# MATTERN CAPITAL MANAGEMENT, LLC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1803227. Source: https://holderbook.com/funds/1803227-mattern-capital-management-llc/

- Reported value: $856.7M
- Positions: 166
- Weight of the ten largest: 17.0%
- Filed: 2026-07-24

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $22.1M | 76,362 | 2.6% | 27 |
| WW GRAINGER INC | [GWW](https://holderbook.com/stocks/GWW/) | $16.1M | 11,817 | 1.9% | 27 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $15.3M | 41,086 | 1.8% | 27 |
| UNITEDHEALTH GROUP INC | [UNH](https://holderbook.com/stocks/UNH/) | $14.6M | 35,240 | 1.7% | 27 |
| COSTCO WHOLESALE CORPORATION | [COST](https://holderbook.com/stocks/COST/) | $13.4M | 14,372 | 1.6% | 27 |
| BROADCOM INC | [AVGO](https://holderbook.com/stocks/AVGO/) | $13.3M | 35,199 | 1.6% | 10 |
| CENCORA INC | [COR](https://holderbook.com/stocks/COR/) | $13.3M | 46,831 | 1.5% | 27 |
| AFLAC INC | [AFL](https://holderbook.com/stocks/AFL/) | $12.9M | 110,309 | 1.5% | 27 |
| CISCO SYS INC | [CSCO](https://holderbook.com/stocks/CSCO/) | $12.5M | 106,058 | 1.5% | 27 |
| LINDE PLC | [LIN](https://holderbook.com/stocks/LIN/) | $12.3M | 23,750 | 1.4% | 14 |
| CHUBB LIMITED | [CB](https://holderbook.com/stocks/CB/) | $12.3M | 35,965 | 1.4% | 27 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $12.2M | 10,188 | 1.4% | 10 |
| WEC ENERGY GROUP INC | [WEC](https://holderbook.com/stocks/WEC/) | $12.1M | 103,889 | 1.4% | 27 |
| LOWES COS INC | [LOW](https://holderbook.com/stocks/LOW/) | $12.1M | 54,910 | 1.4% | 27 |
| GENERAL DYNAMICS CORP | [GD](https://holderbook.com/stocks/GD/) | $11.9M | 33,512 | 1.4% | 27 |
| TEXAS INSTRS INC | [TXN](https://holderbook.com/stocks/TXN/) | $11.8M | 39,548 | 1.4% | 27 |
| NEXTERA ENERGY INC | [NEE](https://holderbook.com/stocks/NEE/) | $11.6M | 131,600 | 1.3% | 27 |
| CMS ENERGY CORP | [CMS](https://holderbook.com/stocks/CMS/) | $11.5M | 150,896 | 1.3% | 27 |
| AUTOMATIC DATA PROCESSING IN | [ADP](https://holderbook.com/stocks/ADP/) | $11.2M | 50,215 | 1.3% | 27 |
| AMERICAN WTR WKS CO INC NEW | [AWK](https://holderbook.com/stocks/AWK/) | $11.2M | 84,940 | 1.3% | 27 |
| TRANE TECHNOLOGIES PLC | [TT](https://holderbook.com/stocks/TT/) | $11.1M | 22,695 | 1.3% | 2 |
| AMPHENOL CORP | [APH](https://holderbook.com/stocks/APH/) | $11.0M | 62,586 | 1.3% | 6 |
| BROWN & BROWN INC | [BRO](https://holderbook.com/stocks/BRO/) | $10.9M | 169,855 | 1.3% | 27 |
| SHERWIN WILLIAMS CO | [SHW](https://holderbook.com/stocks/SHW/) | $10.8M | 31,373 | 1.3% | 26 |
| FACTSET RESH SYS INC | [FDS](https://holderbook.com/stocks/FDS/) | $10.8M | 46,828 | 1.3% | 27 |
