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American Assets Trust, Inc.

AAT
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0001500217

In the last 90 days, American Assets Trust, Inc. insiders filed 9 open-market purchases and 0 sales; 244 institutions reported holding it in 13F filings for Q2 2026, worth $1.41B in total; no superinvestor holds it.

Holders of 5% or more of AAT

Holders whose latest Schedule 13D or 13G filing reports 5% or more of American Assets Trust, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of AAT
HolderLatest formStakeChangeFirst filedLatest filingFiling
Rady Ernest S13D/A37.10%28.3M shares+0.70 ppfrom 36.40%Apr 15, 20252 filingsMay 27, 2026SEC
BlackRock, Inc.13G/A14.20%8.67M shares–Apr 22, 20251 filingApr 22, 2025SEC
Vanguard Portfolio Management LLC13G8.82%5.42M sharesNewApr 28, 20261 filingApr 28, 2026SEC
Senvest Management, LLC13G5.10%3.09M sharesNewJan 26, 20261 filingJan 26, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

6 Schedule 13D and 13G filings on American Assets Trust, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on AAT
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 27, 20264:47 PM ETRady Ernest Sand 2 others13D/A37.10%28.3M shares+0.70 ppfrom 36.40%May 11, 2026SEC
Apr 28, 20264:11 PM ETVanguard Portfolio Management LLC13G8.82%5.42M sharesNewMar 31, 2026SEC
Mar 26, 20263:44 PM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Jan 26, 20265:16 PM ETSenvest Management, LLCand 1 other13G5.10%3.09M sharesNewJan 22, 2026SEC
Apr 22, 20258:20 AM ETBlackRock, Inc.13G/A14.20%8.67M shares–Mar 31, 2025SEC
Apr 15, 20254:16 PM ETRady Ernest Sand 2 others13D/A36.40%27.6M shares–May 3, 2023SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell American Assets Trust, Inc. shares.

No Form 144 notices for American Assets Trust, Inc. are on file.