Question 1

Who owns SEG stock?

Accepted Answer

SEG (Seaport Entertainment Group) is held by 2 tracked superinvestors with an aggregate position value of $132M based on the most recent SEC 13F filings. Top institutional holders include: Bill Ackman, Kahn Brothers.

Question 2

How much SEG do superinvestors hold in aggregate?

Accepted Answer

Across 2 tracked managers, superinvestors collectively report $132M in SEG positions worth 5,940,785 shares.

Question 3

What is the largest holder of SEG?

Accepted Answer

The largest tracked holder of SEG is Bill Ackman (Pershing Square Capital Management) with 5,023,780 shares worth $108M, representing 0.79% of their portfolio.

Investor	Fund	Shares	Value▼	% of Portfolio	Rpt Price	Period
Bill Ackman	Pershing Square Capital Management	5023780	$107.9M	0.79%	$21.48	Q1 2026
Kahn Brothers	Kahn Brothers Group	917005	$24.4M	3.86%	$26.60	Q2 2026

SEGSeaport Entertainment Group

📊 Holdings Over Time

Quarter-by-Quarter Activity