Mattern Capital Management, LLC Top Holdings and 13F Report (2026) About Mattern Capital Management, LLCInvestment ActivityMattern Capital Management, LLC has $856.75 million in total holdings as of June 30, 2026.Mattern Capital Management, LLC owns shares of 166 different stocks, but just 64 companies or ETFs make up 80% of its holdings.Approximately 6.68% of the portfolio was purchased this quarter.About 5.92% of the portfolio was sold this quarter.This quarter, Mattern Capital Management, LLC has purchased 170 new stocks and bought additional shares in 94 stocks.Mattern Capital Management, LLC sold shares of 43 stocks and completely divested from 7 stocks this quarter.Largest Holdings Apple $22,096,186W.W. Grainger $16,075,847Microsoft $15,325,768UnitedHealth Group $14,646,947Costco Wholesale $13,444,766 Largest New Holdings this Quarter 007903107 - Advanced Micro Devices $285,227 Holding149123101 - Caterpillar $231,083 Holding244199105 - Deere & Company $210,598 Holding Largest Purchases this Quarter JPMorgan Chase & Co. 26,516 shares (about $8.68M)Tractor Supply 86,868 shares (about $2.75M)NIKE 58,208 shares (about $2.39M)Zoetis 29,761 shares (about $2.14M)Becton, Dickinson and Company 14,050 shares (about $2.13M) Largest Sales this Quarter Phillips 66 51,700 shares (about $8.74M)PPG Industries 70,855 shares (about $8.59M)Commerce Bancshares 128,134 shares (about $7.40M)Federal Realty Investment Trust 38,737 shares (about $4.78M)Realty Income 71,831 shares (about $4.45M) Sector Allocation Over TimeMap of 500 Largest Holdings ofMattern Capital Management, LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorAAPLApple$22,096,186$358,229 ▼-1.6%76,3622.6%TechnologyGWWW.W. Grainger$16,075,847$259,836 ▼-1.6%11,8171.9%IndustrialsMSFTMicrosoft$15,325,768$96,238 ▼-0.6%41,0861.8%TechnologyUNHUnitedHealth Group$14,646,947$1,473,423 ▼-9.1%35,2401.7%HealthcareCOSTCostco Wholesale$13,444,766$40,226 ▼-0.3%14,3721.6%Consumer StaplesAVGOBroadcom$13,296,422$763,810 ▼-5.4%35,1991.6%TechnologyCORCencora$13,252,236$1,368,491 ▲11.5%46,8311.5%HealthcareAFLAflac$12,933,730$37,051 ▼-0.3%110,3091.5%FinanceCSCOCisco Systems$12,457,557$635,223 ▲5.4%106,0581.5%TechnologyLINDE PLC$12,324,825$170,731 ▼-1.4%23,7501.4%SHSCBChubb$12,254,714$53,155 ▼-0.4%35,9651.4%FinanceLLYEli Lilly and Company$12,219,793$708,863 ▲6.2%10,1881.4%HealthcareWECWEC Energy Group$12,131,119$707,509 ▼-5.5%103,8891.4%UtilitiesLOWLowe's Companies$12,107,106$640,303 ▲5.6%54,9101.4%Consumer DiscretionaryGDGeneral Dynamics$11,871,460$192,001 ▲1.6%33,5121.4%IndustrialsTXNTexas Instruments$11,788,072$261,109 ▼-2.2%39,5481.4%TechnologyNEENextEra Energy$11,550,532$205,206 ▼-1.7%131,6001.3%UtilitiesCMSCMS