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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
Diversified Trust Co17,054$314.0K0.01%+2,066+13.8%Added
Van Eck Associates Corp17,055$314.0K0.00%+583+3.5%Added
One Wealth Advisors, LLC17,875$329.1K0.04%+1,263+7.6%Added
Evergreen Capital Management LLC18,300$336.9K0.01%+7,931+76.5%Added
Daiwa Securities Group Inc.18,322$337.3K0.00%+363+2.0%Added
Standard Life Aberdeen plc18,421$339.1K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC19,016$350.1K0.00%+19,016New
Manufacturers Life Insurance Company, The19,669$362.1K0.00%−3,291−14.3%Reduced
State of Tennessee, Treasury Department20,172$371.4K0.00%00.0%Unchanged
SG Americas Securities, LLC20,732$382.0K0.00%−12,808−38.2%Reduced
Gsa Capital Partners LLP20,862$384.0K0.02%+20,862New
Vert Asset Management LLC20,869$384.2K0.12%−407−1.9%Reduced
Resona Asset Management Co.,Ltd.20,997$385.8K0.00%+807+4.0%Added
Louisiana State Employees Retirement System21,000$386.6K0.01%−600−2.8%Reduced
Cerity Partners LLC21,564$397.0K0.00%+4,871+29.2%Added
Janus Henderson Group PLC22,453$413.7K0.00%00.0%Unchanged
Toroso Investments, LLC22,548$415.1K0.00%+1,070+5.0%Added
HighTower Advisors, LLC22,590$415.9K0.00%+1,030+4.8%Added
American Century Companies Inc22,826$420.2K0.00%00.0%Unchanged
Handelsbanken Fonder AB23,002$423.0K0.00%+4,900+27.1%Added
Skopos Labs, Inc.23,058$424.5K0.01%+23,058New
Mirae Asset Global ETFs Holdings Ltd.24,388$449.0K0.00%+209+0.9%Added
Wells Fargo & Company24,421$449.6K0.00%−38,238−61.0%Reduced
Fox Run Management, L.L.C.24,971$458.7K0.08%−202−0.8%Reduced
New York State Teachers Retirement System25,154$463.0K0.00%−1,390−5.2%Reduced
Russell Investments Group, Ltd.25,183$463.6K0.00%−36,023−58.9%Reduced
Illinois Municipal Retirement Fund25,354$466.8K0.01%−1,203−4.5%Reduced
Creative Planning27,159$500.0K0.00%+8,420+44.9%Added
Susquehanna International Group, LLP27,394$504.3K0.00%+27,394New
Evolve Private Wealth, LLC27,675$509.5K0.03%+2,759+11.1%Added
Vanguard Asset Management, Ltd29,173$537.1K0.00%+29,173New
Macquarie Group Ltd29,457$542.3K0.00%00.0%Unchanged
Lighthouse Investment Partners, LLC31,447$578.9K0.02%+31,447New
Thrivent Financial for Lutherans31,601$582.0K0.00%−849−2.6%Reduced
Mercer Global Advisors Inc32,117$591.3K0.00%+3,549+12.4%Added
MetLife Investment Management32,203$592.9K0.00%−292−0.9%Reduced
CWM Advisors, LLC33,719$620.8K0.04%+3,977+13.4%Added
Amundi34,617$637.3K0.00%+2,455+7.6%Added
AlphaCentric Advisors LLC35,000$644.4K0.64%00.0%Unchanged
Crossingbridge Advisors, LLC35,000$644.4K0.12%00.0%Unchanged
New York State Common Retirement Fund35,012$644.6K0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys35,106$646.3K0.00%+6,743+23.8%Added
Wolverine Asset Management LLC35,477$653.1K0.01%−17,335−32.8%Reduced
Engineers Gate Manager LP35,670$656.7K0.01%+10,676+42.7%Added
DekaBank Deutsche Girozentrale35,179$657.0K0.00%00.0%Unchanged
Envestnet Asset Management Inc36,939$680.1K0.00%+22,718+159.7%Added
Summit Global Investments40,027$737.0K0.04%−1,828−4.4%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.40,974$754.3K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)41,160$757.8K0.00%+10,495+34.2%Added
