InvestorLens

SEG — SEAPORT ENTERTAINMENT GROUP INC - US

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying SEG?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
95
Institutional Conviction
Net accumulation · 1 buying vs 0 selling last quarter
60
Macro Tailwind
Macro conditions are mixed for this sector
55
Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their SEG position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).

Supporting evidence
  • +1 tracked investor added or increased positions last quarter (Bill Ackman)
  • +1 tracked investors reported holding SEG at their latest filing
  • +Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/20/2026.

About SEAPORT ENTERTAINMENT GROUP INC - US (SEG)

SEAPORT ENTERTAINMENT GROUP INC - US (SEG) appears in the most recent 13F filings of 1 tracked institutional investor. The largest disclosed position is held by Bill Ackman (Pershing Square), valued at $134M. Across recent filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in SEG

100
/100
Strong Institutional Accumulation
Added / Increased1
Reduced0
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track SEG

7
/100
Undiscovered
1investor

Only 1 tracked investor report this position.

UndiscoveredCrowded
151015+

SEG Ownership Composition

How SEAPORT ENTERTAINMENT GROUP INC - US is held across tracked investor types, based on reported 13F positions.

Dominant Type
Activist
100% of tracked value
Institutions
1
tracked investors
Total Reported
$133.6M
combined 13F value
Types1
  • Activist100.0%
Activist(1)
100.0%

Tracked investors currently reporting SEG

3 tracked investors have since exited this position — listed separately below.

  • Bill AckmanJun 30, 2026
    Pershing Square
    Shares
    5M
    Value
    $133.6M
    % Portfolio
    0.69%

Previously held SEG

These investors reported SEG in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Ken GriffinCitadel Advisors17.2K$480KDec 31, 2024
Izzy EnglanderMillennium Management9.6K$267.2KDec 31, 2024
Paul Tudor JonesTudor Investment Corp8.5K$231.8KSep 30, 2024

Recent activity

Frequently asked questions

How many institutional investors hold SEG?
1 tracked institutional investor disclosed a position in SEG (SEAPORT ENTERTAINMENT GROUP INC - US) in their most recent 13F filing.
Who is the largest institutional holder of SEG?
Bill Ackman, Pershing Square, holds the largest disclosed position in SEG, valued at $134M.
Did institutional ownership of SEG increase or decrease?
Across recent 13F filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 fully exited SEG.
Where does this SEG ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
SEG (SEAPORT ENTERTAINMENT GROUP INC - US) — Institutional — InvestorLens