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Robeco Schweiz’s Advanced Drainage Systems WMS Stock Holding History

Robeco Schweiz’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 		$42.3M Sell
308,404
-55,906
-15% -$8.65M 0.89% 37
2025
Q4 		$52.8M Sell
364,310
-42,994
-11% -$6.23M 1.18% 31
2025
Q3 		$56.5M Buy
407,304
+74,741
+22% +$9.81M 1.27% 31
2025
Q2 		$38.2M Buy
332,563
+10,622
+3% +$1.19M 0.88% 41
2025
Q1 		$35M Buy
321,941
+106,466
+49% +$12.4M 0.86% 40
2024
Q4 		$24.9M Buy
215,475
+23
+0% +$3.19K 0.53% 56
2024
Q3 		$33.9M Buy
+215,452
New +$33.6M 0.63% 50
2023
Q4 		– Sell
-172,323
Closed -$19.6M – 125
2023
Q3 		$19.6M Sell
172,323
-128,387
-43% -$15.7M 0.33% 78
2023
Q2 		$34.2M Sell
300,710
-193,893
-39% -$18.3M 0.51% 68
2023
Q1 		$41.7M Sell
494,603
-643,072
-57% -$56.6M 0.67% 56
2022
Q4 		$93.3M Buy
1,137,675
+742,826
+188% +$75.3M 1.7% 19
2022
Q3 		$49.1M Sell
394,849
-15,951
-4% -$1.99M 0.95% 37
2022
Q2 		$37M Buy
+410,800
New +$42.2M 0.66% 53
2020
Q4 		– Sell
-166,609
Closed -$10.4M – 159
2020
Q3 		$10.4M Buy
166,609
+46,010
+38% +$2.49M 0.31% 86
2020
Q2 		$5.96M Sell
120,599
-142,933
-54% -$5.87M 0.21% 81
2020
Q1 		$7.49M Buy
263,532
+10,549
+4% +$426K 0.32% 81
2019
Q4 		$9.88M Buy
252,983
+125,251
+98% +$4.63M 0.37% 79
2019
Q3 		$4.13M Buy
+127,732
New +$4.15M 0.18% 97

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

Robeco Schweiz's WMS Position: Q1 2026 in Review

Robeco Schweiz reduced its Advanced Drainage Systems (WMS) stake by 15% in Q1 2026, selling an estimated $8.65M and leaving 308,404 shares worth $42.3M. The position accounts for 0.89% of the portfolio, ranked #37.

Robeco Schweiz first reported a position in WMS in Q3 2019 and has held it in 18 quarters since. The position peaked at $93.3M in Q4 2022. 576 funds tracked by Wall St. Rank hold WMS as of Q1 2026.

  • Robeco Schweiz held 308,404 shares of Advanced Drainage Systems worth $42.3M as of Q1 2026.
  • Robeco Schweiz sold 55,906 Advanced Drainage Systems shares in Q1 2026, an estimated $8.65M.
  • Advanced Drainage Systems made up 0.89% of Robeco Schweiz's portfolio in Q1 2026, its #37 holding.
  • Robeco Schweiz first reported a position in Advanced Drainage Systems in Q3 2019 and has held it in 18 quarters since.
  • Robeco Schweiz's Advanced Drainage Systems position peaked at $93.3M in Q4 2022.
  • 576 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q1 2026.

Based on Robeco Schweiz's 13F filing for Q1 2026, filed 7 May 2026.