Penbrook Management LLC Top Holdings and 13F Report (2025) About Penbrook Management LLCInvestment ActivityPenbrook Management LLC has $132.99 million in total holdings as of June 30, 2025.Penbrook Management LLC owns shares of 102 different stocks, but just 36 companies or ETFs make up 80% of its holdings.Approximately 1.85% of the portfolio was purchased this quarter.About 10.13% of the portfolio was sold this quarter.This quarter, Penbrook Management LLC has purchased 107 new stocks and bought additional shares in 5 stocks.Penbrook Management LLC sold shares of 60 stocks and completely divested from 9 stocks this quarter.Largest Holdings Novo Nordisk A/S $21,492,828Microsoft $12,425,301Amazon.com $11,266,773Moody's $6,846,703Thomson Reuters $4,988,163 Largest New Holdings this Quarter 78464A854 - SPDR Portfolio S&P 500 ETF $254,415 Holding911549103 - United States Antimony $44,363 Holding68236H204 - Ondas $35,145 Holding15672X201 - CISO GLOBAL INC COM NEW $16,410 Holding Largest Purchases this Quarter Aehr Test Systems 84,875 shares (about $1.10M)ELECTROVAYA INC COM NEW 125,896 shares (about $429.09K)Photronics 14,385 shares (about $270.87K)SPDR Portfolio S&P 500 ETF 3,500 shares (about $254.42K)Data I/O 80,300 shares (about $248.93K) Largest Sales this Quarter Microsoft 1,027 shares (about $510.84K)CuriosityStream 84,250 shares (about $474.33K)MP Materials 12,555 shares (about $417.70K)Kulicke and Soffa Industries 10,455 shares (about $361.74K)Planet Labs PBC 44,485 shares (about $271.36K) 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$21,492,8280.0%311,40016.2%MedicalMSFTMicrosoft$12,425,301$510,840 ▼-3.9%24,9809.3%Computer and TechnologyAMZNAmazon.com$11,266,773$194,160 ▼-1.7%51,3558.5%Retail/WholesaleMCOMoody's$6,846,7030.0%13,6505.1%FinanceTRIThomson Reuters$4,988,1630.0%24,8483.8%Business ServicesGOOGAlphabet$4,385,0800.0%24,7203.3%Computer and TechnologyGOOGLAlphabet$4,083,2490.0%23,1703.1%Computer and TechnologyBXBlackstone$2,228,742$89,748 ▼-3.9%14,9001.7%FinanceTRGPTarga Resources$2,123,950$43,520 ▼-2.0%12,2011.6%EnergyPLPlanet Labs PBC$2,061,007$271,359 ▼-11.6%337,8701.5%Computer and TechnologyPLABPhotronics$2,004,076$270,869 ▲15.6%106,4301.5%Computer and TechnologyADPAutomatic Data Processing$1,942,9200.0%6,3001.5%Computer and TechnologySONYSony$1,783,0550.0%68,5001.3%Consumer DiscretionaryNNYNuveen New York Municipal Valu$1,733,3250.0%213,7271.3%FinanceAEHRAehr Test Systems$1,632,412$1,097,433 ▲205.1%126,2501.2%Computer and TechnologyBRK.BBerkshire Hathaway$1,505,887$233,170 ▼-13.4%3,1001.1%FinanceETEnergy Transfer$1,492,824$20,396 ▼-1.3%82,3401.1%EnergyFNFFidelity National Financial$1,458,737$58,190 ▼-3.8%26,0211.1%FinanceBPOPPopular$1,449,261$33,063 ▼-2.2%13,1501.1%FinanceSASeabridge Gold$1,401,833$38,478 ▼-2.7%96,5451.1%Basic MaterialsVZVerizon Communications$1,381,827$127,041 ▼-8.4%31,9351.0%Computer and TechnologyVETVermilion Energy$1,320,715$8,196 ▼-0.6%181,2751.0%EnergySYFSynchrony Financial$1,291,419$30,033 ▼-2.3%19,3501.0%FinanceCSCOCisco Systems$1,273,1230.0%18,3501.0%Computer and TechnologyMETAMeta Platforms$1,254,7530.0%1,7000.9%Computer and TechnologyVMDViemed Healthcare$1,243,938$183,509 ▼-12.9%180,0200.9%MedicalWMBWilliams Companies$1,239,2410.0%19,7300.9%EnergySPYSPDR S&P 500 ETF Trust$1,183,182$154,462 ▼-11.5%1,9150.9%FinanceACLSAxcelis Technologies$1,177,412$191,299 ▼-14.0%16,8950.9%Computer and TechnologyABNBAirbnb$1,171,2090.0%8,8500.9%Consumer DiscretionaryALKTAlkami Technology$1,169,281$78,816 ▼-6.3%38,7950.9%Computer and TechnologyFBPFirst BanCorp.