Market data loadingS&P 500--NASDAQ--Data as of latest ETNo timestamp

Seaport Entertainment Group Inc. (SEG) Institutional Ownership & Insider Trading

117 institutions reported holding Seaport Entertainment Group Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

SEGSeaport Entertainment Group Inc.Follow SEG — free
Real Estate Services · Real Estate
—
Price chart with a free account
Market cap
290.5M
P/E TTM
—
Dividend yield
—
52-week
—
Next earnings
9 Nov, in 16 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

117 institutions held 86.9% of the shares. Across filers that reported both quarters, shares held changed +95.5%.

Increased+38New+12Decreased-22Closed-8

Largest moves, shares (millions)

Pershing Square+5.0MVanguard Portfolio…+0.3MBlackRock+0.0MDimensional Fund Advisors-0.1MRenaissance Technologies-0.1MLazard Asset Management-0.0M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
+0.0Sep 24+4.6Dec 24-0.7Mar 25-0.1Jun 25+1.1Sep 25+0.3Dec 25+0.5Mar 26+5.4Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 2611711+95.5%3812228
Mar 2611711+4.9%28202713
Dec 2511010+3.3%2017339
Sep 259810+12.7%17132816
Jun 251009-0.8%32163328
Mar 251169-7.2%27153619
Dec 2412410+94.1%44201718
Sep 241135—————

Seaport Entertainment Group Inc. — questions

Who owns Seaport Entertainment Group Inc. stock?
117 institutions reported Seaport Entertainment Group Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: PERSHING SQUARE INC. (39.2%), KAHN BROTHERS GROUP INC (7.2%), GATE CITY CAPITAL MANAGEMENT, LLC (5.7%).

Every figure on this page comes from Seaport Entertainment Group Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.