Mattern Capital Management, LLC
- SEC CIK
- 0001803227
- Latest filing
- Jul 24, 2026
Holdings in Q2 2026
Holdings as of Jun 30, 2026, filed Jul 24, 2026. Long positions only; changes compare share counts with Q1 2026.
- Positions
- 166
- −4 vs. Q1 2026
- Portfolio value
- $856.7M
- +$21.9M (+2.6%) vs. Q1 2026
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| AAPLApple Inc. | Stock | 76,362 | $22.1M | 2.6% | −1,238−1.6% | Reduced | History |
| GWWW.W. Grainger, Inc. | Stock | 11,817 | $16.1M | 1.9% | −191−1.6% | Reduced | History |
| MSFTMicrosoft Corp | Stock | 41,086 | $15.3M | 1.8% | −258−0.6% | Reduced | History |
| UNHUnitedHealth Group Inc | Stock | 35,240 | $14.6M | 1.7% | −3,545−9.1% | Reduced | History |
| COSTCostco Wholesale Corp | Stock | 14,372 | $13.4M | 1.6% | −43−0.3% | Reduced | History |
| AVGOBroadcom Inc. | Stock | 35,199 | $13.3M | 1.6% | −2,022−5.4% | Reduced | History |
| CORCencora, Inc. | Stock | 46,831 | $13.3M | 1.5% | +4,836+11.5% | Added | History |
| AFLAflac Inc | Stock | 110,309 | $12.9M | 1.5% | −316−0.3% | Reduced | History |
| CSCOCisco Systems, Inc. | Stock | 106,058 | $12.5M | 1.5% | +5,408+5.4% | Added | History |
| LINLinde PLC | Stock | 23,750 | $12.3M | 1.4% | −329−1.4% | Reduced | History |
| CBChubb Ltd | Stock | 35,965 | $12.3M | 1.4% | −156−0.4% | Reduced | History |
| LLYEli Lilly & Co | Stock | 10,188 | $12.2M | 1.4% | +591+6.2% | Added | History |
| WECWec Energy Group, Inc. | Stock | 103,889 | $12.1M | 1.4% | −6,059−5.5% | Reduced | History |
| LOWLowes Companies Inc | Stock | 54,910 | $12.1M | 1.4% | +2,904+5.6% | Added | History |
| GDGeneral Dynamics Corp | Stock | 33,512 | $11.9M | 1.4% | +542+1.6% | Added | History |
| TXNTexas Instruments Inc | Stock | 39,548 | $11.8M | 1.4% | −876−2.2% | Reduced | History |
| NEENextera Energy Inc | Stock | 131,600 | $11.6M | 1.3% | −2,338−1.7% | Reduced | History |
| CMSCMS Energy Corp | COM | 150,896 | $11.5M | 1.3% | −8,764−5.5% | Reduced | History |
| ADPAutomatic Data Processing Inc | Stock | 50,215 | $11.2M | 1.3% | +830+1.7% | Added | History |
| AWKAmerican Water Works Company, Inc. | Stock | 84,940 | $11.2M | 1.3% | −2,662−3.0% | Reduced | History |
| TTTrane Technologies plc | SHS | 22,695 | $11.1M | 1.3% | −940−4.0% | Reduced | History |
| APHAmphenol Corp | CL A | 62,586 | $11.0M | 1.3% | +9,706+18.4% | Added | History |
| BROBrown & Brown, Inc. | Stock | 169,855 | $10.9M | 1.3% | +27,160+19.0% | Added | History |
| SHWSherwin Williams Co | COM | 31,373 | $10.8M | 1.3% | +2,106+7.2% | Added | History |
| FDSFactset Research Systems Inc | Stock | 46,828 | $10.8M | 1.3% | +120+0.3% | Added | History |
| LHXL3HARRIS Technologies, Inc. | Stock | 36,645 | $10.6M | 1.2% | +1,904+5.5% | Added | History |
| HDHome Depot, Inc. | Stock | 30,013 | $10.6M | 1.2% | +2,751+10.1% | Added | History |
| WMTWalmart Inc. | Stock | 93,445 | $10.6M | 1.2% | +5,228+5.9% | Added | History |
| PAYXPaychex Inc | Stock | 107,571 | $10.6M | 1.2% | +273+0.3% | Added | History |
| ADIAnalog Devices Inc | Stock | 26,398 | $10.5M | 1.2% | −126−0.5% | Reduced | History |
| JPMJPMorgan Chase & Co | Stock | 31,711 | $10.4M | 1.2% | +26,516+510.4% | Added | History |
| ECLEcolab Inc. | Stock | 36,966 | $10.3M | 1.2% | +1,449+4.1% | Added | History |
| MSIMotorola Solutions, Inc. | Stock | 24,690 | $10.3M | 1.2% | +134+0.5% | Added | History |
| ATOAtmos Energy Corp | COM | 59,371 | $10.2M | 1.2% | −335−0.6% | Reduced | History |
