GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

UBS ASSET MANAGEMENT AMERICAS INC's Holding History (CIK: 0000861177)

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

Q4 2025

Shares 122,030 Value ($000) $1,601 Avg Close $12.32 Range $10.71 - $14.02

Q3 2025

Shares 128,331 Value ($000) $1,539 Avg Close $11.59 Range $10.37 - $12.56

Q2 2025

Shares 274,465 Value ($000) $3,346 Avg Close $10.40 Range $7.51 - $12.46

Q1 2025

Shares 246,766 Value ($000) $2,147 Avg Close $9.98 Range $7.58 - $12.54

Q4 2024

Shares 243,724 Value ($000) $2,752 Avg Close $11.96 Range $10.25 - $12.89

Q3 2024

Shares 213,330 Value ($000) $2,246 Avg Close $9.29 Range $7.76 - $10.93

Q2 2024

Shares 200,127 Value ($000) $1,757 Avg Close $8.50 Range $6.55 - $9.76

Q1 2024

Shares 162,419 Value ($000) $1,421 Avg Close $8.23 Range $7.01 - $9.78

Q4 2023

Shares 162,419 Value ($000) $1,247 Avg Close $7.28 Range $6.12 - $8.28

Q3 2023

Shares 163,426 Value ($000) $1,303 Avg Close $8.29 Range $7.53 - $9.67

Q2 2023

Shares 130,081 Value ($000) $706 Avg Close $6.49 Range $5.20 - $8.26

Q1 2023

Shares 130,081 Value ($000) $706 Avg Close $5.99 Range $4.75 - $7.10

Q4 2022

Shares 89,863 Value ($000) $535 Avg Close $7.03 Range $5.52 - $8.25

Q3 2022

Shares 79,219 Value ($000) $600,481 Avg Close $10.47 Range $7.57 - $13.17

Q2 2022

Shares 79,219 Value ($000) $1,038,563 Avg Close $14.19 Range $12.87 - $15.40

Q1 2022

Shares 75,505 Value ($000) $1,059,334 Avg Close $14.39 Range $13.24 - $16.27

Q4 2021

Shares 74,498 Value ($000) $1,171,107 Avg Close $15.22 Range $14.26 - $16.25

Q3 2021

Shares 74,538 Value ($000) $1,124,778 Avg Close $14.86 Range $13.50 - $15.96

Q2 2021

Shares 73,566 Value ($000) $1,074,800 Avg Close $14.77 Range $13.32 - $16.28

Q1 2021

Shares 72,448 Value ($000) $1,056,292 Avg Close $14.58 Range $12.87 - $16.12

Q4 2020

Shares 72,448 Value ($000) $954,140 Avg Close $11.20 Range $9.10 - $13.39

Q3 2020

Shares 67,371 Value ($000) $640,699 Avg Close $9.17 Range $8.17 - $10.57

Q2 2020

Shares 63,920 Value ($000) $591,899 Avg Close $8.75 Range $7.42 - $10.80

Q1 2020

Shares 60,394 Value ($000) $501,270 Avg Close $9.96 Range $6.75 - $11.96

Q4 2019

Shares 65,899 Value ($000) $746,635 Avg Close $10.68 Range $9.02 - $11.94

Q3 2019

Shares 61,320 Value ($000) $640,794 Avg Close $10.57 Range $9.39 - $11.81

Q2 2019

Shares 49,924 Value ($000) $551,160 Avg Close $10.32 Range $8.86 - $11.45

Q1 2019

Shares 44,165 Value ($000) $393,510 Avg Close $7.78 Range $6.43 - $9.21

Q4 2018

Shares 30,456 Value ($000) $201,619 Avg Close $6.52 Range $5.37 - $7.94

Q3 2018

Shares 30,456 Value ($000) $188,827 Avg Close $5.57 Range $4.85 - $6.20

Q2 2018

Shares 30,456 Value ($000) $159,894 Avg Close $4.93 Range $4.38 - $5.45

Q1 2018

Shares 30,456 Value ($000) $140,097 Avg Close $4.74 Range $4.15 - $5.50

Q4 2017

Shares 30,456 Value ($000) $164,463 Avg Close $5.09 Range $4.22 - $5.70

Q3 2017

Shares 24,397 Value ($000) $118,325 Avg Close $4.17 Range $3.60 - $5.15

Q2 2017

Shares 24,397 Value ($000) $104,907 Avg Close $4.36 Range $3.73 - $4.90

Q1 2017

Shares 24,397 Value ($000) $97,588 Avg Close $4.59 Range $3.85 - $5.45

Q4 2016

Shares 24,397 Value ($000) $102 Avg Close $4.06 Range $3.05 - $5.00

Q3 2016

Shares 50,097 Value ($000) $175 Avg Close $4.04 Range $3.49 - $4.97

