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, Q1 2026
Institutional positions in Seaport Entertainment Group Inc. as of Mar 31, 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
- 118
- +8 vs. Q4 2025
- Shares held
- 10.7M
- +784.9K (+7.9%) vs. Q4 2025
- Total value
- $231.3M
- +$34.7M (+17.6%) vs. Q4 2025
- New holders
- 25
- 32 more added
- Sold out
- 17
- 33 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Seaport Entertainment Group Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 5 | $0 | 0.00% | −5−50.0% | Reduced |
| Game Plan Financial Advisors, LLC | 1 | $21 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1 | $21 | 0.00% | +1 | New |
| Federation des caisses Desjardins du Quebec | 1 | $21 | 0.00% | +1 | New |
| Sachetta, LLC | 1 | $22 | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1 | $22 | 0.00% | +1 | New |
| SJS Investment Consulting Inc. | 1 | $22 | 0.00% | +1 | New |
| Farther Finance Advisors, LLC | 2 | $43 | 0.00% | +2 | New |
| Transamerica Financial Advisors, Inc. | 3 | $64 | 0.00% | −13−81.3% | Reduced |
| US Bancorp | 3 | $64 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 3 | $64 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 4 | $86 | 0.00% | +2+100.0% | Added |
| UBS Asset Management Americas Inc | 5 | $107 | 0.00% | +5 | New |
| Advisory Services Network, LLC | 5 | $107 | 0.00% | +5 | New |
| Signaturefd, LLC | 6 | $129 | 0.00% | −7−53.8% | Reduced |
| Truvestments Capital LLC | 7 | $150 | 0.00% | −6−46.2% | Reduced |
| Sunbelt Securities, Inc. | 7 | $150 | 0.00% | +1+16.7% | Added |
| MAI Capital Management | 7 | $151 | 0.00% | +7 | New |
| Advisor Group Holdings, Inc. | 8 | $171 | 0.00% | −3−27.3% | Reduced |
| True Wealth Design, LLC | 8 | $172 | 0.00% | +1+14.3% | Added |
| Rothschild Investment LLC | 8 | $172 | 0.00% | +8 | New |
| Ancora Advisors, LLC | 9 | $193 | 0.00% | −53,482−100.0% | Reduced |
| Root Financial Partners, LLC | 9 | $193 | 0.00% | +9 | New |
| North Star Investment Management Corp. | 13 | $279 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 14 | $301 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 16 | $336 | 0.00% | 00.0% | Unchanged |
| Greykasell Wealth Strategies, Inc. | 18 | $376 | 0.00% | 00.0% | Unchanged |
| Bayban | 20 | $430 | 0.00% | +20 | New |
| Allworth Financial LP | 24 | $516 | 0.00% | +24 | New |
| McMillan Office, Inc. | 28 | $601 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 34 | $730 | 0.00% | +24+240.0% | Added |
| Costello Asset Management, INC | 36 | $773 | 0.00% | 00.0% | Unchanged |
| Lummis Asset Management, LP | 36 | $773 | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 44 | $945 | 0.00% | +44 | New |
| The PNC Financial Services Group, Inc. | 44 | $946 | 0.00% | +15+51.7% | Added |
| Natixis | 64 | $1.31K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 74 | $1.54K | 0.00% | +49+196.0% | Added |
| Assetmark, Inc | 80 | $1.72K | 0.00% | +80 | New |
| GAMMA Investing LLC | 105 | $2.25K | 0.00% | +47+81.0% | Added |
| Montag A & Associates Inc | 133 | $2.86K | 0.00% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 207 | $4.45K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 216 | $5.00K | 0.00% | −497−69.7% | Reduced |
| Sterling Capital Management LLC | 247 | $5.31K | 0.00% | −183−42.6% | Reduced |
| Essential Partners LLC | 286 | $6.14K | 0.00% | +284+14,200.0% | Added |
| Versant Capital Management, Inc | 334 | $7.17K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 403 | $8.66K | 0.00% | −54−11.8% | Reduced |
| Citigroup Inc | 525 | $11.3K | 0.00% | +177+50.9% | Added |
| Quent Capital, LLC | 672 | $14.4K | 0.00% | +554+469.5% | Added |
| Legal & General Group Plc | 675 | $14.5K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 678 | $14.6K | 0.00% | −28,531−97.7% | Reduced |
