StockData
SEGNYSEServices-Miscellaneous Amusement & RecreationFiscal year ends December 31

Seaport Entertainment Group Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026
$22.22−0.55 (-2.42%)

Close on Oct 19, 2026

Market cap
$284.46M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
86.9%
11M of 13M shares
Institutional holders
117
15 new, 12 sold out
Net institutional buying
5M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Kahn Brothers Group Inc893,2277.00%13G (passive)May 8, 2026
Gate City Capital Management, LLC689,4475.40%13G (passive)Mar 31, 2026
William A. Ackman5,023,78040.10%13D (active) amendmentOct 18, 2024

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of SEGValueChange% of portfolio
Pershing Square Holdco, L.P.5,023,78039.22%$133.63MNew0.69%
Kahn Brothers Group Inc917,0057.16%$24.39M+23,7783.86%
Gate City Capital Management, LLC723,2485.65%$19.24M+33,8014.99%
Rubric Capital Management LP568,5304.44%$15.12M–0.14%
BlackRock, Inc.553,1204.32%$14.71M+47,4910.00%
Dimensional Fund Advisors LP396,5663.10%$10.55M−58,5810.00%
Vanguard Portfolio Management LLC384,2003.00%$10.22M+341,1380.00%
Vanguard Capital Management LLC343,5492.68%$9.14M+15,8640.00%
Cerity Partners LLC314,9552.46%$8.38M−3,9640.01%
Solas Capital Management, LLC212,8921.66%$5.66M−10,0263.03%
Geode Capital Management, LLC208,1361.62%$5.54M+23,1160.00%
State Street Corp185,8381.45%$4.94M+7,8570.00%
Rangeley Capital, LLC153,5171.20%$4.08M–3.73%
Goldman Sachs Group Inc117,3440.92%$3.12M+13,1480.00%
Peapod Lane Capital LLC109,8510.86%$2.92M+17,3451.97%
Charles Schwab Investment Management Inc63,5870.50%$1.69M+1,5810.00%
Northern Trust Corp60,4610.47%$1.61M+3,3080.00%
LPL Financial LLC51,7110.40%$1.38M−1,0550.00%
Aqr Capital Management LLC51,1340.40%$1.36M+27,9040.00%
Vanguard Fiduciary Trust Co50,8800.40%$1.35M+2,6160.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202611711M86.9%15 / 3824 / 126M0M
Q1 202611811M83.7%25 / 3233 / 171M1M
Q4 202511310M81.1%24 / 2238 / 111M0M
Q3 202510110M77.8%17 / 2034 / 191M0M
Q2 20251039M69.1%18 / 3434 / 331M1M
Q1 20251209M69.8%18 / 2642 / 230M1M
Q4 202412710M75.1%30 / 4720 / 215M0M
Q3 20241185M39.1%118 / 00 / 05M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of SEGValue% of fundAs of
Vanguard Real Estate Index Fund279,5962.18%$7.33M0.01%Jul 31, 2026
Vanguard Total Stock Market Index Fund251,2821.96%$6.68M0.00%Jun 30, 2026
iShares Russell 2000 ETF194,6551.52%$5.18M0.01%Jun 30, 2026
Vanguard Extended Market Index Fund85,0720.66%$2.26M0.00%Jun 30, 2026
U.S. Small Cap Value Portfolio81,8570.64%$2.15M0.01%Jul 31, 2026
Fidelity Small Cap Index Fund80,1630.63%$2.10M0.01%Jul 31, 2026
iShares Russell 2000 Value ETF75,4420.59%$2.01M0.01%Jun 30, 2026
U.S. Micro Cap Portfolio53,3760.42%$1.40M0.02%Jul 31, 2026
Vanguard Real Estate Ii Index Fund49,0460.38%$1.29M0.01%Jul 31, 2026
U.S. Small Cap Portfolio43,7080.34%$1.15M0.01%Jul 31, 2026
