13F Insight
DOSSIER · 13F Holders · Q1 2026CyclicalNet sold
AEHR

AEHR Test Sys

201 institutions still hold AEHR Test Sys as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00760j108·201 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 5.3%
vs prior quarter
13F value held
$680M
55.0% inst. owned
of float
Holders
201
+87 QoQ
filers reporting
Activity
+26 / −51
+810 added · −815 reduced
this quarter
Concentration
12.47%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

201 institutions reported AEHR in Q1 2026. BlackRock, Inc. leads at 12.5% of the visible book. +87 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$85M2.3M0.00%Q1 202602
FMR LLC
CIK 0000315066
$79M2.1M0.00%Q1 202603
AWM Investment Company, Inc.
CIK 0001535264
$59M1.6M6.54%Q1 202604
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$54M1.5M0.01%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$48M1.3M0.00%Q1 202606
GOLDMAN SACHS GROUP INC
CIK 0000886982
$47M1.3M0.01%Q1 202607
BAILLIE GIFFORD & CO
CIK 0001088875
$37M1.0M0.04%Q1 202608
Vanguard Portfolio Management
CIK 0002100121
$34M918K0.00%Q1 202609
NEXT CENTURY GROWTH INVESTORS LLC
CIK 0001134007
$28M755K2.03%Q1 202610
GRATIA CAPITAL, LLC
CIK 0001599793
$28M749K12.22%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$27M726K0.00%Q1 202612
STATE STREET CORP
CIK 0000093751
$23M623K0.00%Q1 202613
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$21M577K0.00%Q1 202614
CITADEL ADVISORS LLC
CIK 0001423053
$21M1.1M0.00%Q4 202515
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 0001644956
$19M513K0.06%Q1 202616
GILDER GAGNON HOWE & CO LLC
CIK 0000902464
$16M444K0.20%Q1 202617
D. E. Shaw & Co., Inc.
CIK 0001009207
$14M682K0.01%Q4 202518
Point72 Asset Management, L.P.
CIK 0001603466
$14M368K0.02%Q1 202619
SILVERCREST ASSET MANAGEMENT GROUP LLC
CIK 0001232395
$13M344K0.09%Q1 202620
Caption Management, LLC
CIK 0001706766
$13M344K0.07%Q1 2026
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