AEHRAehr Test Systems, Inc.

$93.66

Who owns AEHR

187 institutions reported holding AEHR for 2026Q1, together 73% of the company, more than the 149 a quarter earlier.

187

Institutions reporting a position · as of 2026Q1 · up from 149 the quarter before

Shares held by institutions
22.4M

Shares held by institutions · 73% of the company · long US equity positions only, as reported on Form 13F

Reported value
$830M

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
32%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
52
Positions exited
22
Added to
59
Reduced
43
Top 10 holdersof the company
46%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q118722.4M$830M
2025Q414921.2M$428M
2025Q314820.4M$613M
2025Q212117.6M$227M
2025Q111519.1M$139M
2024Q413220.9M$348M
2024Q312620.8M$267M
2024Q211919.2M$214M
2024Q113118.4M$233M
2023Q416520.1M$533M
2023Q315219.8M$904M
2023Q214919.2M$791M
2023Q114318.8M$582M
2022Q412716.0M$322M
2022Q38511.8M$167M
2022Q2708.8M$66M
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC2.4M8.0%$91M
BlackRock Inc.2.3M7.4%$85M
FMR LLC2.1M7.0%$79M
AWM Investment Company, Inc.1.6M5.2%$59M
PRICE T ROWE ASSOCIATES INC /MD/1.3M4.4%$50M
GOLDMAN SACHS GROUP INC1.3M4.1%$47M
BAILLIE GIFFORD & CO1.0M3.3%$37M
NEXT CENTURY GROWTH INVESTORS LLC0.8M2.5%$28M
GEODE CAPITAL MANAGEMENT LLC0.7M2.4%$27M
STATE STREET CORP0.6M2.0%$23M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

reading the register…