13F

Stock

Aehr Test Sys

Ticker not mapped · held by 190 managers

Reported value

$769M

Holders

190

+56 new · −18 exited

Holders’ est. mark

$245M

Price effect on 128 books still in the name

Largest holder

$84.8M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.2.29M$84.8M$35.9MAdded$41.9M
Fidelity2.14M$79.4M$36.2MAdded$28.8M
AWM Investment Company, Inc.1.59M$59.1M$26MAdded$28.1M
VANGUARD CAPITAL MANAGEMENT LLC1.28M$47.5MHeld
GOLDMAN SACHS GROUP INC1.26M$46.8M$2.97MAdded$43.2M
BAILLIE GIFFORD & CO1M$37.1M$16.9MAdded$11.1M
VANGUARD PORTFOLIO MANAGEMENT LLC917.9K$34MHeld
NEXT CENTURY GROWTH INVESTORS LLC754.7K$28M$9.33MAdded$16.8M
GEODE CAPITAL MANAGEMENT, LLC725.7K$26.9M$11.6MAdded$13.1M
State Street623.3K$23.1M$10.5MAdded$10.5M
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC513.3K$19M$8.37MAdded$9.03M
GILDER GAGNON HOWE & CO LLC444.3K$16.5M$5.37MAdded$10.1M
SILVERCREST ASSET MANAGEMENT GROUP LLC344.2K$12.8M$5.21MAdded$6.54M
D. E. Shaw & Co., Inc.341.6K$12.7M$4.9MAdded$6.81M
Invesco Ltd.285.7K$10.6M$476.6KAdded$10M
JANE STREET GROUP, LLC277K$10.3M$4.06MAdded$5.42M
RICE HALL JAMES & ASSOCIATES, LLC272.3K$10.1M$4.6MAdded$937.6K
Walleye Capital LLC267.2K$9.91M$79.5KAdded$9.81M
NORTHERN TRUST CORP252.2K$9.35M$4.05MAdded$4.51M
UBS Group AG246.8K$9.15M$4.11MAdded$4.24M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC235.5K$8.73M$3.98MAdded$3.92M
Connor, Clark & Lunn Investment Management Ltd.218.8K$8.11MNew
TWO SIGMA INVESTMENTS, LP214.4K$7.95M$3.62MAdded$769.9K
SUSQUEHANNA INTERNATIONAL GROUP, LLP202K$7.49M$1.88MAdded$5.25M
VANGUARD FIDUCIARY TRUST CO197.2K$7.31MHeld
BARD ASSOCIATES INC179.1K$6.64M$3.03MAdded$3.01M
MORGAN STANLEY165.7K$6.14M$2.8MAdded$1.2M
JPMORGAN CHASE & CO190.3K$5.73M$638.7KAdded$4.43M
WELLINGTON MANAGEMENT GROUP LLP152.9K$5.67M$2.58MCut−$11.1M
Citadel141.3K$5.24M$2.39MAdded$781.5K
Pier Capital, LLC127K$4.71M$2.14MAdded$436.2K
OSAIC HOLDINGS, INC.105K$3.89M$1.67MAdded$1.9M
MILLENNIUM MANAGEMENT LLC95.8K$3.55M$1MAdded$2.36M
ExodusPoint Capital Management, LP93.6K$3.47MNew
DIMENSIONAL FUND ADVISORS LP93K$3.44M$1.57MAdded$1.24M
Bank of New York Mellon Corp89.4K$3.32M$1.51MAdded$1.5M
Kultura Capital Management LP80.2K$2.97MNew
Penbrook Management LLC79.5K$2.95M$1.34MAdded$628.6K
POLEN CAPITAL MANAGEMENT LLC79.4K$2.94M$508.6KAdded$2.34M
KENNEDY CAPITAL MANAGEMENT LLC76K$2.82M$1.28MCut−$4.45M
RAYMOND JAMES FINANCIAL INC75.2K$2.79M$215.2KAdded$2.53M
KLCM Advisors, Inc.75K$2.78M$1.27MAdded$1.27M
