AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 44,821 Value ($000) $1,300 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 49,265 Value ($000) $1,180 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 64,723 Value ($000) $1,528 Avg Close $20.90 Range $16.01 - $24.33

Q4 2024

Shares 90,065 Value ($000) $1,894 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 7,392 Value ($000) $238 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	44,821	$1,300	$25.56	$21.11 - $31.87
Q3 2025	49,265	$1,180	$24.35	$21.71 - $26.63
Q2 2025	64,723	$1,528	$20.90	$16.01 - $24.33
Q4 2024	90,065	$1,894	$25.85	$18.38 - $34.47
Q3 2024	7,392	$238	$28.49	$23.58 - $34.50