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Horizon Investments, LLC

Position in AMTM — Amentum Holdings, Inc.

CIK 1560717 Charlotte, NC

Position in AMTM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$91,092
-$6,003 QoQ
Shares Held
4,407
+18.4% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#280
of 461 holders
Holding Since
Dec 2024
5 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

Horizon Investments, LLC holds $12,113,460 across 8 Specialty Business Services names. AMTM ranks #7 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 AMTM
Amentum Holdings, Inc.
This page
4,407 $91,092

All Filings in AMTM

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $91,092 4,407
2026-03-31 $97,095 3,723
2025-09-30 $383 16
2025-06-30 $2,667 113
2024-12-31 $36,003 1,712