Seaport Entertainment Group Inc.
SEG- Exchange
- NYSE
- Industry
- Services-Miscellaneous Amusement & Recreation
- SEC CIK
- 0002009684
No open-market purchases or sales by Seaport Entertainment Group Inc. insiders were filed in the last 90 days; 116 institutions reported holding it in 13F filings for Q2 2026, worth $296.0M in total; Pershing Square is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Seaport Entertainment Group Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 116
- +2 vs. Q1 2026
- Shares held
- 11.1M
- +5.44M (+95.5%) vs. Q1 2026
- Total value
- $296.0M
- +$172.7M (+140.0%) vs. Q1 2026
- New holders
- 14
- 38 more added
- Sold out
- 12
- 24 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SEG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 116 | $296.0M |
| Q1 2026 | 118 | $231.3M |
| Q4 2025 | 113 | $205.6M |
| Q3 2025 | 101 | $227.1M |
| Q2 2025 | 103 | $165.1M |
| Q1 2025 | 121 | $192.0M |
| Q4 2024 | 127 | $268.7M |
| Q3 2024 | 118 | $134.7M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Seaport Entertainment Group Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pershing Square Inc.SuperinvestorPershing Square | 5,023,780 | $133.6M | 0.69% | +5,023,780 | New |
| Kahn Brothers Group Inc | 917,005 | $24.4M | 3.86% | +23,778+2.7% | Added |
| Gate City Capital Management, LLC | 723,248 | $19.2M | 4.99% | +33,801+4.9% | Added |
| Rubric Capital Management LP | 568,530 | $15.1M | 0.14% | 00.0% | Unchanged |
| BlackRock, Inc. | 553,120 | $14.7M | 0.00% | +47,491+9.4% | Added |
| Dimensional Fund Advisors LP | 396,566 | $10.5M | 0.00% | −58,581−12.9% | Reduced |
| Vanguard Portfolio Management LLC | 384,200 | $10.2M | 0.00% | +341,138+792.2% | Added |
| Vanguard Capital Management LLC | 343,549 | $9.14M | 0.00% | +15,864+4.8% | Added |
| Cerity Partners LLC | 314,955 | $8.38M | 0.01% | −3,964−1.2% | Reduced |
| Solas Capital Management, LLC | 212,892 | $5.66M | 3.03% | −10,026−4.5% | Reduced |
| Geode Capital Management, LLC | 208,136 | $5.54M | 0.00% | +23,116+12.5% | Added |
| State Street Corp | 185,838 | $4.94M | 0.00% | +7,857+4.4% | Added |
| Rangeley Capital, LLC | 153,517 | $4.08M | 3.99% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 117,344 | $3.12M | 0.00% | +13,148+12.6% | Added |
| Peapod Lane Capital LLC | 109,851 | $2.92M | 1.97% | +17,345+18.8% | Added |
| Charles Schwab Investment Management Inc | 63,587 | $1.69M | 0.00% | +1,581+2.5% | Added |
| Northern Trust Corp | 60,461 | $1.61M | 0.00% | +3,308+5.8% | Added |
| LPL Financial LLC | 51,711 | $1.38M | 0.00% | −1,055−2.0% | Reduced |
| AQR Capital Management LLC | 51,134 | $1.36M | 0.00% | +27,904+120.1% | Added |
| Vanguard Fiduciary Trust Co | 50,880 | $1.35M | 0.00% | +2,616+5.4% | Added |
| O'Keefe Stevens Advisory, Inc. | 49,085 | $1.31M | 0.27% | +1,415+3.0% | Added |
| Horizon Kinetics Asset Management LLC | 42,503 | $1.13M | 0.01% | −9,937−18.9% | Reduced |
| Trexquant Investment LP | 34,171 | $908.9K | 0.01% | +16,601+94.5% | Added |
| Price T Rowe Associates Inc | 31,663 | $843.0K | 0.00% | +6,012+23.4% | Added |
| Gem Investment Advisors, LLC | 28,012 | $745.1K | 0.46% | −1,726−5.8% | Reduced |
| Renaissance Technologies LLC | 27,999 | $744.8K | 0.00% | −54,301−66.0% | Reduced |
| Quantinno Capital Management LP | 27,643 | $735.3K | 0.00% | +3,502+14.5% | Added |
| Morgan Stanley | 27,027 | $718.9K | 0.00% | +11,493+74.0% | Added |
| Bank of New York Mellon Corp | 22,604 | $601.3K | 0.00% | +2,088+10.2% | Added |
| Ingalls & Snyder LLC | 22,102 | $588.0K | 0.02% | −32−0.1% | Reduced |
| UBS Group AG | 22,079 | $587.3K | 0.00% | −2,381−9.7% | Reduced |
| XTX Topco Ltd | 20,312 | $540.3K | 0.01% | +833+4.3% | Added |
| Principal Financial Group Inc | 18,226 | $484.8K | 0.00% | −184−1.0% | Reduced |
| Commerce Bank | 17,557 | $467.0K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 16,785 | $446.5K | 0.01% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 15,891 | $422.7K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 15,180 | $403.8K | 0.00% | +4,536+42.6% | Added |
| Marquette Asset Management, LLC | 14,749 | $392.3K | 0.05% | +14,749 | New |
| Lazard Asset Management LLC | 14,624 | $389.0K | 0.00% | −32,844−69.2% | Reduced |
