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Rosenberg Matthew Hamilton

Position in AMTM — Amentum Holdings, Inc.

CIK 1812103 GRAND JUNCTION, CO

Position in AMTM

as of Jun 30, 2026 · filed Jul 17, 2026
Position Value
$2,046
-$535 QoQ
Shares Held
99
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#387
of 458 holders
Holding Since
Sep 2024
8 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

Rosenberg Matthew Hamilton holds $252,930 across 3 Specialty Business Services names. AMTM ranks #2 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 AMTM
Amentum Holdings, Inc.
This page
99 $2,046

All Filings in AMTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,046 99
2026-03-31 $2,581 99
2025-12-31 $2,871 99
2025-09-30 $2,371 99
2025-06-30 $2,337 99
2025-03-31 $1,710 94
2024-12-31 $1,976 94
2024-09-30 $3,031 94