Seaport Entertainment Group Inc. (SEG) Ownership
SEG ownership summary
as of October 18, 2026- Institutions
- 87.4% of shares outstanding
- Insiders
- 3.02% of shares outstanding
- Shares outstanding
- 12.8M
- Float
- 7.4M shares available to trade
- Short interest
- 8.25% 637K shares short
- Days to cover
- 9.13 short interest down 7.3% vs prior month
- Institutions 87.36%
- Insiders 3.02%
- Other investors 9.62%
SEG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Pershing Square Capital Management, L.P. | 39.22% | 5.0M | $114.4M | — | March 31, 2026 |
| 2 | Pershing Square Inc | 39.22% | 5.0M | $114.4M | +5.0M (0.0%) | June 30, 2026 |
| 3 | Kahn Brothers & CO Inc /DE/ | 7.16% | 917K | $20.9M | +23,778 (+2.7%) | June 30, 2026 |
| 4 | Gate City Capital Management, LLC | 5.65% | 723K | $16.5M | +33,801 (+4.9%) | June 30, 2026 |
| 5 | Rubric Capital Management LP | 4.44% | 569K | $12.9M | — | June 30, 2026 |
| 6 | BlackRock Inc | 4.32% | 553K | $12.6M | +47,491 (+9.4%) | June 30, 2026 |
| 7 | Dimensional Fund Advisors, Inc. | 3.10% | 397K | $9.0M | −58,581 (−12.9%) | June 30, 2026 |
| 8 | Vanguard Portfolio Management, LLC | 3.00% | 384K | $8.7M | +341,138 (+792.2%) | June 30, 2026 |
| 9 | Vanguard Capital Management, LLC | 2.68% | 344K | $7.8M | +15,864 (+4.8%) | June 30, 2026 |
| 10 | HPM Partners LLC | 2.46% | 315K | $7.2M | −3,964 (−1.2%) | June 30, 2026 |
| 11 | Solas Capital Management LLC | 1.66% | 213K | $4.8M | −10,026 (−4.5%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 1.62% | 208K | $4.7M | +23,116 (+12.5%) | June 30, 2026 |
| 13 | State Street Corp | 1.45% | 186K | $4.2M | +7,857 (+4.4%) | June 30, 2026 |
| 14 | The Goldman Sachs Group Inc | 0.92% | 117K | $2.7M | +13,148 (+12.6%) | June 30, 2026 |
| 15 | Peapod Lane Capital LLC | 0.86% | 110K | $2.5M | +17,345 (+18.8%) | June 30, 2026 |
| 16 | Charles Schwab Investment Management Inc | 0.50% | 64K | $1.4M | +1,581 (+2.5%) | June 30, 2026 |
| 17 | Northern Trust Corp | 0.47% | 60K | $1.4M | +3,308 (+5.8%) | June 30, 2026 |
| 18 | O'Keefe Stevens Advisory, Inc. | 0.42% | 54K | $1.2M | +4,784 (+9.7%) | September 30, 2026 |
| 19 | LPL Financial Corp | 0.40% | 52K | $1.2M | −1,055 (−2.0%) | June 30, 2026 |
| 20 | AQR Capital Management LLC | 0.40% | 51K | $1.2M | +27,904 (+120.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 5.6M shares and 4 cut 74K.
SEG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Real Estate Index Investor | 2.17% | 278K | $6.3M | +880 (+0.3%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.96% | 251K | $5.7M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 1.53% | 196K | $4.5M | −2,240 (−1.1%) | September 30, 2026 |
| 4 | DFA US Small Cap Value I | 0.64% | 82K | $1.9M | — | August 31, 2026 |
| 5 | Fidelity Small Cap Index | 0.63% | 80K | $1.8M | +543 (+0.7%) | July 31, 2026 |
| 6 | iShares Russell 2000 Value ETF | 0.55% | 70K | $1.6M | +106 (+0.2%) | September 30, 2026 |
| 7 | DFA US Micro Cap I | 0.42% | 53K | $1.2M | — | August 31, 2026 |
| 8 | Vanguard Real Estate II Index | 0.39% | 49K | $1.1M | +435 (+0.9%) | September 30, 2026 |
| 9 | Vanguard Russell 2000 ETF | 0.34% | 44K | $999,489 | +414 (+1.0%) | September 30, 2026 |
| 10 | DFA US Small Cap I | 0.34% | 44K | $995,231 | — | August 31, 2026 |
| 11 | Schwab US Small-Cap ETF™ | 0.31% | 40K | $907,043 | +18 (+0.0%) | September 30, 2026 |
| 12 | Fidelity Extended Market Index | 0.30% | 38K | $864,782 | −204 (−0.5%) | August 31, 2026 |
| 13 | Kinetics Paradigm No Load | 0.23% | 30K | $683,100 | — | June 30, 2026 |
| 14 | Dimensional US Small Cap Value ETF | 0.21% | 27K | $612,832 | — | September 24, 2026 |
| 15 | iShares Micro-Cap ETF | 0.19% | 24K | $541,744 | −164 (−0.7%) | September 30, 2026 |
| 16 | Dimensional US Small Cap ETF | 0.18% | 23K | $527,444 | — | September 30, 2026 |
| 17 | Dimensional US Core Equity 2 ETF | 0.17% | 21K | $486,595 | — | September 30, 2026 |
| 18 | DFA US Core Equity 2 I | 0.15% | 20K | $446,816 | — | August 31, 2026 |
| 19 | Schwab Small Cap Index | 0.14% | 18K | $420,403 | — | August 31, 2026 |
| 20 | DFA US Core Equity 1 I | 0.13% | 17K | $378,756 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SEG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SEG
Institutional investors own 87.4% of Seaport Entertainment's shares and insiders 3.02%. The largest holder is Pershing Square Capital Management, L.P. with 39.22% of the shares (5.0M), as of March 31, 2026. Among the top 20 institutions, 14 added shares and 4 reduced their stake in the latest filings. Short interest is 8.25% of the float, or 9.13 days of average trading volume. The share count rose 112.0% since 2022.
Related: SEG analyst forecast, SEG key metrics. See the SEG stock overview for the latest quote and news.
SEG ownership FAQ
Who owns the most Seaport Entertainment stock?
The largest shareholders of Seaport Entertainment are Pershing Square Capital Management, L.P. (39.22%), Pershing Square Inc (39.22%), Kahn Brothers & CO Inc /DE/ (7.16%), Gate City Capital Management, LLC (5.65%), Rubric Capital Management LP (4.44%).
What percentage of Seaport Entertainment is owned by institutions?
Institutions hold 87.4% of Seaport Entertainment's shares outstanding; insiders hold 3.02%.
Which funds own Seaport Entertainment?
The largest fund holders of Seaport Entertainment are Vanguard Real Estate Index Investor (2.17%), Vanguard MStar Total Stk Mkt Idx Invest (1.96%), iShares Russell 2000 ETF (1.53%), DFA US Small Cap Value I (0.64%), Fidelity Small Cap Index (0.63%).
What is Seaport Entertainment's short interest?
637K shares of Seaport Entertainment were sold short, 8.25% of the float; at the average daily volume it would take 9.13 days to cover.
How many shares of Seaport Entertainment are outstanding?
Seaport Entertainment has 12.8M shares outstanding, of which 7.4M are in the public float.