A detailed history of William Blair Investment Management, LLC transactions in Great Lakes Dredge & Dock Corp stock. As of the latest transaction made, William Blair Investment Management, LLC holds 2,445,074 shares of GLDD stock, worth $21.5 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares
2,445,074
Previous 2,446,572 0.06%
Holding current value
$21.5 Million
Previous $18.8 Million 13.86%
% of portfolio
0.06%
Previous 0.06%

Shares

12 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 08, 2024

SELL
$7.12 - $9.55 $10,665 - $14,305
-1,498 Reduced 0.06%
2,445,074 $21.4 Million
Q4 2023

Feb 09, 2024

SELL
$6.25 - $8.16 $311,206 - $406,310
-49,793 Reduced 1.99%
2,446,572 $18.8 Million
Q3 2023

Nov 09, 2023

SELL
$7.57 - $9.45 $1.44 Million - $1.8 Million
-190,059 Reduced 7.07%
2,496,365 $19.9 Million
Q2 2023

Aug 10, 2023

BUY
$5.27 - $8.16 $261,908 - $405,535
49,698 Added 1.88%
2,686,424 $21.9 Million
Q1 2023

May 12, 2023

BUY
$4.8 - $7.0 $91,214 - $133,021
19,003 Added 0.73%
2,636,726 $14.3 Million
Q4 2022

Feb 09, 2023

SELL
$5.67 - $8.09 $625,905 - $893,047
-110,389 Reduced 4.05%
2,617,723 $15.6 Million
Q3 2022

Nov 09, 2022

SELL
$7.58 - $12.99 $364,628 - $624,870
-48,104 Reduced 1.73%
2,728,112 $20.7 Million
Q2 2022

Aug 10, 2022

SELL
$13.11 - $15.37 $929,472 - $1.09 Million
-70,898 Reduced 2.49%
2,776,216 $36.4 Million
Q1 2022

May 11, 2022

BUY
$13.4 - $16.07 $3.35 Million - $4.02 Million
249,846 Added 9.62%
2,847,114 $39.9 Million
Q4 2021

Feb 14, 2022

SELL
$14.35 - $16.16 $6.01 Million - $6.77 Million
-418,999 Reduced 13.89%
2,597,268 $40.8 Million
Q3 2021

Nov 10, 2021

BUY
$14.08 - $15.76 $42.4 Million - $47.4 Million
3,009,857 Added 46955.65%
3,016,267 $45.5 Million
Q2 2021

Aug 12, 2021

BUY
$13.54 - $16.17 $86,791 - $103,649
6,410 New
6,410 $94,000

Others Institutions Holding GLDD

About Great Lakes Dredge & Dock CORP


  • Ticker GLDD
  • Exchange NASDAQ
  • Sector Industrials
  • Industry Engineering & Construction
  • Shares Outstandng 66,083,300
  • Market Cap $580M
  • Description
  • Great Lakes Dredge & Dock Corporation provides dredging services in the United States. The company engages in capital dredging that consists of port expansion projects; coastal restoration and land reclamations; trench digging for pipelines, tunnels, and cables; and other dredging related to the construction of breakwaters, jetties, canals, ...
More about GLDD
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