American Assets TrustAAT
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 235 institutions reported holding American Assets Trust Inc. (AAT) in their 13F filings, up 6 from Q4 2025. 30 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($174.0M), American Assets Inc. ($135.8M) and Vanguard Portfolio Management LLC ($99.4M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- American Assets Trust Inc.
- CUSIP
- 024013104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 30 | $25.3M |
| Exits | 23 | $23.6M |
All 13F filers, Q4 2025 → Q1 2026: 4,874,865 shares bought and 3,985,629 shares sold, net +889,236 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 235 holders
| BlackRock, Inc. | 0.00% | Add +1.5% | 9,452,442 | $174.0M |
| American Assets Inc. | 45.49% | No change | 7,374,599 | $135.8M |
| Vanguard Portfolio Management LLC | 0.01% | — | 5,396,960 | $99.4M |
| Senvest Management, LLC | 2.19% | Add +22.1% | 3,577,054 | $65.9M |
| State Street Corp. | 0.00% | Reduce -1.8% | 2,844,330 | $52.4M |
| Vanguard Capital Management LLC | 0.00% | — | 2,118,674 | $39.0M |
| LSV Asset Management | 0.08% | Add +7.1% | 1,976,474 | $36.4M |
| American Assets Investment Management, LLC | 1.85% | No change | 1,477,340 | $27.2M |
| Geode Capital Management, LLC | 0.00% | Add +0.9% | 1,336,571 | $24.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.3% | 1,279,523 | $23.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +16.6% | 1,261,384 | $23.2M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -7.2% | 960,837 | $17.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -25.8% | 952,582 | $17.5M |
| Morgan Stanley | 0.00% | Reduce -7.5% | 883,482 | $16.3M |
| Algert Global LLC | 0.23% | Add +45.4% | 812,901 | $15.0M |
| Private Management Group Inc. | 0.43% | New | 806,584 | $14.8M |
| Invesco Ltd. | 0.00% | Add +24.0% | 805,626 | $14.8M |
| Northern Trust Corp. | 0.00% | Add +0.8% | 774,537 | $14.3M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -14.1% | 616,883 | $11.4M |
| Fuller & Thaler Asset Management, Inc. | 0.04% | Add +47.2% | 595,760 | $11.0M |
| Two Sigma Investments, LP | 0.01% | Add +292.7% | 542,732 | $10.0M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | Add +13.4% | 465,859 | $8.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.7% | 459,495 | $8.5M |
| Millennium Management | 0.01% | Add +66.5% | 450,195 | $8.3M |
| UBS Group AG | 0.00% | Add +368.0% | 425,329 | $7.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +19.1% | 417,988 | $7.7M |
| First Trust Advisors LP | 0.01% | Add +2.7% | 410,598 | $7.6M |
| AQR Capital Management | 0.00% | Reduce -28.4% | 357,762 | $6.6M |
| Legal & General Group Plc | 0.00% | Reduce -6.7% | 353,872 | $6.5M |
| FMR LLC | 0.00% | Add +20.2% | 318,977 | $5.9M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +129.2% | 318,977 | $5.9M |
| Panagora Asset Management Inc. | 0.02% | Add +0.3% | 317,468 | $5.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 305,895 | $5.6M |
| Principal Financial Group Inc. | 0.00% | Add +0.6% | 298,898 | $5.5M |
| Waterfall Asset Management, LLC | 4.63% | Reduce -31.2% | 279,323 | $5.1M |
| O'shaughnessy Asset Management, LLC | 0.02% | Add +0.5% | 270,027 | $5.0M |
| Raymond James Financial Inc. | 0.00% | Add +30.4% | 267,767 | $4.9M |
| Nuveen, LLC | 0.00% | Reduce -60.6% | 257,650 | $4.7M |
| Bessemer Group Inc. | 0.01% | Add +52.8% | 256,158 | $4.7M |
| Citadel Advisors | 0.00% | Reduce -19.5% | 221,856 | $4.1M |
| Argosy-Lionbridge Management, LLC | 2.71% | Reduce -2.3% | 209,863 | $3.9M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +0.5% | 205,392 | $3.8M |
| CSM Advisors, LLC | 0.09% | New | 193,026 | $3.6M |
| Public Sector Pension Investment Board | 0.01% | Add +3.5% | 169,363 | $3.1M |
| Jane Street Group, LLC | 0.00% | New | 165,000 | $3.0M |
| Prudential Financial Inc. | 0.00% | Add +3.2% | 159,675 | $2.9M |
