Skip to main content

Aehr Test Systems

AEHR
Exchange
Nasdaq
Industry
Instruments For Meas & Testing of Electricity & Elec Signals
SEC CIK
0001040470

In the last 90 days, Aehr Test Systems insiders filed 0 open-market purchases and 13 sales; 262 institutions reported holding it in 13F filings for Q2 2026, worth $2.23B in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Aehr Test Systems as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
22
No complete 13F data for Q4 2020
Shares held
4.85M
No complete 13F data for Q4 2020
Total value
$12.2M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting AEHR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 22 institutions
Q1 2021: 22 institutionsQ2 2021: 20 institutionsQ3 2021: 42 institutionsQ4 2021: 74 institutionsQ1 2022: 80 institutionsQ2 2022: 70 institutionsQ3 2022: 85 institutionsQ4 2022: 129 institutionsQ1 2023: 144 institutionsQ2 2023: 151 institutionsQ3 2023: 153 institutionsQ4 2023: 168 institutionsQ1 2024: 132 institutionsQ2 2024: 119 institutionsQ3 2024: 126 institutionsQ4 2024: 132 institutionsQ1 2025: 115 institutionsQ2 2025: 121 institutionsQ3 2025: 149 institutionsQ4 2025: 150 institutionsQ1 2026: 191 institutionsQ2 2026: 262 institutions
Value heldQ1 2021: $12.2M
Q1 2021: $12.2MQ2 2021: $12.7MQ3 2021: $109.7MQ4 2021: $268.3MQ1 2022: $110.0MQ2 2022: $66.0MQ3 2022: $167.0MQ4 2022: $321.8MQ1 2023: $582.4MQ2 2023: $791.1MQ3 2023: $903.9MQ4 2023: $533.6MQ1 2024: $232.6MQ2 2024: $214.0MQ3 2024: $267.0MQ4 2024: $347.5MQ1 2025: $139.4MQ2 2025: $227.4MQ3 2025: $612.6MQ4 2025: $427.8MQ1 2026: $831.4MQ2 2026: $2.23B
Institutions holding AEHR and their total value by quarter
QuarterHoldersValue
Q2 2026262$2.23B
Q1 2026191$831.4M
Q4 2025150$427.8M
Q3 2025149$612.6M
Q2 2025121$227.4M
Q1 2025115$139.4M
Q4 2024132$347.5M
Q3 2024126$267.0M
Q2 2024119$214.0M
Q1 2024132$232.6M
Q4 2023168$533.6M
Q3 2023153$903.9M
Q2 2023151$791.1M
Q1 2023144$582.4M
Q4 2022129$321.8M
Q3 202285$167.0M
Q2 202270$66.0M
Q1 202280$110.0M
Q4 202174$268.3M
Q3 202142$109.7M
Q2 202120$12.7M
Q1 202122$12.2M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Aehr Test Systems.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AEHR in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
AWM Investment Company, Inc.1,898,534$4.78M0.53%––
Royce & Associates LP1,047,900$2.64M0.02%––
Vanguard Group Inc1,004,803$2.53M0.00%––
Janney Montgomery Scott LLC178,000$449.0K0.00%––
Geode Capital Management, LLC147,898$372.0K0.00%––
Raymond James Financial Services Advisors, Inc.120,297$303.0K0.00%––
Advisor Group Holdings, Inc.104,250$263.0K0.00%––
BlackRock Inc.80,711$203.0K0.00%––
Dimensional Fund Advisors LP70,409$177.0K0.00%––
Heritage Investors Management Corp58,098$146.0K0.01%––
Northern Trust Corp35,510$89.0K0.00%––
Goldman Sachs Group Inc35,361$89.0K0.00%––
Bank of New York Mellon Corp14,811$37.0K0.00%––
Virtu Financial LLC13,390$34.0K0.00%––
Jane Street Group, LLC12,160$31.0K0.00%––
International Assets Investment Management, LLC10,000$25.0K0.00%––
Tower Research Capital LLC (TRC)7,653$20.0K0.00%––
Founders Capital Management7,000$18.0K0.01%––
Morgan Stanley4,200$11.0K0.00%––
McCarthy Asset Management, Inc.1,000$3.00K0.00%––
Bank of America Corp87$00.00%––
Wells Fargo & Company135$00.00%––