Ticker · CUSIP 00760J108

AEHR

AEHR TEST SYS
Technology·Semiconductor Equipment & Materials
···Share
Holders (tracked)
16
Combined shares
4,716,045
Combined value
$95.22M
Last close
$83.86
Quarter
2025Q4
Price · 1Y$83.86+75.77 (+936.59%)H $83.86 · L $7.96 · Avg Vol 1.5M
Insider sellPosition opened
$20.00$40.00$60.00$80.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
16112024Q12025Q4
Price is +315.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. OLIPHANT LAURA · Director
    2026-04-16
    Sold $399.3K @ $85.59
    Insider sell
  2. POSEDEL RHEA J · Director
    2026-04-16
    Sold $1.21M @ $80.72
    Insider sell
  3. WIMMERS DIDIER · Executive VP of R&D
    2026-04-15
    Sold $136.8K @ $72.02
    Insider sell
  4. RICHMOND DONALD P. II · CTO
    2026-04-14
    Sold $1.24M @ $73.18
    Insider sell
  5. WIMMERS DIDIER · Executive VP of R&D
    2026-04-13
    Sold $248.9K @ $71.11
    Insider sell
  6. DANESH FARIBA · Director
    2026-04-13
    Sold $500.4K @ $71.49
    Insider sell
  7. SPORCK ALISTAIR N · VP Contactor Business Unit
    2026-04-10
    Sold $134.7K @ $67.36
    Insider sell
  8. Erickson Gayn · President and CEO
    2026-04-10
    Sold $6.78M @ $70.58
    Insider sell
  9. Erickson Gayn · President and CEO
    2026-04-10
    Sold $4.01M @ $70.58
    Insider sell
  10. DANESH FARIBA · Director
    2026-04-10
    Sold $245.2K @ $70.05
    Insider sell
  11. ROGERS VERNON · Exec VP of Sales & Mktg.
    2026-04-10
    Sold $762.2K @ $70.00
    Insider sell
  12. ENGINEER ADIL · Chief Operating Officer
    2026-04-09
    Sold $167.6K @ $66.31
    Insider sell
  13. ENGINEER ADIL · Chief Operating Officer
    2026-04-09
    Sold $79.5K @ $66.27
    Insider sell
  14. RICHMOND DONALD P. II · CTO
    2026-04-09
    Sold $1.08M @ $68.68
    Insider sell
  15. OLIPHANT LAURA · Director
    2026-04-09
    Sold $205.1K @ $68.36
    Insider sell
  16. SCOTT GEOFFREY GATES · Director
    2026-04-09
    Sold $340.0K @ $68.00
    Insider sell
  17. SCOTT GEOFFREY GATES · Director
    2026-04-09
    Sold $1.69M @ $67.75
    Insider sell
  18. SCOTT GEOFFREY GATES · Director
    2026-04-09
    Sold $339.5K @ $67.90
    Insider sell
  19. ENGINEER ADIL · Chief Operating Officer
    2026-04-09
    Sold $721.1K @ $68.15
    Insider sell
  20. ENGINEER ADIL · Chief Operating Officer
    2026-04-09
    Sold $171.1K @ $68.34
    Insider sell
  21. POSEDEL RHEA J · Director
    2026-04-09
    Sold $2.10M @ $70.00
    Insider sell
  22. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +181,500 shares · 2025Q4
    Position
  23. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −2,494 shares · 2025Q4
    Position
  24. D.E. Shaw & Co. added2026-02-17
    +55,917 shares · 2025Q4
    Position
  25. Wellington Management added2026-02-17
    +469,400 shares · 2025Q4
    Position
  26. Two Sigma Investments added2026-02-17
    +250,247 shares · 2025Q4
    Position
  27. Izzy Englander (Millennium Mgmt) added2026-02-17
    +492 shares · 2025Q4
    Position
  28. Steve Cohen (Point72) opened position2026-02-17
    +196,600 shares · 2025Q4
    Position
  29. T. Rowe Price trimmed2026-02-17
    −10,862 shares · 2025Q4
    Position
  30. Ray Dalio (Bridgewater Associates) exited2026-02-13
    −8,394 shares · 2025Q4
    Position

