AEHR TEST SYSTEMS

AEHRNASDAQ

$92.14-12.26 (-11.74% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

AEHR TEST SYSTEMS price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (+191.1%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	8.19%	$255M	0.00%	Not reported
Vanguard Capital Management LLC	4.07%	$127M	0.00%	Not reported
D. E. Shaw & Co., Inc.	3.63%	$113M	0.05%	Not reported
Two Sigma Investments, LP	3.59%	$112M	0.08%	Not reported
FMR LLC	3.10%	$96.7M	0.00%	Not reported
Vanguard Portfolio Management LLC	2.98%	$92.9M	0.00%	Not reported
Geode Capital Management, LLC	2.70%	$84.1M	0.00%	Not reported
Goldman Sachs Group Inc	2.49%	$77.8M	0.01%	Not reported
Jane Street Group, LLC	2.32%	$72.4M	0.01%	Not reported
JPMorgan Chase & Co	2.26%	$69.6M	0.00%	Not reported
State Street Corp	2.20%	$68.5M	0.00%	Not reported
Morgan Stanley	1.48%	$46.1M	0.00%	Not reported
Next Century Growth Investors LLC	1.26%	$39.5M	2.09%	Reduce 45.58%
Citadel Advisors LLC	1.23%	$38.5M	0.00%	Not reported
Marshall Wace, LLP	1.18%	$36.8M	0.03%	Not reported
T. Rowe Price Investment Management, Inc.	0.98%	$30.6M	0.02%	New Not reported
Invesco Ltd.	0.91%	$28.5M	0.00%	Not reported
Northern Trust Corp	0.85%	$26.6M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.77%	$24M	0.00%	Not reported
Science & Technology Partners, L.P.	0.77%	$23.9M	4.03%	New Not reported
Lord, Abbett & Co. LLC	0.76%	$23.8M	0.07%	Add 38.12%
Wellington Management Group LLP	0.73%	$22.9M	0.00%	Add 55.97%
Driehaus Capital Management LLC	0.73%	$22.9M	0.13%	New Not reported
Vanguard Fiduciary Trust Co	0.66%	$20.4M	0.00%	Not reported
Tudor Investment Corp Et Al	0.63%	$19.6M	0.03%	Not reported
Baillie Gifford & Co	0.63%	$19.6M	0.02%	Reduce 79.63%
Trexquant Investment LP	0.62%	$19.4M	0.11%	Not reported
UBS Group AG	0.52%	$16.2M	0.00%	Not reported
Neuberger Berman Group LLC	0.52%	$16.1M	0.01%	Not reported
Bard Associates Inc	0.48%	$15.1M	3.35%	Reduce 12.41%
KADENSA CAPITAL Ltd	0.48%	$14.9M	3.18%	New Not reported
Penn Capital Management Company, LLC	0.46%	$14.5M	0.92%	New Not reported
BNP Paribas Financial Markets	0.45%	$14M	0.00%	Not reported
Berkshire Capital Holdings Inc	0.44%	$13.7M	2.96%	New Not reported
New York State Common Retirement Fund	0.43%	$13.3M	0.02%	Not reported
Renaissance Technologies LLC	0.41%	$12.9M	0.02%	Not reported
Bank of America Corp	0.37%	$11.6M	0.00%	Not reported
Kultura Capital Management LP	0.36%	$11.3M	2.05%	Add 46.96%
Millennium Management LLC	0.34%	$10.5M	0.00%	Not reported
Nuveen, LLC	0.32%	$9.86M	0.00%	Not reported
Barclays PLC	0.31%	$9.73M	0.00%	Not reported
Gilder Gagnon Howe & Co LLC	0.31%	$9.63M	0.10%	Reduce 77.45%
Bank of New York Mellon Corp	0.29%	$8.99M	0.00%	Not reported
Dimensional Fund Advisors LP	0.29%	$8.97M	0.00%	Not reported
Rice Hall James & Associates, LLC	0.27%	$8.41M	0.41%	Reduce 67.84%
Raymond James Financial Inc	0.27%	$8.34M	0.00%	Not reported
Algert Global LLC	0.25%	$7.9M	0.09%	Not reported
Osaic Holdings, Inc.	0.23%	$7.3M	0.01%	Not reported
Polen Capital Management LLC	0.20%	$6.36M	0.05%	Reduce 16.67%
Evergreen Quality Fund GP, Ltd.	0.19%	$5.99M	0.10%	New Not reported

50 of 247 holders

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