| L3HARRIS TECHNOLOGIES INC | [LHX](https://holderbook.com/stocks/LHX/) | $10.6M | 36,645 | 1.2% | 27 |
| HOME DEPOT INC | [HD](https://holderbook.com/stocks/HD/) | $10.6M | 30,013 | 1.2% | 26 |
| WALMART INC | [WMT](https://holderbook.com/stocks/WMT/) | $10.6M | 93,445 | 1.2% | 27 |
| PAYCHEX INC | [PAYX](https://holderbook.com/stocks/PAYX/) | $10.6M | 107,571 | 1.2% | 27 |
| ANALOG DEVICES INC | [ADI](https://holderbook.com/stocks/ADI/) | $10.5M | 26,398 | 1.2% | 27 |
| JPMORGAN CHASE & CO | [JPM](https://holderbook.com/stocks/JPM/) | $10.4M | 31,711 | 1.2% | 10 |
| ECOLAB INC | [ECL](https://holderbook.com/stocks/ECL/) | $10.3M | 36,966 | 1.2% | 27 |
| MOTOROLA SOLUTIONS INC | [MSI](https://holderbook.com/stocks/MSI/) | $10.3M | 24,690 | 1.2% | 2 |
| ATMOS ENERGY CORP | [ATO](https://holderbook.com/stocks/ATO/) | $10.2M | 59,371 | 1.2% | 26 |
| BLACKROCK INC | [BLK](https://holderbook.com/stocks/BLK/) | $10.2M | 10,621 | 1.2% | 7 |
| AMGEN INC | [AMGN](https://holderbook.com/stocks/AMGN/) | $10.1M | 28,008 | 1.2% | 27 |
| JOHNSON & JOHNSON | [JNJ](https://holderbook.com/stocks/JNJ/) | $10.1M | 39,870 | 1.2% | 27 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $10.1M | 29,508 | 1.2% | 11 |
| PARKER-HANNIFIN CORP | [PH](https://holderbook.com/stocks/PH/) | $9.9M | 10,138 | 1.2% | 10 |
| ABBOTT LABORATORIES | [ABT](https://holderbook.com/stocks/ABT/) | $9.9M | 109,046 | 1.2% | 27 |
| ILLINOIS TOOL WKS INC | [ITW](https://holderbook.com/stocks/ITW/) | $9.9M | 36,515 | 1.2% | 27 |
| XYLEM INC | [XYL](https://holderbook.com/stocks/XYL/) | $9.9M | 83,398 | 1.2% | 27 |
| WASTE MGMT INC DEL | [WM](https://holderbook.com/stocks/WM/) | $9.8M | 44,162 | 1.1% | 10 |
| S&P GLOBAL INC | [SPGI](https://holderbook.com/stocks/SPGI/) | $9.8M | 24,125 | 1.1% | 27 |
| ROPER TECHNOLOGIES INC | [ROP](https://holderbook.com/stocks/ROP/) | $9.8M | 29,027 | 1.1% | 6 |
| NEW JERSEY RES CORP | [NJR](https://holderbook.com/stocks/NJR/) | $9.8M | 174,671 | 1.1% | 27 |
| STRYKER CORPORATION | [SYK](https://holderbook.com/stocks/SYK/) | $9.8M | 31,079 | 1.1% | 27 |
| PROLOGIS INC. | [PLD](https://holderbook.com/stocks/PLD/) | $9.7M | 71,369 | 1.1% | 17 |
| COLGATE PALMOLIVE CO | [CL](https://holderbook.com/stocks/CL/) | $9.6M | 104,479 | 1.1% | 27 |
| CINTAS CORP | [CTAS](https://holderbook.com/stocks/CTAS/) | $9.5M | 55,902 | 1.1% | 16 |
| BROADRIDGE FINL SOLUTIONS IN | [BR](https://holderbook.com/stocks/BR/) | $9.1M | 66,397 | 1.1% | 27 |
| CHURCH & DWIGHT CO INC | [CHD](https://holderbook.com/stocks/CHD/) | $9.0M | 92,883 | 1.1% | 26 |
| TRACTOR SUPPLY CO | [TSCO](https://holderbook.com/stocks/TSCO/) | $9.0M | 284,547 | 1.0% | 17 |
