investment Management's 13F filing for Q2 2026, filed 29 Jul 2026.