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OpenArc Corporate Advisory, LLC

Position in AMTM — Amentum Holdings, Inc.

CIK 2111345 ATLANTA, GA

Position in AMTM

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$4,442,780
-$1,366,645 QoQ
Shares Held
170,352
-15.0% QoQ
Ownership
0.070%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Position in Specialty Business Services

Industrials · as of Mar 31, 2026

OpenArc Corporate Advisory, LLC holds $8,381,444 across 8 Specialty Business Services names. AMTM ranks #1 (53.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMTM
Amentum Holdings, Inc.
This page
170,352 $4,442,780

All Filings in AMTM

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,442,780 170,352
2025-12-31 $5,809,425 200,325