Mattern Capital Management, LLC
In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 2, 2024), Mattern Capital Management, LLC reported 157 stock positions worth $723.8 million. Its top holding was Apple (AAPL) at 2.5% of the portfolio, followed by Microsoft (MSFT, 2.4%) and Costco Wholesale (COST, 1.9%). Compared with Q1 2024, it opened 1 new position, sold out of 1, added to 70 and reduced 56. The biggest buy was Broadcom (AVGO, shares +5%) and the biggest sale United Parcel Service Class B (UPS, shares −42%).
- Most Recent 13F
- Q2 2026
- Location
- LAKEWOOD, CO
- CIK
- 0001803227
- Portfolio Value
- $723.8M (Q2 2024)
- SEC Filing
- 0001725547-24-003710 ↗ filed Aug 2, 2024
Holdings Value
Holdings 157 stocks · $723.8M
| AAPL Apple Inc. | 2.50% | 85,964 | $18.1M | Reduce -1.3% |
| MSFT Microsoft Corp. | 2.38% | 38,541 | $17.2M | Reduce -0.6% |
| COST Costco Wholesale Corp. | 1.87% | 15,934 | $13.5M | Reduce -1.4% |
| PSX Phillips 66 | 1.74% | 89,244 | $12.6M | Reduce -1.1% |
| LOW Lowe's Cos Inc. | 1.62% | 53,048 | $11.7M | Add +0.1% |
| BRO Brown & Brown Inc. | 1.61% | 130,509 | $11.7M | Reduce -0.9% |
| ADI Analog Devices Inc. | 1.61% | 51,023 | $11.6M | Reduce -1.9% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 1.58% | 12,713 | $11.5M | Reduce -1.3% |
| WMT Walmart Inc. | 1.57% | 168,133 | $11.4M | Reduce -1.0% |
| COR Cencora Inc. | 1.54% | 49,605 | $11.2M | Reduce -0.8% |
| AFL Aflac Inc. | 1.53% | 123,833 | $11.1M | Reduce -1.3% |
| TSCO Tractor Supply Company | 1.47% | 39,515 | $10.7M | Reduce -1.4% |
| AMGN Amgen Inc. | 1.46% | 33,881 | $10.6M | Reduce -0.9% |
| GD General Dynamics Corp. | 1.42% | 35,533 | $10.3M | Reduce -1.5% |
| NEE Nextera Energy Inc. | 1.41% | 143,979 | $10.2M | Reduce -1.1% |
| XYL Xylem Inc. | 1.41% | 75,072 | $10.2M | Reduce -1.3% |
| LIN Linde PLC | 1.40% | 23,072 | $10.1M | Reduce -0.3% |
| TGT Target Corp. | 1.38% | 67,690 | $10.0M | Add +2.8% |
| CB Chubb Ltd. | 1.37% | 38,838 | $9.9M | Reduce -1.0% |
| TXN Texas Instruments Inc. | 1.37% | 50,889 | $9.9M | Reduce -0.8% |
| UNH Unitedhealth Group Inc. | 1.34% | 19,007 | $9.7M | Add +0.4% |
| SPGI S&P Global Inc. | 1.33% | 21,569 | $9.6M | Reduce -0.5% |
| CTAS Cintas Corp. | 1.30% | 13,486 | $9.4M | Reduce -1.0% |
| EMR Emerson Electric Co. | 1.27% | 83,597 | $9.2M | Reduce -0.7% |
| HD Home Depot Inc. | 1.27% | 26,740 | $9.2M | Add +0.3% |
| LMT Lockheed Martin Corp. | 1.27% | 19,675 | $9.2M | Reduce -0.4% |
| CL Colgate-Palmolive Co. | 1.25% | 93,025 | $9.0M | Reduce -0.8% |
| SYK Stryker Corp. | 1.23% | 26,184 | $8.9M | Reduce -0.4% |
| ECL Ecolab Inc. | 1.22% | 37,221 | $8.9M | Reduce -1.1% |
| BLK BlackRock Finance Inc. | 1.22% | 11,193 | $8.8M | Reduce -0.2% |
| LHX L3HARRIS Technologies Inc. | 1.21% | 39,110 | $8.8M | Reduce -0.6% |
| BR Broadridge Financial Solutio | 1.21% | 44,364 | $8.7M | Reduce -0.4% |