Energy$11,543,544$670,446 ▼-5.5%150,8961.3%UtilitiesADPAutomatic Data Processing$11,245,649$185,878 ▲1.7%50,2151.3%IndustrialsAWKAmerican Water Works$11,176,405$350,266 ▼-3.0%84,9401.3%UtilitiesTTTrane Technologies$11,146,876$461,690 ▼-4.0%22,6951.3%IndustrialsAPHAmphenol$11,035,164$1,711,362 ▲18.4%62,5861.3%TechnologyBROBrown & Brown$10,896,198$1,742,314 ▲19.0%169,8551.3%FinanceSHWSherwin-Williams$10,802,351$725,138 ▲7.2%31,3731.3%MaterialsFDSFactSet Research Systems$10,774,186$27,610 ▲0.3%46,8281.3%FinanceLHXL3Harris Technologies$10,648,671$553,283 ▲5.5%36,6451.2%IndustrialsHDHome Depot$10,584,985$970,223 ▲10.1%30,0131.2%Consumer DiscretionaryWALMART INC$10,583,581$592,123 ▲5.9%93,4451.2%COMPAYXPaychex$10,577,456$26,844 ▲0.3%107,5711.2%IndustrialsADIAnalog Devices$10,484,494$50,043 ▼-0.5%26,3981.2%TechnologyJPMJPMorgan Chase & Co.$10,379,962$8,679,483 ▲510.4%31,7111.2%FinanceECLEcolab$10,299,097$403,706 ▲4.1%36,9661.2%MaterialsMSIMotorola Solutions$10,253,510$55,649 ▲0.5%24,6901.2%TechnologyATOAtmos Energy$10,227,842$57,710 ▼-0.6%59,3711.2%UtilitiesBLACKROCK INC$10,212,729$225,005 ▲2.3%10,6211.2%COMAMGNAmgen$10,142,257$1,491,210 ▲17.2%28,0081.2%HealthcareJNJJohnson & Johnson$10,125,845$1,149,475 ▲12.8%39,8701.2%HealthcareVVisa$10,123,900$874,193 ▲9.5%29,5081.2%FinancePHParker-Hannifin$9,916,181$1,029,960 ▲11.6%10,1381.2%IndustrialsABTAbbott Laboratories$9,894,834$286,557 ▲3.0%109,0461.2%HealthcareITWIllinois Tool Works$9,876,212$286,698 ▲3.0%36,5151.2%IndustrialsXYLXylem$9,858,478$908,917 ▲10.2%83,3981.2%IndustrialsWMWaste Management$9,842,827$401,407 ▲4.3%44,1621.1%IndustrialsSPGIS&P Global$9,825,148$930,996 ▲10.5%24,1251.1%FinanceROPER TECHNOLOGIES INC$9,822,447$9,137 ▼-0.1%29,0271.1%COMNJRNewJersey Resources$9,788,563$299,534 ▼-3.0%174,6711.1%UtilitiesSYKStryker$9,784,912$1,394,426 ▲16.6%31,0791.1%HealthcarePLDPrologis$9,668,387$149,830 ▼-1.5%71,3691.1%Real EstateCLColgate-Palmolive$9,578,635$20,811 ▲0.2%104,4791.1%Consumer StaplesCTASCintas$9,507,812$709,914 ▲8.1%55,9021.1%IndustrialsBRBroadridge Financial Solutions$9,093,069$514,110 ▲6.0%66,3971.1%IndustrialsCHDChurch & Dwight$8,998,505$142,414 ▲1.6%92,8831.1%Consumer StaplesTSCOTractor Supply$8,994,531$2,745,898 ▲43.9%284,5471.0%Consumer DiscretionaryPGProcter & Gamble$8,971,250$474,378 ▲5.6%61,1791.0%Consumer StaplesMDTMedtronic$8,921,427$1,077,775 ▲13.7%114,0411.0%HealthcareWRBW.R. Berkley$8,892,211$931,349 ▲11.7%126,0771.0%FinanceMAMastercard$8,718,874$521,818 ▲6.4%16,9761.0%FinanceMCDMcDonald's$8,624,765$554,945 ▲6.9%31,9071.0%Consumer DiscretionaryCEGConstellation Energy$8,538,464$677,802 ▼-7.4%34,3781.0%UtilitiesBDXBecton, Dickinson and Company$8,432,562$2,126,187 ▲33.7%55,7231.0%HealthcareJKHYJack