| BLKBlackRock, Inc. | Stock | 10,621 | $10.2M | 1.2% | +234+2.3% | Added | History |
| AMGNAmgen Inc | Stock | 28,008 | $10.1M | 1.2% | +4,118+17.2% | Added | History |
| JNJJohnson & Johnson | Stock | 39,870 | $10.1M | 1.2% | +4,526+12.8% | Added | History |
| VVisa Inc. | Stock | 29,508 | $10.1M | 1.2% | +2,548+9.5% | Added | History |
| PHParker-Hannifin Corp | Stock | 10,138 | $9.92M | 1.2% | +1,053+11.6% | Added | History |
| ABTAbbott Laboratories | Stock | 109,046 | $9.89M | 1.2% | +3,158+3.0% | Added | History |
| ITWIllinois Tool Works Inc | Stock | 36,515 | $9.88M | 1.2% | +1,060+3.0% | Added | History |
| XYLXylem Inc. | COM | 83,398 | $9.86M | 1.2% | +7,689+10.2% | Added | History |
| WMWaste Management Inc | Stock | 44,162 | $9.84M | 1.1% | +1,801+4.3% | Added | History |
| SPGIS&P Global Inc. | Stock | 24,125 | $9.83M | 1.1% | +2,286+10.5% | Added | History |
| ROPRoper Technologies Inc | Stock | 29,027 | $9.82M | 1.1% | −27−0.1% | Reduced | History |
| NJRNew Jersey Resources Corp | Stock | 174,671 | $9.79M | 1.1% | −5,345−3.0% | Reduced | History |
| SYKStryker Corp | Stock | 31,079 | $9.78M | 1.1% | +4,429+16.6% | Added | History |
| PLDPrologis, Inc. | REIT | 71,369 | $9.67M | 1.1% | −1,106−1.5% | Reduced | History |
| CLColgate Palmolive Co | Stock | 104,479 | $9.58M | 1.1% | +227+0.2% | Added | History |
| CTASCintas Corp | Stock | 55,902 | $9.51M | 1.1% | +4,174+8.1% | Added | History |
| BRBroadridge Financial Solutions, Inc. | Stock | 66,397 | $9.09M | 1.1% | +3,754+6.0% | Added | History |
| CHDChurch & Dwight Co Inc | COM | 92,883 | $9.00M | 1.1% | +1,470+1.6% | Added | History |
| TSCOTractor Supply Co | COM | 284,547 | $8.99M | 1.0% | +86,868+43.9% | Added | History |
| PGProcter & Gamble Co | Stock | 61,179 | $8.97M | 1.0% | +3,235+5.6% | Added | History |
| MDTMedtronic plc | Stock | 114,041 | $8.92M | 1.0% | +13,777+13.7% | Added | History |
| WRBBerkley W R Corp | COM | 126,077 | $8.89M | 1.0% | +13,205+11.7% | Added | History |
| MAMastercard Inc | Stock | 16,976 | $8.72M | 1.0% | +1,016+6.4% | Added | History |
| MCDMcDonalds Corp | Stock | 31,907 | $8.62M | 1.0% | +2,053+6.9% | Added | History |
| CEGConstellation Energy Corp | Stock | 34,378 | $8.54M | 1.0% | −2,729−7.4% | Reduced | History |
| BDXBecton Dickinson & Co | Stock | 55,723 | $8.43M | 1.0% | +14,050+33.7% | Added | History |
| JKHYJack Henry & Associates Inc | Stock | 61,106 | $8.42M | 1.0% | +9,000+17.3% | Added | History |
| MDLZMondelez International, Inc. | Stock | 142,795 | $8.26M | 1.0% | +1,917+1.4% | Added | History |
| PEPPepsiCo Inc | Stock | 60,531 | $8.20M | 1.0% | +1,547+2.6% | Added | History |
| NKENIKE, Inc. | Stock | 193,333 | $7.94M | 0.9% | +58,208+43.1% | Added | History |
| ICEIntercontinental Exchange, Inc. | Stock | 61,537 | $7.58M | 0.9% | +3,215+5.5% | Added | History |
| Vanguard S&P 500 ETF922908363 | ETF | 10,470 | $7.19M | 0.8% | 00.0% | Unchanged | – |
| ZTSZoetis Inc. | Stock | 99,018 | $7.12M | 0.8% | +29,761+43.0% | Added | History |
| ACNAccenture plc | Stock | 54,367 | $6.77M | 0.8% | +6,325+13.2% | Added | History |
| INTUIntuit Inc. | Stock | 25,820 | $6.74M | 0.8% | +2,669+11.5% | Added | History |
| PSXPhillips 66 | Stock | 36,899 | $6.24M | 0.7% | −51,700−58.4% | Reduced | History |
| American Centy ETF Tr025072562 | AVANTIS CORE FI | 145,608 | $6.03M | 0.7% | −471−0.3% | Reduced | – |
| J P Morgan Exchange Traded F46654Q716 | ACTIVE BOND ETF | 107,955 | $5.78M | 0.7% | −385−0.4% | Reduced | – |
