MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 23,507 Value ($000) $1,716 Avg Close $74.39 Range $65.04 - $85.33

Q3 2025

Shares 34,617 Value ($000) $2,679 Avg Close $62.18 Range $49.54 - $78.75

Q2 2025

Shares 69,485 Value ($000) $3,742 Avg Close $48.71 Range $39.89 - $54.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,507	$1,716	$74.39	$65.04 - $85.33
Q3 2025	34,617	$2,679	$62.18	$49.54 - $78.75
Q2 2025	69,485	$3,742	$48.71	$39.89 - $54.32