Fidelity Extended Market Index Fund42,3010.33%$1.07M0.00%May 31, 2026
Vanguard Russell 2000 Index Fund38,4920.30%$971.92K0.01%May 31, 2026
Schwab U.S. Small-Cap ETF36,0930.28%$911.35K0.00%May 31, 2026
Kinetics Paradigm Portfolio30,0000.23%$798.00K0.07%Jun 30, 2026
Dimensional US Small Cap Value ETF26,9370.21%$706.56K0.01%Jul 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Matthew Morris PartridgeChief Executive Officer, Director109,2670.85%Sep 22, 2026
Anton D. NikodemusChief Executive Officer, Director191,8791.50%Jul 16, 2025
Lenah ElaiwatChief Financial Officer30,7130.24%Aug 3, 2026
Rebecca E. SachsChief Administrative Officer22,3900.17%Aug 3, 2026
Luciana FatoGeneral Counsel19,2120.15%Mar 9, 2026
David Z. HirshDirector9,2190.07%Sep 16, 2026
Monica S. DigilioDirector9,2190.07%Sep 16, 2026
Michael Anthony CrawfordDirector9,2190.07%Sep 16, 2026
Pershing Square Capital Management, L.P.Director, 10% owner4,932,90538.51%Apr 23, 2026
William A. AckmanDirector, 10% owner––Apr 23, 2026
Pershing Square Holdco GP, LLCDirector, 10% owner––Apr 23, 2026
Square Inc. PershingDirector, 10% owner2,094,67316.35%Apr 23, 2026
Pershing Square Management, LLCDirector, 10% owner5,023,78039.22%Apr 23, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Matthew Morris Partridge
Chief Executive Officer, Director
Sep 18, 2026Tax withholding−1,804$24.14$43.55K109,267
Michael Anthony Crawford
Director
Sep 15, 2026Award+987––9,219
Monica S. Digilio
Director
Sep 15, 2026Award+987––9,219
David Z. Hirsh
Director
Sep 15, 2026Award+987––9,219
Rebecca E. Sachs
Chief Administrative Officer
Jul 31, 2026Tax withholding−1,010$26.23$26.49K22,390
Lenah Elaiwat
Chief Financial Officer
Jul 31, 2026Tax withholding−741$26.23$19.44K30,713
Matthew Morris Partridge
Chief Executive Officer, Director
Jul 31, 2026Tax withholding−4,544$26.23$119.19K111,071
David Z. Hirsh
Director
Jun 15, 2026Award+1,014––8,232
Michael Anthony Crawford
Director
Jun 15, 2026Award+1,014––8,232
Monica S. Digilio
Director
Jun 15, 2026Award+1,014––8,232
Pershing Square Capital Management, L.P.
Director, 10% owner
Apr 21, 2026Other−90,875$22.25$2.02M4,932,905
Pershing Square Capital Management, L.P.
Director, 10% owner
Apr 21, 2026Other+90,875$22.25$2.02M90,875
Matthew Morris Partridge
Chief Executive Officer, Director
Apr 1, 2026Tax withholding−4,918$21.46$105.54K115,615
Monica S. Digilio
Director
Mar 16, 2026Award+1,175––7,218
David Z. Hirsh
Director
Mar 16, 2026Award+1,175––7,218
Michael Anthony Crawford
Director
Mar 16, 2026Award+1,175––7,218
Luciana Fato
General Counsel
Mar 6, 2026Tax withholding−728$21.64$15.75K19,212
Matthew Morris Partridge
Chief Executive Officer, Director
Mar 6, 2026Tax withholding−2,726$21.64$58.99K120,533
Rebecca E. Sachs
Chief People Officer
Mar 6, 2026Tax withholding−684$21.64$14.80K23,400
Rebecca E. Sachs
Chief People Officer
Feb 27, 2026Tax withholding−987$23.36$23.06K24,084
Lenah Elaiwat
Chief Financial Officer
