FIRST NATIONAL BANK OF OMAHA

Bank

Position in AMTM — Amentum Holdings, Inc.

CIK 36644 OMAHA, NE

Position in AMTM

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$6,467,943

+$1,314,643 QoQ

Shares Held

248,004

+39.6% QoQ

Ownership

0.102%

of shares outstanding

% of Portfolio

0.30%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 97% Shared 0% None 3%

Industrials · as of Mar 31, 2026

FIRST NATIONAL BANK OF OMAHA holds $10,204,392 across 4 Specialty Business Services names. AMTM ranks #1 (63.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMTM	Amentum Holdings, Inc. This page	248,004	$6,467,943
2	CTAS	Cintas Corp	18,321	$3,098,813
3	CASS	Cass Information Systems Inc	8,030	$353,480
4	TRI	Thomson Reuters Corp /Can/	3,158	$284,156

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,467,943	248,004	+39.6%	Shares	Other	2026-05-11
2025-12-31	$5,153,300	177,700	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.