Bouvel Investment Partners, LLC71.8K$2.66M$908.6KAdded$1.58M
Nuveen, LLC70.4K$2.61M$1.17MAdded$1.21M
Johnson Financial Group, LLC68.9K$2.55MNew
NEW YORK STATE COMMON RETIREMENT FUND61.6K$2.28M$794.7KAdded$1.33M
Kestra Advisory Services, LLC60.1K$2.23M$1.02MAdded$1.02M
ROYAL BANK OF CANADA59.9K$2.22M$876.6KAdded$1.17M
Swiss National Bank57.5K$2.13M$950.9KAdded$995.4K
BANK OF AMERICA CORP /DE/56.8K$2.11M$959.4KAdded$679.5K
BARCLAYS PLC52.2K$1.94M$749.6KAdded$1.04M
GRATIA CAPITAL, LLC51.6K$1.91M$870.8KCut−$865.5K
IMC-Chicago, LLC50.7K$1.88M$510.7KAdded$1.27M
TUDOR INVESTMENT CORP ET AL48.2K$1.79M$814KCut−$1.88M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM41.6K$1.54M$29.6KAdded$1.51M
LAUREL OAK WEALTH MANAGEMENT, LLC38.7K$1.43MNew
ROYCE & ASSOCIATES LP38.1K$1.41M$643.5KAdded$562.8K
RHUMBLINE ADVISERS36.8K$1.37M$610.4KAdded$636.1K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC34.4K$1.27M$489.8KAdded$689.3K
Universal- Beteiligungs- und Servicegesellschaft mbH30.6K$1.14M$334.8KAdded$728.6K
Fortitude Advisory Group L.L.C.28.7K$1.06M$356.5KAdded$637.4K
Quantinno Capital Management LP28.5K$1.06M$481.7KAdded$462K
SANDLER CAPITAL MANAGEMENT27.8K$1.03MNew
DEUTSCHE BANK AG\26.7K$990.9K$362.4KAdded$557.7K
G2 Investment Partners Management LLC25K$927KNew
Legal & General Group Plc24.8K$920.3K$419.2KAdded$334.9K
Squarepoint Ops LLC23.6K$874.6K$398.4KCut−$1.15M
WELLS FARGO & COMPANY/MN23.6K$873.4K$397.8KAdded$162.3K
Harvest Investment Services, LLC23.2K$861.3K$392.3KAdded$358.4K
SEI INVESTMENTS CO23.1K$856.9K$390.3KAdded$212.4K
Brevan Howard Capital Management LP22.8K$844.5K$384.7KAdded$199.2K
12 West Capital Management LP22K$815.8KNew
STATE OF WISCONSIN INVESTMENT BOARD21.9K$813.5K$370.5KAdded$90.3K
CLOUGH CAPITAL PARTNERS L P21.9K$812KNew
HORIZON KINETICS ASSET MANAGEMENT LLC21.6K$800.9K$359.8KAdded$370.9K
Engineers Gate Manager LP20.5K$759.1K$255.1KAdded$454.3K
ALLIANCEBERNSTEIN L.P.36.4K$735.3K$0Held
Vanguard Global Advisers, LLC19.7K$729.5KHeld
VANGUARD ASSET MANAGEMENT, Ltd19.2K$711.4KHeld
Sun Group Wealth Partners17.9K$664.9K$296.6KAdded$310.3K
Rockefeller Capital Management L.P.17.9K$663.3K$26.7KAdded$631.4K
Headlands Technologies LLC17.4K$644.8K$293.7KCut−$222.3K
MetLife Investment Management, LLC16.5K$613.6K$279.5KAdded$276.4K
Balyasny Asset Management L.P.16.3K$603K$274.7KAdded$102.8K
STIFEL FINANCIAL CORP15.6K$579.6KNew
JANUS HENDERSON GROUP PLC15K$555.8K$253.2KAdded$253.2K
Halter Ferguson Financial Inc.14.6K$542.5K$247.1KCut−$12.4M
