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American Assets Trust, Inc.

AAT
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0001500217

In the last 90 days, American Assets Trust, Inc. insiders filed 9 open-market purchases and 0 sales; 244 institutions reported holding it in 13F filings for Q2 2026, worth $1.41B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in American Assets Trust, Inc. as of Sep 30, 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

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders
2
0 vs. Q2 2026
Shares held
1.07K
−97 (−8.3%) vs. Q2 2026
Total value
$22.8K
−$6.07K (−21.0%) vs. Q2 2026
New holders
0
0 more added
Sold out
0
1 more reduced

242 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AAT 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.

Institutional holders
Q1 2021: 171 institutionsQ2 2021: 179 institutionsQ3 2021: 187 institutionsQ4 2021: 200 institutionsQ1 2022: 206 institutionsQ2 2022: 201 institutionsQ3 2022: 186 institutionsQ4 2022: 192 institutionsQ1 2023: 194 institutionsQ2 2023: 175 institutionsQ3 2023: 183 institutionsQ4 2023: 194 institutionsQ1 2024: 196 institutionsQ2 2024: 197 institutionsQ3 2024: 214 institutionsQ4 2024: 218 institutionsQ1 2025: 219 institutionsQ2 2025: 226 institutionsQ3 2025: 233 institutionsQ4 2025: 229 institutionsQ1 2026: 235 institutionsQ2 2026: 244 institutions
Value held
Q1 2021: $1.86BQ2 2021: $2.15BQ3 2021: $2.16BQ4 2021: $2.15BQ1 2022: $2.18BQ2 2022: $1.72BQ3 2022: $1.45BQ4 2022: $1.50BQ1 2023: $1.05BQ2 2023: $1.06BQ3 2023: $1.07BQ4 2023: $1.24BQ1 2024: $1.20BQ2 2024: $1.23BQ3 2024: $1.47BQ4 2024: $1.46BQ1 2025: $1.13BQ2 2025: $1.12BQ3 2025: $1.15BQ4 2025: $1.09BQ1 2026: $1.07BQ2 2026: $1.41B
Institutions holding AAT and their total value by quarter
QuarterHoldersValue
Q2 2026244$1.41B
Q1 2026235$1.07B
Q4 2025229$1.09B
Q3 2025233$1.15B
Q2 2025226$1.12B
Q1 2025219$1.13B
Q4 2024218$1.46B
Q3 2024214$1.47B
Q2 2024197$1.23B
Q1 2024196$1.20B
Q4 2023194$1.24B
Q3 2023183$1.07B
Q2 2023175$1.06B
Q1 2023194$1.05B
Q4 2022192$1.50B
Q3 2022186$1.45B
Q2 2022201$1.72B
Q1 2022206$2.18B
Q4 2021200$2.15B
Q3 2021187$2.16B
Q2 2021179$2.15B
Q1 2021171$1.86B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding American Assets Trust, Inc.; share changes are against Q2 2026.

Institutions holding AAT in Q3 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Versant Capital Management, Inc948$20.2K0.00%00.0%Unchanged
Massmutual Trust Co FSB123$2.62K0.00%−97−44.1%Reduced
BlackRock, Inc.––––Not filed
American Assets Inc––––Not filed
Vanguard Portfolio Management LLC––––Not filed
State Street Corp––––Not filed
Senvest Management, LLC––––Not filed
LSV Asset Management––––Not filed
Vanguard Capital Management LLC––––Not filed
American Assets Investment Management, LLC––––Not filed
Geode Capital Management, LLC––––Not filed
Charles Schwab Investment Management Inc––––Not filed
Ameriprise Financial Inc––––Not filed
Arrowstreet Capital, Limited Partnership––––Not filed
Fuller & Thaler Asset Management, Inc.––––Not filed
Morgan Stanley––––Not filed
Private Management Group Inc––––Not filed
Invesco Ltd.––––Not filed
Northern Trust Corp––––Not filed
Dimensional Fund Advisors LP––––Not filed
Two Sigma Investments, LP––––Not filed
Algert Global LLC––––Not filed
JPMorgan Chase & Co––––Not filed
Bank of New York Mellon Corp––––Not filed
Hotchkis & Wiley Capital Management LLC––––Not filed
UBS Group AG––––Not filed
Bessemer Group Inc––––Not filed
Goldman Sachs Group Inc––––Not filed
AQR Capital Management LLC––––Not filed
CSM Advisors, LLC––––Not filed
Panagora Asset Management Inc––––Not filed
Raymond James Financial Inc––––Not filed
UBS Asset Management Americas Inc––––Not filed
Vanguard Fiduciary Trust Co––––Not filed
Principal Financial Group Inc––––Not filed
O'Shaughnessy Asset Management, LLC––––Not filed
Jacobs Levy Equity Management, Inc––––Not filed
Citadel Advisors LLC––––Not filed
Legal & General Group Plc––––Not filed
First Trust Advisors LP––––Not filed
Qube Research & Technologies Ltd––––Not filed
FMR LLC––––Not filed
Argosy-Lionbridge Management, LLC––––Not filed
Nuveen, LLC––––Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH––––Not filed
Allianz Asset Management GmbH––––Not filed
Man Group plc––––Not filed
HSBC Holdings PLC––––Not filed
Bank of America Corp––––Not filed
Martingale Asset Management L P––––Not filed
Public Sector Pension Investment Board––––Not filed
XTX Topco Ltd––––Not filed
Lighthouse Investment Partners, LLC––––Not filed
Rhumbline Advisers––––Not filed
Prudential Financial Inc––––Not filed
Great West Life Assurance Co––––Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.––––Not filed
Quantinno Capital Management LP––––Not filed
Norges Bank––––Not filed
Swiss National Bank––––Not filed
Royal Bank of Canada––––Not filed
Franklin Resources Inc––––Not filed
Nomura Asset Management Co Ltd––––Not filed
Price T Rowe Associates Inc––––Not filed
Millennium Management LLC––––Not filed
Citigroup Inc––––Not filed
Nomura Asset Management International Inc.––––Not filed
Asset Management One Co.,Ltd.––––Not filed
Renaissance Technologies LLC––––Not filed
Deutsche Bank AG––––Not filed
Denali Advisors LLC––––Not filed
State of New Jersey Common Pension Fund D––––Not filed
Bank of Montreal––––Not filed
Polymer Capital Management (US) LLC––––Not filed
State of Wisconsin Investment Board––––Not filed
Alliancebernstein L.P.––––Not filed
Public Employees Retirement System of Ohio––––Not filed
Russell Investments Group, Ltd.––––Not filed
Penserra Capital Management LLC––––Not filed
Lazard Asset Management LLC––––Not filed
Wolverine Asset Management LLC––––Not filed
Sumitomo Mitsui Trust Holdings, Inc.––––Not filed
Picton Mahoney Asset Management––––Not filed
California State Teachers Retirement System––––Not filed
Ieq Capital, LLC––––Not filed
Mercer Global Advisors Inc––––Not filed
Commonwealth of Pennsylvania Public School Empls Retrmt Sys––––Not filed
Wells Fargo & Company––––Not filed
Vanguard Investments Australia, Ltd.––––Not filed
State of Alaska, Department of Revenue––––Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)––––Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.––––Not filed
Summit Global Investments––––Not filed
Envestnet Asset Management Inc––––Not filed
Vanguard Asset Management, Ltd––––Not filed
Engineers Gate Manager LP––––Not filed
Creative Planning––––Not filed
Graham Capital Management, L.P.––––Not filed
Horizon Investments, LLC––––Not filed
New York State Common Retirement Fund––––Not filed