| American Centy ETF Tr025072349 | US LARGE CAP VLU | 45,054 | $4.11M | 0.5% | +14,133+45.7% | Added | – |
| Invesco QQQ Trust Series I46090E103 | ETF | 5,431 | $4.00M | 0.5% | 00.0% | Unchanged | – |
| WisdomTree Tr97717Y527 | FLOATNG RAT TREA | 72,483 | $3.65M | 0.4% | +3,770+5.5% | Added | – |
| AMZNAmazon Com Inc | Stock | 15,081 | $3.59M | 0.4% | +246+1.7% | Added | History |
| DIASPDR Dow Jones Industrial Average ETF Trust | UT SER 1 | 6,297 | $3.29M | 0.4% | 00.0% | Unchanged | History |
| Dimensional ETF Trust25434V831 | US HIGH PROF ETF | 76,310 | $3.18M | 0.4% | +26,724+53.9% | Added | – |
| Vanguard Mun BD FDS922907746 | TAX EXEMPT BD | 59,478 | $3.01M | 0.4% | +13,758+30.1% | Added | – |
| iShares Tr46434V860 | TRS FLT RT BD | 55,463 | $2.81M | 0.3% | +3,051+5.8% | Added | – |
| Janus Detroit STR Tr47103U886 | HENDRSN SHRT ETF | 55,881 | $2.73M | 0.3% | −1,880−3.3% | Reduced | – |
| GOOGAlphabet Inc. | Stock | 7,524 | $2.66M | 0.3% | +295+4.1% | Added | History |
| iShares Russell 1000 Value ETF464287598 | ETF | 10,246 | $2.48M | 0.3% | 00.0% | Unchanged | – |
| TSMTaiwan Semiconductor Manufacturing Co Ltd | ADR | 5,057 | $2.42M | 0.3% | −510−9.2% | Reduced | History |
| ASMLASML Holding NV | ADR | 1,194 | $2.38M | 0.3% | +26+2.2% | Added | History |
| NFLXNetflix Inc | Stock | 29,936 | $2.14M | 0.2% | +2,153+7.7% | Added | History |
| VRTXVertex Pharmaceuticals Inc | Stock | 4,232 | $2.10M | 0.2% | +355+9.2% | Added | History |
| NVONovo Nordisk A S | ADR | 41,849 | $2.01M | 0.2% | −4,475−9.7% | Reduced | History |
| CBSHCommerce Bancshares Inc | Stock | 34,107 | $1.97M | 0.2% | −128,134−79.0% | Reduced | History |
| FRTFederal Realty Investment Trust | SH BEN INT NEW | 15,624 | $1.93M | 0.2% | −38,737−71.3% | Reduced | History |
| CRMSalesforce, Inc. | Stock | 11,649 | $1.82M | 0.2% | +722+6.6% | Added | History |
| SPYSPDR S&P 500 ETF Trust | ETF | 2,285 | $1.71M | 0.2% | +54+2.4% | Added | History |
| BRK.BBerkshire Hathaway Inc | Stock | 3,325 | $1.66M | 0.2% | +333+11.1% | Added | History |
| NVDANVIDIA Corp | Stock | 8,306 | $1.66M | 0.2% | +560+7.2% | Added | History |
| TYLTyler Technologies Inc | COM | 5,547 | $1.62M | 0.2% | +587+11.8% | Added | History |
| RSGRepublic Services, Inc. | COM | 7,530 | $1.60M | 0.2% | +1,937+34.6% | Added | History |
| AONAon plc | CL A | 4,798 | $1.59M | 0.2% | +682+16.6% | Added | History |
| COPConocoPhillips | Stock | 15,217 | $1.58M | 0.2% | −1,976−11.5% | Reduced | History |
| MSCIMSCI Inc. | Stock | 2,819 | $1.58M | 0.2% | +55+2.0% | Added | History |
| iShares Russell 1000 Growth ETF464287614 | ETF | 12,501 | $1.55M | 0.2% | 00.0% | UnchangedConverted for a 4-for-1 split | – |
Sold out since Q1 2026 (7)
Positions held at the end of Q1 2026 that are gone from this filing.
| Security | Class | Shares in Q1 2026 | Value in Q1 2026 | % of portfolio in Q1 2026 | History |
|---|---|---|---|---|---|
| MKCMcCormick & Co Inc | Stock | 123,731 | $6.24M | 0.7% | History |
| HONHoneywell International Inc | COM | 2,004 | $453.0K | 0.1% | History |
| iShares Tr464287457 | 1 3 YR TREAS BD | 2,960 | $244.4K | <0.1% | – |
| Vanguard Morningstar Small-Cap ETF922908751 | ETF | 926 | $242.5K | <0.1% | – |
| iShares Core Dividend Growth ETF46434V621 | ETF | 3,320 | $233.0K | <0.1% | – |
| EMREmerson Electric Co | Stock | 1,555 | $203.8K | <0.1% | History |
| TGTTarget Corp | Stock | 1,681 | $203.8K | <0.1% | History |