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Atom Investors LP

Position in AMTM — Amentum Holdings, Inc.

CIK 1738902 AUSTIN, TX

Position in AMTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$595,015
-$673,358 QoQ
Shares Held
22,815
-47.8% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 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

Atom Investors LP holds $10,644,578 across 7 Specialty Business Services names. AMTM ranks #4 (5.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 AMTM
Amentum Holdings, Inc.
This page
22,815 $595,015

All Filings in AMTM

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3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $595,015 22,815
2025-12-31 $1,268,373 43,737
2025-09-30 $3,455,529 144,281