American Assets Trust, Inc.
US ˙ NYSE ˙ US0240131047

SecurityAAT / American Assets Trust, Inc.
InstitutionBessemer Group Inc
Latest Disclosed Ownership256,158 shares
Latest Disclosed Value $ 4,716
Bessemer Group Inc reports 52.82% increase in ownership of AAT / American Assets Trust, Inc.

On May 6, 2026 - Bessemer Group Inc filed a 13F-HR form disclosing ownership of 256,158 shares of American Assets Trust, Inc. (US:AAT) valued at $4,715,869 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 167,625 shares of American Assets Trust, Inc.. This represents a change in shares of 52.82% during the quarter. The current value of the position is $6,060,698 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)
2026-05-06 2026-03-31 13F AMERICAN ASSETS TRUST SRE 024013104 256,158 88,533 52.82 5 33.33 0.0074
2026-02-05 2025-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 167,625 167,295 50,695.45 3 0.0049
2025-11-05 2025-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 330 0 0.00 0 0.0000
2025-08-01 2025-06-30 13F AMERICAN ASSETS TRUST SRE 024013104 330 100 43.48 0 0.0000
2025-04-23 2025-03-31 13F AMERICAN ASSETS TRUST SRE 024013104 230 -20 -8.00 0 0.0000
2025-02-13 2024-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 250 0 0.00 0 0.0000
2024-11-12 2024-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 250 250 0 0.0000
2024-02-09 2023-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 0 -63 -100.00 0 0.0000
2023-11-13 2023-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 63 0 0.00 0 0.0000
2023-08-10 2023-06-30 13F AMERICAN ASSETS TRUST SRE 024013104 63 63 0 0.0000
2023-02-13 2022-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 0 -87 -100.00 0 -100.00
2022-11-09 2022-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 87 87 2 0.0000
2020-11-12 2020-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 0 -39,707 -100.00 0 -100.00
2020-08-05 2020-06-30 13F AMERICAN ASSETS TRUST SRE 024013104 39,707 -50,293 -55.88 1,105 -50.89 0.0035
2020-04-30 2020-03-31 13F AMERICAN ASSETS TRUST SRE 024013104 90,000 -200 -0.22 2,250 -45.65 0.0091
2020-02-04 2019-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 90,200 -15 -0.02 4,140 -1.83 0.0134
2019-11-07 2019-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 90,215 15 0.02 4,217 -0.78 0.0151
2019-07-19 2019-06-30 13F AMERICAN ASSETS TRUST SRE 024013104 90,200 100 0.11 4,250 2.86 0.0143
2019-05-13 2019-03-31 13F AMERICAN ASSETS TRUST SRE 024013104 90,100 24,200 36.72 4,132 56.10 0.0159
2019-05-21 2018-12-31 13F/A-1 AMERICAN ASSETS TRUST SRE 024013104 65,900 51,500 357.64 2,647 392.92 0.0115
2019-02-12 2018-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 65,900 51,500 2,647 0.0115
2018-11-06 2018-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 14,400 14,400 537 0.0020
2016-05-11 2016-03-31 13F AMERICAN ASSETS TRUST SRE 024013104 0 0 0 0.0000
2016-02-12 2015-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 0 0 0 0.0000
2015-08-14 2015-06-30 13F AMERICAN ASSETS TRUST SRE 024013104 0 -128 -100.00 0 -100.00
2015-06-18 2015-03-31 13F/A-1 AMERICAN ASSETS TRUST SRE 024013104 128 -159,949 -99.92 6 -99.88 0.0000
2015-05-14 2015-03-31 13F AMERICAN ASSETS TRUST SRE 024013104 128 6
2014-02-18 2013-12-31 13F AMERICAN ASSETS TRUST SRE 024013104 160,077 0 0.00 5,031 3.01 0.0360
2013-11-08 2013-09-30 13F AMERICAN ASSETS TRUST SRE 024013104 160,077 160,077 4,884 0.0396
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.