AEHR Test Systems

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AEHR Test Systems
TickerAEHR
CIK #0001040470
CUSIP00760J108
SectorLife Sciences - Instruments For Meas & Testing Of Electricity & Elec Signals
Address400 Kato Terrace, Fremont, CA 94539
Source [EDGAR]
CIK Filing 2011 - 2025
[0001040470] 10-K
[0001040470] 10-Q
[0001040470] 3
[0001040470] 4
[0001040470] 8-K
[0001040470] D
[0001040470] SC 13D
[0001040470] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
AWM Investment Company Inc AEHR Test Systems [2025-05-07] 0.0
Baillie Gifford & Co AEHR Test Systems [2024-11-07] 0.0
FMR LLC AEHR Test Systems [2024-11-07] 0.0
Vanguard Group Inc AEHR Test Systems [2024-11-04] 7.22
Vanguard Group Inc AEHR Test Systems [2024-02-13] 5.24
BlackRock Inc AEHR Test Systems [2024-01-26] 7.2
AWM Investment Company Inc AEHR Test Systems [2023-02-14] 5.9
Goldman Sachs Group Inc AEHR Test Systems [2023-02-07] 5.2
FMR LLC AEHR Test Systems [2022-02-09] 0.0
Collaborative Holdings Management LP AEHR Test Systems [2021-10-05] 5.01
Royce & Associates LP AEHR Test Systems [2020-01-21] 5.46
Royce & Associates LP AEHR Test Systems [2019-01-14] 5.58
AWM Investment Company Inc AEHR Test Systems [2018-02-13] 8.3
AWM Investment Company Inc AEHR Test Systems [2017-02-10] 6.3
JMS Capital Group Wealth Services LLC AEHR Test Systems [2017-02-08] 1.47
QVT Financial LP AEHR Test Systems [2015-04-20] 0.99
Patel Mukesh AEHR Test Systems [2015-02-13] 3.8
Posedel Rhea J AEHR Test Systems [2015-02-13] 0.4
Erickson Gayn AEHR Test Systems [2014-12-15] 5.0
Patel Mukesh AEHR Test Systems [2014-12-08] 5.0
Anderson Robert R AEHR Test Systems [2014-12-08] 5.43
Schneider John M AEHR Test Systems [2014-11-24] 3.16
Private Wealth Advisors Inc AEHR Test Systems [2014-02-11] 2.0
Posedel Rhea J AEHR Test Systems [2014-02-07] 10.6
[2013-02-08] None
Westerly Capital Management LLC AEHR Test Systems [2012-04-02] 6.6
Marxe Austin W & Greenhouse David M AEHR Test Systems [2012-02-13] 5.3
[2012-02-10] None
Form 3/4/5 Filer 2011 - 2025
AEHR Test Systems
Salamone Alberto
Engineer ADIL
Richmond Donald P II
Rogers Vernon
Erickson Gayn
Sporck Alistair N
Oliphant Laura
Posedel Rhea J
Siu Chris
Danesh Fariba
Scott Geoffrey Gates
Slayen Howard T
Wimmers Didier
Ray-Chaudhuri Avijit K.
Spink Kenneth B
Hendrickson David S
Rosati Mario M
Brannan Michael A.
Fucci David
Schneider John M.
Sano Kunio
Buck Carl N
Elder William W R
Allison Mark D
Anderson Robert R
Larson Gary L
Patel Mukesh
Anderson Larry
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 2,188,609
BlackRock, Inc. [2025-06-30] SOLE 2,016,797 2,052,172
AWM Investment Company Inc [2025-06-30] SOLE 1,573,824 1,573,824
FMR LLC [2025-06-30] DFND 1,493,555 1,495,106
Baillie Gifford & Co [2025-06-30] DFND 1,237,528 1,237,528
Susquehanna International Group LLP [2025-06-30] OTR 170,935 770,635
Baillie Gifford & Co [2025-06-30] SOLE 751,885 751,885
Geode Capital Management LLC [2025-06-30] DFND 678,546 678,546
Rice Hall James & Associates LLC [2025-06-30] SOLE 490,996 612,452
State Street Corp [2025-06-30] DFND 567,800 611,982
Sculptor Capital LP [2025-06-30] DFND 0 600,000
Kennedy Capital Management LLC [2025-06-30] SOLE 444,782 444,782
Silvercrest Asset Management Group LLC [2025-06-30] SOLE 253,319 444,655
Halter Ferguson Financial Inc [2025-06-30] SOLE 0 439,714
Pier Capital LLC [2025-06-30] SOLE 260,170 405,932
Citadel Advisors LLC [2025-06-30] DFND 382,000 382,000
Bank of America Corp /DE/ [2025-06-30] DFND 4,993 359,320
Northern Trust Corp [2025-06-30] DFND 318,718 318,718
Wellington Management Group LLP [2025-06-30] DFND 0 270,851
National Bank of Canada /FI/ [2025-06-30] DFND 0 260,500
Jane Street Group LLC [2025-06-30] DFND 210,582 251,182
Charles Schwab Investment Management Inc [2025-06-30] SOLE 229,721 229,751
Tudor Investment Corp ET AL [2025-06-30] DFND 217,044 217,044
Morgan Stanley [2025-06-30] DFND 192,341 203,195
Bard Associates Inc [2025-06-30] SOLE 0 194,540
Penbrook Management LLC [2025-06-30] SOLE 0 167,625
Wolverine Trading LLC [2025-06-30] DFND 0 159,723
UBS Group AG [2025-06-30] DFND 124,243 141,243
Goldman Sachs Group Inc [2025-06-30] DFND 130,642 130,967
Dimensional Fund Advisors LP [2025-06-30] SOLE 93,185 120,340
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