Penbrook Management LLC Top Holdings and 13F Report (2026) About Penbrook Management LLCInvestment ActivityPenbrook Management LLC has $156.78 million in total holdings as of June 30, 2026.Penbrook Management LLC owns shares of 101 different stocks, but just 40 companies or ETFs make up 80% of its holdings.Approximately 8.84% of the portfolio was purchased this quarter.About 9.33% of the portfolio was sold this quarter.This quarter, Penbrook Management LLC has purchased 93 new stocks and bought additional shares in 17 stocks.Penbrook Management LLC sold shares of 22 stocks and completely divested from 5 stocks this quarter.Largest Holdings Novo Nordisk A/S $15,158,628Amazon.com $12,336,478Alphabet $8,280,262Microsoft $8,176,598Alphabet $7,969,004 Largest New Holdings this Quarter 811927102 - SEABRIDGE GOLD INC $2,854,952 HoldingM0854Q105 - Allot $2,436,360 Holding884903881 - THOMSON REUTERS CORP $1,990,822 Holding07317Q105 - Baytex Energy $1,597,400 Holding464287432 - iShares 20+ Year Treasury Bond ETF $476,174 Holding Largest Purchases this Quarter SEABRIDGE GOLD INC 110,915 shares (about $2.85M)Allot 275,295 shares (about $2.44M)THOMSON REUTERS CORP 24,381 shares (about $1.99M)Baytex Energy 399,350 shares (about $1.60M)iShares 20+ Year Treasury Bond ETF 5,510 shares (about $476.17K) Largest Sales this Quarter Aehr Test Systems 74,315 shares (about $7.14M)Planet Labs PBC 24,053 shares (about $796.88K)Backblaze 18,450 shares (about $292.62K)Photronics 7,675 shares (about $249.67K)Axcelis Technologies 1,200 shares (about $227.34K) Sector Allocation Over TimeMap of 500 Largest Holdings ofPenbrook Management LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorNVONovo Nordisk A/S$15,158,6280.0%316,2009.7%MedicalAMZNAmazon.com$12,336,4780.0%51,7607.9%Retail/WholesaleGOOGLAlphabet$8,280,2620.0%23,1705.3%Computer and TechnologyMSFTMicrosoft$8,176,598$121,231 â–¼-1.5%21,9205.2%Computer and TechnologyGOOGAlphabet$7,969,0040.0%22,5545.1%Computer and TechnologyMCOMoody's$6,159,7120.0%13,6003.9%FinanceELECTROVAYA INC$3,428,818$324,509 â–²10.5%326,2312.2%StockCYRXCryoPort$3,181,997$265,330 â–²9.1%202,6752.0%TransportationVMDViemed Healthcare$3,159,829$54,492 â–²1.8%277,1782.0%MedicalMRVLMarvell Technology$2,898,4690.0%9,7301.8%Computer and TechnologyPLABPhotronics$2,896,959$249,668 â–¼-7.9%89,0551.8%Computer and TechnologySEABRIDGE GOLD INC$2,854,952$2,854,952 â–²New Holding110,9151.8%StockEXTRExtreme Networks$2,719,889$16,185 â–²0.6%84,0251.7%Computer and TechnologyPLPlanet Labs PBC$2,710,597$796,876 â–¼-22.7%81,8171.7%Computer and TechnologyPRTAProthena$2,660,1380.0%271,7201.7%MedicalALKTAlkami Technology$2,547,400$233,748 â–²10.1%140,5851.6%Computer and TechnologyALLTAllot$2,436,360$2,436,360 â–²New Holding275,2951.6%Business ServicesCSCOCisco Systems$2,155,3910.0%18,3501.4%Computer and TechnologyBXBlackstone$2,135,7100.0%18,1501.4%FinanceMGNIMagnite$2,126,519$2,847 â–¼-0.1%112,0401.4%Computer and TechnologyACLSAxcelis Technologies$2,064,057$227,340 â–¼-9.9%10,8951.3%Computer and TechnologyCURICuriosityStream$2,034,368$238,469 â–²13.3%764,8001.3%Consumer DiscretionaryTHOMSON REUTERS CORP$1,990,822$1,990,822 â–²New Holding24,3811.3%StockNNYNuveen New York Municipal Valu$1,867,9730.0%213,7271.2%FinanceVETVermilion Energy$1,850,5140.0%197,8251.2%EnergyTRGPTarga Resources$1,848,0200.0%6,8921.2%EnergyBRK.BBerkshire Hathaway$1,646,283$5,004 â–¼-0.3%3,2901.1%FinanceBTEBaytex Energy$1,597,400$1,597,400 â–²New Holding399,3501.0%EnergyETEnergy Transfer$1,424,2290.0%74,4890.9%EnergyWMBWilliams Companies$1,422,1240.0%19,1300.9%EnergyADPAutomatic Data Processing$1,410,8850.0%6,3000.9%Computer and TechnologyDAIOData I/O$1,402,049$3,940 â–¼-0.3%355,8500.9%Computer and TechnologySONYSony$1,374,1100.0%68,5000.9%Consumer DiscretionaryABBVAbbVie$1,296,449$4,530 â–¼-0.3%5,1520.8%MedicalVZVerizon Communications$1,288,152$22,228 â–²1.8%30,4240.8%Computer and TechnologyABNBAirbnb$1,280,7450.0%8,9500.8%Consumer DiscretionarySPYSPDR