AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 103,682 Value ($000) $3,007 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 91,398 Value ($000) $2,189 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 91,857 Value ($000) $2,169 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 95,714 Value ($000) $1,742 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 74,623 Value ($000) $1,569 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 110,257 Value ($000) $3,556 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	103,682	$3,007	$25.56	$21.11 - $31.87
Q3 2025	91,398	$2,189	$24.35	$21.71 - $26.63
Q2 2025	91,857	$2,169	$20.90	$16.01 - $24.33
Q1 2025	95,714	$1,742	$20.37	$16.95 - $24.30
Q4 2024	74,623	$1,569	$25.85	$18.38 - $34.47
Q3 2024	110,257	$3,556	$28.49	$23.58 - $34.50