Latest Period
Q1 2026
Security Snapshot
AEHR TEST SYSTEMS - COMMON STOCK (AEHR) Institutional Ownership
CUSIP: 00760J108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
189
Shares (Excl. Options)
22,464,785
Price
$37.08
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- AEHR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 22,464,785
- Total 13F value
- $831,051,709
- Portfolio coverage rank
- 0%
- Share change
- +1,169,335
- Value change
- +$56,036,988
- Number of holders
- 189
- Shares outstanding
- 30,609,124
- SEC-reported price per share
- $103.25
- Insider filing price
- $103.25
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AEHR - AEHR TEST SYSTEMS - COMMON STOCK is tracked under CUSIP 00760J108.
- 189 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 150 to 189 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $427,826,099 to $831,051,709.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 189 institutions filings for Q1 2026.
Security key
00760J108
Latest holder period
Q1 2026
13F holders
189
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
AEHR full holder history
AEHR TEST SYSTEMS SEC filings
AEHR TEST SYSTEMS company facts
AEHR TEST SYSTEMS insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00760J108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
AEHR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 7% | -22% | $153,541,489 | -$40,030,351 | 2,142,639 | -21% | FMR LLC | 31 Mar 2026 |
| AWM Investment Company, Inc. | 5.3% | $13,243,386 | 1,587,936 | AWM Investment Company, Inc. | 31 Mar 2025 | |||
| BAILLIE GIFFORD & CO | 4.3% | -16% | $34,010,841 | -$6,322,472 | 1,290,734 | -16% | BAILLIE GIFFORD & CO | 31 Dec 2025 |
As of 31 Mar 2026, 189 institutional investors reported holding 22,464,785 shares of AEHR TEST SYSTEMS - COMMON STOCK (AEHR). This represents 73% of the company’s total 30,609,124 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
59%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.5% | 2,286,899 | +7.5% | 0% | $84,798,214 |
| FMR LLC | 7% | 2,142,639 | -15% | 0% | $79,449,043 |
| AWM Investment Company, Inc. | 5.2% | 1,593,971 | +3.7% | 6.5% | $59,104,445 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 4.4% | 1,349,351 | +3824% | 0.01% | $50,035,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 1,281,857 | 0% | 0% | $47,531,258 |
| GOLDMAN SACHS GROUP INC | 4.1% | 1,262,043 | +617% | 0.01% | $46,796,554 |
| BAILLIE GIFFORD & CO | 3.3% | 1,001,018 | -22% | 0.04% | $37,117,747 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3% | 917,876 | 0% | 0% | $34,034,842 |
| NEXT CENTURY GROWTH INVESTORS LLC | 2.5% | 754,737 | +37% | 2% | $27,985,647 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 725,711 | +5.8% | 0% | $26,913,350 |
| STATE STREET CORP | 2% | 623,306 | -0.12% | 0% | $23,112,186 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.7% | 513,293 | +3.6% | 0.06% | $19,032,904 |
| GILDER GAGNON HOWE & CO LLC | 1.5% | 444,296 | +40% | 0.2% | $16,474,496 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.1% | 344,247 | +12% | 0.09% | $12,764,679 |
| D. E. Shaw & Co., Inc. | 1.1% | 341,638 | +18% | 0.01% | $12,667,937 |
| Invesco Ltd. | 0.93% | 285,725 | +913% | 0% | $10,594,683 |
| JANE STREET GROUP, LLC | 0.91% | 277,045 | +15% | 0.01% | $10,272,828 |
| RICE HALL JAMES & ASSOCIATES, LLC | 0.89% | 272,252 | -40% | 0.56% | $10,095,104 |
| Walleye Capital LLC | 0.87% | 267,187 | +5576% | 0.06% | $9,907,294 |
| NORTHERN TRUST CORP | 0.82% | 252,158 | +5.1% | 0% | $9,350,020 |
| UBS Group AG | 0.81% | 246,763 | +1.5% | 0% | $9,149,972 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.77% | 235,539 | -1.2% | 0% | $8,733,786 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.71% | 218,809 | 0.02% | $8,113,438 | |
| TWO SIGMA INVESTMENTS, LP | 0.7% | 214,372 | -40% | 0.01% | $7,948,914 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.66% | 202,039 | +82% | 0.01% | $7,491,607 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 22,464,785 | $831,051,709 | +$56,036,988 | $37.08 | 189 |
| 2025 Q4 | 21,189,636 | $427,826,099 | +$11,164,909 | $20.19 | 150 |
| 2025 Q3 | 20,358,934 | $612,609,642 | +$90,693,547 | $30.11 | 149 |
| 2025 Q2 | 17,566,127 | $227,115,393 | -$14,886,276 | $12.93 | 119 |
| 2025 Q1 | 19,010,402 | $138,657,022 | -$28,962,796 | $7.29 | 112 |
| 2024 Q4 | 20,897,725 | $347,544,906 | +$8,799,257 | $16.63 | 131 |
| 2024 Q3 | 20,771,435 | $266,963,567 | +$19,456,828 | $12.85 | 125 |
| 2024 Q2 | 19,156,418 | $213,988,064 | +$8,723,826 | $11.17 | 117 |
| 2024 Q1 | 17,392,821 | $215,663,374 | -$98,231,746 | $12.40 | 129 |
| 2023 Q4 | 20,112,697 | $533,606,211 | -$19,257,386 | $26.53 | 166 |
| 2023 Q3 | 19,778,754 | $903,916,162 | +$33,371,947 | $45.70 | 152 |
| 2023 Q2 | 19,161,977 | $790,709,960 | +$31,876,558 | $41.25 | 149 |
| 2023 Q1 | 18,779,703 | $582,404,404 | +$97,429,587 | $31.02 | 143 |
| 2022 Q4 | 16,007,072 | $321,738,635 | +$91,179,841 | $20.10 | 126 |
| 2022 Q3 | 11,763,395 | $165,868,239 | +$46,244,608 | $14.10 | 81 |
| 2022 Q2 | 8,799,809 | $66,048,293 | -$17,995,100 | $7.50 | 70 |
| 2022 Q1 | 10,819,623 | $109,938,533 | -$34,514,201 | $10.16 | 77 |
| 2021 Q4 | 11,086,553 | $268,043,013 | +$76,655,390 | $24.18 | 71 |
| 2021 Q3 | 7,992,191 | $109,664,000 | +$45,952,079 | $13.65 | 41 |
| 2021 Q2 | 4,619,074 | $12,748,000 | -$590,413 | $2.76 | 18 |
| 2021 Q1 | 4,851,985 | $12,227,000 | -$328,531 | $2.52 | 20 |
| 2020 Q4 | 4,981,122 | $12,602,000 | -$794,871 | $2.53 | 21 |
| 2020 Q3 | 5,584,536 | $7,761,000 | -$886,011 | $1.39 | 21 |
| 2020 Q2 | 6,060,198 | $11,832,000 | +$177,643 | $1.96 | 19 |
| 2020 Q1 | 5,962,164 | $9,956,000 | +$767,111 | $1.67 | 21 |