SAN DIEGO, CA
AMERICAN ASSETS TRUST, INC.AAT— Latest position per institution from SEC 13F filings
15
Institutional holders
64.90M
Total shares held
1.40B
Estimated value
3.25M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
11.51M
Value
257.68M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
9.16M
Value
226.22M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
7.68M
Value
145.33M
Filed
Dec 31, 2025
AMERICAN ASSETS INC
CIK 885118
Shares
7.37M
Value
182.08M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
5.47M
Value
135.11M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.80M
Value
69.08M
Filed
Jun 30, 2026
SENVEST MANAGEMENT, LLC
CIK 1328785
Shares
2.65M
Value
65.46M
Filed
Jun 30, 2026
LSV ASSET MANAGEMENT
CIK 1050470
Shares
2.21M
Value
54.62K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.05M
Value
50.68M
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
1.97M
Value
38.82K
Filed
Jun 30, 2025
AMERICAN ASSETS INVESTMENT MANAGEMENT, LLC
CIK 1389256
Shares
1.48M
Value
36.48M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.39M
Value
34.43M
Filed
Jun 30, 2026
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.
CIK 1812095
Shares
1.28M
Value
31.60M
Filed
Jun 30, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
1.28M
Value
31.60M
Filed
Jun 30, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
1.27M
Value
51.31K
Filed
Jun 30, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
1.25M
Value
33.07M
Filed
Dec 31, 2022
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
1.05M
Value
25.72M
Filed
Jun 30, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
1.03M
Value
25.48M
Filed
Jun 30, 2026
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 1082327
Shares
1.02M
Value
25.18M
Filed
Jun 30, 2026
NUVEEN ASSET MANAGEMENT, LLC
CIK 1521019
Shares
976.82K
Value
25.65M
Filed
Dec 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 11.51M | 257.68M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 9.16M | 226.22M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 7.68M | 145.33M | Dec 31, 2025 |
| 4 | AMERICAN ASSETS INC | 885118 | 7.37M | 182.08M | Jun 30, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 5.47M | 135.11M | Jun 30, 2026 |
| 6 | STATE STREET CORP | 93751 | 2.80M | 69.08M | Jun 30, 2026 |
| 7 | SENVEST MANAGEMENT, LLC | 1328785 | 2.65M | 65.46M | Jun 30, 2026 |
| 8 | LSV ASSET MANAGEMENT | 1050470 | 2.21M | 54.62K | Jun 30, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.05M | 50.68M | Jun 30, 2026 |
| 10 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 1.97M | 38.82K | Jun 30, 2025 |
| 11 | AMERICAN ASSETS INVESTMENT MANAGEMENT, LLC | 1389256 | 1.48M | 36.48M | Jun 30, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.39M | 34.43M | Jun 30, 2026 |
| 13 | SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 1812095 | 1.28M | 31.60M | Jun 30, 2026 |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 1.28M | 31.60M | Jun 30, 2026 |
| 15 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 1.27M | 51.31K | Jun 30, 2026 |
| 16 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 1.25M | 33.07M | Dec 31, 2022 |
| 17 | AMERIPRISE FINANCIAL INC | 820027 | 1.05M | 25.72M | Jun 30, 2026 |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 1.03M | 25.48M | Jun 30, 2026 |
| 19 | FULLER & THALER ASSET MANAGEMENT, INC. | 1082327 | 1.02M | 25.18M | Jun 30, 2026 |
| 20 | NUVEEN ASSET MANAGEMENT, LLC | 1521019 | 976.82K | 25.65M | Dec 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.