| Moran Wealth Management, LLC | 14,330 | $381.2K | 0.01% | +3,395+31.0% | Added |
| Toroso Investments, LLC | 14,247 | $379.0K | 0.00% | −1,604−10.1% | Reduced |
| Nuveen, LLC | 13,815 | $367.5K | 0.00% | 00.0% | Unchanged |
| Citizens Financial Group Inc | 11,660 | $310.2K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 11,061 | $294.2K | 0.00% | +2,641+31.4% | Added |
| Gabelli Funds LLC | 9,182 | $244.2K | 0.00% | +9,182 | New |
| Invesco Ltd. | 9,133 | $242.9K | 0.00% | +9,133 | New |
| Bank of America Corp | 8,933 | $237.6K | 0.00% | +8,933 | New |
| Empirical Asset Management, LLC | 8,600 | $228.8K | 0.05% | +8,600 | New |
| Rhumbline Advisers | 8,246 | $219.3K | 0.00% | +2,476+42.9% | Added |
| Quinn Opportunity Partners LLC | 8,016 | $213.2K | 0.01% | +8,016 | New |
| Independent Investors Inc | 7,584 | $201.7K | 0.04% | +7,584 | New |
| Wells Fargo & Company | 6,520 | $173.4K | 0.00% | +3,532+118.2% | Added |
| MetLife Investment Management | 4,956 | $131.8K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 4,092 | $108.9K | 0.00% | +3,414+503.5% | Added |
| Citigroup Inc | 3,681 | $97.9K | 0.00% | +3,156+601.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 3,493 | $92.9K | 0.00% | −96−2.7% | Reduced |
| JPMorgan Chase & Co | 3,151 | $85.6K | 0.00% | −2,203−41.1% | Reduced |
| Vanguard Global Advisers, LLC | 2,993 | $79.6K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 1,737 | $46.2K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,472 | $39.2K | 0.00% | +1,472 | New |
| New York State Common Retirement Fund | 1,454 | $38.7K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,400 | $37.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,300 | $34.6K | 0.00% | −418−24.3% | Reduced |
| Barclays PLC | 1,220 | $32.5K | 0.00% | −267−18.0% | Reduced |
| Hilltop National Bank | 1,013 | $26.9K | 0.01% | 00.0% | Unchanged |
| FMR LLC | 933 | $24.8K | 0.00% | +11+1.2% | Added |
| Royal Bank of Canada | 929 | $24.0K | 0.00% | +713+330.1% | Added |
| Ameritas Investment Partners, Inc. | 762 | $20.3K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 709 | $18.9K | 0.00% | −491−40.9% | Reduced |
| Legal & General Group Plc | 675 | $18.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 468 | $12.4K | 0.00% | −856−64.7% | Reduced |
| Versant Capital Management, Inc | 334 | $8.88K | 0.00% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 207 | $5.51K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 160 | $4.26K | 0.00% | +80+100.0% | Added |
| Sterling Capital Management LLC | 153 | $4.07K | 0.00% | −94−38.1% | Reduced |
| Montag A & Associates Inc | 133 | $3.54K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 119 | $3.17K | 0.00% | +95+395.8% | Added |
| California State Teachers Retirement System | 104 | $2.77K | 0.00% | −299−74.2% | Reduced |
| Quent Capital, LLC | 92 | $2.45K | 0.00% | −580−86.3% | Reduced |
| GAMMA Investing LLC | 87 | $2.31K | 0.00% | −18−17.1% | Reduced |
| Jones Financial Companies LLLP | 74 | $2.00K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 61 | $1.62K | 0.00% | +27+79.4% | Added |
| Natixis | 64 | $1.60K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 44 | $1.17K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 41 | $1.09K | 0.00% | −245−85.7% | Reduced |
| Costello Asset Management, INC | 36 | $958 | 0.00% | 00.0% | Unchanged |
| Lummis Asset Management, LP | 36 | $958 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 33 | $878 | 0.00% | +25+312.5% | Added |
| The PNC Financial Services Group, Inc. | 31 | $825 | 0.00% | −13−29.5% | Reduced |
| Global Retirement Partners, LLC | 31 | $825 | 0.00% | +31 | New |
| IFP Advisors, Inc | 29 | $771 | 0.00% | +25+625.0% | Added |
| McMillan Office, Inc. | 28 | $745 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 27 | $718 | 0.00% | +25+1,250.0% | Added |
| Smartleaf Asset Management LLC | 16 | $435 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 14 | $372 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 13 | $346 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 10 | $265 | 0.00% | +2+25.0% | Added |
| True Wealth Design, LLC | 9 | $240 | 0.00% | +1+12.5% | Added |
| Ancora Advisors, LLC | 9 | $239 | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 7 | $186 | 0.00% | 00.0% | Unchanged |