Jane Street’s Seaport Entertainment Group SEG Stock Holding History

Jane Street’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	-12,643	Closed	-$250K	–	13285
2025 Q4	$250K	Buy	12,643 +2,372	+23%	+$53.2K	﹤0.01%	9241
2025 Q3	$235K	Buy	+10,271	New	+$241K	﹤0.01%	9368
2025 Q2	–	Sell	-18,044	Closed	-$387K	–	11197
2025 Q1	$387K	Sell	18,044 -2,023	-10%	-$49.4K	﹤0.01%	7348
2024 Q4	$561K	Buy	20,067 +2,398	+14%	+$69.1K	﹤0.01%	6552
2024 Q3	$484K	Buy	+17,669	New	+$503K	﹤0.01%	7229

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 New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's SEG Position: Q1 2026 in Review

Jane Street sold out of Seaport Entertainment Group (SEG) in Q1 2026, closing a stake of 12,643 shares — an estimated $250K sold.

Jane Street first reported a position in SEG in Q3 2024 and held it in 5 quarters. The position peaked at $561K in Q4 2024. 118 funds tracked by Wall St. Rank hold SEG as of Q1 2026.

Jane Street reported no remaining Seaport Entertainment Group position as of Q1 2026 after selling out during the quarter.
Jane Street sold 12,643 Seaport Entertainment Group shares in Q1 2026, an estimated $250K.
Jane Street first reported a position in Seaport Entertainment Group in Q3 2024 and held it in 5 quarters.
Jane Street's Seaport Entertainment Group position peaked at $561K in Q4 2024.
118 funds tracked by Wall St. Rank held Seaport Entertainment Group as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.