Security key
00760J108
AEHR TEST SYSTEMS - Common Stock, Par Value $0.01 (AEHR)
CUSIP: 00760J108
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock, Par Value $0.01
- Total 13F shares
- 385,215
- Total 13F value
- $38,380,315
- Share change
- +141,798
- SEC-reported price per share
- $99.62
- Number of holders
- 56
- Value change
- +$14,212,507
- Number of buys
- 36
- Number of sells
- 18
- Shares outstanding
- 34,073,455
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
56
Top holders
10
AEHR full security history
Ownership snapshot
Full 13F holder table
AEHR TEST SYSTEMS SEC filings
AEHR TEST SYSTEMS company facts
Broader feeds
Ownership snapshot
Top reported holders of AEHR - AEHR TEST SYSTEMS - Common Stock, Par Value $0.01 (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
JANE STREET GROUP, LLC
Disclosed value leader
BlackRock, Inc.
Comparable rows
4/15
Latest evidence
24 Jul 2026
13D/G
13F
Lead comparable stake: 5.1%
11 rows are not safely comparable across share classes.
13D/G row: JANE STREET GROUP, LLC
Showing 1-6 of 15 holder rows.
Quick read
JANE STREET GROUP, LLC leads the comparable SEC ownership view at 5.1%.
4 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens JANE STREET GROUP, LLC's linked filing trail.
Comparable ownership
Top 4
JANE STREET GROUP, LLC
5.1%
BAILLIE GIFFORD & CO
4.3%
FMR LLC
3.2%
AWM Investment Company, Inc.
1.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| JANE STREET GROUP, LLC |
13D/G
13F
Company
|
5.1%
Reported 13D/G
· 24 Jul 2026
|
$158,357,119
1,648,523 shares
|
$0 | 24 Jul 2026 |
| BAILLIE GIFFORD & CO |
13D/G
13F
Company
|
4.3%
Reported 13D/G
· 31 Dec 2025
|
$34,010,841
1,290,734 shares
|
-$6,322,472 | 31 Dec 2025 |
| FMR LLC |
13F
13D/G
Company
|
3.2%
Reported 13D/G
· 30 Jun 2026
|
$96,716,092
1,006,830 shares
|
— | 30 Jun 2026 |
| AWM Investment Company, Inc. |
13F
13D/G
Company
|
1.1%
Reported 13D/G
· 30 Jun 2026
|
$36,004,056
374,808 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$255,475,603
2,659,542 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$126,832,821
1,320,350 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
56
Shares
385,215
Rows available
56
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
260
Q3 2026 holders
56
Holder diff
-204
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|