S&P 500 ETF Trust$1,198,5650.0%1,6050.8%FinanceMESOBLAST LTD SPONS ADR$1,178,1240.0%87,0750.8%ADRHESMHess Midstream Partners$1,130,0680.0%30,0550.7%EnergyBLFSBioLife Solutions$1,121,269$467,372 â–²71.5%39,7050.7%MedicalDVDoubleVerify$1,112,834$2,710 â–¼-0.2%102,6600.7%Computer and TechnologyUSACUSA Compression Partners$1,082,9920.0%41,0380.7%EnergyNPK INTERNATIONAL INC COM SHS$1,079,095$9,148 â–²0.9%67,8250.7%StockNVDANVIDIA$1,065,079$20,009 â–²1.9%5,3230.7%Computer and TechnologyOKEONEOK$983,2910.0%11,3100.6%EnergyMETAMeta Platforms$957,5930.0%1,7000.6%Computer and TechnologyKLICKulicke and Soffa Industries$949,6960.0%7,1000.6%Computer and TechnologyPARPAR Technology$936,499$313,299 â–²50.3%53,7600.6%Business ServicesBPOPPopular$870,154$32,836 â–¼-3.6%5,3000.6%FinanceNVSNovartis$868,2280.0%5,5400.6%MedicalBLZEBackblaze$851,682$292,617 â–¼-25.6%53,7000.5%Computer and TechnologyPOWIPower Integrations$770,5920.0%9,2000.5%Computer and TechnologyEMREmerson Electric$758,6950.0%5,3000.5%IndustrialsCVECenovus Energy$741,3220.0%29,8800.5%EnergySHELShell$728,8760.0%9,4000.5%EnergyOSSOne Stop Systems$706,747$142,986 â–¼-16.8%38,8750.5%Computer and TechnologyASURAsure Software$699,791$11,910 â–¼-1.7%88,1350.4%Computer and TechnologyWESWestern Midstream Partners$695,7840.0%15,9000.4%EnergyQQQInvesco QQQ$681,1700.0%9250.4%FinanceSGOLabrdn Physical Gold Shares ETF$652,968$2,867 â–¼-0.4%17,0800.4%ETFLINCLincoln Educational Services$634,478$1,247 â–¼-0.2%12,7150.4%Consumer DiscretionaryFBPFirst BanCorp.$589,182$23,463 â–¼-3.8%22,6000.4%FinanceRRCRange Resources$529,5850.0%14,2400.3%EnergyAEHRAehr Test Systems$499,512$7,138,699 â–¼-93.5%5,2000.3%Computer and TechnologyREGNRegeneron Pharmaceuticals$489,4780.0%7850.3%MedicalTLTiShares 20+ Year Treasury Bond ETF$476,174$476,174 â–²New Holding5,5100.3%ETFPIMPutnam Mast Int$475,0130.0%147,0630.3%FinancePAYSPaysign$469,368$12,490 â–²2.7%57,3100.3%Business ServicesHTGCHercules Capital$463,447$225,944 â–²95.1%29,3870.3%FinanceAAPLApple$442,4310.0%1,5290.3%Computer and TechnologyEPDEnterprise Products Partners$420,0560.0%11,4270.3%EnergyDMLPDorchester Minerals$409,6810.0%16,2250.3%EnergyFNFFidelity National Financial$408,782$23,580 â–¼-5.5%8,6680.3%FinanceKOPNKopin$395,472$117,824 â–¼-23.0%88,2750.3%Computer and TechnologyBMYBristol Myers Squibb$381,156$21,031 â–²5.8%6,6150.2%MedicalAMPLAmplitude$372,593$372,593 â–²New Holding48,7050.2%Business ServicesRITMRithm Capital$368,088$368,088 â–²New Holding39,2000.2%FinanceIBMInternational Business Machines$360,7920.0%1,2830.2%Computer and TechnologyRSPInvesco S&P 500 Equal Weight ETF$355,3250.0%1,6700.2%ETFTTITetra Technologies$297,525$1,699 â–¼-0.6%26,2600.2%EnergyTERTeradyne$290,304$290,304 â–²New Holding6000.2%Computer and TechnologySPLGSPDR Portfolio S&P 500 ETF$270,231$9,227 â–¼-3.3%3,0750.2%ETFIOVAIovance Biotherapeutics$257,691$81,120 â–²45.9%61,9450.2%MedicalREAVES UTIL INCOME FD COM SH BEN INT$249,4100.0%6,1250.2%CEFWLYJohn Wiley & Sons$242,550$242,550 â–²New Holding5,0000.2%Consumer StaplesJEPIJPMorgan Equity Premium Income ETF$238,6280.0%4,2250.2%ETFGBDCGolub Capital BDC$232,612$43,534 â–²23.0%18,0600.1%FinanceCVXChevron$228,2510.0%1,3770.1%EnergyAMAntero Midstream$225,2250.0%9,9000.1%EnergyMRKMerck & Co., Inc.$218,4500.0%1,7000.1%MedicalJPMJPMorgan Chase & Co.$216,037$216,037 â–²New Holding6600.1%FinanceCOPConocoPhillips$210,5190.0%2,0250.1%EnergyFAFFirst American Financial$205,770$205,770 â–²New Holding3,0000.1%FinanceVKQInv Vk Mun Tr$200,8000.0%20,0000.1%FinanceSKY HARBOUR GROUP CORPORATION COM CL A$192,175$192,175 â–²New Holding19,5300.1%StockBARNES & NOBLE ED INC$188,400$188,400 â–²New Holding15,0000.1%StockNUVNuveen Municipal Value Fund$184,4000.0%20,0000.1%FinanceAQSTAquestive Therapeutics$180,128$73,778 â–²69.4%43,3000.1%MedicalDXDynex Capital$131,7550.0%10,0500.1%FinanceONDSOndas$82,4410.0%10,0050.1%Computer and TechnologyShowing largest 100 holdings. 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