Position in AMTM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$6,580,563
-$959,504 QoQ
Shares Held
318,363
+10.1% QoQ
Ownership
0.130%
of shares outstanding
% of Portfolio
4.87%
of 13F equity value
Holder Rank
#66
of 462 holders
Holding Since
Mar 2025
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, 2026GRIZZLYROCK CAPITAL, LLC holds $6,580,563 across 1 Specialty Business Services name. AMTM ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMTM |
Amentum Holdings, Inc.
This page
|
318,363 | $6,580,563 |
All Filings in AMTM
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,580,563 | 318,363 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $7,540,067 | 289,113 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $8,268,277 | 285,113 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,780,556 | 283,113 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $5,981,900 | 253,363 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,988,913 | 164,226 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||