Aehr Test Systems AEHR Institutional Ownership

NASDAQ AEHR

$61.21 -3.33 (-5.16%)

At close: Oct 29, 2026 · 4:00 PM EDT

Institutions by Trading Activity

263 Institutions

Increased 179 68.1%

Unchanged 14 5.3%

Reduced 70 26.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

71.54%

▼-1.01 pp QoQ

Shares Held by Institutions

23.24Mn

of 32.48Mn outstanding

▲+3.47% QoQ

Shares Outstanding

32.48Mn

9.24Mn held outside 13F filers

Institutional Investors

263

filed 13F for Jun 2026

▲+73 vs prior quarter

Net Shares Added (QoQ)

+779.24K

accumulated since last quarter

Value of Holdings

$1.42Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Aehr Test Systems (NASDAQ:AEHR) appeared in the 13F filings of 262 institutional investors for the quarter ended June 30, 2026.

These investors held 71.54% of Aehr Test Systems' outstanding shares at the end of Q2 2026, down from 72.54% in Q1 2026.
Total shares held in Aehr Test Systems rose 3.47% from Q1 2026, while the number of holders rose 122.03% from Q2 2025.
Of these 262 holders, 179 added to their positions, 70 reduced their stakes and 13 left their positions unchanged.
Altogether, institutional holders owned 23.23Mn AEHR shares at the end of Q2 2026, up 779.24K from the prior quarter and up 5.89Mn from a year earlier.
BlackRock, Inc. was the top holder of Aehr Test Systems as of June 30, 2026, with 2.66Mn shares, or 8.19% of shares outstanding.
The largest position increases in AEHR for Q2 2026 were by Two Sigma Investments, LP (+950.24K shares), D. E. Shaw & Co., Inc. (+835.78K shares), JPMorgan Chase & Co (+542.21K shares), Jane Street Group, LLC (+476.48K shares) and Connor, Clark & Lunn Investment Management Ltd. (+451.95K shares).
Among holders that kept a stake in Aehr Test Systems, the biggest sellers in Q2 2026 were AWM Investment Company, Inc. (-1.22Mn shares), FMR LLC (-1.14Mn shares), T. Rowe Price Associates Inc (-842.32K shares), Baillie Gifford & Co (-797.14K shares) and Goldman Sachs Group Inc (-452.01K shares).
Aehr Test Systems' 10 largest institutional shareholders as of Q2 2026 were BlackRock, Inc. (2.66Mn shares), Vanguard Capital Management LLC (1.32Mn shares), D. E. Shaw & Co., Inc. (1.18Mn shares), Two Sigma Investments, LP (1.16Mn shares), FMR LLC (1.01Mn shares), Vanguard Portfolio Management LLC (966.66K shares), Geode Capital Management, LLC (875.5K shares), Goldman Sachs Group Inc (810.04K shares), Jane Street Group, LLC (753.52K shares) and JPMorgan Chase & Co (732.55K shares), per Business Quant data.

Form 13F Holdings

263 Institutional Holders

Report period 30 Jun, 2026

Total shares held 23.24Mn

Of outstanding 71.54%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	2,659,542	8.19%	▲372,643	+16.29%	$255.48Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,320,350	4.07%	▲38,493	+3.00%	$126.83Mn
3	D. E. Shaw & Co., Inc.	0001009207	1,177,421	3.63%	▲835,783	+244.64%	$113.10Mn
4	TWO SIGMA INVESTMENTS, LP	0001179392	1,164,614	3.59%	▲950,242	+443.27%	$111.87Mn
5	FMR LLC	0000315066	1,006,830	3.10%	▼1,135,809	-53.01%	$96.72Mn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	966,659	2.98%	▲48,783	+5.31%	$92.86Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	875,505	2.70%	▲149,794	+20.64%	$84.11Mn
8	Goldman Sachs Group Inc	0000886982	810,036	2.49%	▼452,007	-35.82%	$77.81Mn
9	JANE STREET GROUP, LLC	0001595888	753,523	2.32%	▲476,478	+171.99%	$72.38Mn
10	Jpmorgan Chase & Co	0000019617	732,547	2.26%	▲542,208	+284.86%	$69.55Mn
11	State Street Corp	0000093751	712,926	2.19%	▲89,620	+14.38%	$68.48Mn
12	Connor, Clark & Lunn Investment Management Ltd.	0001596800	670,758	2.07%	▲451,949	+206.55%	$64.43Mn
13	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	507,035	1.56%	▼842,316	-62.42%	$48.71K
14	Morgan Stanley	0000895421	480,400	1.48%	▲314,727	+189.97%	$46.15Mn
15	NEXT CENTURY GROWTH INVESTORS LLC	0001134007	410,731	1.26%	▼344,006	-45.58%	$39.45Mn
16	CITADEL ADVISORS LLC	0001423053	400,732	1.23%	▲259,441	+183.62%	$38.49Mn
17	MARSHALL WACE, LLP	0001318757	382,738	1.18%	▲372,527	+3,648.29%	$36.77Mn
18	AWM Investment Company, Inc.	0001535264	374,808	1.15%	▼1,219,163	-76.49%	$36.00Mn
19	T. Rowe Price Investment Management, Inc.	0001897612	318,127	0.98%	▲318,127	0.00%	$30.56K
20	Invesco Ltd.	0000914208	296,226	0.91%	▲10,501	+3.68%	$28.46Mn

Showing 1 to 20 of 263 holders