| Ameritas Investment Partners, Inc. | 762 | $16.4K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 922 | $19.8K | 0.00% | −225−19.6% | Reduced |
| Hilltop National Bank | 1,013 | $21.8K | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,200 | $25.8K | 0.00% | +1,091+1,000.9% | Added |
| MSRH, LLC | 1,254 | $26.9K | 0.02% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,324 | $28.4K | 0.00% | +597+82.1% | Added |
| STRS Ohio | 1,400 | $30.1K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 1,454 | $31.2K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 1,487 | $31.9K | 0.00% | −10,179−87.3% | Reduced |
| CWM, LLC | 1,592 | $34.2K | 0.00% | +1,344+541.9% | Added |
| BNP Paribas Arbitrage, SA | 1,718 | $36.9K | 0.00% | −76−4.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 1,737 | $37.3K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 2,988 | $64.2K | 0.00% | −6,049−66.9% | Reduced |
| Vanguard Global Advisers, LLC | 2,993 | $64.3K | 0.00% | +2,993 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 3,589 | $77.1K | 0.00% | +90+2.6% | Added |
| MetLife Investment Management | 4,956 | $106.5K | 0.00% | −62−1.2% | Reduced |
| Aquatic Capital Management LLC | 5,216 | $112.0K | 0.00% | +3,288+170.5% | Added |
| JPMorgan Chase & Co | 5,354 | $112.3K | 0.00% | +53+1.0% | Added |
| Rhumbline Advisers | 5,770 | $123.9K | 0.00% | −321−5.3% | Reduced |
| Byrne Asset Management LLC | 6,320 | $135.8K | 0.08% | +6,320 | New |
| Deutsche Bank AG | 8,420 | $180.9K | 0.00% | −2,578−23.4% | Reduced |
| Odyssean, LLC | 9,723 | $208.8K | 0.08% | +9,723 | New |
| American Century Companies Inc | 10,644 | $228.6K | 0.00% | −52−0.5% | Reduced |
| Moran Wealth Management, LLC | 10,935 | $234.9K | 0.01% | +10,935 | New |
| Citizens Financial Group Inc | 11,660 | $250.5K | 0.00% | +11,660 | New |
| Nuveen, LLC | 13,815 | $296.7K | 0.00% | +62+0.5% | Added |
| Morgan Stanley | 15,534 | $333.7K | 0.00% | −10,571−40.5% | Reduced |
| Toroso Investments, LLC | 15,851 | $340.5K | 0.00% | −293−1.8% | Reduced |
| State of New Jersey Common Pension Fund D | 15,891 | $341.3K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 16,785 | $360.5K | 0.01% | 00.0% | Unchanged |
| Commerce Bank | 17,557 | $377.1K | 0.00% | −80.0% | Reduced |
| Trexquant Investment LP | 17,570 | $377.4K | 0.00% | +17,570 | New |
| ArrowMark Colorado Holdings LLC | 18,406 | $395.4K | 0.01% | −121−0.7% | Reduced |
| Principal Financial Group Inc | 18,410 | $395.4K | 0.00% | −13−0.1% | Reduced |
| XTX Topco Ltd | 19,479 | $418.4K | 0.01% | +9,171+89.0% | Added |
| Bank of New York Mellon Corp | 20,516 | $440.7K | 0.00% | −1,640−7.4% | Reduced |
| Ingalls & Snyder LLC | 22,134 | $475.0K | 0.02% | +147+0.7% | Added |
| AQR Capital Management LLC | 23,230 | $499.0K | 0.00% | +23,230 | New |
| Quantinno Capital Management LP | 24,141 | $518.5K | 0.00% | +1,235+5.4% | Added |
| UBS Group AG | 24,460 | $525.4K | 0.00% | −97,471−79.9% | Reduced |
| Price T Rowe Associates Inc | 25,651 | $551.0K | 0.00% | +3,341+15.0% | Added |
| Citadel Advisors LLC | 25,800 | $554.2K | 0.00% | −54,140−67.7% | Reduced |
| Gem Investment Advisors, LLC | 29,738 | $638.8K | 0.63% | −8,710−22.7% | Reduced |
| Marnell Management LLC | 32,300 | $693.8K | 0.46% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 43,062 | $925.0K | 0.00% | +43,062 | New |
| Lazard Asset Management LLC | 47,468 | $1.02M | 0.00% | +846+1.8% | Added |
| O'Keefe Stevens Advisory, Inc. | 47,670 | $1.02M | 0.25% | +33,499+236.4% | Added |
| Vanguard Fiduciary Trust Co | 48,264 | $1.04M | 0.00% | +48,264 | New |
| Colony Group, LLC | 596 | $1.09M | 0.00% | −49,482−98.8% | Reduced |
| Horizon Kinetics Asset Management LLC | 52,440 | $1.13M | 0.01% | −82−0.2% | Reduced |