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Who owns AATWhat AAT owns — n/a

Who owns American Assets Trust, Inc.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of AAT from SEC Form 13F filings across 246 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, 246 institutions disclosed 59.8M shares of American Assets Trust, Inc. worth $1.36B — about 98.6% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.

246

13F holders

$1.36B

value, 2026 filers

98.6%

of shares outstanding (59.8M sh)

36

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 AAT's shares outstanding

#ManagerSharesValue% of fund% of co.Δ shares QoQ
1BlackRock, Inc.9.2M$226.2M0.0%15.1%-3.1%
2AMERICAN ASSETS INC7.4M$182.1M54.8%12.1%0.0%
3VANGUARD PORTFOLIO MANAGEMENT LLC5.5M$135.1M0.0%9%+1.4%
4STATE STREET CORP2.8M$69.1M0.0%4.6%-1.6%
5Senvest Management, LLC2.7M$65.5M1.9%4.4%-25.9%
6LSV ASSET MANAGEMENT2.2M$54,6150.1%3.6%+11.9%
7VANGUARD CAPITAL MANAGEMENT LLC2.1M$50.7M0.0%3.4%-3.1%
8American Assets Investment Management, LLC1.5M$36.5M2.2%2.4%0.0%
9GEODE CAPITAL MANAGEMENT, LLC1.4M$34.4M0.0%2.3%+4.3%
10CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.3M$31.6M0.0%2.1%+1.5%
11Sixth Street Partners Management Company, L.P.NEW1.3M$31.6M5.5%2.1%new
12CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1.3M$51,3090.0%2.1%+2730.4%
13AMERIPRISE FINANCIAL INC1.0M$25.7M0.0%1.7%+10.1%
14ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.0M$25.5M0.0%1.7%+7.4%
15FULLER & THALER ASSET MANAGEMENT, INC.1.0M$25.2M0.1%1.7%+71.2%
16MORGAN STANLEY953,785$23.5M0.0%1.6%+8.0%
17PRIVATE MANAGEMENT GROUP INC800,019$19.8M0.5%1.3%-0.8%
18Invesco Ltd.709,148$17.5M0.0%1.2%-12.0%
19NORTHERN TRUST CORP665,613$16.4M0.0%1.1%-14.1%
20DIMENSIONAL FUND ADVISORS LP663,092$16.4M0.0%1.1%+7.5%
21TWO SIGMA INVESTMENTS, LP618,313$15.3M0.0%1%+13.9%
22ALGERT GLOBAL LLC589,233$14.5M0.2%1%-27.5%
23JPMORGAN CHASE & CONEW516,647$12.9M0.0%0.9%new
24Bank of New York Mellon Corp452,076$11.2M0.0%0.7%-1.6%
25HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC435,679$10.8M0.0%0.7%-6.5%

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.

EvidInvest is an independent research and information tool. Figures are calculated from public SEC filings and third-party market data and are provided for informational and educational purposes only. EvidInvest does not provide investment advice, brokerage, or financial services, and is not affiliated with any company it covers. Verify all figures against primary sources before making any decision.