Who owns Seaport Entertainment Group Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of SEG from SEC Form 13F filings across 92 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 92 institutions disclosed 7.6M shares of Seaport Entertainment Group Inc. worth $201.8M — about 59.7% of shares outstanding; the largest disclosed holder is PERSHING SQUARE INC.. Source: SEC Form 13F filings, parsed by EvidInvest.
92
13F holders
$201.8M
value, 2026 filers
59.7%
of shares outstanding (7.6M sh)
15
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of SEG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PERSHING SQUARE INC.NEW | 5.0M | $133.6M | 0.7% | 39.2% | new |
| 2 | BlackRock, Inc. | 553,120 | $14.7M | 0.0% | 4.3% | +9.4% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 384,200 | $10.2M | 0.0% | 3% | +792.2% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 343,549 | $9.1M | 0.0% | 2.7% | -47.6% |
| 5 | Cerity Partners LLC | 314,955 | $8.4M | 0.0% | 2.5% | -1.2% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 208,136 | $5.5M | 0.0% | 1.6% | +12.5% |
| 7 | GOLDMAN SACHS GROUP INC | 117,344 | $3.1M | 0.0% | 0.9% | +12.6% |
| 8 | Sixth Street Partners Management Company, L.P.NEW | 63,587 | $1.7M | 0.3% | 0.5% | new |
| 9 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 63,587 | $1.7M | 0.0% | 0.5% | +2.5% |
| 10 | NORTHERN TRUST CORP | 60,461 | $1.6M | 0.0% | 0.5% | +5.8% |
| 11 | LPL Financial LLC | 51,711 | $1.4M | 0.0% | 0.4% | -2.0% |
| 12 | VANGUARD FIDUCIARY TRUST CO | 50,880 | $1.4M | 0.0% | 0.4% | +5.4% |
| 13 | PRICE T ROWE ASSOCIATES INC /MD/ | 31,663 | $843 | 0.0% | 0.2% | +23.4% |
| 14 | Quantinno Capital Management LP | 27,643 | $735,304 | 0.0% | 0.2% | +14.5% |
| 15 | MORGAN STANLEY | 27,027 | $718,925 | 0.0% | 0.2% | +74.0% |
| 16 | Bank of New York Mellon Corp | 22,604 | $601,266 | 0.0% | 0.2% | +10.2% |
| 17 | INGALLS & SNYDER LLC | 22,102 | $588 | 0.0% | 0.2% | -0.1% |
| 18 | UBS Group AG | 22,079 | $587,301 | 0.0% | 0.2% | -9.7% |
| 19 | PRINCIPAL FINANCIAL GROUP INC | 18,226 | $484,804 | 0.0% | 0.1% | -1.0% |
| 20 | COMMERCE BANK | 17,557 | $467,016 | 0.0% | 0.1% | 0.0% |
| 21 | State of New Jersey Common Pension Fund D | 15,891 | $422,701 | 0.0% | 0.1% | 0.0% |
| 22 | AMERICAN CENTURY COMPANIES INC | 15,180 | $403,788 | 0.0% | 0.1% | +42.6% |
| 23 | Marquette Asset Management, LLCNEW | 14,749 | $392,324 | 0.1% | 0.1% | new |
| 24 | LAZARD ASSET MANAGEMENT LLC | 14,624 | $388,998 | 0.0% | 0.1% | -69.2% |
| 25 | Moran Wealth Management, LLC | 14,330 | $381,178 | 0.0% | 0.1% | +31.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.