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Impax Asset Management Group plc

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1749768 LONDON, X0

Position in WMS

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$289,739,056
+$25,419,610 QoQ
Shares Held
1,845,942
-4.2% QoQ
Ownership
2.45%
of shares outstanding
% of Portfolio
1.91%
of 13F equity value
Holder Rank
#7
of 543 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 89% Shared 0% None 11%

Common Shares in WMS Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

Impax Asset Management Group plc holds $737,464,239 across 8 Building Products & Equipment names. WMS ranks #1 (39.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WMS
Advanced Drainage Systems, Inc.
This page
1,845,942 $289,739,056

All Filings in WMS

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $289,739,056 1,845,942
2026-03-31 $264,319,446 1,927,510
2025-12-31 $299,323,492 2,066,723
2025-09-30 $346,760,541 2,500,076
2025-06-30 $349,623,387 3,043,909
2025-03-31 $315,564,581 2,904,414
2024-12-31 $292,468,000 2,530,000
2024-09-30 $295,452,627 1,879,948
2024-06-30 $333,013,907 2,076,276
2024-03-31 $409,669,739 2,378,482
2023-12-31 $380,671,131 2,706,706
2023-09-30 $343,281,115 3,015,735
2023-06-30 $396,819,924 3,487,607
2023-03-31 $298,290,346 3,542,220
2022-12-31 $229,682,071 2,802,026
2022-09-30 $311,153,467 2,501,837
2022-06-30 $250,795,951 2,784,456
2022-03-31 $332,265,709 2,796,614
2021-12-31 $378,555,204 2,780,836
2021-09-30 $321,993,641 2,976,737
2021-06-30 $315,134,638 2,703,394
2021-03-31 $273,641,589 2,646,693
2020-12-31 $241,015,299 2,883,648
2020-09-30 $185,589,163 2,972,280
2020-06-30 $155,005,146 3,137,756
2020-03-31 $88,005,433 2,989,315