MF
GLDD

Magnetar Financial’s Great Lakes Dredge & Dock GLDD Stock Holding History

Magnetar Financial’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
-50,021
Closed -$656K – 1250
2025
Q4 		$656K Buy
50,021
+19,586
+64% +$241K 0.01% 505
2025
Q3 		$365K Buy
+30,435
New +$353K ﹤0.01% 660
2020
Q4 		– Sell
-29,985
Closed -$285K – 790
2020
Q3 		$285K Buy
+29,985
New +$275K 0.01% 546

Other funds holding GLDD

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Magnetar Financial's GLDD Position: Q1 2026 in Review

Magnetar Financial sold out of Great Lakes Dredge & Dock (GLDD) in Q1 2026, closing a stake of 50,021 shares — an estimated $656K sold.

Magnetar Financial first reported a position in GLDD in Q3 2020 and held it in 3 quarters. The position peaked at $656K in Q4 2025. 182 funds tracked by Wall St. Rank hold GLDD as of Q1 2026.

  • Magnetar Financial reported no remaining Great Lakes Dredge & Dock position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 50,021 Great Lakes Dredge & Dock shares in Q1 2026, an estimated $656K.
  • Magnetar Financial first reported a position in Great Lakes Dredge & Dock in Q3 2020 and held it in 3 quarters.
  • Magnetar Financial's Great Lakes Dredge & Dock position peaked at $656K in Q4 2025.
  • 182 funds tracked by Wall St. Rank held Great Lakes Dredge & Dock as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.