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CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in AMTM — Amentum Holdings, Inc.

CIK 1081019 WEST SACRAMENTO, CA

Position in AMTM

as of Jun 30, 2026 · filed Aug 24, 2026
Position Value
$3,787,219
-$1,025,975 QoQ
Shares Held
183,223
-0.7% QoQ
Ownership
0.075%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#88
of 461 holders
Holding Since
Sep 2024
8 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

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $216,324,201 across 26 Specialty Business Services names. AMTM ranks #8 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 AMTM
Amentum Holdings, Inc.
This page
183,223 $3,787,219

All Filings in AMTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,787,219 183,223
2026-03-31 $4,813,194 184,555
2025-12-31 $4,347,448 149,912
2025-09-30 $3,887,803 162,330
2025-06-30 $3,831,832 162,297
2025-03-31 $2,387,366 131,174
2024-12-31 $2,763,741 131,419
2024-09-30 $6,985,382 216,601