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Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

WMS holding history

Advanced Drainage Systems, Inc. in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WMS overviewAll 13F holders of WMSFull Q2 2026 holdings

Shares (Q1 2025)
0
Sold out in Q1 2025
Value
$0
% of portfolio
0.0%
Quarters held
14
Since Q3 2021
Holdings of WMS by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20250$00.0%−18,547−100.0%Sold outHolders
Q4 202418,547$2.14M<0.1%−1,408,094−98.7%ReducedHolders
Q3 20241,426,641$224.2M0.3%−219,761−13.3%ReducedHolders
Q2 20241,646,402$264.1M0.3%+127,284+8.4%AddedHolders
Q1 20241,519,118$261.6M0.3%+219,629+16.9%AddedHolders
Q4 20231,299,489$182.7M0.2%+178,720+15.9%AddedHolders
Q3 20231,120,769$127.6M0.2%+8,534+0.8%AddedHolders
Q2 20231,112,235$126.6M0.2%−16,505−1.5%ReducedHolders
Q1 20231,128,740$95.1M0.1%−635,035−36.0%ReducedHolders
Q4 20221,763,775$144.7M0.2%+3,774+0.2%AddedHolders
Q3 20221,760,001$218.8M0.3%+69,633+4.1%AddedHolders
Q2 20221,690,368$152.4M0.2%−10,768−0.6%ReducedHolders
Q1 20221,701,136$202.1M0.2%+285,161+20.1%AddedHolders
Q4 20211,415,975$192.7M0.2%+599,778+73.5%AddedHolders
Q3 2021816,197$88.3M0.1%+816,197NewHolders