Channing Capital Management, LLC

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1302404 Chicago, IL

Position in WMS

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$8,401,406

-$733,601 QoQ

Shares Held

61,266

-2.9% QoQ

Ownership

0.080%

of shares outstanding

% of Portfolio

0.22%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 93.05161100773675.ToString("F0")% Shared 0.ToString("F0")% None 6.948388992263245.ToString("F0")%

Industrials · as of Mar 31, 2026

Channing Capital Management, LLC holds $87,666,995 across 3 Building Products & Equipment names. WMS ranks #3 (9.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LPX	Louisiana-Pacific Corp	958,952	$69,763,758
2	CSL	Carlisle Companies Inc	28,481	$9,501,831
3	WMS	Advanced Drainage Systems, Inc. This page	61,266	$8,401,406

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,401,406	61,266	-2.9%	Shares	Sole	2026-05-14
2025-12-31	$9,135,007	63,074	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.