Aehr Test Systems (AEHR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

29,363,636Shares Outstanding

542,764Shares held by institutions

$15,463,346Value of institutional holdings

73.97%Institutional ownership %

9.53%Shares Changed QoQ

144No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Aehr Test Systems (NASDAQ:AEHR) includes 144 filers as of the latest reporting cycle ending December 2025.

Institutional ownership in Aehr Test Systems edged up to 74.0% in December 2025, compared to 70.3% in September 2025.
In percentage terms, this reflects as a holdings change of 9.53% quarter on quarter, and an increase of 9.09% year over year.
A review of institutional activity for Aehr Test Systems shows 88 of 144 filers increasing their positions, while 36 reduced their stake, and 20 remained unchanged.
Collectively, institutional investors increased their stake in Aehr Test Systems to 21.72Mn shares as of December 2025, a change that is up by 1.89Mn shares quarter on quarter and up 538.33K shares year over year.
The top institutional stake in Aehr Test Systems as of December 31, 2025 belongs to FMR LLC, which owns 2.51Mn shares, or 8.54% of the company.
Among the most significant buyers of Aehr Test Systems during December 2025 were WELLINGTON MANAGEMENT GROUP LLP (469.40K), NEXT CENTURY GROWTH INVESTORS LLC (276.16K), TWO SIGMA INVESTMENTS, LP (250.25K), Halter Ferguson Financial Inc. (189.12K), MORGAN STANLEY (155.52K).
Leading sellers of Aehr Test Systems stock in December 2025 included WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (398.39K), BAILLIE GIFFORD & CO (239.94K), FMR LLC (193.33K), Pier Capital, LLC (159.34K), AWM Investment Company, Inc. (30.00K).
The top 10 institutional holders of Aehr Test Systems for the quarter ending December 2025 included FMR LLC (2.51Mn), VANGUARD GROUP INC (2.34Mn), BlackRock, Inc. (2.13Mn), AWM Investment Company, Inc. (1.54Mn), BAILLIE GIFFORD & CO (1.29Mn), WELLINGTON MANAGEMENT GROUP LLP (830.66K), GEODE CAPITAL MANAGEMENT, LLC (685.69K), JANE STREET GROUP, LLC (652.74K), Halter Ferguson Financial Inc. (642.13K), STATE STREET CORP (624.09K).

144 Institutional Holders

542,764 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	2,507,920	-193,334	-7.16%	$50,634,905.00
VANGUARD GROUP INC	31 Dec, 2025	2,337,433	49,243	2.15%	$47,192,772.00
BlackRock, Inc.	31 Dec, 2025	2,127,105	124,772	6.23%	$42,946,249.00
AWM Investment Company, Inc.	31 Dec, 2025	1,536,771	-30,000	-1.91%	$31,027,406.00
BAILLIE GIFFORD & CO	31 Dec, 2025	1,290,734	-239,942	-15.68%	$26,059,921.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	830,664	469,400	129.93%	$16,771,106.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	685,694	5,591	0.82%	$13,846,125.00
JANE STREET GROUP, LLC	31 Dec, 2025	652,738	135,638	26.23%	$13,178,780.00
Halter Ferguson Financial Inc.	31 Dec, 2025	642,129	189,117	41.75%	$12,964,587.00
STATE STREET CORP	31 Dec, 2025	624,085	21,982	3.65%	$12,600,276.00
NEXT CENTURY GROWTH INVESTORS LLC	31 Dec, 2025	552,506	276,160	99.93%	$11,155,096.00
GRATIA CAPITAL, LLC	31 Dec, 2025	537,560	-2,000	-0.37%	$10,853,336.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	495,672	-398,389	-44.56%	$10,007,618.00
RICE HALL JAMES & ASSOCIATES, LLC	31 Dec, 2025	453,568	9,187	2.07%	$9,157,538.00
KENNEDY CAPITAL MANAGEMENT LLC	31 Dec, 2025	360,234	103,623	40.38%	$7,273,124.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	355,574	250,247	237.59%	$7,179,039.00
SILVERCREST ASSET MANAGEMENT GROUP LLC	31 Dec, 2025	308,387	523	0.17%	$6,226,334.00
Sculptor Capital LP	31 Dec, 2025	300,000	0	0.00%	$6,057,000.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	290,291	55,917	23.86%	$5,860,975.00
MORGAN STANLEY	31 Dec, 2025	244,783	155,516	174.21%	$4,942,169.00

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