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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, Q1 2026

Institutional positions in American Assets Trust, Inc. as of Mar 31, 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

Institutional holders
235
+11 vs. Q4 2025
Shares held
58.3M
+8.63M (+17.4%) vs. Q4 2025
Total value
$1.07B
+$133.4M (+14.2%) vs. Q4 2025
New holders
36
77 more added
Sold out
25
87 more reduced

5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 235 institutions
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 heldQ1 2026: $1.07B
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, Q1 2026

Shares, value and share of portfolio for each institution holding American Assets Trust, Inc.; share changes are against Q4 2025.

Institutions holding AAT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Waterfall Asset Management, LLC279,323$5.14M2.88%−126,710−31.2%Reduced
Principal Financial Group Inc298,898$5.50M0.00%+1,753+0.6%Added
Vanguard Fiduciary Trust Co305,895$5.63M0.00%+305,895New
Panagora Asset Management Inc317,468$5.84M0.02%+1,081+0.3%Added
Jacobs Levy Equity Management, Inc318,977$5.87M0.02%+179,784+129.2%Added
FMR LLC318,977$5.87M0.00%+53,619+20.2%Added
Legal & General Group Plc353,872$6.51M0.00%−25,491−6.7%Reduced
AQR Capital Management LLC357,762$6.59M0.00%−142,083−28.4%Reduced
First Trust Advisors LP410,598$7.56M0.01%+10,880+2.7%Added
Goldman Sachs Group Inc417,988$7.70M0.00%+67,194+19.2%Added
UBS Group AG425,329$7.83M0.00%+334,448+368.0%Added
Millennium Management LLC450,195$8.29M0.01%+179,833+66.5%Added
Bank of New York Mellon Corp459,495$8.46M0.00%−38,547−7.7%Reduced
Hotchkis & Wiley Capital Management LLC465,859$8.58M0.03%+55,130+13.4%Added
Two Sigma Investments, LP542,732$9.99M0.01%+404,526+292.7%Added
Fuller & Thaler Asset Management, Inc.595,760$11.0M0.04%+191,051+47.2%Added
Dimensional Fund Advisors LP616,883$11.4M0.00%−101,023−14.1%Reduced
Northern Trust Corp774,537$14.3M0.00%+6,250+0.8%Added
Invesco Ltd.805,626$14.8M0.00%+155,931+24.0%Added
Private Management Group Inc806,584$14.8M0.43%+806,584New
Algert Global LLC812,901$15.0M0.23%+253,727+45.4%Added
Morgan Stanley883,482$16.3M0.00%−71,821−7.5%Reduced
Ameriprise Financial Inc952,582$17.5M0.00%−331,162−25.8%Reduced
Arrowstreet Capital, Limited Partnership960,837$17.7M0.01%−74,870−7.2%Reduced
Charles Schwab Investment Management Inc1,261,384$23.2M0.00%+179,301+16.6%Added
JPMorgan Chase & Co1,279,523$23.5M0.00%−85,876−6.3%Reduced
Geode Capital Management, LLC1,336,571$24.6M0.00%+12,602+1.0%Added
American Assets Investment Management, LLC1,477,340$27.2M1.85%00.0%Unchanged
LSV Asset Management1,976,474$36.4M0.08%+131,318+7.1%Added
Vanguard Capital Management LLC2,118,674$39.0M0.00%+2,118,674New
State Street Corp2,844,330$52.4M0.00%−53,063−1.8%Reduced
Senvest Management, LLC3,577,054$65.9M2.19%+647,618+22.1%Added
Vanguard Portfolio Management LLC5,396,960$99.4M0.01%+5,396,960New
American Assets Inc7,374,599$135.8M45.71%00.0%Unchanged
BlackRock, Inc.9,452,442$174.0M0.00%+136,847+1.5%Added
Kennedy Capital Management, Inc.0$00.00%−554,930−100.0%Sold out
Wellington Management Group LLP0$00.00%−218,168−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−146,529−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−87,474−100.0%Sold out
Anson Funds Management LP0$00.00%−75,785−100.0%Sold out
Acadian Asset Management LLC0$00.00%−63,846−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−54,100−100.0%Sold out
Voya Investment Management LLC0$00.00%−45,471−100.0%Sold out
Globeflex Capital L P0$00.00%−31,861−100.0%Sold out
Quest Partners LLC0$00.00%−25,511−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−20,585−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−20,493−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−15,371−100.0%Sold out
Ritholtz Wealth Management0$00.00%−13,694−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−10,752−100.0%Sold out
VARCOV Co.0$00.00%−10,451−100.0%Sold out
Vident Advisory, LLC0$00.00%−10,394−100.0%Sold out
ProShare Advisors LLC0$00.00%−10,058−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−498−100.0%Sold out
Salomon & Ludwin, LLC0$00.00%−323−100.0%Sold out
SageView Advisory Group, LLC0$00.00%−259−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−262−100.0%Sold out
UMA Financial Services, Inc.0$00.00%−53−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−10−100.0%Sold out
Ankerstar Wealth, LLC0$00.00%−8−100.0%Sold out
Vanguard Group Inc––––Not filed
Norges Bank––––Not filed
EMC Capital Management––––Not filed
CIBC Private Wealth Group, LLC––––Not filed
Global Retirement Partners, LLC––––Not filed