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Mattern Capital Management, LLC

Q3 2026 Holdings

Filed 2026-11-02 | 166 holdings | $855.9M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Apple Inc(AAPL)COM037833100$23.7M71,1342.8%
Microsoft Corp(MSFT)COM594918104$19.7M38,4042.3%
WW Grainger Inc(GWW)COM384802104$14.0M11,2091.6%
Cencora Inc(COR)COM03073E105$13.1M43,7131.5%
Costco Wholesale Corporation(COST)COM22160K105$13.1M14,3561.5%
Broadcom Inc(AVGO)COM11135F101$12.5M35,7341.5%
Unitedhealth Group Inc(UNH)COM91324P102$12.5M33,9191.5%
Automatic Data Processing in(ADP)COM053015103$12.3M47,6051.4%
Aflac Inc(AFL)COM001055102$12.0M107,7441.4%
Factset Resh SYS Inc(FDS)COM303075105$11.8M43,7571.4%
Linde PLC(LIN)SHSG54950103$11.4M24,0861.3%
Chubb Limited(CB)COMH1467J104$11.3M34,7621.3%
Amgen Inc(AMGN)COM031162100$11.2M26,6361.3%
BlackRock Inc(BLK)COM09290D101$11.1M10,4721.3%
ELI Lilly & Co(LLY)COM532457108$11.0M9,5401.3%
WEC Energy Group Inc(WEC)COM92939U106$11.0M109,1821.3%
Texas Instrs Inc(TXN)COM882508104$11.0M39,2701.3%
General Dynamics Corp(GD)COM369550108$10.9M32,9261.3%
Lowes COS Inc(LOW)COM548661107$10.8M58,7811.3%
Motorola Solutions Inc(MSI)COM NEW620076307$10.6M23,8431.2%
Walmart Inc(WMT)COM931142103$10.6M102,1921.2%
Cisco SYS Inc(CSCO)COM17275R102$10.6M98,5971.2%
Broadridge Finl Solutions in(BR)COM11133T103$10.6M65,7301.2%
American WTR WKS Co Inc New(AWK)COM030420103$10.6M81,6441.2%
Nextera Energy Inc(NEE)COM65339F101$10.5M138,6861.2%
Roper Technologies Inc(ROP)COM776696106$10.5M30,0491.2%
Analog Devices Inc(ADI)COM032654105$10.5M26,4431.2%
Abbott Laboratories(ABT)COM002824100$10.4M105,1591.2%
Trane Technologies PLC(TT)SHSG8994E103$10.4M22,9561.2%
Accenture PLC Ireland(ACN)SHS CLASS AG1151C101$10.3M56,0481.2%
Sherwin Williams Co(SHW)COM824348106$10.2M31,6091.2%
Cintas Corp(CTAS)COM172908105$10.2M52,2421.2%
JPMorgan Chase & Co(JPM)COM46625H100$10.1M30,5631.2%
Visa Inc(V)COM CL A92826C839$10.1M28,1181.2%
Paychex Inc(PAYX)COM704326107$10.1M102,1331.2%
Brown & Brown Inc(BRO)COM115236101$9.9M163,2281.2%
CMS Energy Corp(CMS)COM125896100$9.9M157,3081.2%
Ecolab Inc(ECL)COM278865100$9.9M35,9811.2%
Intercontinental Exchange in(ICE)COM45866F104$9.8M64,5631.1%
Amphenol Corp(APH)CL A032095101$9.8M116,4351.1%
Johnson & Johnson(JNJ)COM478160104$9.8M37,0681.1%
S&P Global Inc(SPGI)COM78409V104$9.8M24,8741.1%
L3harris Technologies Inc(LHX)COM502431109$9.7M41,0411.1%
Parker-Hannifin Corp(PH)COM701094104$9.6M10,0071.1%
Atmos Energy Corp(ATO)COM049560105$9.5M60,9661.1%
Tractor Supply Co(TSCO)COM892356106$9.4M299,8531.1%
Xylem Inc(XYL)COM98419M100$9.3M92,0751.1%
Medtronic PLC(MDT)SHSG5960L103$9.2M106,8181.1%
Prologis Inc.(PLD)COM74340W103$9.2M70,7521.1%
Constellation Energy Corp(CEG)COM21037T109$9.2M36,0291.1%
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