Marshall Wace
SEG

Marshall Wace’s Seaport Entertainment Group SEG Stock Holding History

Marshall Wace’s Portfolio SEG Stock Details SEG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-33,154
Closed -$655K – 3763
2025
Q4 		$655K Buy
+33,154
New +$743K ﹤0.01% 2126
2025
Q3 		– Sell
-23,754
Closed -$443K – 3515
2025
Q2 		$443K Buy
23,754
+9,760
+70% +$187K ﹤0.01% 2188
2025
Q1 		$300K Buy
+13,994
New +$342K ﹤0.01% 2270

Other funds holding SEG

PSCM
Pershing Square Capital Management New York $13.7B AUM 13.45% 1-Year Est. Return
KBG
Kahn Brothers Group New York $564M AUM 25.3% 1-Year Est. Return
GCCM
Gate City Capital Management Chicago, Illinois $257M AUM 37.12% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Cerity Partners
Cerity Partners New York $70.8B AUM 21.68% 1-Year Est. Return
SCM
Solas Capital Management Darien, Connecticut $174M AUM 6.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Marshall Wace's SEG Position: Q1 2026 in Review

Marshall Wace sold out of Seaport Entertainment Group (SEG) in Q1 2026, closing a stake of 33,154 shares — an estimated $655K sold.

Marshall Wace first reported a position in SEG in Q1 2025 and held it in 3 quarters. The position peaked at $655K in Q4 2025. 118 funds tracked by Wall St. Rank hold SEG as of Q1 2026.

  • Marshall Wace reported no remaining Seaport Entertainment Group position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 33,154 Seaport Entertainment Group shares in Q1 2026, an estimated $655K.
  • Marshall Wace first reported a position in Seaport Entertainment Group in Q1 2025 and held it in 3 quarters.
  • Marshall Wace's Seaport Entertainment Group position peaked at $655K in Q4 2025.
  • 118 funds tracked by Wall St. Rank held Seaport Entertainment Group as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.