Southeastern Asset Management (Longleaf)

Superinvestor

Southeastern Asset Management Inc

SEC CIK: 0000807985
Manager: Mason Hawkins
Style: Value
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

SEG holding history

Seaport Entertainment Group Inc. in every 13F filed by Southeastern Asset Management (Longleaf), including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SEG overview All 13F holders of SEG Full Q2 2026 holdings

Shares (Q4 2024): 0; Sold out in Q4 2024
Value: $0
% of portfolio: 0.0%
Quarters held: 1; Since Q3 2024

Holdings of SEG by Southeastern Asset Management (Longleaf), by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2024	0	$0	0.0%	−35,533−100.0%	Sold out	Holders
Q3 2024	35,533	$974.3K	<0.1%	+35,533	New	Holders