| PROCTER & GAMBLE CO | [PG](https://holderbook.com/stocks/PG/) | $9.0M | 61,179 | 1.0% | 27 |
| MEDTRONIC PLC | [MDT](https://holderbook.com/stocks/MDT/) | $8.9M | 114,041 | 1.0% | 27 |
| BERKLEY W R CORP | [WRB](https://holderbook.com/stocks/WRB/) | $8.9M | 126,077 | 1.0% | 6 |
| MASTERCARD INCORPORATED | [MA](https://holderbook.com/stocks/MA/) | $8.7M | 16,976 | 1.0% | 10 |
| MCDONALDS CORP | [MCD](https://holderbook.com/stocks/MCD/) | $8.6M | 31,907 | 1.0% | 27 |
| CONSTELLATION ENERGY CORP | [CEG](https://holderbook.com/stocks/CEG/) | $8.5M | 34,378 | 1.0% | 4 |
| BECTON DICKINSON & CO | [BDX](https://holderbook.com/stocks/BDX/) | $8.4M | 55,723 | 1.0% | 27 |
| HENRY JACK & ASSOC INC | [JKHY](https://holderbook.com/stocks/JKHY/) | $8.4M | 61,106 | 1.0% | 27 |
| MONDELEZ INTL INC | [MDLZ](https://holderbook.com/stocks/MDLZ/) | $8.3M | 142,795 | 1.0% | 27 |
| PEPSICO INC | [PEP](https://holderbook.com/stocks/PEP/) | $8.2M | 60,531 | 1.0% | 27 |
| NIKE INC | [NKE](https://holderbook.com/stocks/NKE/) | $7.9M | 193,333 | 0.9% | 27 |
| INTERCONTINENTAL EXCHANGE IN | [ICE](https://holderbook.com/stocks/ICE/) | $7.6M | 61,537 | 0.9% | 26 |
| VANGUARD INDEX FDS | [VOO](https://holderbook.com/stocks/VOO/) | $7.2M | 10,470 | 0.8% | 13 |
| ZOETIS INC | [ZTS](https://holderbook.com/stocks/ZTS/) | $7.1M | 99,018 | 0.8% | 15 |
| ACCENTURE PLC IRELAND | [ACN](https://holderbook.com/stocks/ACN/) | $6.8M | 54,367 | 0.8% | 27 |
| INTUIT | [INTU](https://holderbook.com/stocks/INTU/) | $6.7M | 25,820 | 0.8% | 10 |
| PHILLIPS 66 | [PSX](https://holderbook.com/stocks/PSX/) | $6.2M | 36,899 | 0.7% | 27 |
| AMERICAN CENTY ETF TR | [AVIG](https://holderbook.com/stocks/AVIG/) | $6.0M | 145,608 | 0.7% | 8 |
| J P MORGAN EXCHANGE TRADED F | [JBND](https://holderbook.com/stocks/JBND/) | $5.8M | 107,955 | 0.7% | 5 |
| AMERICAN CENTY ETF TR | [AVLV](https://holderbook.com/stocks/AVLV/) | $4.1M | 45,054 | 0.5% | 14 |
| INVESCO QQQ TR | [QQQ](https://holderbook.com/stocks/QQQ/) | $4.0M | 5,431 | 0.5% | 13 |
| WISDOMTREE TR | [USFR](https://holderbook.com/stocks/USFR/) | $3.6M | 72,483 | 0.4% | 2 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $3.6M | 15,081 | 0.4% | 27 |
| STATE STR SPDR DOW JONES IND | [DIA](https://holderbook.com/stocks/DIA/) | $3.3M | 6,297 | 0.4% | 5 |
| DIMENSIONAL ETF TRUST | [DUHP](https://holderbook.com/stocks/DUHP/) | $3.2M | 76,310 | 0.4% | 8 |
| VANGUARD MUN BD FDS | [VTEB](https://holderbook.com/stocks/VTEB/) | $3.0M | 59,478 | 0.4% | 18 |
| ISHARES TR | [TFLO](https://holderbook.com/stocks/TFLO/) | $2.8M | 55,463 | 0.3% | 2 |
