BAILLIE GIFFORD & CO

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1088875 EDINBURGH, X0

Position in WMS

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$288,068,215

+$7,315,249 QoQ

Shares Held

1,835,297

-10.4% QoQ

Ownership

2.43%

of shares outstanding

% of Portfolio

0.26%

of 13F equity value

Holder Rank

of 543 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 78% Shared 0% None 22%

Industrials · as of Jun 30, 2026

BAILLIE GIFFORD & CO holds $288,103,401 across 2 Building Products & Equipment names. WMS ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	WMS	Advanced Drainage Systems, Inc. This page	1,835,297	$288,068,215
2	CSL	Carlisle Companies Inc	97	$35,186

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$288,068,215	1,835,297	-10.4%	Shares	Defined	2026-08-06
2026-03-31	$280,752,966	2,047,349	-8.8%	Shares	Defined	2026-05-08
2025-12-31	$325,000,544	2,244,014	-6.3%	Shares	Defined	2026-01-23
2025-09-30	$332,196,346	2,395,071	-3.1%	Shares	Defined	2025-10-31
2025-06-30	$283,992,497	2,472,510	-0.8%	Shares	Defined	2025-08-06
2025-03-31	$270,790,458	2,492,319	-6.6%	Shares	Defined	2025-05-07
2024-12-31	$308,550,849	2,669,125	-12.2%	Shares	Defined	2025-01-31
2024-09-30	$477,592,422	3,038,893	-2.8%	Shares	Defined	2024-11-05
2024-06-30	$501,209,445	3,124,942	-1.7%	Shares	Defined	2024-07-25
2024-03-31	$547,587,818	3,179,214	-6.0%	Shares	Defined	2024-05-01
2023-12-31	$475,432,955	3,380,496	-4.0%	Shares	Defined	2024-01-26
2023-09-30	$400,668,052	3,519,881	-2.5%	Shares	Defined	2023-11-13
2023-06-30	$410,825,672	3,610,702	+40.7%	Shares	Defined	2023-07-28
2023-03-31	$216,106,099	2,566,276	—	Shares	Defined	2023-05-03
No filing history on record for this holder in this stock.