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Marex Group plc

Position in AMTM — Amentum Holdings, Inc.

CIK 1997464 London, X0

Position in AMTM

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$1,383,361
+$1,006,303 QoQ
Shares Held
53,043
+308.0% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Position in Specialty Business Services

Industrials · as of Mar 31, 2026

Marex Group plc holds $2,194,501 across 3 Specialty Business Services names. AMTM ranks #1 (63.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMTM
Amentum Holdings, Inc.
This page
53,043 $1,383,361

All Filings in AMTM

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3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,383,361 53,043
2025-12-31 $377,058 13,002
2025-06-30 $1,180,500 50,000