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De Lisle Partners LLP

Position in AMTM — Amentum Holdings, Inc.

CIK 2011184 POOLE, X0

Position in AMTM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$7,747,488
-$2,158,165 QoQ
Shares Held
374,818
-1.3% QoQ
Ownership
0.153%
of shares outstanding
% of Portfolio
0.85%
of 13F equity value
Holder Rank
#57
of 462 holders
Holding Since
Mar 2026
2 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 Jun 30, 2026

De Lisle Partners LLP holds $12,895,303 across 2 Specialty Business Services names. AMTM ranks #1 (60.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMTM
Amentum Holdings, Inc.
This page
374,818 $7,747,488

All Filings in AMTM

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,747,488 374,818
2026-03-31 $9,905,653 379,818