$1,095,658$41,660 ▼-3.7%52,6000.8%FinanceDAIOData I/O$1,084,225$248,930 ▲29.8%349,7500.8%Computer and TechnologyQQQInvesco QQQ$1,072,939$55,164 ▼-4.9%1,9450.8%FinanceELECTROVAYA INC COM NEW$1,050,134$429,091 ▲69.1%308,1110.8%StockABBVAbbVie$978,7740.0%5,2730.7%MedicalMESOBLAST LTD SPONS ADR$954,7800.0%87,6750.7%ADRUSACUSA Compression Partners$944,151$15,510 ▼-1.6%38,8380.7%EnergyOKEONEOK$939,561$26,530 ▼-2.7%11,5100.7%EnergyHESMHess Midstream Partners$886,8850.0%23,0300.7%EnergyASURAsure Software$875,081$130,052 ▼-12.9%89,6600.7%Computer and TechnologyAAPLApple$831,7590.0%4,0540.6%Computer and TechnologyNVDANVIDIA$825,1810.0%5,2230.6%Computer and TechnologyCOHUCohu$746,512$221,260 ▼-22.9%38,8000.6%Computer and TechnologyEMREmerson Electric$719,9820.0%5,4000.5%IndustrialsNVGSNavigator$713,160$26,885 ▼-3.6%50,4000.5%TransportationNUNU$686,891$15,435 ▼-2.2%50,0650.5%FinanceMGNIMagnite$685,490$235,170 ▼-25.5%28,4200.5%Computer and TechnologyNVSNovartis$678,866$18,151 ▼-2.6%5,6100.5%MedicalSHELShell$661,854$35,205 ▼-5.1%9,4000.5%EnergyNRNewpark Resources$583,658$109,141 ▼-15.8%68,5850.4%EnergyRRCRange Resources$583,2070.0%14,3400.4%EnergyPARPAR Technology$522,702$100,239 ▼-16.1%7,5350.4%Business ServicesPOWIPower Integrations$514,2800.0%9,2000.4%Computer and TechnologyBLFSBioLife Solutions$498,758$156,596 ▼-23.9%23,1550.4%MedicalPIMPUTNAM MAST INT$494,503$1,842 ▼-0.4%147,6130.4%FinanceIBMInternational Business Machines$489,924$254,395 ▼-34.2%1,6620.4%Computer and TechnologyBBSIBarrett Business Services$483,6040.0%11,6000.4%Business ServicesWESWestern Midstream Partners$448,9200.0%11,6000.3%EnergyCURICuriosityStream$428,443$474,328 ▼-52.5%76,1000.3%Consumer DiscretionaryREGNRegeneron Pharmaceuticals$418,425$52,500 ▼-11.1%7970.3%MedicalCVECenovus Energy$391,6800.0%28,8000.3%EnergyDMLPDorchester Minerals$390,736$14,626 ▼-3.6%14,0250.3%EnergySGOLabrdn Physical Gold Shares ETF$369,491$114,332 ▼-23.6%11,7150.3%ETFGBDCGolub Capital BDC$365,590$130,751 ▼-26.3%24,9550.3%FinanceEPDEnterprise Products Partners$354,351$17,459 ▼-4.7%11,4270.3%EnergyFISFidelity National Information Services$352,0160.0%4,3240.3%Business ServicesORIOld Republic International$325,9710.0%8,4800.2%FinanceRSPInvesco S&P 500 Equal Weight ETF$321,679$72,696 ▼-18.4%1,7700.2%ETFBLDRBuilders FirstSource$319,8470.0%2,7410.2%Retail/WholesaleCYRXCryoPort$319,064$70,124 ▼-18.0%42,7700.2%TransportationKLICKulicke and Soffa Industries$297,560$361,743 ▼-54.9%8,6000.2%Computer and TechnologyCVSCVS Health$294,889$15,520 ▼-5.0%4,2750.2%MedicalLINCLincoln Educational Services$288,148$103,610 ▼-26.4%12,5010.2%Consumer DiscretionaryARCCAres Capital$279,770$16,470 ▼-5.6%12,7400.2%FinanceWBSWebster Financial$277,3680.0%5,0800.2%FinanceFAFFirst American Financial$270,116$15,348 ▼-5.4%4,4000.2%FinanceHTGCHercules Capital$266,228$190,471 ▼-41.7%14,5630.2%FinanceSPLGSPDR Portfolio S&P 500 ETF$254,415$254,415 ▲New Holding3,5000.2%ETFAFLAflac$247,831$52,730 ▼-17.5%2,3500.2%FinanceJEPIJPMorgan Equity Premium Income ETF$245,876$46,901 ▼-16.0%4,3250.2%ETFWLYJohn Wiley & Sons$245,4650.0%5,5000.2%Consumer StaplesINVEIdentiv$239,916$73,839 ▼-23.5%73,5940.2%Computer and TechnologyMPMP Materials$239,876$417,704 ▼-63.5%7,2100.2%Basic MaterialsREAVES UTIL INCOME FD COM SH BEN INT$219,793$132,057 ▼-37.5%6,0750.2%CEFBLZEBackblaze$219,037$40,975 ▼-15.8%39,8250.2%Computer and TechnologyJPCNuveen Preferred & Income Opportunities Fund$206,1940.0%25,7100.2%Financial ServicesPBIPitney Bowes$186,015$131,738 ▼-41.5%17,0500.1%Computer and TechnologyVKQInv Vk Mun Tr$183,0000.0%20,0000.1%FinanceNUVNuveen Municipal Value Fund$173,8000.0%20,0000.1%FinanceAQSTAquestive Therapeutics$144,266$69,510 ▲93.0%43,5850.1%MedicalXGNExagen$138,971$135,795 ▼-49.4%19,9100.1%MedicalFFord Motor$124,7750.0%11,5000.1%Auto/Tires/TrucksKOPNKopin$117,771$25,015 ▼-17.5%76,9750.1%Computer and TechnologyOESXOrion Energy Systems$107,972$94,618 ▼-46.7%179,9250.1%ConstructionASPNAspen Aerogels$83,945$23,532 ▼-21.9%14,1800.1%ConstructionMINMFS Intermediate Income Trust$73,422$23,848 ▼-24.5%27,0930.1%FinanceUAMYUnited States Antimony$44,363$44,363 ▲New Holding20,3500.0%Basic MaterialsTUSKMammoth Energy Services$36,400$2,800 ▼-7.1%13,0000.0%EnergyONDSOndas$35,145$35,145 ▲New Holding18,3050.0%Computer and TechnologyShowing largest 100 holdings. 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