Q2 2016

Shares 50,097 Value ($000) $218 Avg Close $4.50 Range $3.96 - $5.09

Q1 2016

Shares 50,097 Value ($000) $224 Avg Close $3.58 Range $2.96 - $4.50

Q4 2015

Shares 51,697 Value ($000) $205 Avg Close $4.43 Range $3.66 - $5.88

Q3 2015

Shares 51,697 Value ($000) $260 Avg Close $5.48 Range $5.00 - $6.17

Q2 2015

Shares 39,697 Value ($000) $237 Avg Close $5.87 Range $5.33 - $6.30

Q1 2015

Shares 38,097 Value ($000) $229 Avg Close $7.05 Range $5.53 - $8.64

Q4 2014

Shares 35,997 Value ($000) $308 Avg Close $7.24 Range $5.84 - $8.73

Q3 2014

Shares 30,197 Value ($000) $187 Avg Close $7.38 Range $6.16 - $8.29

Q2 2014

Shares 14,597 Value ($000) $117 Avg Close $8.15 Range $7.36 - $9.20

Q1 2014

Shares 14,597 Value ($000) $133 Avg Close $8.52 Range $7.45 - $9.44

Q4 2013

Shares 14,597 Value ($000) $134 Avg Close $8.38 Range $6.99 - $9.33

Q3 2013

Shares 35,797 Value ($000) $266 Avg Close $7.43 Range $6.28 - $8.69

Q2 2013

Shares 35,797 Value ($000) $280 Avg Close $7.58 Range $6.30 - $8.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	122,030	$1,601	$12.32	$10.71 - $14.02
Q3 2025	128,331	$1,539	$11.59	$10.37 - $12.56
Q2 2025	274,465	$3,346	$10.40	$7.51 - $12.46
Q1 2025	246,766	$2,147	$9.98	$7.58 - $12.54
Q4 2024	243,724	$2,752	$11.96	$10.25 - $12.89
Q3 2024	213,330	$2,246	$9.29	$7.76 - $10.93
Q2 2024	200,127	$1,757	$8.50	$6.55 - $9.76
Q1 2024	162,419	$1,421	$8.23	$7.01 - $9.78
Q4 2023	162,419	$1,247	$7.28	$6.12 - $8.28
Q3 2023	163,426	$1,303	$8.29	$7.53 - $9.67
Q2 2023	130,081	$706	$6.49	$5.20 - $8.26
Q1 2023	130,081	$706	$5.99	$4.75 - $7.10
Q4 2022	89,863	$535	$7.03	$5.52 - $8.25
Q3 2022	79,219	$600,481	$10.47	$7.57 - $13.17
Q2 2022	79,219	$1,038,563	$14.19	$12.87 - $15.40
Q1 2022	75,505	$1,059,334	$14.39	$13.24 - $16.27
Q4 2021	74,498	$1,171,107	$15.22	$14.26 - $16.25
Q3 2021	74,538	$1,124,778	$14.86	$13.50 - $15.96
Q2 2021	73,566	$1,074,800	$14.77	$13.32 - $16.28
Q1 2021	72,448	$1,056,292	$14.58	$12.87 - $16.12
Q4 2020	72,448	$954,140	$11.20	$9.10 - $13.39
Q3 2020	67,371	$640,699	$9.17	$8.17 - $10.57
Q2 2020	63,920	$591,899	$8.75	$7.42 - $10.80
Q1 2020	60,394	$501,270	$9.96	$6.75 - $11.96
Q4 2019	65,899	$746,635	$10.68	$9.02 - $11.94
Q3 2019	61,320	$640,794	$10.57	$9.39 - $11.81
Q2 2019	49,924	$551,160	$10.32	$8.86 - $11.45
Q1 2019	44,165	$393,510	$7.78	$6.43 - $9.21
Q4 2018	30,456	$201,619	$6.52	$5.37 - $7.94
Q3 2018	30,456	$188,827	$5.57	$4.85 - $6.20
Q2 2018	30,456	$159,894	$4.93	$4.38 - $5.45
Q1 2018	30,456	$140,097	$4.74	$4.15 - $5.50
Q4 2017	30,456	$164,463	$5.09	$4.22 - $5.70
Q3 2017	24,397	$118,325	$4.17	$3.60 - $5.15
Q2 2017	24,397	$104,907	$4.36	$3.73 - $4.90
Q1 2017	24,397	$97,588	$4.59	$3.85 - $5.45
Q4 2016	24,397	$102	$4.06	$3.05 - $5.00
Q3 2016	50,097	$175	$4.04	$3.49 - $4.97
Q2 2016	50,097	$218	$4.50	$3.96 - $5.09
Q1 2016	50,097	$224	$3.58	$2.96 - $4.50
Q4 2015	51,697	$205	$4.43	$3.66 - $5.88
Q3 2015	51,697	$260	$5.48	$5.00 - $6.17
Q2 2015	39,697	$237	$5.87	$5.33 - $6.30
Q1 2015	38,097	$229	$7.05	$5.53 - $8.64
Q4 2014	35,997	$308	$7.24	$5.84 - $8.73
Q3 2014	30,197	$187	$7.38	$6.16 - $8.29
Q2 2014	14,597	$117	$8.15	$7.36 - $9.20
Q1 2014	14,597	$133	$8.52	$7.45 - $9.44
Q4 2013	14,597	$134	$8.38	$6.99 - $9.33
Q3 2013	35,797	$266	$7.43	$6.28 - $8.69
Q2 2013	35,797	$280	$7.58	$6.30 - $8.66