GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 554,348 Value ($000) $7,273 Avg Close $12.32 Range $10.71 - $14.02

Q3 2025

Shares 561,705 Value ($000) $6,735 Avg Close $11.59 Range $10.37 - $12.56

Q2 2025

Shares 556,440 Value ($000) $6,783 Avg Close $10.40 Range $7.51 - $12.46

Q1 2025

Shares 536,718 Value ($000) $4,669 Avg Close $9.98 Range $7.58 - $12.54

Q4 2024

Shares 691,988 Value ($000) $7,813 Avg Close $11.96 Range $10.25 - $12.89

Q3 2024

Shares 824,116 Value ($000) $8,678 Avg Close $9.29 Range $7.76 - $10.93

Q2 2024

Shares 953,735 Value ($000) $8,374 Avg Close $8.50 Range $6.55 - $9.76

Q1 2024

Shares 1,064,066 Value ($000) $9,311 Avg Close $8.23 Range $7.01 - $9.78

Q4 2023

Shares 1,090,783 Value ($000) $8,377 Avg Close $7.28 Range $6.12 - $8.28

Q3 2023

Shares 1,050,104 Value ($000) $8,369 Avg Close $8.29 Range $7.53 - $9.67

Q2 2023

Shares 1,002,013 Value ($000) $8,176 Avg Close $6.49 Range $5.20 - $8.26

Q1 2023

Shares 928,829 Value ($000) $5,044 Avg Close $5.99 Range $4.75 - $7.10

Q4 2022

Shares 824,658 Value ($000) $4,907 Avg Close $7.03 Range $5.52 - $8.25

Q3 2022

Shares 739,105 Value ($000) $5,603 Avg Close $10.47 Range $7.57 - $13.17

Q2 2022

Shares 688,468 Value ($000) $9,026 Avg Close $14.19 Range $12.87 - $15.40

Q1 2022

Shares 668,216 Value ($000) $9,376 Avg Close $14.39 Range $13.24 - $16.27

Q4 2021

Shares 634,496 Value ($000) $9,975 Avg Close $15.22 Range $14.26 - $16.25

Q3 2021

Shares 575,520 Value ($000) $8,685 Avg Close $14.86 Range $13.50 - $15.96

Q2 2021

Shares 519,563 Value ($000) $7,591 Avg Close $14.77 Range $13.32 - $16.28

Q1 2021

Shares 467,980 Value ($000) $6,824 Avg Close $14.58 Range $12.87 - $16.12

Q4 2020

Shares 428,772 Value ($000) $5,647 Avg Close $11.20 Range $9.10 - $13.39

Q3 2020

Shares 426,867 Value ($000) $4,060 Avg Close $9.17 Range $8.17 - $10.57

Q2 2020

Shares 429,783 Value ($000) $3,980 Avg Close $8.75 Range $7.42 - $10.80

Q1 2020

Shares 389,633 Value ($000) $3,234 Avg Close $9.96 Range $6.75 - $11.96

Q4 2019

Shares 622,323 Value ($000) $7,051 Avg Close $10.68 Range $9.02 - $11.94

Q3 2019

Shares 682,446 Value ($000) $7,132 Avg Close $10.57 Range $9.39 - $11.81

Q2 2019

Shares 804,893 Value ($000) $8,887 Avg Close $10.32 Range $8.86 - $11.45

Q1 2019

Shares 689,255 Value ($000) $6,142 Avg Close $7.78 Range $6.43 - $9.21

Q4 2018

Shares 327,569 Value ($000) $2,169 Avg Close $6.52 Range $5.37 - $7.94

Q3 2018

Shares 332,009 Value ($000) $2,059 Avg Close $5.57 Range $4.85 - $6.20

Q2 2018

Shares 312,890 Value ($000) $1,643 Avg Close $4.93 Range $4.38 - $5.45

Q1 2018

Shares 278,770 Value ($000) $1,283 Avg Close $4.74 Range $4.15 - $5.50

Q4 2017

Shares 269,644 Value ($000) $1,457 Avg Close $5.09 Range $4.22 - $5.70

Q3 2017

Shares 234,260 Value ($000) $1,137 Avg Close $4.17 Range $3.60 - $5.15

Q2 2017

Shares 221,308 Value ($000) $952 Avg Close $4.36 Range $3.73 - $4.90

Q1 2017

Shares 219,902 Value ($000) $880 Avg Close $4.59 Range $3.85 - $5.45

Q4 2016

Shares 207,248 Value ($000) $871 Avg Close $4.06 Range $3.05 - $5.00

Q3 2016

Shares 186,823 Value ($000) $654 Avg Close $4.04 Range $3.49 - $4.97

Q2 2016

Shares 193,603 Value ($000) $845 Avg Close $4.50 Range $3.96 - $5.09