Feb 27, 2026Tax withholding−914$23.36$21.35K31,454
Matthew Morris Partridge
Chief Executive Officer, Director
Feb 26, 2026Award+27,625––123,259
Rebecca E. Sachs
Chief People Officer
Feb 26, 2026Award+7,858––25,071
Luciana Fato
General Counsel
Feb 26, 2026Award+8,127––19,940
Lenah Elaiwat
Chief Financial Officer
Feb 26, 2026Award+9,766––32,368
David Z. Hirsh
Director
Dec 15, 2025Award+1,146––6,043
Michael Anthony Crawford
Director
Dec 15, 2025Award+1,146––6,043
Monica S. Digilio
Director
Dec 15, 2025Award+1,146––6,043
Lenah Elaiwat
Chief Financial Officer
Dec 2, 2025Award+9,265––22,602
Matthew Morris Partridge
Chief Executive Officer, Director
Sep 18, 2025Award+13,555––95,634
Monica S. Digilio
Director
Sep 16, 2025Award+998––4,897
David Z. Hirsh
Director
Sep 16, 2025Award+998––4,897
Michael Anthony Crawford
Director
Sep 16, 2025Award+998––4,897
Lenah Elaiwat
Chief Accounting Officer
Aug 1, 2025Tax withholding−1,152$22.48$25.90K13,337
Matthew Morris Partridge
Chief Financial Officer
Aug 1, 2025Tax withholding−5,429$22.48$122.04K82,079
Luciana Fato
General Counsel
Aug 1, 2025Tax withholding−1,073$22.48$24.12K11,813
Michael Anthony Crawford
Director
Jun 16, 2025Award+1,279––3,899
Monica S. Digilio
Director
Jun 16, 2025Award+1,279––3,899
David Z. Hirsh
Director
Jun 16, 2025Award+1,279––3,899
Matthew Morris Partridge
Chief Financial Officer
Apr 1, 2025Tax withholding−4,440$20.88$92.71K87,508
Michael Anthony Crawford
Director
Mar 17, 2025Award+1,210––2,620
Monica S. Digilio
Director
Mar 17, 2025Award+1,210––2,620
David Z. Hirsh
Director
Mar 17, 2025Award+1,210––2,620
Luciana Fato
General Counsel
Mar 7, 2025Award+4,824––12,886
Matthew Morris Partridge
Chief Financial Officer
Mar 7, 2025Award+20,482––91,948
Lenah Elaiwat
Chief Accounting Officer
Feb 27, 2025Award+7,186––14,489
Anton D. Nikodemus
Chief Executive Officer, Director
Dec 29, 2024Tax withholding−8,935$27.52$245.89K191,879
Michael Anthony Crawford
Director
Dec 19, 2024Award+890––1,410
Monica S. Digilio
Director
Dec 19, 2024Award+890––1,410
David Z. Hirsh
Director
Dec 19, 2024Award+890––1,410
Pershing Square Management, LLC
Director, 10% owner
Oct 18, 2024Other+2,929,107$25.00$73.23M5,023,780
David Z. Hirsh
Director
Oct 18, 2024Award+520––520
Michael Anthony Crawford
Director
Oct 18, 2024Award+520––520
Anthony F. Massaro
Director
Oct 18, 2024Other+19$25.00$47533
Monica S. Digilio
Director
Oct 18, 2024Award+520––520
Matthew Morris Partridge
Chief Financial Officer
Sep 12, 2024Award+37,323––71,466
Anton D. Nikodemus
Chief Executive Officer, Director
Sep 12, 2024Award+74,359––200,814
Luciana Fato
General Counsel
Aug 7, 2024Award+8,062––8,062
Anton D. Nikodemus
Chief Executive Officer, Director
Aug 7, 2024Award+126,455––126,455
Lenah Elaiwat
Chief Accounting Officer
Aug 7, 2024Award+7,303––7,303

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Luciana Fato
Former Officer
Oct 6, 202612,534$281.79KOct 6, 2026Restricted Stock Vesting