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 2023

Institutional positions in Aehr Test Systems as of Mar 31, 2023. 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
144
+17 vs. Q4 2022
Shares held
18.8M
+2.78M (+17.4%) vs. Q4 2022
Total value
$582.4M
+$261.6M (+81.5%) vs. Q4 2022
New holders
43
43 more added
Sold out
26
45 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

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 2023: 144 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 2023: $582.4M
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 2023

Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q4 2022.

Institutions holding AEHR in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
New York State Common Retirement Fund81,590$2.53M0.00%+1,590+2.0%Added
Bank of New York Mellon Corp84,487$2.62M0.00%−5,945−6.6%Reduced
Point72 Hong Kong Ltd85,500$2.65M0.65%+85,500New
Marshall Wace, LLP87,601$2.72M0.01%+55,110+169.6%Added
Jetstream Capital LLC92,000$2.85M6.83%−18,000−16.4%Reduced
EAM Investors, LLC92,185$2.86M0.56%−72,917−44.2%Reduced
Clear Sky Advisers, LLC93,600$2.90M0.74%+4,600+5.2%Added
Essex Investment Management Co LLC93,792$2.91M0.42%−54,528−36.8%Reduced
Squarepoint Ops LLC97,841$3.04M0.02%+97,841New
Pier Capital, LLC107,253$3.33M0.50%−31,564−22.7%Reduced
LPL Financial LLC107,575$3.34M0.00%+24,393+29.3%Added
Invesco Ltd.110,321$3.42M0.00%−28,167−20.3%Reduced
HRT Financial LP110,526$3.43M0.04%+110,526New
Millennium Management LLC125,685$3.90M0.00%+112,849+879.2%Added
Silvercrest Asset Management Group LLC125,772$3.90M0.03%−94,096−42.8%Reduced
Alta Park Capital, LP140,334$4.35M0.45%+140,334New
Nishkama Capital, LLC142,687$4.43M1.06%+142,687New
Discovery Capital Management, LLC146,376$4.54M0.61%+146,376New
State Street Corp164,284$5.10M0.00%+8,040+5.1%Added
Ardsley Advisory Partners LP185,000$5.74M1.26%−216,000−53.9%Reduced
Lisanti Capital Growth, LLC211,175$6.55M0.91%+72,010+51.7%Added
Agf Management Ltd215,210$6.68M0.05%+215,210New
D L Carlson Investment Group Inc226,508$7.03M1.59%−91,836−28.8%Reduced
Jane Street Group, LLC236,594$7.34M0.01%+173,358+274.1%Added
Royce & Associates LP240,259$7.45M0.07%−134,100−35.8%Reduced
Group One Trading, L.P.247,458$7.68M0.37%+178,130+256.9%Added
Geode Capital Management, LLC253,630$7.87M0.00%+9,945+4.1%Added
D. E. Shaw & Co., Inc.280,649$8.71M0.01%+280,649New
Next Century Growth Investors LLC288,582$8.95M0.99%+288,582New
Renaissance Technologies LLC294,500$9.13M0.01%+258,500+718.1%Added
Point72 Asset Management, L.P.297,396$9.23M0.03%−424,250−58.8%Reduced
Dimensional Fund Advisors LP328,192$10.2M0.00%+315,009+2,389.5%Added
Lord, Abbett & Co. LLC328,946$10.2M0.04%+328,946New
Morgan Stanley385,903$12.0M0.00%+41,423+12.0%Added
Susquehanna International Group, LLP482,967$15.0M0.02%+117,287+32.1%Added
BlackRock Inc.517,990$16.1M0.00%+16,652+3.3%Added
Oberweis Asset Management Inc699,108$21.7M3.36%+91,500+15.1%Added
FMR LLC946,740$29.4M0.00%−343,577−26.6%Reduced
Driehaus Capital Management LLC1,033,849$32.1M0.45%+142,233+16.0%Added
Vanguard Group Inc1,181,982$36.7M0.00%+46,356+4.1%Added
AWM Investment Company, Inc.1,328,713$41.2M5.58%−319,606−19.4%Reduced
Ameriprise Financial Inc1,374,029$42.6M0.01%+1,374,029New
Hood River Capital Management LLC1,543,106$47.9M1.55%+187,337+13.8%Added
Goldman Sachs Group Inc1,950,942$60.5M0.02%+671,826+52.5%Added
Sculptor Capital LP0$00.00%−263,800−100.0%Sold out
Navellier & Associates Inc0$00.00%−140,523−100.0%Sold out
Fuller & Thaler Asset Management, Inc.0$00.00%−131,705−100.0%Sold out
Crawford Lake Capital Management, LLC0$00.00%−85,346−100.0%Sold out
Wolverine Trading, LLC0$00.00%−81,855−100.0%Sold out
EAM Global Investors LLC0$00.00%−70,565−100.0%Sold out
Portolan Capital Management, LLC0$00.00%−68,191−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−67,895−100.0%Sold out
Walleye Capital LLC0$00.00%−41,477−100.0%Sold out
Virtu Financial LLC0$00.00%−36,219−100.0%Sold out
Atria Wealth Solutions, Inc.0$00.00%−27,662−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−18,869−100.0%Sold out
Jump Financial, LLC0$00.00%−18,589−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−15,704−100.0%Sold out
JFG Wealth Management, LLC0$00.00%−15,000−100.0%Sold out
Belvedere Trading LLC0$00.00%−14,070−100.0%Sold out
Summit Partners Public Asset Management, LLC0$00.00%−12,343−100.0%Sold out
Calamos Advisors LLC0$00.00%−11,387−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−9,000−100.0%Sold out
HBK Sorce Advisory LLC0$00.00%−30,000−100.0%Sold out
Dorsey Wright & Associates0$00.00%−1,363−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−1,050−100.0%Sold out
Householder Group Estate & Retirement Specialist, LLC0$00.00%−400−100.0%Sold out
CarsonAllaria Wealth Management, Ltd.0$00.00%−250−100.0%Sold out
Affiance Financial, LLC0$00.00%−167−100.0%Sold out
Benjamin F. Edwards & Company, Inc.0$00.00%−148−100.0%Sold out
Alpha Paradigm Partners, LLC––––Not filed
Align Wealth Management, LLC––––Not filed