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Illinois Municipal Retirement Fund

Pension

Position in AMTM — Amentum Holdings, Inc.

CIK 1541910 OAK BROOK, IL

Position in AMTM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,773,672
-$401,582 QoQ
Shares Held
85,809
+2.9% QoQ
Ownership
0.035%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#120
of 465 holders
Holding Since
Sep 2024
6 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

Illinois Municipal Retirement Fund holds $30,043,480 across 9 Specialty Business Services names. AMTM ranks #7 (5.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 AMTM
Amentum Holdings, Inc.
This page
85,809 $1,773,672

All Filings in AMTM

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,773,672 85,809
2026-03-31 $2,175,254 83,407
2025-09-30 $1,978,940 82,628
2025-06-30 $1,781,421 75,452
2025-03-31 $1,210,427 66,507
2024-09-30 $301,376 9,345