AEHR
Aehr Test System (AEHR)
NASDAQ
$66.55-$1.47 (-2.16%)
Price as of Jul 13, 2026 7:59 PM EDT
  • $2.3B
    Market Cap
  • 390.76%
    1-Year Change
  • Semiconductor Equipment & Materials
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
7.43%
2.3M
+49,243 (+2.11%)
Dec 31, 2025
BLACKROCK, INC.
7.27%
2.3M
+159,794 (+6.99%)
Mar 31, 2026
FMR LLC
6.81%
2.1M
-365,281 (-17.05%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
6.51%
2.0M
+24,835 (+1.21%)
Dec 31, 2024
BLACKROCK INC.
6.05%
1.9M
-131,869 (-6.93%)
Jun 30, 2024
AWM INVESTMENT COMPANY, INC.
5.07%
1.6M
+57,200 (+3.59%)
Mar 31, 2026
COLLABORATIVE HOLDINGS MANAGEMENT LP
4.88%
1.5M
+297,846 (+19.42%)
Dec 31, 2021

Current Ownership Distribution

  • Institutions328.7M (73.61%)
  • Mutual Funds115.5M (25.88%)
  • Insiders2.3M (0.52%)
  • Other0 (0.00%)

Insider Transactions

  • 0.52% (2.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $54.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Siu Chris
CFO
In Kind
Jul 13, 2026
$71,728.80
988
$72.60
77,824
Erickson Gayn
President and CEO
In Kind
Jul 13, 2026
$319,730.40
4,404
$72.60
202,025
Siu Chris
CFO
In Kind
Jul 02, 2026
$79,684.44
1,139
$69.96
78,812
Erickson Gayn
President and CEO
In Kind
Jul 02, 2026
$216,246.36
3,091
$69.96
206,429
SALAMONE ALBERTO
EVP, PPBI BUSINESS
In Kind
Jul 02, 2026
$38,897.76
556
$69.96
51,838
ENGINEER ADIL
Chief Operating Officer
In Kind
Jul 02, 2026
$30,572.52
437
$69.96
47,506
ROGERS VERNON
Exec VP of Sales & Mktg.
In Kind
Jul 02, 2026
$23,576.52
337
$69.96
153,585
Siu Chris
CFO
Award
Jul 01, 2026
$0.00
6,165
$0.00
76,085
DANESH FARIBA
Director
Award
Jul 01, 2026
$0.00
1,658
$0.00
14,801
Siu Chris
CFO
Award
Jul 01, 2026
$0.00
6,079
$0.00
82,164
SCOTT GEOFFREY GATES
Director
Award
Jul 01, 2026
$0.00
1,658
$0.00
54,522
Siu Chris
CFO
In Kind
Jul 01, 2026
$186,832.52
2,213
$84.42
79,951
Erickson Gayn
President and CEO
Award
Jul 01, 2026
$0.00
35,886
$0.00
220,546
ENGINEER ADIL
Chief Operating Officer
Award
Jul 01, 2026
$0.00
6,165
$0.00
47,077
Erickson Gayn
President and CEO
Award
Jul 01, 2026
$0.00
11,899
$0.00
232,445
OLIPHANT LAURA
Director
Award
Jul 01, 2026
$0.00
1,658
$0.00
18,317
Erickson Gayn
President and CEO
In Kind
Jul 01, 2026
$1.9M
22,925
$84.42
209,520
SLAYEN HOWARD T
Director
Award
Jul 01, 2026
$0.00
1,658
$0.00
171,367
SALAMONE ALBERTO
EVP, PPBI BUSINESS
Award
Jul 01, 2026
$0.00
4,048
$0.00
51,869
ENGINEER ADIL
Chief Operating Officer
Award
Jul 01, 2026
$0.00
3,079
$0.00
50,156
SALAMONE ALBERTO
EVP, PPBI BUSINESS
Award
Jul 01, 2026
$0.00
1,978
$0.00
53,847
ROGERS VERNON
Exec VP of Sales & Mktg.
Award
Jul 01, 2026
$0.00
6,165
$0.00
153,742
SALAMONE ALBERTO
EVP, PPBI BUSINESS
In Kind
Jul 01, 2026
$122,669.52
1,453
$84.42
52,394
ENGINEER ADIL
Chief Operating Officer
In Kind
Jul 01, 2026
$186,832.52
2,213
$84.42
47,943
ROGERS VERNON
Exec VP of Sales & Mktg.
Award
Jul 01, 2026
$0.00
2,393
$0.00
156,135
ROGERS VERNON
Exec VP of Sales & Mktg.
In Kind
Jul 01, 2026
$186,832.52
2,213
$84.42
153,922
ROGERS VERNON
Exec VP of Sales & Mktg.
Sell
Apr 10, 2026
$762,160.00
10,888
$70.00
167,540
ENGINEER ADIL
Chief Operating Officer
Exempt
Apr 09, 2026
$0.00
10,582
$0.00
38,830
RICHMOND DONALD P. II
CTO
Sell
Apr 09, 2026
$1.1M
15,751
$68.68
199,245
OLIPHANT LAURA
Director
Sell
Apr 09, 2026
$205,072.50
3,000
$68.36
4,665