AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 291,441 Value ($000) $8,452 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 289,818 Value ($000) $6,941 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 287,247 Value ($000) $6,782 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 310,103 Value ($000) $5,644 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 295,184 Value ($000) $6,208 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 221,858 Value ($000) $7,155 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	291,441	$8,452	$25.56	$21.11 - $31.87
Q3 2025	289,818	$6,941	$24.35	$21.71 - $26.63
Q2 2025	287,247	$6,782	$20.90	$16.01 - $24.33
Q1 2025	310,103	$5,644	$20.37	$16.95 - $24.30
Q4 2024	295,184	$6,208	$25.85	$18.38 - $34.47
Q3 2024	221,858	$7,155	$28.49	$23.58 - $34.50