AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

OPPENHEIMER & CO INC's Holding History (CIK: 0000822581)

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

Q3 2025

Shares 75,483 Value ($000) $1,808 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 9,163 Value ($000) $216 Avg Close $20.90 Range $16.01 - $24.33

Q4 2024

Shares 10,621 Value ($000) $223 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 45,633 Value ($000) $1,472 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	75,483	$1,808	$24.35	$21.71 - $26.63
Q2 2025	9,163	$216	$20.90	$16.01 - $24.33
Q4 2024	10,621	$223	$25.85	$18.38 - $34.47
Q3 2024	45,633	$1,472	$28.49	$23.58 - $34.50