Public Sector Pension Investment Board
PensionPosition in AMTM — Amentum Holdings, Inc.
CIK 1396318
MONTREAL, A8
Position in AMTM
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$14,338,705
-$1,047,709 QoQ
Shares Held
549,797
+3.6% QoQ
Ownership
0.225%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in AMTM Over Time
Shares Held
Position Value (USD)
Position in Specialty Business Services
Industrials · as of Mar 31, 2026Public Sector Pension Investment Board holds $90,855,437 across 11 Specialty Business Services names. AMTM ranks #3 (15.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | UNF |
Unifirst Corp
|
84,919 | $21,364,771 | |
| 2 | AZZ |
Azz Inc
|
129,819 | $16,244,251 | |
| 3 | AMTM |
Amentum Holdings, Inc.
This page
|
549,797 | $14,338,705 | |
| 4 | MMS |
Maximus, Inc.
|
141,299 | $9,057,265 | |
| 5 | CTAS |
Cintas Corp
|
52,272 | $8,841,286 | |
| 6 | ABM |
Abm Industries Inc /De/
|
209,643 | $8,075,448 | |
| 7 | CPRT |
Copart Inc
|
139,944 | $4,646,140 | |
| 8 | GPN |
Global Payments Inc
|
42,628 | $2,868,864 |
All Filings in AMTM
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $14,338,705 | 549,797 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $15,386,414 | 530,566 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $14,321,525 | 597,976 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $12,139,600 | 514,172 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $8,283,347 | 455,129 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $6,502,181 | 309,186 | Shares | Sole | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||