Dynamic Technology Lab’s Great Lakes Dredge & Dock GLDD Stock Holding History

Dynamic Technology Lab’s Portfolio GLDD Stock Details GLDD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-23,769	Closed	-$312K	–	988
2025 Q4	$312K	Sell	23,769 -38,837	-62%	-$479K	0.07%	470
2025 Q3	$751K	Buy	62,606 +47,697	+320%	+$553K	0.13%	271
2025 Q2	$182K	Buy	+14,909	New	+$155K	0.02%	809
2024 Q3	–	Sell	-63,834	Closed	-$560K	–	1129
2024 Q2	$560K	Buy	+63,834	New	+$543K	0.06%	470
2023 Q3	–	Sell	-10,934	Closed	-$89K	–	1091
2023 Q2	$89K	Buy	+10,934	New	+$71K	0.01%	911
2020 Q2	–	Sell	-11,768	Closed	-$98K	–	1105
2020 Q1	$98K	Sell	11,768 -3,600	-23%	-$35.8K	0.02%	892
2019 Q4	$174K	Buy	15,368 +4,077	+36%	+$43.5K	0.03%	856
2019 Q3	$118K	Sell	11,291 -80,740	-88%	-$853K	0.02%	868
2019 Q2	$1.02M	Buy	+92,031	New	+$950K	0.17%	162
2019 Q1	–	Sell	-88,353	Closed	-$585K	–	1121
2018 Q4	$585K	Buy	+88,353	New	+$576K	0.1%	340

Other funds holding GLDD

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

GCL

Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dynamic Technology Lab's GLDD Position: Q1 2026 in Review

Dynamic Technology Lab sold out of Great Lakes Dredge & Dock (GLDD) in Q1 2026, closing a stake of 23,769 shares — an estimated $312K sold.

Dynamic Technology Lab first reported a position in GLDD in Q4 2018 and held it in 10 quarters. The position peaked at $1.02M in Q2 2019. 182 funds tracked by Wall St. Rank hold GLDD as of Q1 2026.

Dynamic Technology Lab reported no remaining Great Lakes Dredge & Dock position as of Q1 2026 after selling out during the quarter.
Dynamic Technology Lab sold 23,769 Great Lakes Dredge & Dock shares in Q1 2026, an estimated $312K.
Dynamic Technology Lab first reported a position in Great Lakes Dredge & Dock in Q4 2018 and held it in 10 quarters.
Dynamic Technology Lab's Great Lakes Dredge & Dock position peaked at $1.02M in Q2 2019.
182 funds tracked by Wall St. Rank held Great Lakes Dredge & Dock as of Q1 2026.

Based on Dynamic Technology Lab's 13F filing for Q1 2026, filed 15 May 2026.