AEHR TEST SYSTEMS (AEHR) — Institutional Holders, Q2 2026

262 institutional investment managers reported a AEHR position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $2.2B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

AEHR in Q2 2026: what funds did

Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.

New positions

102

Added to

72

Trimmed

71

Sold out

30

Biggest buyers

  1. TWO SIGMA INVESTMENTSAdded · +950,242 sh+$91.3M
  2. D. E. ShawAdded · +835,783 sh+$80.3M
  3. JPMORGAN CHASEAdded · +542,208 sh+$52.1M
  4. JANE STREET GROUPAdded · +476,478 sh+$45.8M
  5. Connor, Clark & Lunn Investment Management Ltd.Added · +451,949 sh+$43.4M

Biggest sellers

  1. AWM Investment CompanyTrimmed · -1,219,163 sh-$117.1M
  2. FMRTrimmed · -1,135,809 sh-$109.1M
  3. PRICE T ROWE ASSOCIATESTrimmed · -842,316 sh-$80.9M
  4. BAILLIE GIFFORDTrimmed · -797,140 sh-$76.6M
  5. WILLIAM BLAIR INVESTMENT MANAGEMENTSold out · -513,293 sh-$49.3M

AEHR 13F holders ranked 1–100 of 262

Institutional investors reporting a position in AEHR TEST SYSTEMS on SEC Form 13F-HR for Q2 2026, ranked by reported value.
InstitutionValueQoQ
BlackRock#1 · 2,659,542 sh$255.5M+16.3%
VANGUARD CAPITAL MANAGEMENT#2 · 1,320,350 sh$126.8M+3.0%
D. E. Shaw#3 · 1,177,421 sh$113.1M+244.6%
TWO SIGMA INVESTMENTS#4 · 1,164,614 sh$111.9M+443.3%
FMR#5 · 1,006,830 sh$96.7M-53.0%
VANGUARD PORTFOLIO MANAGEMENT#6 · 966,659 sh$92.9M+5.3%
GEODE CAPITAL MANAGEMENT#7 · 875,505 sh$84.1M+20.6%
GOLDMAN SACHS GROUP#8 · 810,036 sh$77.8M-35.8%
JANE STREET GROUP#9 · 753,523 sh$72.4M+172.0%
JPMORGAN CHASE#10 · 732,547 sh$69.6M+284.9%
STATE STREET#11 · 712,926 sh$68.5M+14.4%
Connor, Clark & Lunn Investment Management Ltd.#12 · 670,758 sh$64.4M+206.5%
PRICE T ROWE ASSOCIATES#13 · 507,035 sh$48.7M-62.4%
MORGAN STANLEY#14 · 480,400 sh$46.1M+190.0%
NEXT CENTURY GROWTH INVESTORS#15 · 410,731 sh$39.5M-45.6%
CITADEL ADVISORS#16 · 400,732 sh$38.5M+183.6%
MARSHALL WACE, LLP#17 · 382,738 sh$36.8M+3648.3%
AWM Investment Company#18 · 374,808 sh$36.0M-76.5%
T. Rowe Price Investment Management#19 · 318,127 sh$30.6MNew
Invesco Ltd.#20 · 296,226 sh$28.5M+3.7%
NORTHERN#21 · 277,020 sh$26.6M+9.9%
CHARLES SCHWAB INVESTMENT MANAGEMENT#22 · 249,512 sh$24.0M+5.9%
Science & Technology Partners, L.P.#23 · 249,000 sh$23.9MNew
LORD, ABBETT#24 · 247,640 sh$23.8M+38.1%
WELLINGTON MANAGEMENT GROUP LLP#25 · 238,453 sh$22.9M+56.0%
DRIEHAUS CAPITAL MANAGEMENT#26 · 238,422 sh$22.9MNew
VANGUARD FIDUCIARY#27 · 212,881 sh$20.4M+8.0%
TUDOR INVESTMENT ET AL#28 · 204,550 sh$19.6M+324.4%
BAILLIE GIFFORD#29 · 203,878 sh$19.6M-79.6%
Trexquant Investment#30 · 201,892 sh$19.4MNew
UBS Group AG#31 · 169,123 sh$16.2M-31.5%
Neuberger Berman Group#32 · 167,664 sh$16.1MNew
BARD ASSOCIATES#33 · 156,900 sh$15.1M-12.4%
KADENSA CAPITAL Ltd#34 · 155,299 sh$14.9MNew
Penn Capital Management Company#35 · 150,547 sh$14.5MNew
BNP PARIBAS FINANCIAL MARKETS#36 · 145,612 sh$14.0M+2205.1%
BERKSHIRE CAPITAL#37 · 142,640 sh$13.7MNew
NEW YORK STATE COMMON RETIREMENT FUND#38 · 138,047 sh$13.3M+124.2%
RENAISSANCE TECHNOLOGIES#39 · 134,500 sh$12.9MNew