| Bank of America Corp. | 0.00% | Reduce -17.7% | 157,652 | $2.9M |
| Man Group plc | 0.01% | Reduce -11.5% | 152,772 | $2.8M |
| Rhumbline Advisers | 0.00% | Reduce -4.4% | 149,800 | $2.8M |
| Allianz Asset Management GmbH | 0.00% | Reduce -51.2% | 141,194 | $2.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +1.4% | 124,747 | $2.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -2.7% | 122,150 | $2.2M |
| Martingale Asset Management L P | 0.06% | Reduce 0.0% | 119,393 | $2.2M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -23.0% | 113,144 | $2.1M |
| XTX Topco Ltd | 0.04% | Add +170.6% | 110,121 | $2.0M |
| Swiss National Bank | 0.00% | No change | 96,500 | $1.8M |
| HSBC Holdings PLC | 0.00% | Add +21.6% | 95,818 | $1.8M |
| STRS Ohio | 0.01% | Reduce -69.3% | 86,400 | $1.6M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.3% | 80,807 | $1.5M |
| Franklin Resources Inc. | 0.00% | Reduce -18.2% | 81,226 | $1.5M |
| Nomura Asset Management Co. Ltd. | 0.00% | Add +2.4% | 72,840 | $1.3M |
| Citigroup Inc. | 0.00% | Reduce -11.0% | 71,957 | $1.3M |
| Nomura Asset Management International Inc. | 0.00% | Add +84.0% | 68,800 | $1.3M |
| Quantinno Capital Management LP | 0.00% | Add +149.6% | 67,506 | $1.2M |
| Asset Management One Co., Ltd. | 0.00% | Reduce -2.0% | 66,793 | $1.2M |
| Renaissance Technologies | 0.00% | Reduce -40.4% | 65,000 | $1.2M |
| Deutsche Bank AG | 0.00% | Reduce -7.5% | 64,060 | $1.2M |
| Denali Advisors LLC | 0.13% | No change | 62,800 | $1.2M |
| State of New Jersey Common Pension Fund D | 0.00% | No change | 62,735 | $1.2M |
| Penserra Capital Management LLC | 0.01% | Add +2.9% | 61,346 | $1.1M |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -10.1% | 60,610 | $1.1M |
| Royal Bank of Canada | 0.00% | Add +14.5% | 59,471 | $1.1M |
| Barclays PLC | 0.00% | Reduce -54.1% | 59,165 | $1.1M |
| Lazard Asset Management LLC | 0.00% | Reduce -7.6% | 58,028 | $1.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +27.1% | 57,927 | $1.1M |
| New Age Alpha Advisors, LLC | 0.05% | Reduce -3.6% | 55,452 | $1.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -1.4% | 54,274 | $999K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -0.7% | 52,241 | $960K |
| Dark Forest Capital Management LP | 0.08% | Add +5.0% | 51,237 | $943K |
| Bank of Montreal | 0.00% | Reduce -44.2% | 51,197 | $943K |
| Ieq Capital, LLC | 0.00% | Reduce -39.9% | 49,417 | $910K |
| State of Wisconsin Investment Board | 0.00% | Add +105.8% | 46,825 | $862K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 46,654 | $859K |
| California State Teachers Retirement System | 0.00% | Reduce -0.9% | 44,757 | $824K |
| Graham Capital Management, L.P. | 0.04% | Add +30.7% | 42,959 | $791K |
| Sei Investments Co. | 0.00% | Reduce -24.1% | 42,461 | $782K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +34.2% | 41,160 | $758K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | No change | 40,974 | $754K |
| Summit Global Investments | 0.04% | Reduce -4.4% | 40,027 | $737K |
| Envestnet Asset Management Inc. | 0.00% | Add +159.8% | 36,939 | $680K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 35,179 | $657K |
| Engineers Gate Manager LP | 0.01% | Add +42.7% | 35,670 | $657K |
| Wolverine Asset Management LLC | 0.03% | Reduce -32.8% | 35,477 | $653K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Add +23.8% | 35,106 | $646K |
| New York State Common Retirement Fund | 0.00% | No change | 35,012 | $645K |
| AlphaCentric Advisors LLC | 0.64% | No change | 35,000 | $644K |
| Crossingbridge Advisors, LLC | 0.13% | No change | 35,000 | $644K |
| Amundi | 0.00% | Add +7.6% | 34,617 | $637K |
| Inspire Investing, LLC | 0.04% | Add +13.4% | 33,719 | $621K |
| MetLife Investment Management, LLC | 0.00% | Reduce -0.9% | 32,203 | $593K |
"% of holder's portfolio" is AAT's weight in each manager's 13F, not the share of American Assets Trust Inc. the manager owns.