アメリカン・アセット・トラスト社
US ˙ NYSE ˙ US0240131047

SecurityAAT / American Assets Trust, Inc.
InstitutionPrincipal Financial Group Inc
Latest Disclosed Ownership298,898 shares
Latest Disclosed Value $ 5,502,713
Principal Financial Group Inc reports 0.59% increase in ownership of AAT / American Assets Trust, Inc.

On May 4, 2026 - Principal Financial Group Inc filed a 13F-HR form disclosing ownership of 298,898 shares of American Assets Trust, Inc. (US:AAT) valued at $5,502,712 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 297,145 shares of American Assets Trust, Inc.. This represents a change in shares of 0.59% during the quarter. The current value of the position is $7,071,927 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-04 2026-03-31 13F AMERICAN ASSETS TR COM 024013104 298,898 1,753 0.59 5,503 -2.17 0.0029
2026-02-02 2025-12-31 13F AMERICAN ASSETS TR COM 024013104 297,145 21,151 7.66 5,625 0.29 0.0029
2025-11-04 2025-09-30 13F AMERICAN ASSETS TR COM 024013104 275,994 4,316 1.59 5,608 4.53 0.0028
2025-08-08 2025-06-30 13F AMERICAN ASSETS TR COM 024013104 271,678 13,151 5.09 5,366 3.05 0.0028
2025-04-28 2025-03-31 13F AMERICAN ASSETS TR COM 024013104 258,527 5,229 2.06 5,207 -21.73 0.0029
2025-01-31 2024-12-31 13F AMERICAN ASSETS TR COM 024013104 253,298 8,969 3.67 6,652 1.88 0.0036
2024-10-31 2024-09-30 13F AMERICAN ASSETS TR COM 024013104 244,329 -20,603 -7.78 6,528 10.10 0.0036
2024-07-29 2024-06-30 13F AMERICAN ASSETS TR COM 024013104 264,932 -9,557 -3.48 5,929 -1.41 0.0035
2024-04-29 2024-03-31 13F AMERICAN ASSETS TR COM 024013104 274,489 -16,711 -5.74 6,014 -8.24 0.0035
2024-02-07 2023-12-31 13F AMERICAN ASSETS TR COM 024013104 291,200 1,562 0.54 6,555 16.35 0.0042
2023-11-02 2023-09-30 13F AMERICAN ASSETS TR COM 024013104 289,638 -23,636 -7.54 5,633 -6.34 0.0040
2023-08-07 2023-06-30 13F AMERICAN ASSETS TR COM 024013104 313,274 -13,553 -4.15 6,015 -1.00 0.0041
2023-05-09 2023-03-31 13F AMERICAN ASSETS TR COM 024013104 326,827 -5,690 -1.71 6,076 -31.05 0.0043
2023-02-09 2022-12-31 13F AMERICAN ASSETS TR COM 024013104 332,517 -987,942 -74.82 8,812 -74.06 0.0066
2022-11-09 2022-09-30 13F AMERICAN ASSETS TR COM 024013104 1,320,459 -8,518 -0.64 33,962 -13.96 0.0270
2022-08-10 2022-06-30 13F AMERICAN ASSETS TR COM 024013104 1,328,977 -599,679 -31.09 39,471 -45.99 0.0292
2022-05-09 2022-03-31 13F AMERICAN ASSETS TR COM 024013104 1,928,656 473,935 32.58 73,078 33.87 0.0290
2022-05-09 2022-03-31 13F AMERICAN ASSETS TR COM 024013104 1,355,232 51,350
2022-02-09 2021-12-31 13F AMERICAN ASSETS TR COM 024013104 1,454,721 -1,126,720 -43.65 54,588 -43.49 0.0326
2021-11-09 2021-09-30 13F AMERICAN ASSETS TR COM 024013104 2,581,441 -408,480 -13.66 96,597 -13.36 0.0630
2021-08-10 2021-06-30 13F AMERICAN ASSETS TR COM 024013104 2,989,921 125,285 4.37 111,495 19.98 0.0720
2021-05-10 2021-03-31 13F AMERICAN ASSETS TR COM 024013104 2,864,636 457,872 19.02 92,928 33.70 0.0656
2021-02-23 2020-12-31 13F/A-1 AMERICAN ASSETS TR COM 024013104 2,406,764 265,380 12.39 69,507 34.74 0.0515
2021-02-08 2020-12-31 13F AMERICAN ASSETS TR COM 024013104 2,406,764 265,380 69,507 27,345.1250
