Security Snapshot

AEHR TEST SYSTEMS - Common Stock, Par Value $0.01 (AEHR) Institutional Ownership

CUSIP: 00760J108

13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

256

Shares (Excl. Options)

23,159,851

Price

$96.06

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+653,934
Value change
+$145,570,348
Number of holders
256
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
34,073,455
SEC-reported price per share
$68.02
Insider filing price
$68.02
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • AEHR - AEHR TEST SYSTEMS - Common Stock, Par Value $0.01 is tracked under CUSIP 00760J108.
  • 256 institutions reported positions in Q2 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 189 to 256 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $831,170,365 to $2,223,801,479.

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

Latest holder context comes from 256 institutions filings for Q2 2026.

Open SEC evidence

Security key

00760J108

Latest holder period

Q2 2026

13F holders

256

13D/G owners

4

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
AEHR
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
JANE STREET GROUP, LLC 5.1% $158,357,119 1,648,523 JANE STREET GROUP, LLC 24 Jul 2026
BAILLIE GIFFORD & CO 4.3% -16% $34,010,841 -$6,322,472 1,290,734 -16% BAILLIE GIFFORD & CO 31 Dec 2025
FMR LLC 3.2% -54% $68,484,578 -$77,257,728 1,006,830 -53% FMR LLC 30 Jun 2026
AWM Investment Company, Inc. 1.1% -84% $25,494,440 -$82,516,967 374,808 -76% AWM Investment Company, Inc. 30 Jun 2026

As of 30 Jun 2026, 256 institutional investors reported holding 23,159,851 shares of AEHR TEST SYSTEMS - Common Stock, Par Value $0.01 (AEHR). This represents 68% of the company’s total 34,073,455 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
51%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 7.8% 2,659,542 +16% 0% $255,475,603
VANGUARD CAPITAL MANAGEMENT LLC 3.9% 1,320,350 +3% 0% $126,832,821
D. E. Shaw & Co., Inc. 3.5% 1,177,421 +245% 0.07% $113,103,061
TWO SIGMA INVESTMENTS, LP 3.4% 1,164,614 +443% 0.08% $111,872,821
FMR LLC 3% 1,006,830 -53% 0% $96,716,092
VANGUARD PORTFOLIO MANAGEMENT LLC 2.8% 966,659 +5.3% 0% $92,857,264
GEODE CAPITAL MANAGEMENT, LLC 2.6% 875,505 +21% 0% $84,114,151
GOLDMAN SACHS GROUP INC 2.4% 810,036 -36% 0.01% $77,812,014
JANE STREET GROUP, LLC 2.2% 753,523 +172% 0.05% $72,383,420
JPMORGAN CHASE & CO 2.1% 732,547 +285% 0% $69,554,167
STATE STREET CORP 2.1% 712,926 +14% 0% $68,483,672
Connor, Clark & Lunn Investment Management Ltd. 2% 670,758 +207% 0.12% $64,433,014
PRICE T ROWE ASSOCIATES INC /MD/ 1.5% 507,035 -62% 0% $48,707,000
MORGAN STANLEY 1.4% 480,400 +190% 0% $46,147,288
NEXT CENTURY GROWTH INVESTORS LLC 1.2% 410,731 -46% 2.1% $39,454,819
CITADEL ADVISORS LLC 1.2% 400,732 +184% 0.02% $38,494,316
MARSHALL WACE, LLP 1.1% 382,738 +3648% 0.03% $36,765,812
AWM Investment Company, Inc. 1.1% 374,808 -76% 3.1% $36,004,056
T. Rowe Price Investment Management, Inc. 0.93% 318,127 0.02% $30,560,000
Invesco Ltd. 0.87% 296,226 +3.7% 0% $28,455,470
NORTHERN TRUST CORP 0.81% 277,020 +9.9% 0% $26,610,540
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.73% 249,512 +5.9% 0% $23,968,123
Science & Technology Partners, L.P. 0.73% 249,000 4% $23,918,940
LORD, ABBETT & CO. LLC 0.73% 247,640 +38% 0.07% $23,788,000
WELLINGTON MANAGEMENT GROUP LLP 0.7% 238,453 +56% 0% $22,905,795

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 23,159,851 $2,223,801,479 +$145,570,348 $96.06 256
2026 Q1 22,467,985 $831,170,365 +$56,155,872 $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
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