| SHW The Sherwin-Williams Co. | 1.20% | 29,010 | $8.7M | Add +0.2% |
| PG The Procter & Gamble Co. | 1.18% | 51,889 | $8.6M | Reduce -0.2% |
| ACN Accenture PLC Class A | 1.18% | 28,187 | $8.6M | Add +2.2% |
| APD Air Products & Chemicals Inc. | 1.17% | 32,875 | $8.5M | Reduce -0.1% |
| ADP Automatic Data Processing | 1.17% | 35,498 | $8.5M | Reduce -0.4% |
| HON Honeywell International Inc. | 1.16% | 39,394 | $8.4M | Reduce -0.3% |
| ICE Intercontinental Exchange Inc. | 1.16% | 61,313 | $8.4M | Reduce -0.5% |
| ZTS Zoetis Inc. | 1.16% | 48,252 | $8.4M | Add +1.0% |
| UNP Union Pacific Corp. | 1.15% | 36,731 | $8.3M | Add +0.7% |
| TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC | 1.14% | 71,744 | $8.3M | Reduce -0.5% |
| PEP Pepsico Inc. | 1.13% | 49,461 | $8.2M | Add +1.1% |
| SBUX Starbucks Corp. | 1.12% | 104,355 | $8.1M | Add +2.0% |
| AVGO Broadcom Inc. | 1.12% | 5,031 | $8.1M | Add +4.6% |
| CSCO Cisco Systems Inc. | 1.11% | 168,665 | $8.0M | Add +1.7% |
| CHD Church & Dwight Co. Inc. | 1.11% | 77,277 | $8.0M | Reduce -0.6% |
| PLD Prologis Inc. | 1.10% | 70,936 | $8.0M | Add +7.0% |
| ITW Illinois Tool Works | 1.10% | 33,559 | $8.0M | Add +0.5% |
| JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC | 1.10% | 47,767 | $7.9M | Add +0.2% |
| CBSH Commerce Bancshares Inc. | 1.09% | 141,989 | $7.9M | Reduce -0.7% |
| AWK American Water Works Co. Inc. | 1.08% | 60,296 | $7.8M | Add +0.1% |
| ATO Atmos Energy Corp. | 1.07% | 66,583 | $7.8M | Reduce -0.1% |
| MDT Medtronic PLC | 1.06% | 97,639 | $7.7M | Reduce -0.3% |
| PAYX Paychex Inc. | 1.06% | 64,561 | $7.7M | Reduce -0.0% |
| FDS Factset Research Systems Inc. | 1.06% | 18,713 | $7.6M | Add +1.9% |
| PPG PPG Industries Inc. | 1.04% | 59,717 | $7.5M | Add +1.5% |
| MCD McDonald's Corp. | 1.03% | 29,319 | $7.5M | Add +2.5% |
| CMCSA Comcast Corp. Class A | 1.03% | 189,663 | $7.4M | Add +1.7% |
| NJR New Jersey Resources Corp. | 1.02% | 172,716 | $7.4M | Reduce -0.4% |
| CMS CMS Energy Corp. | 1.01% | 123,349 | $7.3M | Reduce -0.1% |
| FRT Federal Realty Invs Trust | 1.01% | 72,575 | $7.3M | Reduce -0.2% |
| ABT Abbott Laboratories | 1.01% | 70,429 | $7.3M | Add +1.6% |
| MDLZ Mondelez International Inc. Class A | 1.01% | 111,195 | $7.3M | Add +0.2% |
| WEC WEC Energy Group Inc. | 0.99% | 91,650 | $7.2M | Add +0.7% |
| JNJ Johnson & Johnson | 0.99% | 48,797 | $7.1M | Add +1.3% |
| MKC McCormick & Co.-Non VTG SHRS | 0.98% | 99,624 | $7.1M | Add +0.7% |
| BDX Becton Dickinson and Co. | 0.97% | 30,167 | $7.1M | Add +0.7% |
| O Realty Income Corp. | 0.95% | 129,970 | $6.9M | Add +0.3% |
| NKE Nike Inc. Class B | 0.88% | 84,833 | $6.4M | Add +0.5% |
| V Visa Inc. Class A | 0.88% | 24,210 | $6.4M | Add +8.3% |
| PH Parker Hannifin Corp. | 0.84% | 11,975 | $6.1M | Add +8.3% |
| BF.B Brown-Forman Corp. Class B | 0.80% | 133,609 | $5.8M | Add +6.6% |