Q1 2016

Shares 190,123 Value ($000) $848 Avg Close $3.58 Range $2.96 - $4.50

Q4 2015

Shares 186,151 Value ($000) $738 Avg Close $4.43 Range $3.66 - $5.88

Q3 2015

Shares 180,677 Value ($000) $911 Avg Close $5.48 Range $5.00 - $6.17

Q2 2015

Shares 169,427 Value ($000) $1,010 Avg Close $5.87 Range $5.33 - $6.30

Q1 2015

Shares 164,365 Value ($000) $988 Avg Close $7.05 Range $5.53 - $8.64

Q4 2014

Shares 156,851 Value ($000) $1,343 Avg Close $7.24 Range $5.84 - $8.73

Q3 2014

Shares 140,051 Value ($000) $866 Avg Close $7.38 Range $6.16 - $8.29

Q2 2014

Shares 137,544 Value ($000) $1,099 Avg Close $8.15 Range $7.36 - $9.20

Q1 2014

Shares 150,586 Value ($000) $1,375 Avg Close $8.52 Range $7.45 - $9.44

Q4 2013

Shares 146,632 Value ($000) $1,350 Avg Close $8.38 Range $6.99 - $9.33

Q3 2013

Shares 141,454 Value ($000) $1,054 Avg Close $7.43 Range $6.28 - $8.69

Q2 2013

Shares 139,811 Value ($000) $1,119 Avg Close $7.58 Range $6.30 - $8.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	554,348	$7,273	$12.32	$10.71 - $14.02
Q3 2025	561,705	$6,735	$11.59	$10.37 - $12.56
Q2 2025	556,440	$6,783	$10.40	$7.51 - $12.46
Q1 2025	536,718	$4,669	$9.98	$7.58 - $12.54
Q4 2024	691,988	$7,813	$11.96	$10.25 - $12.89
Q3 2024	824,116	$8,678	$9.29	$7.76 - $10.93
Q2 2024	953,735	$8,374	$8.50	$6.55 - $9.76
Q1 2024	1,064,066	$9,311	$8.23	$7.01 - $9.78
Q4 2023	1,090,783	$8,377	$7.28	$6.12 - $8.28
Q3 2023	1,050,104	$8,369	$8.29	$7.53 - $9.67
Q2 2023	1,002,013	$8,176	$6.49	$5.20 - $8.26
Q1 2023	928,829	$5,044	$5.99	$4.75 - $7.10
Q4 2022	824,658	$4,907	$7.03	$5.52 - $8.25
Q3 2022	739,105	$5,603	$10.47	$7.57 - $13.17
Q2 2022	688,468	$9,026	$14.19	$12.87 - $15.40
Q1 2022	668,216	$9,376	$14.39	$13.24 - $16.27
Q4 2021	634,496	$9,975	$15.22	$14.26 - $16.25
Q3 2021	575,520	$8,685	$14.86	$13.50 - $15.96
Q2 2021	519,563	$7,591	$14.77	$13.32 - $16.28
Q1 2021	467,980	$6,824	$14.58	$12.87 - $16.12
Q4 2020	428,772	$5,647	$11.20	$9.10 - $13.39
Q3 2020	426,867	$4,060	$9.17	$8.17 - $10.57
Q2 2020	429,783	$3,980	$8.75	$7.42 - $10.80
Q1 2020	389,633	$3,234	$9.96	$6.75 - $11.96
Q4 2019	622,323	$7,051	$10.68	$9.02 - $11.94
Q3 2019	682,446	$7,132	$10.57	$9.39 - $11.81
Q2 2019	804,893	$8,887	$10.32	$8.86 - $11.45
Q1 2019	689,255	$6,142	$7.78	$6.43 - $9.21
Q4 2018	327,569	$2,169	$6.52	$5.37 - $7.94
Q3 2018	332,009	$2,059	$5.57	$4.85 - $6.20
Q2 2018	312,890	$1,643	$4.93	$4.38 - $5.45
Q1 2018	278,770	$1,283	$4.74	$4.15 - $5.50
Q4 2017	269,644	$1,457	$5.09	$4.22 - $5.70
Q3 2017	234,260	$1,137	$4.17	$3.60 - $5.15
Q2 2017	221,308	$952	$4.36	$3.73 - $4.90
Q1 2017	219,902	$880	$4.59	$3.85 - $5.45
Q4 2016	207,248	$871	$4.06	$3.05 - $5.00
Q3 2016	186,823	$654	$4.04	$3.49 - $4.97
Q2 2016	193,603	$845	$4.50	$3.96 - $5.09
Q1 2016	190,123	$848	$3.58	$2.96 - $4.50
Q4 2015	186,151	$738	$4.43	$3.66 - $5.88
Q3 2015	180,677	$911	$5.48	$5.00 - $6.17
Q2 2015	169,427	$1,010	$5.87	$5.33 - $6.30
Q1 2015	164,365	$988	$7.05	$5.53 - $8.64
Q4 2014	156,851	$1,343	$7.24	$5.84 - $8.73
Q3 2014	140,051	$866	$7.38	$6.16 - $8.29
Q2 2014	137,544	$1,099	$8.15	$7.36 - $9.20
Q1 2014	150,586	$1,375	$8.52	$7.45 - $9.44
Q4 2013	146,632	$1,350	$8.38	$6.99 - $9.33
Q3 2013	141,454	$1,054	$7.43	$6.28 - $8.69
Q2 2013	139,811	$1,119	$7.58	$6.30 - $8.66