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NORTHERN TRUST CORP

Bank

Position in AMTM — Amentum Holdings, Inc.

CIK 73124 CHICAGO, IL

Position in AMTM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$21,287,865
-$4,377,591 QoQ
Shares Held
1,029,892
+4.7% QoQ
Ownership
0.421%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#32
of 462 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 95% Shared 5% None 0%

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Position in Specialty Business Services

Industrials · as of Jun 30, 2026

NORTHERN TRUST CORP holds $1,829,385,538 across 33 Specialty Business Services names. AMTM ranks #14 (1.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,287,865 1,029,892
2026-03-31 $25,665,456 984,105
2025-12-31 $27,636,333 952,977
2025-09-30 $22,583,530 942,945
2025-06-30 $22,217,786 941,033
2025-03-31 $15,550,496 854,423
2024-12-31 $17,711,863 842,219
2024-09-30 $4,789,544 148,513