ArrowMark Colorado Holdings LLC

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1483859 Denver, CO

Position in WMS

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$9,461,970

-$96,810 QoQ

Shares Held

69,000

+4.5% QoQ

Ownership

0.090%

of shares outstanding

% of Portfolio

0.26%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

ArrowMark Colorado Holdings LLC holds $84,325,806 across 4 Building Products & Equipment names. WMS ranks #3 (11.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SPXC	SPX Technologies, Inc.	217,418	$43,470,554
2	AAON	Aaon, Inc.	280,196	$23,186,219
3	WMS	Advanced Drainage Systems, Inc. This page	69,000	$9,461,970
4	NPKI	NPK International Inc.	566,395	$8,207,063

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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
2021-06-30	$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	-56.9%	Shares	Sole	2020-11-16
2020-03-31	$9,538,560	324,000	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.