MAI Capital Management

Position in ARQ — Arq, Inc.

CIK 1040197 INDEPENDENCE, OH

Position in ARQ

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

Position Value

$2,936

+$2,730 QoQ

Shares Held

1,147

+1720.6% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

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

Industrials · as of Mar 31, 2026

MAI Capital Management holds $13,785,248 across 6 Pollution & Treatment Controls names. ARQ ranks #4 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZWS	Zurn Elkay Water Solutions Corp	293,787	$13,173,409
2	VLTO	Veralto Corp	6,573	$581,184
3	CECO	Ceco Environmental Corp	424	$25,261
4	ARQ	Arq, Inc. This page	1,147	$2,936
5	PCT	PureCycle Technologies, Inc.	435	$2,257
6	ERII	Energy Recovery, Inc.	20	$201

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,936	1,147	+1720.6%	Shares	Sole	2026-05-15
2025-12-31	$206	63	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.