| VOO Vanguard S&P 500 ETF | 0.72% | 10,471 | $5.2M | No change |
| UPS United Parcel Service Class B | 0.70% | 36,984 | $5.1M | Reduce -41.7% |
| SUB iShares Short-Term National | 0.50% | 34,446 | $3.6M | Reduce -2.9% |
| VNLA Janus Henderson Short Durati | 0.38% | 56,375 | $2.7M | Add +0.6% |
| QQQ Invesco QQQ Trust Series 1 | 0.34% | 5,103 | $2.4M | No change |
| DECK Deckers Outdoor Corp. | 0.33% | 2,499 | $2.4M | Add +1.7% |
| AMZN Amazon.com Inc. | 0.28% | 10,436 | $2.0M | Add +0.4% |
| QUAL iShares MSCI USA Quality Fac | 0.26% | 11,192 | $1.9M | Reduce -4.5% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.22% | 2,951 | $1.6M | No change |
| IWF iShares Russell 1000 Growth | 0.22% | 4,328 | $1.6M | No change |
| IWD iShares Russell 1000 Value E | 0.21% | 8,871 | $1.5M | No change |
| NEAR iShares SH Dba ETF Usd Inc. | 0.19% | 26,616 | $1.3M | Add +0.8% |
| QCOM Qualcomm Inc. | 0.18% | 6,491 | $1.3M | No change |
| TSLA Tesla Inc. | 0.16% | 5,919 | $1.2M | Add +13.9% |
| VTI VG Morningstar TS MKT ETF-US | 0.15% | 4,179 | $1.1M | No change |
| GOOG Alphabet Inc. Class C | 0.13% | 5,226 | $959K | Add +12.0% |
| AVLV Avantis US Large Cap Value | 0.13% | 14,821 | $931K | Reduce -5.6% |
| VEA Vanguard Ftse Developed ETF | 0.12% | 17,350 | $857K | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 0.12% | 2,085 | $848K | Add +10.8% |
| NFLX Netflix Inc. | 0.11% | 1,145 | $773K | Reduce -7.5% |
| CVX Chevron Corp. | 0.10% | 4,837 | $757K | Add +19.5% |
| COP Conocophillips | 0.10% | 6,586 | $753K | Add +29.8% |
| TSM Taiwan Semiconductor-SP ADR | 0.10% | 4,295 | $747K | Add +24.2% |
| VRTX Vertex Pharmaceuticals Inc. | 0.10% | 1,587 | $744K | Add +22.2% |
| AON Aon PLC Class A | 0.10% | 2,478 | $727K | Add +15.7% |
| META Meta Platforms Inc. Class A | 0.10% | 1,438 | $725K | Add +15.4% |
| IVW iShares S&P 500 Growth ETF | 0.10% | 7,617 | $705K | Reduce -6.6% |
Portfolio Sells Q1 2024 → Q2 2024
| UPS United Parcel Service Class B | Reduce -41.7% | 0.70% | −0.58 |
| PSX Phillips 66 | Reduce -1.1% | 1.74% | −0.26 |
| GWW WW Grainger Inc. | Reduce -1.3% | 1.58% | −0.19 |
| COR Cencora Inc. | Reduce -0.8% | 1.54% | −0.11 |
| MDT Medtronic PLC | Reduce -0.3% | 1.06% | −0.10 |
| LIN Linde PLC | Reduce -0.3% | 1.40% | −0.06 |
| BLK BlackRock Finance Inc. | Reduce -0.2% | 1.22% | −0.05 |
| TROW T Rowe Price Group Inc. | Reduce -0.5% | 1.14% | −0.05 |
| SYK Stryker Corp. | Reduce -0.4% | 1.23% | −0.05 |
| ADP Automatic Data Processing | Reduce -0.4% | 1.17% | −0.04 |
| BR Broadridge Financial Solutio | Reduce -0.4% | 1.21% | −0.03 |
| ERF Enerplus Corp. | Sold out | 0.00% | −0.03 |
| EMR Emerson Electric Co. | Reduce -0.7% | 1.27% | −0.02 |
| RTX RTX Corp. | Reduce -33.5% | 0.05% | −0.02 |
| SHV iShares 0-1 Year Treasury Bo | Reduce -39.1% | 0.03% | −0.02 |
| PAYX Paychex Inc. | Reduce -0.0% | 1.06% | −0.02 |
