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FMR LLC

Position in AMTM — Amentum Holdings, Inc.

CIK 315066 BOSTON, MA

Position in AMTM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$117,388,544
-$28,095,761 QoQ
Shares Held
5,679,175
+1.8% QoQ
Ownership
2.32%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#8
of 462 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Position in Specialty Business Services

Industrials · as of Jun 30, 2026

FMR LLC holds $3,822,707,854 across 33 Specialty Business Services names. AMTM ranks #11 (3.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMTM

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $117,388,544 5,679,175
2026-03-31 $145,484,305 5,578,386
2025-12-31 $194,511,816 6,707,304
2025-09-30 $149,334,212 6,235,249
2025-06-30 $107,990,486 4,573,930
2025-03-31 $80,242,870 4,408,949
2024-12-31 $50,367,962 2,395,053
2024-09-30 $2,557,908 79,315