WHITE PINE CAPITAL LLC14.5K$539.1K$245.5KAdded$40.4K
Integrated Wealth Concepts LLC14.2K$526.4KNew
Inspire Investing, LLC14.1K$521.2K$237.4KAdded$51.3K
Cetera Investment Advisers13.9K$516.2K$195.9KAdded$282K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13.7K$508.4K$224KAdded$240.7K
CIM, LLC13.7K$506.9KNew
FRANKLIN RESOURCES INC13.3K$491.3K$223.8KAdded$223.8K
GROUP ONE TRADING LLC12.8K$473.1KNew
Belpointe Asset Management LLC12.2K$451.7KNew
Walleye Trading LLC12K$444.8KNew
Creative Planning11.7K$435.7KNew
LPL Financial LLC11.1K$412.1K$187.7KAdded$165K
ALLSTATE CORP10.9K$405.2KNew
Larson Financial Group LLC10.7K$397.3K$9.86KAdded$385.5K
MARSHALL WACE, LLP10.2K$378.6KNew
Caitong International Asset Management Co., Ltd10K$371.6K$270Added$371.3K
Brooklyn Investment Group9.64K$357.5KNew
Strait & Sound Wealth Management LLC9.4K$348.6KNew
Verition Fund Management LLC9.15K$339.4K$154.6KCut−$149K
Icahn Capital9.15K$339.2KNew
GREENWOOD CAPITAL ASSOCIATES LLC9.04K$335.4KNew
Zurcher Kantonalbank (Zurich Cantonalbank)8.92K$330.8K$150.7KAdded$150.7K
Graham Capital Management, L.P.8.5K$315.2KNew
Police & Firemen's Retirement System of New Jersey8.48K$314.4K$143.2KAdded$143.2K
Russell Investments Group, Ltd.8.13K$301.3K$42.1KAdded$250.9K
Vanguard Investments Australia, Ltd.8.02K$297.5KHeld
ARIZONA STATE RETIREMENT SYSTEM7.99K$296.3KNew
Bridgewater7.87K$291.9KNew
MANUFACTURERS LIFE INSURANCE COMPANY, THE7.86K$291.3KNew
Clarity Financial LLC7.73K$286.7KNew
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM7.6K$281.8KNew
INTECH INVESTMENT MANAGEMENT LLC7.53K$279.1K$127.1KAdded$63.5K
Vident Advisory, LLC7.31K$271KNew
CITIGROUP INC7.13K$264.3K$14.7KAdded$246.7K
XTX Topco Ltd6.87K$254.8K$116.1KCut−$537.1K
VestGen Advisors, LLC2.55K$246.7KNew
Brady Martz Wealth Solutions, LLC6.34K$235.3KNew
BNP PARIBAS FINANCIAL MARKETS6.32K$234.2K$102.9KAdded$111.3K
BOOTHBAY FUND MANAGEMENT, LLC6.25K$231.9KNew
Corient Private Wealth LLC6.15K$228KNew
KLP KAPITALFORVALTNING AS6.1K$226.2K$103KAdded$103K
Pictet Asset Management Holding SA5.79K$214.6KNew
Vanguard Personalized Indexing Management, LLC5.66K$209.9KNew
CWM, LLC5.66K$209.7K$209.6KAdded$209.6K
HUB Investment Partners, LLC5.47K$202.8KNew
Malaga Cove Capital, LLC5.4K$200.2KNew
RiverPark Advisors, LLC4.65K$172.3K$57.4KAdded$103.7K
Tower Research Capital LLC (TRC)3.6K$133.3K$54.5KAdded$68.2K
State of Wyoming3.23K$119.8K$54.6KCut−$23.8K
NISA INVESTMENT ADVISORS, LLC2.98K$110.6K$30.1KAdded$74.6K
Crewe Advisors LLC2.5K$92.7KNew
