Wittenberg Investment Management’s Great Lakes Dredge & Dock GLDD Stock Holding History

Wittenberg Investment Management’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	-183,100	Closed	-$2.4M	–	76
2025 Q4	$2.4M	Sell	183,100 -8,700	-5%	-$107K	0.92%	17
2025 Q3	$2.3M	Sell	191,800 -5,000	-3%	-$57.9K	0.91%	18
2025 Q2	$2.4M	Sell	196,800 -31,500	-14%	-$328K	1.05%	16
2025 Q1	$1.99M	Buy	228,300 +47,000	+26%	+$469K	0.9%	17
2024 Q4	$2.05M	Sell	181,300 -88,724	-33%	-$1.06M	0.8%	20
2024 Q3	$2.84M	Hold	270,024	–	–	0.91%	21
2024 Q2	$2.37M	Buy	270,024 +69,700	+35%	+$593K	0.81%	24
2024 Q1	$1.75M	Hold	200,324	–	–	0.6%	34
2023 Q4	$1.54M	Hold	200,324	–	–	0.53%	35
2023 Q3	$1.6M	Hold	200,324	–	–	0.59%	33
2023 Q2	$1.63M	Sell	200,324 -11,293	-5%	-$73.3K	0.59%	34
2023 Q1	$1.15M	Buy	211,617 +151,600	+253%	+$908K	0.43%	42
2022 Q4	$357K	Buy	+60,017	New	+$422K	0.15%	63

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

Wittenberg Investment Management's GLDD Position: Q1 2026 in Review

Wittenberg Investment Management sold out of Great Lakes Dredge & Dock (GLDD) in Q1 2026, closing a stake of 183,100 shares — an estimated $2.4M sold.

Wittenberg Investment Management first reported a position in GLDD in Q4 2022 and held it in 13 quarters. The position peaked at $2.84M in Q3 2024. 182 funds tracked by Wall St. Rank hold GLDD as of Q1 2026.

Wittenberg Investment Management reported no remaining Great Lakes Dredge & Dock position as of Q1 2026 after selling out during the quarter.
Wittenberg Investment Management sold 183,100 Great Lakes Dredge & Dock shares in Q1 2026, an estimated $2.4M.
Wittenberg Investment Management first reported a position in Great Lakes Dredge & Dock in Q4 2022 and held it in 13 quarters.
Wittenberg Investment Management's Great Lakes Dredge & Dock position peaked at $2.84M in Q3 2024.
182 funds tracked by Wall St. Rank held Great Lakes Dredge & Dock as of Q1 2026.

Based on Wittenberg Investment Management's 13F filing for Q1 2026, filed 14 May 2026.