Mattern Capital Management, Llc

Institutional manager — quarterly 13F holdings, Q ending 2026-03-31

Reported value
$834.9M
Q ending 2026-03-31
Prior quarter
$846.9M
Q ending 2025-12-31
Change
-1.4% QoQ · +6.3% YoY
Positions
170
reported holdings

Largest positions

Top 100 of 170 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
HoldingTickerTypeValueShares
Apple IncAAPLShares$19.7M78K
Phillips 66PSXShares$16.1M89K
Microsoft CorpMSFTShares$15.3M41K
Costco Wholesale CorporationCOSTShares$14.4M14K
Cencora IncCORShares$13.2M42K
Ww Grainger IncGWWShares$13.1M12K
Wec Energy Group IncWECShares$12.7M110K
Nextera Energy IncNEEShares$12.4M134K
Cms Energy CorpCMSShares$12.4M160K
Lowes Cos IncLOWShares$12.3M52K
Aflac IncAFLShares$12.1M111K
L3Harris Technologies IncLHXShares$12.0M35K
Linde PlcShares$11.9M24K
American Wtr Wks Co Inc NewAWKShares$11.9M88K
Chubb Ltd SwitzShares$11.8M36K
Broadcom IncAVGOShares$11.5M37K
General Dynamics CorpGDShares$11.3M33K
Atmos Energy CorpATOShares$11.0M60K
Walmart IncWMTShares$11.0M88K
Abbott LaboratoriesABTShares$10.9M106K
Motorola Solutions IncMSIShares$10.7M25K
Unitedhealth Group IncUNHShares$10.5M39K
Constellation Energy CorpCEGShares$10.4M37K
Roper Technologies IncROPShares$10.3M29K
Broadridge Finl Solutions InBRShares$10.2M63K
Factset Resh Sys IncFDSShares$10.1M47K
Automatic Data Processing InADPShares$10.0M49K
IntuitINTUShares$10.0M23K
Blackrock IncBLKShares$10.0M10K
New Jersey Res CorpNJRShares$9.9M180K
Paychex IncPAYXShares$9.9M107K
Trane Technologies PlcShares$9.8M24K
Waste Mgmt Inc DelWMShares$9.7M42K
Prologis Inc.PLDShares$9.6M72K
Accenture Plc IrelandShares$9.5M48K
Ecolab IncECLShares$9.4M36K
Sherwin Williams CoSHWShares$9.4M29K
Brown & Brown IncBROShares$9.3M143K
S&P Global IncSPGIShares$9.3M22K
Mcdonalds CorpMCDShares$9.3M30K
Illinois Tool Wks IncITWShares$9.2M35K
Intercontinental Exchange InICEShares$9.2M58K
Pepsico IncPEPShares$9.2M59K
Xylem IncXYLShares$9.0M76K
Home Depot IncHDShares$9.0M27K
Tractor Supply CoTSCOShares$9.0M198K
Colgate Palmolive CoCLShares$8.9M104K
Eli Lilly & CoLLYShares$8.8M10K
Stryker CorporationSYKShares$8.8M27K
Cintas CorpCTASShares$8.7M52K
Medtronic PlcShares$8.7M100K
Johnson & JohnsonJNJShares$8.6M35K
Church & Dwight Co IncCHDShares$8.5M91K
Analog Devices IncADIShares$8.4M27K
Amgen IncAMGNShares$8.4M24K
Procter & Gamble CoPGShares$8.4M58K
Henry Jack & Assoc IncJKHYShares$8.2M52K
Zoetis IncZTSShares$8.2M69K
Visa IncVShares$8.1M27K
Parker-Hannifin CorpPHShares$8.1M9K
Mondelez Intl IncMDLZShares$8.1M141K
Ppg Inds IncPPGShares$8.1M76K
Commerce Bancshares IncCBSHShares$8.0M162K
Mastercard IncorporatedMAShares$8.0M16K
Texas Instrs IncTXNShares$7.8M40K
Cisco Sys IncCSCOShares$7.8M101K
Berkley W R CorpWRBShares$7.5M113K
Nike IncNKEShares$7.1M135K
Amphenol CorpAPHShares$6.7M53K
Becton Dickinson & CoBDXShares$6.6M42K
Vanguard Index FdsVOOShares$6.3M10K
Mccormick & Co IncMKCShares$6.2M124K
American Centy Etf TrAVIGShares$6.1M146K
J P Morgan Exchange Traded FJBNDShares$5.8M108K
Federal Rlty Invt Tr NewFRTShares$5.8M54K
Realty Income CorpOShares$5.6M92K
Wisdomtree TrUSFRShares$3.5M69K
Invesco Qqq TrQQQShares$3.1M5K
Amazon Com IncAMZNShares$3.1M15K
State Str Spdr Dow Jones IndDIAShares$2.9M6K
Janus Detroit Str TrVNLAShares$2.8M58K
Netflix Inc.NFLXShares$2.7M28K
Ishares TrTFLOShares$2.7M52K
American Centy Etf TrAVLVShares$2.5M31K
Vanguard Mun Bd FdsVTEBShares$2.3M46K
ConocophillipsCOPShares$2.3M17K
Chevron CorporationCVXShares$2.2M11K
Ishares TrIWDShares$2.2M10K
Alphabet IncGOOGShares$2.1M7K
Salesforce IncCRMShares$2.0M11K
Taiwan Semiconductor ManufacTSMShares$1.9M6K
Dimensional Etf TrustDUHPShares$1.8M50K
Vertex Pharmaceuticals IncVRTXShares$1.7M4K
Novo-Nordisk A SNVOShares$1.7M46K
Tyler Technologies IncTYLShares$1.7M5K
Asml Hldg NvShares$1.5M1K
Jpmorgan Chase & CoJPMShares$1.5M5K
Msci IncMSCIShares$1.5M3K
State Str Spdr S&P 500 Etf TSPYShares$1.5M2K
Berkshire Hathaway Inc DelBRK/BShares$1.4M3K

Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.