| JANUS DETROIT STR TR | [VNLA](https://holderbook.com/stocks/VNLA/) | $2.7M | 55,881 | 0.3% | 24 |
| ALPHABET INC | [GOOG](https://holderbook.com/stocks/GOOG/) | $2.7M | 7,524 | 0.3% | 13 |
| ISHARES TR | [IWD](https://holderbook.com/stocks/IWD/) | $2.5M | 10,246 | 0.3% | 12 |
| TAIWAN SEMICONDUCTOR MANUFAC | [TSM](https://holderbook.com/stocks/TSM/) | $2.4M | 5,057 | 0.3% | 10 |
| ASML HLDG NV | [ASML](https://holderbook.com/stocks/ASML/) | $2.4M | 1,194 | 0.3% | 7 |
| NETFLIX INC | [NFLX](https://holderbook.com/stocks/NFLX/) | $2.1M | 29,936 | 0.2% | 15 |
| VERTEX PHARMACEUTICALS INC | [VRTX](https://holderbook.com/stocks/VRTX/) | $2.1M | 4,232 | 0.2% | 10 |
| NOVO-NORDISK A S | [NVO](https://holderbook.com/stocks/NVO/) | $2.0M | 41,849 | 0.2% | 7 |
| COMMERCE BANCSHARES INC | [CBSH](https://holderbook.com/stocks/CBSH/) | $2.0M | 34,107 | 0.2% | 27 |
| FEDERAL RLTY INVT TR NEW | [FRT](https://holderbook.com/stocks/FRT/) | $1.9M | 15,624 | 0.2% | 18 |
| SALESFORCE INC | [CRM](https://holderbook.com/stocks/CRM/) | $1.8M | 11,649 | 0.2% | 4 |
| STATE STR SPDR S&P 500 ETF T | [SPY](https://holderbook.com/stocks/SPY/) | $1.7M | 2,285 | 0.2% | 22 |
| BERKSHIRE HATHAWAY INC DEL | [BRKB](https://holderbook.com/stocks/BRKB/) | $1.7M | 3,325 | 0.2% | 27 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $1.7M | 8,306 | 0.2% | 6 |
| TYLER TECHNOLOGIES INC | [TYL](https://holderbook.com/stocks/TYL/) | $1.6M | 5,547 | 0.2% | 3 |
| REPUBLIC SVCS INC | [RSG](https://holderbook.com/stocks/RSG/) | $1.6M | 7,530 | 0.2% | 10 |
| AON PLC | [AON](https://holderbook.com/stocks/AON/) | $1.6M | 4,798 | 0.2% | 25 |
| CONOCOPHILLIPS | [COP](https://holderbook.com/stocks/COP/) | $1.6M | 15,217 | 0.2% | 10 |
| MSCI INC | [MSCI](https://holderbook.com/stocks/MSCI/) | $1.6M | 2,819 | 0.2% | 2 |
| ISHARES TR | [IWF](https://holderbook.com/stocks/IWF/) | $1.6M | 12,501 | 0.2% | 12 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +2.0% | +14.8% | -12.8% | 100% |
| Q1 2026 | -2.2% | -4.6% | +2.4% | 100% |
| Q4 2025 | -0.5% | +2.4% | -2.9% | 100% |
| Q3 2025 | +1.6% | +7.8% | -6.2% | 100% |
| Q2 2025 | +1.3% | +10.5% | -9.1% | 100% |
| Q1 2025 | +1.1% | -4.6% | +5.6% | 100% |
| Q4 2024 | -3.9% | +2.1% | -6.0% | 100% |
| Q3 2024 | +10.0% | +5.4% | +4.5% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $856.7M | 166 |
| Q1 2026 | $834.9M | 170 |
| Q4 2025 | $846.9M | 170 |
| Q3 2025 | $850.6M | 172 |
| Q2 2025 | $832.4M | 170 |
| Q1 2025 | $785.4M | 163 |
| Q4 2024 | $767.4M | 160 |
| Q3 2024 | $794.6M | 156 |
| Q2 2024 | $723.8M | 157 |
| Q1 2024 | $736.5M | 157 |
| Q4 2023 | $687.9M | 136 |
| Q3 2023 | $618.2M | 135 |