Mattern Capital Management, LLC
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 24, 2024), Mattern Capital Management, LLC reported 156 stock positions worth $794.6 million. Its top holding was Apple (AAPL) at 2.5% of the portfolio, followed by Microsoft (MSFT, 2.1%) and Lowe's Cos (LOW, 1.8%). Compared with Q2 2024, it opened 6 new positions, sold out of 7, added to 76 and reduced 50. The biggest buy was a new position in Avantis Core Fixed Income (AVIG) and the biggest sale iShares Short-Term National (SUB, shares −83%).
- Most Recent 13F
- Q2 2026
- Location
- LAKEWOOD, CO
- CIK
- 0001803227
- Portfolio Value
- $794.6M (Q3 2024)
- SEC Filing
- 0001725547-24-005983 ↗ filed Oct 24, 2024
Holdings Value
Holdings 156 stocks · $794.6M
| AAPL Apple Inc. | 2.51% | 85,552 | $19.9M | Reduce -0.5% |
| MSFT Microsoft Corp. | 2.09% | 38,595 | $16.6M | Add +0.1% |
| LOW Lowe's Cos Inc. | 1.80% | 52,953 | $14.3M | Reduce -0.2% |
| COST Costco Wholesale Corp. | 1.76% | 15,771 | $14.0M | Reduce -1.0% |
| AFL Aflac Inc. | 1.71% | 121,655 | $13.6M | Reduce -1.8% |
| BRO Brown & Brown Inc. | 1.69% | 129,406 | $13.4M | Reduce -0.8% |
| WMT Walmart Inc. | 1.68% | 165,606 | $13.4M | Reduce -1.5% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 1.65% | 12,624 | $13.1M | Reduce -0.7% |
| NEE Nextera Energy Inc. | 1.52% | 142,442 | $12.0M | Reduce -1.1% |
| PSX Phillips 66 | 1.47% | 88,866 | $11.7M | Reduce -0.4% |
| ADI Analog Devices Inc. | 1.46% | 50,561 | $11.6M | Reduce -0.9% |
| LMT Lockheed Martin Corp. | 1.43% | 19,489 | $11.4M | Reduce -0.9% |
| TSCO Tractor Supply Company | 1.43% | 39,078 | $11.4M | Reduce -1.1% |
| COR Cencora Inc. | 1.40% | 49,351 | $11.1M | Reduce -0.5% |
| CB Chubb Ltd. | 1.40% | 38,455 | $11.1M | Reduce -1.0% |
| UNH Unitedhealth Group Inc. | 1.39% | 18,942 | $11.1M | Reduce -0.3% |
| SPGI S&P Global Inc. | 1.39% | 21,394 | $11.1M | Reduce -0.8% |
| SHW The Sherwin-Williams Co. | 1.39% | 28,907 | $11.0M | Reduce -0.4% |
| LIN Linde PLC | 1.38% | 23,037 | $11.0M | Reduce -0.1% |
| CTAS Cintas Corp. | 1.38% | 53,134 | $10.9M | Reduce -1.5% |
| HD Home Depot Inc. | 1.37% | 26,777 | $10.9M | Add +0.1% |
| AMGN Amgen Inc. | 1.36% | 33,585 | $10.8M | Reduce -0.9% |
| GD General Dynamics Corp. | 1.35% | 35,373 | $10.7M | Reduce -0.5% |
| BLK BlackRock Finance Inc. | 1.33% | 11,141 | $10.6M | Reduce -0.5% |
| TGT Target Corp. | 1.33% | 67,856 | $10.6M | Add +0.3% |
| TXN Texas Instruments Inc. | 1.31% | 50,525 | $10.4M | Reduce -0.7% |
| SBUX Starbucks Corp. | 1.30% | 105,847 | $10.3M | Add +1.4% |
| XYL Xylem Inc. | 1.27% | 74,898 | $10.1M | Reduce -0.2% |
| ACN Accenture PLC Class A | 1.25% | 28,036 | $9.9M | Reduce -0.5% |
| APD Air Products & Chemicals Inc. | 1.24% | 33,037 | $9.8M | Add +0.5% |
| ADP Automatic Data Processing | 1.23% | 35,352 | $9.8M | Reduce -0.4% |
| ICE Intercontinental Exchange Inc. | 1.23% | 60,645 | $9.7M | Reduce -1.1% |
| CL Colgate-Palmolive Co. | 1.20% | 92,163 | $9.6M | Reduce -0.9% |
| BR Broadridge Financial Solutio | 1.20% | 44,221 | $9.5M | Reduce -0.3% |
| ECL Ecolab Inc. | 1.19% | 37,010 | $9.4M | Reduce -0.6% |
| SYK Stryker Corp. | 1.19% | 26,107 | $9.4M | Reduce -0.3% |
| ZTS Zoetis Inc. | 1.19% | 48,267 | $9.4M | Add +0.0% |
| LHX L3HARRIS Technologies Inc. | 1.17% | 39,064 | $9.3M | Reduce -0.1% |
| ATO Atmos Energy Corp. | 1.16% | 66,411 | $9.2M | Reduce -0.3% |
