Position in AMTM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$42,327,370
-$27,102,371 QoQ
Shares Held
1,622,982
-32.2% QoQ
Ownership
0.664%
of shares outstanding
% of Portfolio
0.82%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 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 Mar 31, 2026Ruane, Cunniff & Goldfarb L.P. holds $42,327,370 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
|
1,622,982 | $42,327,370 |
All Filings in AMTM
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $42,327,370 | 1,622,982 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $69,429,741 | 2,394,129 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $58,048,764 | 2,423,748 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $57,649,552 | 2,441,743 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $43,553,309 | 2,393,039 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $51,235,262 | 2,436,294 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $81,608,270 | 2,530,489 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||