SEI Investments Co42,461$781.7K0.00%−13,446−24.1%Reduced
Graham Capital Management, L.P.42,959$790.9K0.03%+10,089+30.7%Added
California State Teachers Retirement System44,757$824.0K0.00%−386−0.9%Reduced
Vanguard Investments Australia, Ltd.46,654$858.9K0.00%+46,654New
State of Wisconsin Investment Board46,825$862.0K0.00%+24,074+105.8%Added
Ieq Capital, LLC49,417$909.8K0.00%−32,736−39.8%Reduced
Bank of Montreal51,197$942.5K0.00%−40,570−44.2%Reduced
Dark Forest Capital Management LP51,237$943.3K0.08%+2,421+5.0%Added
State of Alaska, Department of Revenue52,241$960.0K0.01%−385−0.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.54,274$999.2K0.00%−795−1.4%Reduced
New Age Alpha Advisors, LLC55,452$1.02M0.05%−2,099−3.6%Reduced
Price T Rowe Associates Inc57,927$1.07M0.00%+12,340+27.1%Added
Lazard Asset Management LLC58,028$1.07M0.00%−4,774−7.6%Reduced
Barclays PLC59,165$1.09M0.00%−69,686−54.1%Reduced
Royal Bank of Canada59,471$1.09M0.00%+7,551+14.5%Added
Public Employees Retirement System of Ohio60,610$1.12M0.00%−6,782−10.1%Reduced
Penserra Capital Management LLC61,346$1.13M0.01%+1,709+2.9%Added
State of New Jersey Common Pension Fund D62,735$1.15M0.00%00.0%Unchanged
Denali Advisors LLC62,800$1.16M0.13%00.0%Unchanged
Deutsche Bank AG64,060$1.18M0.00%−5,193−7.5%Reduced
Renaissance Technologies LLC65,000$1.20M0.00%−44,100−40.4%Reduced
Asset Management One Co.,Ltd.66,793$1.23M0.00%−1,372−2.0%Reduced
Quantinno Capital Management LP67,506$1.24M0.00%+40,465+149.6%Added
Nomura Asset Management International Inc.68,800$1.27M0.00%+31,400+84.0%Added
Citigroup Inc71,957$1.32M0.00%−8,868−11.0%Reduced
Nomura Asset Management Co Ltd72,840$1.34M0.00%+1,700+2.4%Added
Franklin Resources Inc81,226$1.50M0.00%−18,045−18.2%Reduced
Alliancebernstein L.P.80,807$1.53M0.00%−209−0.3%Reduced
STRS Ohio86,400$1.59M0.01%−195,200−69.3%Reduced
HSBC Holdings PLC95,818$1.76M0.00%+17,013+21.6%Added
Swiss National Bank96,500$1.78M0.00%00.0%Unchanged
XTX Topco Ltd110,121$2.03M0.04%+69,427+170.6%Added
Qube Research & Technologies Ltd113,144$2.08M0.00%−33,847−23.0%Reduced
Martingale Asset Management L P119,393$2.20M0.06%−40.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.122,150$2.25M0.00%−3,421−2.7%Reduced
Great West Life Assurance Co124,747$2.30M0.00%+1,730+1.4%Added
Allianz Asset Management GmbH141,194$2.60M0.00%−148,405−51.2%Reduced
Rhumbline Advisers149,800$2.76M0.00%−6,891−4.4%Reduced
Man Group plc152,772$2.81M0.01%−19,816−11.5%Reduced
Bank of America Corp157,652$2.90M0.00%−33,817−17.7%Reduced
Prudential Financial Inc159,675$2.94M0.00%+4,940+3.2%Added
Jane Street Group, LLC165,000$3.04M0.00%+165,000New
Public Sector Pension Investment Board169,363$3.12M0.01%+5,733+3.5%Added
CSM Advisors, LLC193,026$3.55M0.09%+193,026New
Universal- Beteiligungs- und Servicegesellschaft mbH205,392$3.78M0.01%+1,007+0.5%Added
Argosy-Lionbridge Management, LLC209,863$3.86M2.71%−5,000−2.3%Reduced
Citadel Advisors LLC221,856$4.08M0.00%−53,846−19.5%Reduced
Bessemer Group Inc256,158$4.72M0.01%+88,533+52.8%Added
Nuveen, LLC257,650$4.74M0.00%−395,621−60.6%Reduced
Raymond James Financial Inc267,767$4.93M0.00%+62,446+30.4%Added
O'Shaughnessy Asset Management, LLC270,027$4.97M0.02%+1,294+0.5%Added