| CB Chubb Ltd. | Reduce -1.0% | 1.37% | −0.01 |
| AVLV Avantis US Large Cap Value | Reduce -5.6% | 0.13% | −0.01 |
| SUB iShares Short-Term National | Reduce -2.9% | 0.50% | −0.01 |
| VLUE iShares MSCI USA Value Facto | Reduce -5.0% | 0.05% | −0.00 |
| ATO Atmos Energy Corp. | Reduce -0.1% | 1.07% | −0.00 |
| IJH iShares Core S&P Midcap ETF | Reduce -2.4% | 0.04% | −0.00 |
| AVUV Avantis US Small Cap Value | Reduce -1.7% | 0.04% | −0.00 |
| SHYM iShares Short Duration High | Reduce -5.7% | 0.03% | −0.00 |
| VTEB Vanguard Tax-Exempt Bond ETF | Reduce -0.6% | 0.06% | +0.00 |
| SHY iShares 1-3 Year Treasury Bo | Reduce -0.3% | 0.09% | +0.00 |
| QUAL iShares MSCI USA Quality Fac | Reduce -4.5% | 0.26% | +0.00 |
| CMS CMS Energy Corp. | Reduce -0.1% | 1.01% | +0.00 |
| IVW iShares S&P 500 Growth ETF | Reduce -6.6% | 0.10% | +0.00 |
| FRT Federal Realty Invs Trust | Reduce -0.2% | 1.01% | +0.00 |
| NFLX Netflix Inc. | Reduce -7.5% | 0.11% | +0.00 |
| CHD Church & Dwight Co. Inc. | Reduce -0.6% | 1.11% | +0.01 |
| ICE Intercontinental Exchange Inc. | Reduce -0.5% | 1.16% | +0.01 |
| NJR New Jersey Resources Corp. | Reduce -0.4% | 1.02% | +0.01 |
| CTAS Cintas Corp. | Reduce -1.0% | 1.30% | +0.03 |
| PG The Procter & Gamble Co. | Reduce -0.2% | 1.18% | +0.04 |
| GD General Dynamics Corp. | Reduce -1.5% | 1.42% | +0.04 |
| ECL Ecolab Inc. | Reduce -1.1% | 1.22% | +0.04 |
| BRO Brown & Brown Inc. | Reduce -0.9% | 1.61% | +0.05 |
| TSCO Tractor Supply Company | Reduce -1.4% | 1.47% | +0.05 |
| LMT Lockheed Martin Corp. | Reduce -0.4% | 1.27% | +0.05 |
| HON Honeywell International Inc. | Reduce -0.3% | 1.16% | +0.06 |
| CBSH Commerce Bancshares Inc. | Reduce -0.7% | 1.09% | +0.06 |
| AFL Aflac Inc. | Reduce -1.3% | 1.53% | +0.06 |
| XYL Xylem Inc. | Reduce -1.3% | 1.41% | +0.07 |
| LHX L3HARRIS Technologies Inc. | Reduce -0.6% | 1.21% | +0.07 |
| SPGI S&P Global Inc. | Reduce -0.5% | 1.33% | +0.08 |
| APD Air Products & Chemicals Inc. | Reduce -0.1% | 1.17% | +0.09 |
| CL Colgate-Palmolive Co. | Reduce -0.8% | 1.25% | +0.10 |
| AMGN Amgen Inc. | Reduce -0.9% | 1.46% | +0.14 |
Portfolio Buys Q1 2024 → Q2 2024
| AVGO Broadcom Inc. | Add +4.6% | 1.12% | +0.25 |
| AWK American Water Works Co. Inc. | Add +0.1% | 1.08% | +0.08 |
| UNH Unitedhealth Group Inc. | Add +0.4% | 1.34% | +0.07 |
| ZTS Zoetis Inc. | Add +1.0% | 1.16% | +0.06 |
| TSM Taiwan Semiconductor-SP ADR | Add +24.2% | 0.10% | +0.04 |
| TSLA Tesla Inc. | Add +13.9% | 0.16% | +0.04 |
| GOOG Alphabet Inc. Class C | Add +12.0% | 0.13% | +0.04 |
| ADBE Adobe Inc. | Add +38.7% | 0.09% | +0.03 |
| V Visa Inc. Class A | Add +8.3% | 0.88% | +0.03 |
| WES Western Midstream Partners L | New | 0.03% | +0.03 |
| VRTX Vertex Pharmaceuticals Inc. | Add +22.2% | 0.10% | +0.03 |
| AMZN Amazon.com Inc. | Add +0.4% | 0.28% | +0.02 |
