GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2024
Shares 92,197 Value ($000) $1,041 Avg Close $11.96 Range $10.25 - $12.89
Q3 2024
Shares 258,137 Value ($000) $2,718 Avg Close $9.29 Range $7.76 - $10.93
Q2 2024
Shares 207,626 Value ($000) $1,823 Avg Close $8.50 Range $6.55 - $9.76
Q4 2023
Shares 98,464 Value ($000) $756 Avg Close $7.28 Range $6.12 - $8.28
Q3 2023
Shares 166,196 Value ($000) $1,325 Avg Close $8.29 Range $7.53 - $9.67
Q2 2023
Shares 43,541 Value ($000) $355 Avg Close $6.49 Range $5.20 - $8.26
Q1 2023
Shares 193,045 Value ($000) $1,048 Avg Close $5.99 Range $4.75 - $7.10
Q4 2022
Shares 25,737 Value ($000) $153 Avg Close $7.03 Range $5.52 - $8.25
Q1 2020
Shares 91,100 Value ($000) $756 Avg Close $9.96 Range $6.75 - $11.96
Q4 2019
Shares 1,045 Value ($000) $12 Avg Close $10.68 Range $9.02 - $11.94