AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q4 2025

Shares 637,986 Value ($000) $18,502 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 399,123 Value ($000) $9,559 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 13,729 Value ($000) $324 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 54,100 Value ($000) $985 Avg Close $20.37 Range $16.95 - $24.30

Q3 2024

Shares 321,096 Value ($000) $10,355 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	637,986	$18,502	$25.56	$21.11 - $31.87
Q3 2025	399,123	$9,559	$24.35	$21.71 - $26.63
Q2 2025	13,729	$324	$20.90	$16.01 - $24.33
Q1 2025	54,100	$985	$20.37	$16.95 - $24.30
Q3 2024	321,096	$10,355	$28.49	$23.58 - $34.50