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Livermore
Livermore
ZHEN

Impax Asset Management Group plc

SEC CIK
0001749768
Latest filing
Aug 11, 2026

WMS holding history

Advanced Drainage Systems, Inc. in every 13F filed by Impax Asset Management Group plc, 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 (Q2 2026)
1,845,942
Value
$289.7M
% of portfolio
1.9%
Quarters held
22
Since Q1 2021
Holdings of WMS by Impax Asset Management Group plc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,845,942$289.7M1.9%−81,568−4.2%ReducedHolders
Q1 20261,927,510$264.3M1.8%−139,213−6.7%ReducedHolders
Q4 20252,066,723$299.3M1.9%−433,353−17.3%ReducedHolders
Q3 20252,500,076$345.8M2.0%−543,833−17.9%ReducedHolders
Q2 20253,043,909$348.7M2.0%+139,495+4.8%AddedHolders
Q1 20252,904,414$314.7M1.9%+374,414+14.8%AddedHolders
Q4 20242,530,000$291.7M1.3%+650,052+34.6%AddedHolders
Q3 20241,879,948$294.8M1.2%−196,328−9.5%ReducedHolders
Q2 20242,076,276$332.3M1.4%−302,206−12.7%ReducedHolders
Q1 20242,378,482$408.7M1.6%−328,224−12.1%ReducedHolders
Q4 20232,706,706$379.8M1.5%−309,029−10.2%ReducedHolders
Q3 20233,015,735$342.6M1.5%−471,872−13.5%ReducedHolders
Q2 20233,487,607$395.9M1.6%−54,613−1.5%ReducedHolders
Q1 20233,542,220$297.6M1.2%+740,194+26.4%AddedHolders
Q4 20222,802,026$229.1M1.0%+300,189+12.0%AddedHolders
Q3 20222,501,837$310.3M1.6%−282,619−10.1%ReducedHolders
Q2 20222,784,456$250.1M1.2%−12,158−0.4%ReducedHolders
Q1 20222,796,614$331.4M1.4%+15,778+0.6%AddedHolders
Q4 20212,780,836$377.5M1.4%−195,901−6.6%ReducedHolders
Q3 20212,976,737$321.0M1.3%+273,343+10.1%AddedHolders
Q2 20212,703,394$314.2M1.4%+56,701+2.1%AddedHolders
Q1 20212,646,693$272.8M1.4%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.