Campbell & CO Investment Adviser LLC

Position in ATI — Ati Inc

CIK 1353570 BALTIMORE, MD

Position in ATI

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

Position Value

$761,192

-$960,772 QoQ

Shares Held

5,233

-73.8% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2021

9 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Industrials · as of Mar 31, 2026

Campbell & CO Investment Adviser LLC holds $12,148,266 across 6 Metal Fabrication names. ATI ranks #5 (6.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CMC	COMMERCIAL METALS Co	124,232	$7,631,571
2	MLI	Mueller Industries Inc	13,801	$1,529,150
3	IIIN	Insteel Industries Inc	27,357	$919,468
4	PRLB	Proto Labs Inc	15,188	$866,019
5	ATI	Ati Inc This page	5,233	$761,192
6	ESAB	ESAB Corp	4,561	$440,866

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$761,192	5,233	-73.8%	Shares	Sole	2026-05-15
2025-06-30	$1,721,964	19,944	+216.9%	Shares	Sole	2025-08-07
2024-06-30	$349,002	6,294	-0.8%	Shares	Sole	2024-08-13
2024-03-31	$324,520	6,342	-79.9%	Shares	Sole	2024-05-10
2023-12-31	$1,434,714	31,553	+203.2%	Shares	Sole	2024-02-13
2023-03-31	$410,699	10,408	-69.7%	Shares	Sole	2023-05-11
2022-09-30	$914,346	34,361	-53.9%	Shares	Sole	2022-11-14
2022-06-30	$1,693,507	74,571	+58.0%	Shares	Sole	2022-08-09
2021-09-30	$784,886	47,197	—	Shares	Sole	2021-11-10
No filing history on record for this holder in this stock.