BANK OF AMERICA#40 · 121,056 sh$11.6M+113.1%
Kultura Capital Management#41 · 117,865 sh$11.3M+47.0%
MILLENNIUM MANAGEMENT#42 · 108,877 sh$10.5M+13.6%
Nuveen#43 · 102,621 sh$9.9M+45.9%
BARCLAYS PLC#44 · 101,249 sh$9.7M+93.9%
GILDER GAGNON HOWE#45 · 100,204 sh$9.6M-77.4%
Bank of New York Mellon#46 · 93,571 sh$9.0M+4.7%
DIMENSIONAL FUND ADVISORS#47 · 93,404 sh$9.0M+0.4%
RICE HALL JAMES & ASSOCIATES#48 · 87,546 sh$8.4M-67.8%
RAYMOND JAMES FINANCIAL#49 · 86,773 sh$8.3M+15.3%
ALGERT GLOBAL#50 · 82,275 sh$7.9MNew
OSAIC#51 · 75,960 sh$7.3M-27.7%
HRT FINANCIAL#52 · 140,564 sh$6.5M+152.8%
POLEN CAPITAL MANAGEMENT#53 · 66,157 sh$6.4M-16.7%
FRANKLIN RESOURCES#54 · 64,831 sh$6.2M+389.3%
Evergreen Quality Fund GP, Ltd.#55 · 62,380 sh$6.0MNew
Pier Capital#56 · 60,394 sh$5.8M-52.4%
Swiss National Bank#57 · 59,900 sh$5.8M+4.2%
ROYAL BANK OF CANADA#58 · 56,027 sh$5.4M-6.5%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME#59 · 52,815 sh$5.1M+53.6%
Bouvel Investment Partners#60 · 48,852 sh$4.7M-32.0%
HERITAGE INVESTORS MANAGEMENT#61 · 48,363 sh$4.6M-0.1%
CAPITAL FUND MANAGEMENT S.A.#62 · 44,892 sh$4.3MNew
Harvest Investment Services#63 · 44,359 sh$4.3M+91.0%
Schonfeld Strategic Advisors#64 · 44,106 sh$4.2MNew
Russell Investments Group, Ltd.#65 · 41,611 sh$4.0M+412.1%
DEUTSCHE BANK AG\#66 · 40,960 sh$3.9M+53.3%
Premier Fund Managers Ltd#67 · 41,362 sh$3.9MNew
RHUMBLINE ADVISERS#68 · 38,835 sh$3.7M+5.4%
CITIGROUP#69 · 37,518 sh$3.6M+426.3%
Intrinsic Edge Capital Management#70 · 36,600 sh$3.5MNew
Informed Momentum#71 · 36,322 sh$3.5MNew
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP#72 · 35,987 sh$3.5MNew
SHARIAPORTFOLIO#73 · 34,460 sh$3.3MNew
WELLS FARGO & COMPANY#74 · 34,170 sh$3.3M+45.1%
LPL Financial#75 · 32,430 sh$3.1M+191.8%
AMERIPRISE FINANCIAL#76 · 31,946 sh$3.1MNew
Havemeyer Place#77 · 31,246 sh$3.0MNew
Cambridge Investment Research Advisors#78 · 27,560 sh$2.6M-12.8%
SG Americas Securities#79 · 26,877 sh$2.6M+136.1%
Sand Hill Global Advisors#80 · 25,700 sh$2.5MNew
Quantinno Capital Management#81 · 24,017 sh$2.3M-15.8%
Legal & General Group Plc#82 · 23,821 sh$2.3M-4.0%
Capstone Capital Management Ltd#83 · 21,867 sh$2.1MNew
Engineers Gate Manager#84 · 21,542 sh$2.1M+5.2%
VOYA INVESTMENT MANAGEMENT#85 · 21,484 sh$2.1MNew
VANGUARD ASSET MANAGEMENT, Ltd#86 · 20,929 sh$2.0M+9.1%
KP Management#87 · 20,000 sh$1.9MNew
Universal- Beteiligungs- und Servicegesellschaft mbH#88 · 19,035 sh$1.8M-37.8%
Vanguard Global Advisers#89 · 17,841 sh$1.7M-9.3%
BLAIR WILLIAM#90 · 17,838 sh$1.7MNew
MetLife Investment Management#91 · 17,837 sh$1.7M+7.8%
LAUREL OAK WEALTH MANAGEMENT#92 · 17,670 sh$1.7M-54.3%
STATE OF WISCONSIN INVESTMENT BOARD#93 · 17,618 sh$1.7M-19.7%
GROUP ONE TRADING, L.P.#94 · 17,271 sh$1.7M+35.4%
SUSQUEHANNA INTERNATIONAL GROUP, LLP#95 · 16,850 sh$1.6M-91.7%
Pictet Asset Management Holding SA#96 · 16,654 sh$1.6M+187.7%
Cetera Investment Advisers#97 · 16,652 sh$1.6M+19.6%
Toroso Investments#98 · 15,737 sh$1.5MNew
Johnson Financial Group#99 · 15,255 sh$1.5M-77.9%
Sun Group Wealth Partners#100 · 15,067 sh$1.4M-16.0%

