AMERICAN CENTURY COMPANIES INC

Position in ARQ — Arq, Inc.

CIK 748054 KANSAS CITY, MO

Position in ARQ

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

Position Value

$166,699

-$109,145 QoQ

Shares Held

65,117

-22.8% QoQ

Ownership

0.152%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#30

of 95 holders

Holding Since

Sep 2024

7 quarters on record

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

Industrials · as of Mar 31, 2026

AMERICAN CENTURY COMPANIES INC holds $144,719,659 across 5 Pollution & Treatment Controls names. ARQ ranks #4 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp	1,894,177	$112,855,065
2	VLTO	Veralto Corp	330,682	$29,238,902
3	ZWS	Zurn Elkay Water Solutions Corp	52,543	$2,356,028
4	ARQ	Arq, Inc. This page	65,117	$166,699
5	ERII	Energy Recovery, Inc.	10,225	$102,965

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$166,699	65,117	-22.8%	Shares	Defined	2026-05-15
2025-12-31	$275,844	84,356	+4.8%	Shares	Defined	2026-02-13
2025-09-30	$576,179	80,472	+31.1%	Shares	Defined	2025-11-12
2025-06-30	$329,524	61,364	+16.6%	Shares	Defined	2025-08-12
2025-03-31	$219,517	52,642	+36.0%	Shares	Defined	2025-05-13
2024-12-31	$293,087	38,717	+32.3%	Shares	Defined	2025-02-11
2024-09-30	$171,844	29,275	—	Shares	Defined	2024-11-12
No filing history on record for this holder in this stock.