AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

ATLAS CAPITAL ADVISORS LLC's Holding History (CIK: 0001434165)

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

Q4 2025

Shares 1,662 Value ($000) $48 Avg Close $25.56 Range $21.11 - $31.87

Q2 2025

Shares 418 Value ($000) $10 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 370 Value ($000) $7 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 370 Value ($000) $8 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 833 Value ($000) $27 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,662	$48	$25.56	$21.11 - $31.87
Q2 2025	418	$10	$20.90	$16.01 - $24.33
Q1 2025	370	$7	$20.37	$16.95 - $24.30
Q4 2024	370	$8	$25.85	$18.38 - $34.47
Q3 2024	833	$27	$28.49	$23.58 - $34.50