Costello Asset Management, INC
Position in AMTM — Amentum Holdings, Inc.
CIK 1760145
FEASTERVILLE, PA
Position in AMTM
as of Jun 30, 2026
· filed Jul 28, 2026
Position Value
$20
-$6 QoQ
Shares Held
1
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#454
of 458 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in AMTM Over Time
Shares Held
Position Value (USD)
Position in Specialty Business Services
Industrials · as of Jun 30, 2026Costello Asset Management, INC holds $32,304 across 3 Specialty Business Services names. AMTM ranks #3 (0.1% of the industry book) .
All Filings in AMTM
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $20 | 1 | Shares | Sole | 2026-07-28 | |
| 2026-03-31 | $26 | 1 | Shares | Sole | 2026-04-30 | |
| 2025-12-31 | $29 | 1 | Shares | Sole | 2026-02-03 | |
| 2025-09-30 | $23 | 1 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $306 | 13 | Shares | Sole | 2025-07-24 | |
| No filing history on record for this holder in this stock. | ||||||