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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
Q2 		$42.7M Sell
271,735
-36,669
-12% -$5.24M 0.68% 43
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 $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

Robeco Schweiz's WMS Position: Q2 2026 in Review

Robeco Schweiz reduced its Advanced Drainage Systems (WMS) stake by 12% in Q2 2026, selling an estimated $5.24M and leaving 271,735 shares worth $42.7M. The position accounts for 0.68% of the portfolio, ranked #43.

Robeco Schweiz first reported a position in WMS in Q3 2019 and has held it in 19 quarters since. The position peaked at $93.3M in Q4 2022. 553 funds tracked by Wall St. Rank hold WMS as of Q2 2026.

  • Robeco Schweiz held 271,735 shares of Advanced Drainage Systems worth $42.7M as of Q2 2026.
  • Robeco Schweiz sold 36,669 Advanced Drainage Systems shares in Q2 2026, an estimated $5.24M.
  • Advanced Drainage Systems made up 0.68% of Robeco Schweiz's portfolio in Q2 2026, its #43 holding.
  • Robeco Schweiz first reported a position in Advanced Drainage Systems in Q3 2019 and has held it in 19 quarters since.
  • Robeco Schweiz's Advanced Drainage Systems position peaked at $93.3M in Q4 2022.
  • 553 funds tracked by Wall St. Rank held Advanced Drainage Systems as of Q2 2026.

Based on Robeco Schweiz's 13F filing for Q2 2026, filed 28 Jul 2026.