AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 18,948 Value ($000) $549 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 19,688 Value ($000) $472 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 60,778 Value ($000) $1,435 Avg Close $20.90 Range $16.01 - $24.33

Q4 2024

Shares 2,333,221 Value ($000) $49,068 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 935,078 Value ($000) $30,156 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,948	$549	$25.56	$21.11 - $31.87
Q3 2025	19,688	$472	$24.35	$21.71 - $26.63
Q2 2025	60,778	$1,435	$20.90	$16.01 - $24.33
Q4 2024	2,333,221	$49,068	$25.85	$18.38 - $34.47
Q3 2024	935,078	$30,156	$28.49	$23.58 - $34.50