Henry & Associates$8,416,740$1,239,660 ▲17.3%61,1061.0%FinanceMDLZMondelez International$8,259,263$110,879 ▲1.4%142,7951.0%Consumer StaplesPEPPepsiCo$8,195,897$209,464 ▲2.6%60,5311.0%Consumer StaplesNKENIKE$7,936,320$2,389,439 ▲43.1%193,3330.9%Consumer DiscretionaryICEIntercontinental Exchange$7,575,820$395,799 ▲5.5%61,5370.9%FinanceVOOVanguard S&P 500 ETF$7,190,9010.0%10,4700.8%ETFZTSZoetis$7,115,433$2,138,625 ▲43.0%99,0180.8%HealthcareACNAccenture$6,765,429$787,083 ▲13.2%54,3670.8%TechnologyINTUIntuit$6,739,020$696,609 ▲11.5%25,8200.8%TechnologyPSXPhillips 66$6,237,776$8,739,885 ▼-58.4%36,8990.7%EnergyAVIGAvantis Core Fixed Income ETF$6,029,627$19,504 ▼-0.3%145,6080.7%ETFJ P MORGAN EXCHANGE TRADED F$5,775,593$20,598 ▼-0.4%107,9550.7%ACTIVE BOND ETFAVLVAvantis U.S. Large Cap Value ETF$4,109,401$1,289,079 ▲45.7%45,0540.5%ETFQQQInvesco QQQ$3,999,3880.0%5,4310.5%ETFUSFRWisdomTree Floating Rate Treasury Fund$3,649,519$189,819 ▲5.5%72,4830.4%ETFAMZNAmazon.com$3,594,406$58,632 ▲1.7%15,0810.4%Consumer DiscretionaryDIASPDR Dow Jones Industrial Average ETF Trust$3,289,4900.0%6,2970.4%ETFDUHPDimensional US High Profitability ETF$3,184,429$1,115,197 ▲53.9%76,3100.4%ETFVTEBVanguard Tax-Exempt Bond ETF$3,008,397$695,880 ▲30.1%59,4780.4%ETFTFLOiShares Treasury Floating Rate Bond ETF$2,808,092$154,472 ▲5.8%55,4630.3%ETFVNLAJanus Henderson Short Duration Income ETF$2,730,625$91,866 ▼-3.3%55,8810.3%ETFGOOGAlphabet$2,658,455$104,232 ▲4.1%7,5240.3%Communication ServicesIWDiShares Russell 1000 Value ETF$2,483,9380.0%10,2460.3%ETFTSMTaiwan Semiconductor Manufacturing$2,415,071$243,561 ▼-9.2%5,0570.3%TechnologyASMLASML$2,375,391$51,725 ▲2.2%1,1940.3%TechnologyNFLXNetflix$2,137,430$153,724 ▲7.7%29,9360.2%Communication ServicesVRTXVertex Pharmaceuticals$2,102,161$176,339 ▲9.2%4,2320.2%HealthcareNVONovo Nordisk A/S$2,006,241$214,531 ▼-9.7%41,8490.2%HealthcareCBSHCommerce Bancshares$1,969,679$7,399,738 ▼-79.0%34,1070.2%FinanceFRTFederal Realty Investment Trust$1,928,627$4,781,696 ▼-71.3%15,6240.2%Real EstateCRMSalesforce$1,824,932$113,108 ▲6.6%11,6490.2%TechnologySPYSPDR S&P 500 ETF Trust$1,706,374$40,326 ▲2.4%2,2850.2%ETFBRK.BBerkshire Hathaway$1,663,797$166,630 ▲11.1%3,3250.2%FinanceNVDANVIDIA$1,661,962$112,051 ▲7.2%8,3060.2%TechnologyTYLTyler Technologies$1,622,276$171,674 ▲11.8%5,5470.2%TechnologyRSGRepublic Services$1,604,492$412,736 ▲34.6%7,5300.2%IndustrialsAONAON$1,591,449$226,213 ▲16.6%4,7980.2%FinanceCOPConocoPhillips$1,581,959$205,425 ▼-11.5%15,2170.2%EnergyMSCIMSCI$1,578,753$30,802 ▲2.0%2,8190.2%FinanceIWFiShares Russell 1000 Growth ETF$1,552,249$1,162,604 ▲298.4%12,5010.2%ETFShowing largest 100 holdings. 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