Leonteq Securities AG2.5K$92.7KNew
NBC SECURITIES, INC.2.5K$92.6KNew
Alphadyne Asset Management LP2.42K$89.6KNew
Ameritas Investment Partners, Inc.2.36K$87.5K$39.9KAdded$35.6K
Newbridge Financial Services Group, Inc.1.95K$72.3K$32.9KAdded$32.9K
Lodestone Wealth Management LLC1.83K$68KNew
GAMMA Investing LLC1.75K$64.7K$26.5KAdded$33K
Versant Capital Management, Inc1.38K$51K$22.3KAdded$24.4K
PRICE T ROWE ASSOCIATES INC /MD/1.35M$50K$580Added$49.3K
TD Waterhouse Canada Inc.1.25K$49.5K$24.2KAdded$24.2K
Farther Finance Advisors, LLC997$39.5K$18.7KAdded$20K
PNC Financial Services Group, Inc.1.05K$38.9K$17.6KAdded$17.8K
Gould Capital, LLC1K$37.1K$16.9KAdded$16.9K
JONES FINANCIAL COMPANIES LLLP1.03K$33.5K$12.7KAdded$12.7K
MCF Advisors LLC886$32.9K$10.8KAdded$20K
Sunbelt Securities, Inc.650$24.1K$11KAdded$11K
Federation des caisses Desjardins du Quebec571$21.1K$9.62KAdded$5.12K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.460$17.1K$13.6KAdded$17.1K
SBI Securities Co., Ltd.450$16.7K$7.6KAdded$3.99K
Arax Advisory Partners420$15.6K$7.09KCut−$1.26K
EverSource Wealth Advisors, LLC417$15.5K$5.24KAdded$9.2K
CoreCap Advisors, LLC366$13.6KNew
Sterling Capital Management LLC350$13K$5.91KAdded$3.29K
Optiver Holding B.V.345$12.8KNew
Golden State Equity Partners265$9.83KNew
SIGNATUREFD, LLC205$7.6K$608Added$6.87K
SUMMIT SECURITIES GROUP LLC199$7.38K$3.36KAdded$3.08K
LORD, ABBETT & CO. LLC179.3K$6.65KNew
LOS ANGELES CAPITAL MANAGEMENT LLC132$4.89K$1.58KAdded$1.58K
ROTHSCHILD INVESTMENT LLC101$3.75K$1.69KAdded$1.73K
Rachor Investment Advisory Services, LLC89$3.3K$304Added$2.94K
Allworth Financial LP69$2.56K$455Added$2.01K
Colonial Trust Co / SC80$2.41KNew
Darwin Wealth Management, LLC57$2.11K$963Added$963
Kingdom Financial Group LLC.50$1.85K$844Added$844
Lloyd Advisory Services, LLC.50$1.85KNew
HERITAGE INVESTORS MANAGEMENT CORP48.4K$1.79K$818Added$818
Smartleaf Asset Management LLC58$1.75K$567Added$567
Fortitude Family Office, LLC38$1.41K$642Added$198
Cambridge Investment Research Advisors, Inc.31.6K$1.17K$534Added$516
State of Alaska, Department of Revenue18.7K$692$315Added$315
GSA CAPITAL PARTNERS LLP17.4K$644New
Caitlin John, LLC15$556New
Kilter Group LLC14$520$220Added$257
MassMutual Private Wealth & Trust, FSB12$445New
SG Americas Securities, LLC11.4K$422New
NKCFO LLC10K$371New
Advisory Services Network, LLC5$185New
ACADIAN ASSET MANAGEMENT LLC2.59K$95New
KBC Group NV812$30New
TSFG, LLC100$4$2Added$2
Covestor Ltd5$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.