Insider activity

Last 30 days
Net (open-market)
−$22.57M
Buys
0 · $0
Sells
21 · $22.57M
Unique insiders
11
DateInsiderCodeSharesPriceValue
04-16OLIPHANT LAURA
Director · Insider
S4,665$85.59$399.3K
04-16POSEDEL RHEA J
Director · Insider
S15,000$80.72$1.21M
04-15WIMMERS DIDIER
Executive VP of R&D · Insider
S1,900$72.02$136.8K
04-14Erickson Gayn
President and CEO · Insider
F2,784$74.38$207.1K
04-14RICHMOND DONALD P. II
CTO · Insider
F299$74.38$22.2K
04-14ROGERS VERNON
Exec VP of Sales & Mktg. · Insider
F404$74.38$30.0K
04-14RICHMOND DONALD P. II
CTO · Insider
S17,011$73.18$1.24M
04-13DANESH FARIBA
Director · Insider
M7,000$2.25$15.8K
04-13DANESH FARIBA
Director · Insider
S7,000$71.49$500.4K
04-13WIMMERS DIDIER
Executive VP of R&D · Insider
S3,500$71.11$248.9K
04-11Erickson Gayn
President and CEO · Insider
F3,704$70.43$260.9K
04-11Siu Chris
CFO · Insider
F697$70.43$49.1K
04-11RICHMOND DONALD P. II
CTO · Insider
F423$70.43$29.8K
04-11ROGERS VERNON
Exec VP of Sales & Mktg. · Insider
F503$70.43$35.4K
04-11ENGINEER ADIL
Chief Operating Officer · Insider
F386$70.43$27.2K
04-11SPORCK ALISTAIR N
VP Contactor Business Unit · Insider
F220$70.43$15.5K
04-10ROGERS VERNON
Exec VP of Sales & Mktg. · Insider
S10,888$70.00$762.2K
04-10DANESH FARIBA
Director · Insider
S3,500$70.05$245.2K
04-10Erickson Gayn
President and CEO · Insider
S56,788$70.58$4.01M
04-10Erickson Gayn
President and CEO · Insider
S96,036$70.58$6.78M
04-10SPORCK ALISTAIR N
VP Contactor Business Unit · Insider
S2,000$67.36$134.7K
04-09POSEDEL RHEA J
Director · Insider
S30,000$70.00$2.10M
04-09RICHMOND DONALD P. II
CTO · Insider
S15,751$68.68$1.08M
04-09OLIPHANT LAURA
Director · Insider
S3,000$68.36$205.1K
04-09SCOTT GEOFFREY GATES
Director · Insider
S5,000$68.00$340.0K
View full insider history for AEHR →
Follow-the-investor returns
If you'd copied each holder of AEHR…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Paul Tudor Jones (Tudor Investment)2023Q4$10.49+699.3%$15.2M
T. Rowe Price2022Q1$12.08+594.1%$2.9M
Baillie Gifford & Co2023Q3$17.05+391.7%$108.2M
Steve Cohen (Point72)2022Q3$17.97+366.6%$9.6M
Steve Cohen (Point72)2022Q3$17.97+366.6%$9.6M
Wellington Management2024Q1$18.60+350.8%$69.7M
D.E. Shaw & Co.2022Q1$20.22+314.8%$31.2M
D.E. Shaw & Co.2022Q1$20.22+314.8%$31.2M
D.E. Shaw & Co.2022Q1$20.22+314.8%$31.2M
Two Sigma Investments2021Q4$20.25+314.0%$1.1M
Two Sigma Investments2021Q4$20.25+314.0%$1.1M
Two Sigma Investments2021Q4$20.25+314.0%$1.1M
Ken Griffin (Citadel Advisors)2016Q2$21.71+286.3%$24.1M
Ken Griffin (Citadel Advisors)2016Q2$21.71+286.3%$24.1M
Ken Griffin (Citadel Advisors)2016Q2$21.71+286.3%$24.1M
Izzy Englander (Millennium Mgmt)2017Q2$25.57+227.9%$5.0M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to4
Trimmed3
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
9
$22.6M
2022Q2
7
$7.9M
2022Q3
7
$21.8M
2022Q4
7
$37.1M
2023Q1
9
$80.4M
2023Q2
11
$135.3M
2023Q3
12
$152.8M
2023Q4
12
$103.3M
2024Q1
11
$47.1M
2024Q2
10
$56.6M
2024Q3
12
$35.2M
2024Q4
11
$58.8M
2025Q1
8
$22.7M
2025Q2
7
$38.8M
2025Q3
12
$114.4M
2025Q4
16
$95.2M

Who owns AEHR

16 super-investors · 2025Q4
Tracked stake
4.72M
shares
Combined value
$95M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added8Trim5
#ManagerSharesValue
1Baillie Gifford & Co1.29M$26M
2Wellington Management830.7K$17M
3Ken Griffin
Citadel Advisors
548.5K$11M
4D.E. Shaw & Co.371.9K$8M
5Two Sigma Investments355.6K$7M
6D.E. Shaw & Co.290.3K$6M
7Ken Griffin
Citadel Advisors
287.6K$6M
8Ken Griffin
Citadel Advisors
220.8K$4M
9Paul Tudor Jones
Tudor Investment
181.5K$4M
10Steve Cohen
Point72
114.9K$2M
11Steve Cohen
Point72
81.7K$2M
12Izzy Englander
Millennium Mgmt
59.2K$1M
13T. Rowe Price34.4K$695K
14D.E. Shaw & Co.19.9K$402K
15Two Sigma Investments15.5K$313K
16Two Sigma Investments12.9K$260K

Recent moves

20 transactions
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