Funds that sold out of AEHR in Q2 2026 (30)

Held AEHR at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.

Institutions that held AEHR in Q1 2026 and reported no position in Q2 2026.
InstitutionValue in Q1 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT513,293 sh$19.0M
SILVERCREST ASSET MANAGEMENT GROUP344,247 sh$12.8M
ExodusPoint Capital Management93,622 sh$3.5M
KENNEDY CAPITAL MANAGEMENT76,042 sh$2.8M
Kestra Advisory Services60,100 sh$2.2M
GRATIA CAPITAL51,560 sh$1.9M
IMC-Chicago50,709 sh$1.9M
SANDLER CAPITAL MANAGEMENT27,807 sh$1.0M
G2 Investment Partners Management25,000 sh$927.0K
Squarepoint Ops23,586 sh$874.6K
12 West Capital Management22,000 sh$815.8K
CLOUGH CAPITAL PARTNERS L P21,899 sh$812.0K
Headlands Technologies17,389 sh$644.8K
BALYASNY ASSET MANAGEMENT L.P.16,262 sh$603.0K
Halter Ferguson Financial14,631 sh$542.5K
NKCFO10,000 sh$371.0K
Verition Fund Management9,154 sh$339.4K
GREENWOOD CAPITAL ASSOCIATES9,044 sh$335.4K
Bridgewater Associates7,873 sh$291.9K
BOOTHBAY FUND MANAGEMENT6,254 sh$231.9K
Corient Private Wealth6,150 sh$228.0K
ACADIAN ASSET MANAGEMENT2,586 sh$95.0K
Crewe Advisors2,500 sh$92.7K
Alphadyne Asset Management2,416 sh$89.6K
Golden State Equity Partners265 sh$9.8K
SUMMIT SECURITIES GROUP199 sh$7.4K
Rachor Investment Advisory Services89 sh$3.3K
Colonial / SC80 sh$2.4K
Lloyd Advisory Services50 sh$1.9K
Advisory Services Network5 sh$185.00

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.