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Who owns Seaport Entertainment Group (SEG) stock

108 funds reported Seaport Entertainment Group (SEG) shares in their latest 13F filings, worth $385M in all. The largest holder is Pershing Square Holdco, L.P. ($134M). Last quarter 46 funds added to their stakes and 34 cut them.

Largest holders of SEG (13F)Largest holders of SEG (13F)Pershing Square Holdco, L.P.$134MPershing Square Capital Management$108MGate City Capital Management, LLC$19.2MRubric Capital Management LP$15.1MBlackRock$14.7MDimensional Fund Advisors LP$10.5MVanguard Portfolio Management LLC$10.2MVanguard Capital Management LLC$9.1MVanguard Group$9.0MCerity Partners LLC$8.4M

Largest holders (13F)

FundSharesValueChangeQuarter
Pershing Square Holdco, L.P.5,023,780$134Mnew2026-06-30
Pershing Square Capital Management5,023,780$108Munchanged2026-03-31
Gate City Capital Management, LLC723,248$19.2Mincrease2026-06-30
Rubric Capital Management LP568,530$15.1Munchanged2026-06-30
BlackRock553,120$14.7Mincrease2026-06-30
Dimensional Fund Advisors LP396,566$10.5Mdecrease2026-06-30
Vanguard Portfolio Management LLC384,200$10.2Mincrease2026-06-30
Vanguard Capital Management LLC343,549$9.1Mincrease2026-06-30
Vanguard Group454,191$9.0Mdecrease2025-12-31
Cerity Partners LLC314,955$8.4Mdecrease2026-06-30
Solas Capital Management, LLC212,892$5.7Mdecrease2026-06-30
Geode Capital Management, LLC208,136$5.5Mincrease2026-06-30
State Street185,838$4.9Mincrease2026-06-30
Rangeley Capital, LLC153,517$4.1Munchanged2026-06-30
Goldman Sachs Group117,344$3.1Mincrease2026-06-30

Seaport Entertainment Group's latest quarter

Seaport Entertainment Group, Q3 2026: revenue $32.7M (-27% year over year), operating margin -28.2%, net loss $8.0M, operating cash flow −$9.2M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most SEG stock?

By the latest 13F filings: Pershing Square Holdco, L.P. ($134M); Pershing Square Capital Management ($108M); Gate City Capital Management, LLC ($19.2M); Rubric Capital Management LP ($15.1M); BlackRock ($14.7M).

What is the short interest in SEG?

645,961 shares were sold short at the 2026-10-15 settlement, 1.41% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.