SEG Institutional Ownership
Who owns Seaport Entertainment Group Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 117 funds reported holding SEG at Jun 30, 2026, together owning 86.9% of the company.
- ▲52 buying vs 36 selling
- ▲Held by funds +3.2 pts
- ●Funds holding -1
- ▼Superinvestors: 1 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 117 | 118 | −0.8% |
| In funds' top 10 | 3 | 3 | 0.0% |
| 13F shares | 11.1M | 10.7M | +3.8% |
| Held by funds | 86.9% | 83.7% | +3.2 pts |
| New positions | 14 | 21 | −33.3% |
| Increased | 38 | 32 | +18.8% |
| Reduced | 24 | 31 | −22.6% |
| Sold out | 12 | 19 | −36.8% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SEG
All superinvestors →
Who owns SEG
share of fund held shares- Index and passive funds20.3%
- Active managers and hedge funds76.9%
- Banks and brokers2.7%
- Pensions, insurers and other0.2%
The top 10 holders own 84.8% of all SEG shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
17 funds changed their position- Marquette Asset Management, LLCSold out−15K sh
- Citizens Financial Group Inc/riSold out−12K sh
- Independent Investors IncSold out−7,584 sh
- Peapod Lane Capital LLCTrimmed−7,711 sh
- O'Keefe Stevens Advisory, Inc.Added+4,784 sh
🔒 Free account: see all 17.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Pershing Square Inc. | 39.22% | 5M | $134M | +5M |
| 2 | Kahn Brothers Group Inc | 7.16% | 917K | $24.4M | +24K |
| 3 | Gate City Capital Management, LLC | 5.65% | 723K | $19.2M | +34K |
| 4 | Rubric Capital Management LP | 4.44% | 569K | $15.1M | 0 |
| 5 | BlackRock, Inc. | 4.32% | 553K | $14.7M | +47K |
| 6 | Dimensional Fund Advisors LP | 3.10% | 397K | $10.5M | −59K |
| 7 | Vanguard Portfolio Management LLC | 3.00% | 384K | $10.2M | +341K |
| 8 | Vanguard Capital Management LLC | 2.68% | 344K | $9.1M | +16K |
| 9 | Cerity Partners LLC | 2.46% | 315K | $8.4M | −3,964 |
| 10 | Solas Capital Management, LLC | 1.66% | 213K | $5.7M | −10K |
- Pershing Square Inc.+5M sh+$134M
- Vanguard Portfolio Management LLC+341K sh+$9.1M
- BlackRock, Inc.+47K sh+$1.3M
- Gate City Capital Management, LLC+34K sh+$899K
- AQR Capital Management LLC+28K sh+$742K
- Kahn Brothers Group Inc+24K sh+$632K
- Geode Capital Management, LLC+23K sh+$615K
- Peapod Lane Capital LLC+17K sh+$461K
- Dimensional Fund Advisors LP−59K sh−$1.6M
- Renaissance Technologies LLC−54K sh−$1.4M
- Lazard Asset Management LLC−33K sh−$874K
- Marnell Management LLC−32K sh−$694K
- Citadel Advisors LLC−26K sh−$554K
- ArrowMark Colorado Holdings LLC−18K sh−$395K
- Solas Capital Management, LLC−10K sh−$267K
- Horizon Kinetics Asset Management LLC−9,937 sh−$264K
SEG institutional ownership FAQ
Who owns the most SEG stock?
In Q2 2026 13F filings the largest holder of SEG was Pershing Square Inc., followed by Kahn Brothers Group Inc and Gate City Capital Management, LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of SEG is owned by institutions?
Funds that file 13F reports held 86.9% of SEG's shares at Jun 30, 2026, compared with 83.7% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying SEG?
In Q2 2026, 52 funds bought SEG (14 of them new positions) and 36 sold (12 sold out completely). Among well known investors, 1 added and 2 cut. Our fund sentiment for SEG is neutral.
What is SEG's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this SEG ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.