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AAT · American Assets Trust, Inc. · Holdings

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$21.26 -0.08 (-0.37%) At close · Sep 30
Market Cap
$1.32B
Shares
61.39M
Volume · Sep 30 660.43K Avg daily vol (3M) 434.32K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
Holders: 244
Total Value: $1,414,177,307
Total Shares: 57,319,872
Showing 1–100 of 244 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 244 13F filers · Δ vs Mar 31, 2026
Top Holder
16.0%
Sep 2023 → Jun 2026 · range 16.0% – 21.5%
−0.2 pts
Top 5
47.9%
Sep 2023 → Jun 2026 · range 47.9% – 58.0%
−1.2 pts
Top 10
62.6%
Sep 2023 → Jun 2026 · range 62.6% – 70.5%
−0.5 pts
HHI
634
Sep 2023 → Jun 2026 · range 634 – 930
Broadly held−8

Quarterly Activity

vs Mar 31, 2026
New
33
Increased
93
Decreased
76
Sold Out
24
Unchanged
42
Holder count: +9
Institutional value: +31.7%
Shares held: -1.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 244
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1500217 CUSIP 024013104 13F (30d) 9 filings 9 filers Visit website Investor relations