| DECK Deckers Outdoor Corp. | Add +1.7% | 0.33% | +0.02 |
| META Meta Platforms Inc. Class A | Add +15.4% | 0.10% | +0.02 |
| CVX Chevron Corp. | Add +19.5% | 0.10% | +0.02 |
| INTU Intuit Inc. | Add +29.0% | 0.07% | +0.02 |
| JPM JPMorgan Chase & Co. | Add +20.9% | 0.09% | +0.02 |
| COP Conocophillips | Add +29.8% | 0.10% | +0.02 |
| WM Waste Management Inc. | Add +33.5% | 0.06% | +0.02 |
| WSO Watsco Inc. | Add +22.6% | 0.06% | +0.02 |
| RSG Republic Services Inc. | Add +31.6% | 0.06% | +0.02 |
| MA Mastercard Inc. Class A | Add +41.9% | 0.06% | +0.02 |
| AXP American Express Co. | Add +39.5% | 0.05% | +0.01 |
| MRSH Marsh & McLennan Cos | Add +26.5% | 0.06% | +0.01 |
| AZO AutoZone Inc. | Add +43.0% | 0.05% | +0.01 |
| MCO Moody's Corp. | Add +24.2% | 0.05% | +0.01 |
| DG Dollar General Corp. | Add +36.7% | 0.07% | +0.01 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +10.8% | 0.12% | +0.01 |
| DLTR Dollar Tree Inc. | Add +45.7% | 0.06% | +0.01 |
| VNLA Janus Henderson Short Durati | Add +0.6% | 0.38% | +0.01 |
| ORLY O'reilly Automotive Inc. | Add +35.5% | 0.04% | +0.01 |
| BAX Baxter International Inc. | Add +41.8% | 0.07% | +0.01 |
| CSGP Costar Group Inc. | Add +39.8% | 0.06% | +0.01 |
| ULTA Ulta Beauty Inc. | Add +47.5% | 0.05% | +0.01 |
| PWZ Invesco California Amt-Free | Add +4.4% | 0.08% | +0.00 |
| CMF iShares California Muni Bond | Add +4.4% | 0.09% | +0.00 |
| NEAR iShares SH Dba ETF Usd Inc. | Add +0.8% | 0.19% | +0.00 |
| AON Aon PLC Class A | Add +15.7% | 0.10% | +0.00 |
| PH Parker Hannifin Corp. | Add +8.3% | 0.84% | +0.00 |
| LSST Natixis Loomis Sayles SHRT D | Add +1.4% | 0.08% | +0.00 |
| IBTG iShares Ibonds Dec 2026 Term | Add +4.0% | 0.04% | +0.00 |
| IBDR iShares Ibonds Dec 2026 Term | Add +3.6% | 0.04% | +0.00 |
| IBDQ iShares Ibonds Dec 2025 Term | Add +1.8% | 0.03% | +0.00 |
| IBTF iShares Ibonds Dec 2025 Term | Add +1.8% | 0.03% | +0.00 |
| AAP Advance Auto Parts Inc. | Add +35.5% | 0.04% | +0.00 |
| INMU iShares Intermediate Muni Inc. | Add +0.8% | 0.06% | +0.00 |
| O Realty Income Corp. | Add +0.3% | 0.95% | −0.00 |
| CSCO Cisco Systems Inc. | Add +1.7% | 1.11% | −0.02 |
| WEC WEC Energy Group Inc. | Add +0.7% | 0.99% | −0.02 |
| JKHY Jack Henry & Associates Inc. | Add +0.2% | 1.10% | −0.03 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 166 | $856.7M | AAPL, GWW, MSFT, UNH, COST |
| Q1 2026 | 170 | $834.9M | AAPL, PSX, MSFT, COST, COR |
| Q4 2025 | 170 | $846.9M | AAPL, MSFT, WMT, COR, AVGO |
| Q3 2025 | 172 | $850.6M | AAPL, MSFT, WMT, COR, LOW |
| Q2 2025 | 170 | $832.4M | MSFT, AAPL, WMT, COR, COST |
| Q1 2025 | 163 | $785.4M | AAPL, BRO, MSFT, COST, COR |
| Q4 2024 | 160 | $767.4M | AAPL, MSFT, COST, WMT, GWW |
| Q3 2024 | 156 | $794.6M | AAPL, MSFT, LOW, COST, AFL |
| Q2 2024 | 157 | $723.8M | AAPL, MSFT, COST, PSX, LOW |
| Q1 2024 | 157 | $736.5M | MSFT, AAPL, PSX, LOW, GWW |