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Granite Investment Partners, LLC

Position in AMTM — Amentum Holdings, Inc.

CIK 1542266 EL SEGUNDO, CA

Position in AMTM

as of Mar 31, 2026 · filed Apr 30, 2026
Position Value
$345,507
-$38,685 QoQ
Shares Held
13,248
0.0% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.02%
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, 2026

Granite Investment Partners, LLC holds $4,417,136 across 3 Specialty Business Services names. AMTM ranks #2 (7.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 AMTM
Amentum Holdings, Inc.
This page
13,248 $345,507

All Filings in AMTM

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7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $345,507 13,248
2025-12-31 $384,192 13,248
2025-09-30 $353,454 14,758
2025-06-30 $471,562 19,973
2025-03-31 $364,964 20,053
2024-12-31 $806,142 38,333
2024-09-30 $1,318,089 40,871