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Public Sector Pension Investment Board

Pension

Position in AMTM — Amentum Holdings, Inc.

CIK 1396318 MONTREAL, A8

Position in AMTM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$10,930,730
-$3,407,975 QoQ
Shares Held
528,821
-3.8% QoQ
Ownership
0.216%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#48
of 461 holders
Holding Since
Dec 2024
7 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

Public Sector Pension Investment Board holds $129,627,827 across 13 Specialty Business Services names. AMTM ranks #6 (8.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 AMTM
Amentum Holdings, Inc.
This page
528,821 $10,930,730

All Filings in AMTM

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,930,730 528,821
2026-03-31 $14,338,705 549,797
2025-12-31 $15,386,414 530,566
2025-09-30 $14,321,525 597,976
2025-06-30 $12,139,600 514,172
2025-03-31 $8,283,347 455,129
2024-12-31 $6,502,181 309,186