GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2025

Shares 50,021 Value ($000) $656 Avg Close $12.32 Range $10.71 - $14.02

Q3 2025

Shares 30,435 Value ($000) $365 Avg Close $11.59 Range $10.37 - $12.56

Q3 2020

Shares 29,985 Value ($000) $285 Avg Close $9.17 Range $8.17 - $10.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	50,021	$656	$12.32	$10.71 - $14.02
Q3 2025	30,435	$365	$11.59	$10.37 - $12.56
Q3 2020	29,985	$285	$9.17	$8.17 - $10.57