Latest Period
Q1 2026
Security Snapshot
American Assets Trust, Inc. - Common Stock, par value $0.01 (AAT) Institutional Ownership
CUSIP: 024013104
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
234
Shares (Excl. Options)
58,313,842
Price
$18.41
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock, par value $0.01
- Symbol
- AAT on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 58,313,842
- Total 13F value
- $1,073,564,689
- Portfolio coverage rank
- 0%
- Share change
- +526,569
- Value change
- +$8,838,242
- Number of holders
- 234
- Shares outstanding
- 76,288,668
- SEC-reported price per share
- $21.12
- Insider filing price
- $21.12
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AAT - American Assets Trust, Inc. - Common Stock, par value $0.01 is tracked under CUSIP 024013104.
- 234 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 229 to 234 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,090,292,844 to $1,073,564,689.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 234 institutions filings for Q1 2026.
Security key
024013104
Latest holder period
Q1 2026
13F holders
234
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
AAT full holder history
American Assets Trust, Inc. SEC filings
American Assets Trust, Inc. company facts
American Assets Trust, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 024013104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
AAT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RADY ERNEST S | 37% | +1.9% | $543,419,443 | +$13,195,104 | 28,303,096 | +2.5% | Ernest S. Rady | 11 May 2026 |
| BlackRock, Inc. | 14% | $161,666,099 | 8,673,074 | BlackRock, Inc. | 31 Mar 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.8% | $99,726,362 | 5,416,967 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| Senvest Management, LLC | 5.1% | $58,466,952 | 3,088,587 | Senvest Management, LLC | 22 Jan 2026 |
As of 31 Mar 2026, 234 institutional investors reported holding 58,313,842 shares of American Assets Trust, Inc. - Common Stock, par value $0.01 (AAT). This represents 76% of the company’s total 76,288,668 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
62%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | 9,452,442 | +1.5% | 0% | $174,019,450 |
| AMERICAN ASSETS INC | 9.7% | 7,374,599 | 0% | 48% | $135,766,368 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.1% | 5,396,960 | 0% | 0.01% | $99,358,034 |
| Senvest Management, LLC | 4.7% | 3,577,054 | +22% | 2.2% | $65,853,564 |
| STATE STREET CORP | 3.7% | 2,844,330 | -1.8% | 0% | $52,364,115 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.8% | 2,118,674 | 0% | 0% | $39,004,788 |
| LSV ASSET MANAGEMENT | 2.6% | 1,976,474 | +7.1% | 0.08% | $36,387,000 |
| American Assets Investment Management, LLC | 1.9% | 1,477,340 | 0% | 2.1% | $27,197,830 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 1,336,571 | +0.95% | 0% | $24,609,945 |
| JPMORGAN CHASE & CO | 1.7% | 1,279,523 | -6.3% | 0% | $23,504,837 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7% | 1,261,384 | +17% | 0% | $23,222,079 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3% | 960,837 | -7.2% | 0.01% | $17,689,009 |
| AMERIPRISE FINANCIAL INC | 1.2% | 952,582 | -23% | 0% | $17,537,034 |
| MORGAN STANLEY | 1.2% | 883,482 | -7.5% | 0% | $16,264,927 |
| ALGERT GLOBAL LLC | 1.1% | 812,901 | +45% | 0.23% | $14,966,000 |
| PRIVATE MANAGEMENT GROUP INC | 1.1% | 806,584 | 0.43% | $14,849,211 | |
| Invesco Ltd. | 1.1% | 805,626 | +24% | 0% | $14,831,575 |
| NORTHERN TRUST CORP | 1% | 774,537 | +0.81% | 0% | $14,259,225 |
| DIMENSIONAL FUND ADVISORS LP | 0.81% | 616,883 | -14% | 0% | $11,356,928 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 0.78% | 595,760 | +47% | 0.04% | $10,967,950 |
| TWO SIGMA INVESTMENTS, LP | 0.71% | 542,732 | +293% | 0.01% | $9,991,696 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 0.61% | 465,859 | +13% | 0.03% | $8,576,464 |
| Bank of New York Mellon Corp | 0.6% | 459,495 | -7.7% | 0% | $8,459,311 |
| MILLENNIUM MANAGEMENT LLC | 0.59% | 450,195 | +67% | 0.01% | $8,288,090 |
| UBS Group AG | 0.56% | 425,329 | +368% | 0% | $7,830,307 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 58,313,842 | $1,073,564,689 | +$8,838,242 | $18.41 | 234 |
| 2025 Q4 | 57,584,818 | $1,090,292,844 | +$19,595,545 | $18.93 | 229 |
| 2025 Q3 | 56,525,695 | $1,148,813,628 | +$2,075,594 | $20.32 | 232 |
| 2025 Q2 | 56,421,159 | $1,117,096,716 | +$10,686,838 | $19.75 | 226 |
| 2025 Q1 | 55,871,950 | $1,126,141,700 | +$3,173,058 | $20.14 | 219 |
| 2024 Q4 | 55,430,664 | $1,455,343,818 | +$5,661,553 | $26.26 | 218 |
| 2024 Q3 | 54,954,200 | $1,468,243,281 | +$9,156,510 | $26.72 | 214 |
| 2024 Q2 | 54,971,418 | $1,230,271,523 | +$5,892,707 | $22.38 | 198 |
| 2024 Q1 | 54,863,491 | $1,201,782,734 | -$3,401,172 | $21.91 | 196 |
| 2023 Q4 | 55,028,775 | $1,238,753,871 | +$5,015,929 | $22.51 | 193 |
| 2023 Q3 | 54,821,503 | $1,066,223,436 | -$4,596,338 | $19.45 | 181 |
| 2023 Q2 | 55,025,310 | $1,056,298,233 | -$27,884,370 | $19.20 | 174 |
| 2023 Q1 | 56,619,164 | $1,052,511,881 | -$21,923,771 | $18.59 | 192 |
| 2022 Q4 | 56,806,305 | $1,505,450,990 | +$4,568,796 | $26.50 | 189 |
| 2022 Q3 | 56,629,206 | $1,456,564,002 | -$35,288,393 | $25.72 | 177 |
| 2022 Q2 | 57,744,169 | $1,715,030,739 | +$11,884,252 | $29.70 | 189 |
| 2022 Q1 | 57,678,319 | $2,184,637,661 | +$10,811,586 | $37.89 | 198 |
| 2021 Q4 | 57,393,042 | $2,153,815,244 | -$15,716,622 | $37.53 | 192 |
| 2021 Q3 | 57,753,881 | $2,161,417,062 | +$5,034,775 | $37.42 | 181 |
| 2021 Q2 | 57,601,518 | $2,147,970,877 | +$14,164,673 | $37.29 | 174 |
| 2021 Q1 | 57,284,973 | $1,857,452,124 | +$5,891,353 | $32.44 | 167 |
| 2020 Q4 | 57,170,387 | $1,650,697,574 | -$6,172,661 | $28.88 | 166 |
| 2020 Q3 | 57,452,080 | $1,386,477,524 | -$8,783,802 | $24.09 | 165 |
| 2020 Q2 | 57,423,609 | $1,598,644,198 | -$7,298,497 | $27.84 | 186 |
| 2020 Q1 | 57,832,749 | $1,445,511,000 | -$33,488,633 | $25.00 | 178 |