Holocene Advisors, LP

Position in AMTM — Amentum Holdings, Inc.

CIK 1700574 New York, NY

Position in AMTM

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,840,394

-$1,372,583 QoQ

Shares Held

89,037

-27.7% QoQ

Ownership

0.036%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#117

of 458 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Holocene Advisors, LP holds $175,112,412 across 5 Specialty Business Services names. AMTM ranks #4 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RBA	Rb Global Inc.	1,409,745	$164,164,805
2	DLB	Dolby Laboratories, Inc.	82,109	$4,317,291
3	CTAS	Cintas Corp	19,148	$3,256,691
4	AMTM	Amentum Holdings, Inc. This page	89,037	$1,840,394
5	CBZ	CBIZ, Inc.	47,794	$1,533,231

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,840,394	89,037	-27.7%	Shares	Sole	2026-08-14
2026-03-31	$3,212,977	123,197	+55.3%	Shares	Sole	2026-05-15
2025-12-31	$2,300,309	79,321	+73.1%	Shares	Sole	2026-02-17
2025-09-30	$1,097,245	45,814	—	Shares	Sole	2025-11-14
No filing history on record for this holder in this stock.