AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2025

Shares 15,411,745 Value ($000) $446,941 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 15,554,691 Value ($000) $372,535 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 16,533,825 Value ($000) $390,364 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 16,342,560 Value ($000) $297,435 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 16,542,447 Value ($000) $347,888 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 14,013,274 Value ($000) $451,928 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,411,745	$446,941	$25.56	$21.11 - $31.87
Q3 2025	15,554,691	$372,535	$24.35	$21.71 - $26.63
Q2 2025	16,533,825	$390,364	$20.90	$16.01 - $24.33
Q1 2025	16,342,560	$297,435	$20.37	$16.95 - $24.30
Q4 2024	16,542,447	$347,888	$25.85	$18.38 - $34.47
Q3 2024	14,013,274	$451,928	$28.49	$23.58 - $34.50