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OBERWEIS ASSET MANAGEMENT INC/ 13F holdings

Filed 2026-08-14 · OBERWEIS ASSET MANAGEMENT INC/ · 176 positions · $4.8B

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TickerCompanySharesValue% of portfolio
CRDOCredo Technology Group1.0M$275.6M5.7%
AAOIApplied Optoelectronics Inc.1.8M$265.4M5.5%
DOCNDigitalOcean Holdings, Inc.930.0K$146.0M3.0%
SIMOSilicon Motion Techn ADR316.4K$105.4M2.2%
UCTTUltra Clean Holdings647.3K$92.3M1.9%
—SharkNinja, Inc.593.5K$90.4M1.9%
SITMSiTime Corporation119.5K$89.1M1.8%
BTSGBrightSpring Health Services1.2M$82.7M1.7%
HNGEHinge Health, Inc.855.5K$71.0M1.5%
RMBSRambus, Inc527.0K$70.0M1.4%
MTSIMacom Technology Solutions179.4K$68.2M1.4%
LITELumentum Hldgs, Inc.72.2K$61.9M1.3%
LSCCLattice Semiconductor Corporat391.8K$59.9M1.2%
—Nova Ltd.108.7K$59.0M1.2%
CRSCarpenter Technology Corp.93.3K$57.5M1.2%
FTDRFrontdoor, Inc.719.1K$55.8M1.2%
ECGEverus Construction Group328.2K$54.5M1.1%
VCYTVeracyte, Inc.877.7K$51.5M1.1%
POWLPowell Industries Inc.179.5K$51.4M1.1%
LTHLife Time Holdings, Inc.1.2M$48.6M1.0%
RSIRush Street Interactive, Inc.1.6M$48.4M1.0%
MRCYMercury Systems, Inc.392.7K$48.0M1.0%
BROSDutch Bros., Inc.656.1K$47.1M1.0%
CLHClean Harbors, Inc.153.5K$45.9M0.9%
SEISolaris Energy Infrastructur564.6K$45.4M0.9%
DIODDiodes, Inc.413.8K$45.3M0.9%
ACAArcosa, Inc.295.4K$42.9M0.9%
BLBDBlue Bird Corporation529.8K$41.8M0.9%
—Camtek, Ltd.253.4K$41.3M0.9%
—LivaNova Plc500.1K$41.1M0.8%
AMSCAmerican Superconductor987.5K$41.0M0.8%
MXLMaxlinear, Inc. Class A319.5K$40.9M0.8%
GMEDGlobus Medical, Inc.-A512.1K$40.5M0.8%
NOVTNovanta, Inc.244.3K$39.6M0.8%
SKYWSkywest Inc383.8K$38.1M0.8%
VIAVViavi Solutions, Inc.793.6K$37.9M0.8%
MOG-AMoog Inc. - A86.7K$36.8M0.8%
LFUSLittelfuse, Inc.79.8K$36.3M0.8%
ARQTArcutis Biotherapeutics, Inc.1.4M$36.0M0.7%
FCFSFirstCash Holdings, Inc166.1K$35.9M0.7%
BLLNBilliontoone, Inc.299.0K$35.9M0.7%
DANDana Inc.1.3M$35.9M0.7%
ESIElement Solutions, Inc.740.1K$35.3M0.7%
AIRAAR Corp.246.3K$35.2M0.7%
RELYRemitly Global, Inc.1.6M$35.2M0.7%
ICUIICU Medical, Inc.237.1K$34.8M0.7%
FSSFederal Signal Corp.269.1K$34.6M0.7%
OUSTOuster, Inc.545.8K$34.1M0.7%
LEVILevi Strauss & Co.1.4M$33.7M0.7%
MMSIMerit Medical System Inc473.4K$32.8M0.7%
AIZAssurant, Inc.122.1K$32.8M0.7%
WAYWaystar Holding Corp.1.6M$32.6M0.7%
CECOCECO Environmental Corp.358.1K$32.5M0.7%
LQDALiquidia Corp.406.4K$32.4M0.7%
EHCEncompass Health Corporation316.9K$32.0M0.7%
INDVIndivior Plc779.2K$32.0M0.7%
CGNXCognex Corp.427.8K$31.0M0.6%
GVAGranite Construction193.1K$30.5M0.6%
PDFSPdf Solutions, Inc.426.4K$30.2M0.6%
NVSTEnvista Holdings Corp.1.1M$29.5M0.6%
Top Fund Holdings
13F
Top Fund Holdings

What did the whales just file?

13F data from SEC EDGAR. Quotes are delayed and not for trading. Not investment advice.

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13F data from SEC EDGAR. Quotes are delayed and not for trading. Not investment advice.
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