ArrowMark Colorado Holdings LLC

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1483859 Denver, CO

Position in WMS

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$9,417,600

-$44,370 QoQ

Shares Held

60,000

-13.0% QoQ

Ownership

0.080%

of shares outstanding

% of Portfolio

0.39%

of 13F equity value

Holder Rank

#130

of 543 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

ArrowMark Colorado Holdings LLC holds $57,291,982 across 6 Building Products & Equipment names. WMS ranks #2 (16.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SPXC	SPX Technologies, Inc.	99,596	$24,417,951
2	WMS	Advanced Drainage Systems, Inc. This page	60,000	$9,417,600
3	AAON	Aaon, Inc.	72,369	$9,180,731
4	NPKI	NPK International Inc.	400,141	$6,366,243
5	AWI	Armstrong World Industries Inc	27,161	$4,357,167
6	LII	Lennox International Inc	6,200	$3,552,290

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,417,600	60,000	-13.0%	Shares	Sole	2026-08-13
2026-03-31	$9,461,970	69,000	+4.5%	Shares	Sole	2026-05-15
2025-12-31	$9,558,780	66,000	0.0%	Shares	Sole	2026-02-17
2025-09-30	$9,154,200	66,000	+144.4%	Shares	Sole	2025-11-14
2025-06-30	$3,101,220	27,000	-57.0%	Shares	Sole	2025-08-14
2022-03-31	$7,461,268	62,800	-18.0%	Shares	Sole	2022-05-16
2021-12-31	$10,429,055	76,611	0.0%	Shares	Sole	2022-02-14
2021-09-30	$8,287,011	76,611	0.0%	Shares	Sole	2021-11-15
2021-06-30	$8,930,544	76,611	0.0%	Shares	Sole	2021-08-16
2021-03-31	$7,920,811	76,611	-24.6%	Shares	Sole	2021-05-17
2020-12-31	$8,492,647	101,611	-27.2%	Shares	Sole	2021-02-16
2020-09-30	$8,717,310	139,611	-28.6%	Shares	Sole	2020-11-16
2020-06-30	$9,663,183	195,611	-39.6%	Shares	Sole	2020-08-14
2020-03-31	$9,538,560	324,000	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.