Canton Hathaway, LLC

Position in GLDD — Great Lakes Dredge & Dock CORP

CIK 1755785 PROVIDENCE, RI

Position in GLDD

as of Mar 31, 2026 · filed Apr 24, 2026 Compact

Position Value

$595,000

-$17,704 QoQ

Shares Held

35,000

-25.1% QoQ

Ownership

0.052%

of shares outstanding

% of Portfolio

0.33%

of 13F equity value

Holder Rank

#86

of 181 holders

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Industrials · as of Mar 31, 2026

Canton Hathaway, LLC holds $3,014,120 across 4 Engineering & Construction names. GLDD ranks #2 (19.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PWR	Quanta Services, Inc.	3,500	$1,921,570
2	GLDD	Great Lakes Dredge & Dock CORP This page	35,000	$595,000
3	PRIM	Primoris Services Corp	2,500	$357,600
4	FLR	Fluor Corp	3,000	$139,950

22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$595,000	35,000	-25.1%	Shares	Sole	2026-04-24
2025-12-31	$612,704	46,700	+9.1%	Shares	Sole	2026-01-21
2025-09-30	$513,172	42,800	-0.9%	Shares	Sole	2025-10-23
2025-06-30	$526,608	43,200	+10.5%	Shares	Sole	2025-08-04
2025-03-31	$340,170	39,100	+2.4%	Shares	Sole	2025-04-22
2024-12-31	$431,278	38,200	-7.5%	Shares	Sole	2025-02-04
2024-09-30	$434,889	41,300	+10.7%	Shares	Sole	2024-11-13
2024-06-30	$327,494	37,300	-15.2%	Shares	Sole	2024-07-22
2024-03-31	$385,000	44,000	+9.7%	Shares	Sole	2024-05-13
2023-12-31	$307,968	40,100	+28.9%	Shares	Sole	2024-01-30
2023-09-30	$247,867	31,100	-19.2%	Shares	Sole	2023-10-11
2023-06-30	$314,160	38,500	+337.5%	Shares	Sole	2023-07-11
2022-06-30	$115,368	8,800	+33.3%	Shares	Sole	2022-07-20
2022-03-31	$92,598	6,600	0.0%	Shares	Sole	2022-04-12
2021-12-31	$103,752	6,600	+7.3%	Shares	Sole	2022-01-06
2021-09-30	$92,803	6,150	+39.8%	Shares	Sole	2021-10-14
2021-06-30	$64,284	4,400	0.0%	Shares	Sole	2021-07-08
2021-03-31	$64,152	4,400	-41.5%	Shares	Sole	2021-04-14
2020-12-31	$99,038	7,520	+33.3%	Shares	Sole	2021-02-03
2020-09-30	$53,636	5,640	-40.0%	Shares	Sole	2020-11-09
2020-06-30	$87,044	9,400	0.0%	Shares	Sole	2020-07-27
2020-03-31	$78,020	9,400	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.