2020-11-06 2020-09-30 13F AMERICAN ASSETS TR COM 024013104 2,141,384 442,880 26.07 51,586 9.09 0.0434
2020-08-05 2020-06-30 13F AMERICAN ASSETS TR COM 024013104 1,698,504 1,334,111 366.12 47,287 419.07 0.0419
2020-05-12 2020-03-31 13F AMERICAN ASSETS TR COM 024013104 364,393 -21,147 -5.49 9,110 -48.52 0.0101
2020-02-05 2019-12-31 13F AMERICAN ASSETS TR COM 024013104 385,540 -1,658 -0.43 17,696 -2.22 0.0147
2019-11-13 2019-09-30 13F AMERICAN ASSETS TR COM 024013104 387,198 1,557 0.40 18,098 -0.40 0.0160
2019-08-12 2019-06-30 13F AMERICAN ASSETS TR COM 024013104 385,641 81,397 26.75 18,171 30.23 0.0163
2019-05-10 2019-03-31 13F AMERICAN ASSETS TR COM 024013104 304,244 -2,458 -0.80 13,953 13.25 0.0130
2019-02-14 2018-12-31 13F AMERICAN ASSETS TR COM 024013104 306,702 -4,019 -1.29 12,320 6.33 0.0131
2018-11-14 2018-09-30 13F AMERICAN ASSETS TR COM 024013104 310,721 -12,890 -3.98 11,587 -6.49 0.0102
2018-08-13 2018-06-30 13F AMERICAN ASSETS TR COM 024013104 323,611 -423 -0.13 12,391 14.46 0.0114
2018-05-14 2018-03-31 13F AMERICAN ASSETS TR COM 024013104 324,034 13,785 4.44 10,826 -8.75 0.0104
2018-02-12 2017-12-31 13F AMERICAN ASSETS TR COM 024013104 310,249 -2,418 -0.77 11,864 -4.59 0.0109
2017-11-02 2017-09-30 13F AMERICAN ASSETS TR COM 024013104 312,667 -7,889 -2.46 12,435 -1.52 0.0121
2017-08-08 2017-06-30 13F AMERICAN ASSETS TR COM 024013104 320,556 5,000 1.58 12,627 -4.36 0.0127
2017-05-11 2017-03-31 13F AMERICAN ASSETS TR COM 024013104 315,556 13,304 4.40 13,203 1.40 0.0159
2017-02-13 2016-12-31 13F AMERICAN ASSETS TR COM 024013104 302,252 2,533 0.85 13,021 0.15 0.0165
2016-11-10 2016-09-30 13F AMERICAN ASSETS TR COM 024013104 299,719 15,509 5.46 13,002 7.79 0.0172
2016-08-09 2016-06-30 13F AMERICAN ASSETS TR COM 024013104 284,210 3,105 1.10 12,062 7.49 0.0168
2016-05-10 2016-03-31 13F AMERICAN ASSETS TR COM 024013104 281,105 10,883 4.03 11,221 8.28 0.0163
2016-02-09 2015-12-31 13F AMERICAN ASSETS TR COM 024013104 270,222 14,176 5.54 10,363 -0.95 0.0154
2015-11-12 2015-09-30 13F/A-1 AMERICAN ASSETS TR COM 024013104 256,046 22,271 9.53 10,462 14.13 0.0164
2015-11-09 2015-09-30 13F AMERICAN ASSETS TR COM 024013104 256,046 10,462
2015-08-10 2015-06-30 13F AMERICAN ASSETS TR COM 024013104 233,775 -3,560 -1.50 9,167 -10.76 0.0137
2015-05-14 2015-03-31 13F/A-1 AMERICAN ASSETS TR COM 024013104 237,335 5,079 2.19 10,272 11.10 0.0153
2015-05-12 2015-03-31 13F AMERICAN ASSETS TR COM 024013104 237,335 10,272
2015-02-12 2014-12-31 13F AMERICAN ASSETS TR COM 024013104 232,256 5,206 2.29 9,246 23.51 0.0144
2014-11-13 2014-09-30 13F AMERICAN ASSETS TR COM 024013104 227,050 808 0.36 7,486 -4.22 0.0127
2014-08-12 2014-06-30 13F AMERICAN ASSETS TR COM 024013104 226,242 -155,293 -40.70 7,816 -39.28 0.0131
2014-05-13 2014-03-31 13F AMERICAN ASSETS TR COM 024013104 381,535 9,170 2.46 12,872 9.99 0.0230
2014-02-12 2013-12-31 13F AMERICAN ASSETS TR COM 024013104 372,365 202,726 119.50 11,703 126.14 0.0218
2013-11-05 2013-09-30 13F AMERICAN ASSETS TR COM 024013104 169,639 158,610 1,438.12 5,175 1,422.06 0.0107
2013-08-12 2013-06-30 13F AMERICAN ASSETS TR COM 024013104 11,029 11,029 340 0.0008
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.