SEG Seaport Entertainment Group Inc.: institutional ownership and insider trading

125 funds reported holding $413M of Seaport Entertainment Group Inc. in their latest 13F filings; in Q2 2026 funds net bought $145M, with 13 new positions and 12 funds selling out; over the last 12 months insiders bought $0 and sold $0 on the open market.

Famous investors holding SEG

Largest institutional holders of SEG

  1. PERSHING SQUARE HOLDCO, L.P. — $134M
  2. Pershing Square Capital Management, L.P. — $108M
  3. KAHN BROTHERS GROUP INC — $24.4M
  4. GATE CITY CAPITAL MANAGEMENT, LLC — $19.2M
  5. Rubric Capital Management LP — $15.1M
  6. BlackRock, Inc. (BLK) — $14.7M
  7. DIMENSIONAL FUND ADVISORS LP — $10.5M
  8. VANGUARD PORTFOLIO MANAGEMENT LLC — $10.2M
  9. VANGUARD CAPITAL MANAGEMENT LLC — $9.14M
  10. VANGUARD GROUP INC — $8.98M

5%+ owners

All SEG 13F holders · All SEG insider trades