| EMR Emerson Electric Co. | 1.15% | 83,432 | $9.1M | Reduce -0.2% |
| UNP Union Pacific Corp. | 1.14% | 36,855 | $9.1M | Add +0.3% |
| CSCO Cisco Systems Inc. | 1.14% | 169,711 | $9.0M | Add +0.6% |
| PLD Prologis Inc. | 1.13% | 71,291 | $9.0M | Add +0.5% |
| MCD McDonald's Corp. | 1.13% | 29,531 | $9.0M | Add +0.7% |
| PG The Procter & Gamble Co. | 1.13% | 51,915 | $9.0M | Add +0.1% |
| WEC WEC Energy Group Inc. | 1.11% | 91,780 | $8.8M | Add +0.1% |
| MDT Medtronic PLC | 1.11% | 97,978 | $8.8M | Add +0.3% |
| AWK American Water Works Co. Inc. | 1.11% | 60,257 | $8.8M | Reduce -0.1% |
| ITW Illinois Tool Works | 1.11% | 33,601 | $8.8M | Add +0.1% |
| AVGO Broadcom Inc. | 1.10% | 50,600 | $8.7M | Add +0.6% |
| CMS CMS Energy Corp. | 1.10% | 123,472 | $8.7M | Add +0.1% |
| PAYX Paychex Inc. | 1.09% | 64,663 | $8.7M | Add +0.2% |
| FDS Factset Research Systems Inc. | 1.09% | 18,824 | $8.7M | Add +0.6% |
| PEP Pepsico Inc. | 1.07% | 49,941 | $8.5M | Add +1.0% |
| JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC | 1.07% | 48,081 | $8.5M | Add +0.7% |
| CBSH Commerce Bancshares Inc. | 1.05% | 140,902 | $8.4M | Reduce -0.8% |
| FRT Federal Realty Invs Trust | 1.05% | 72,503 | $8.3M | Reduce -0.1% |
| O Realty Income Corp. | 1.04% | 130,088 | $8.3M | Add +0.1% |
| MDLZ Mondelez International Inc. Class A | 1.03% | 111,396 | $8.2M | Add +0.2% |
| MKC McCormick & Co.-Non VTG SHRS | 1.03% | 99,570 | $8.2M | Reduce -0.1% |
| HON Honeywell International Inc. | 1.03% | 39,498 | $8.2M | Add +0.3% |
| NJR New Jersey Resources Corp. | 1.03% | 172,778 | $8.2M | Add +0.0% |
| CHD Church & Dwight Co. Inc. | 1.02% | 77,628 | $8.1M | Add +0.5% |
| CMCSA Comcast Corp. Class A | 1.02% | 193,546 | $8.1M | Add +2.0% |
| ABT Abbott Laboratories | 1.01% | 70,608 | $8.1M | Add +0.3% |
| NKE Nike Inc. Class B | 1.01% | 90,992 | $8.0M | Add +7.3% |
| PPG PPG Industries Inc. | 1.01% | 60,667 | $8.0M | Add +1.6% |
| JNJ Johnson & Johnson | 1.00% | 49,064 | $8.0M | Add +0.6% |
| TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC | 0.99% | 72,375 | $7.9M | Add +0.9% |
| PH Parker Hannifin Corp. | 0.98% | 12,359 | $7.8M | Add +3.2% |
| BDX Becton Dickinson and Co. | 0.93% | 30,516 | $7.4M | Add +1.2% |
| V Visa Inc. Class A | 0.86% | 24,954 | $6.9M | Add +3.1% |
| BF.B Brown-Forman Corp. Class B | 0.84% | 136,264 | $6.7M | Add +2.0% |
| VOO Vanguard S&P 500 ETF | 0.70% | 10,471 | $5.5M | No change |
| AVIG Avantis Core Fixed Income | 0.49% | 92,298 | $3.9M | New |
| UPS United Parcel Service Class B | 0.49% | 28,507 | $3.9M | Reduce -22.9% |
| QQQ Invesco QQQ Trust Series 1 | 0.31% | 5,103 | $2.5M | No change |
| DECK Deckers Outdoor Corp. | 0.30% | 15,039 | $2.4M | Add +0.3% |
| AMZN Amazon.com Inc. | 0.26% | 11,270 | $2.1M | Add +8.0% |
| VTEB Vanguard Tax-Exempt Bond ETF | 0.23% | 36,507 | $1.9M | Add +310.8% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.22% | 3,000 | $1.7M | Add +1.7% |
| IWD iShares Russell 1000 Value E | 0.21% | 8,871 | $1.7M | No change |
| TSLA Tesla Inc. | 0.21% | 6,367 | $1.7M | Add +7.6% |
| IWF iShares Russell 1000 Growth | 0.20% | 4,328 | $1.6M | No change |
| QUAL iShares MSCI USA Quality Fac | 0.20% | 8,657 | $1.6M | Reduce -22.6% |
| VTI VG Morningstar TS MKT ETF-US | 0.15% | 4,179 | $1.2M | No change |
| GOOG Alphabet Inc. Class C | 0.13% | 6,122 | $1.0M | Add +17.1% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.13% | 2,208 | $1.0M | Add +5.9% |
| AVLV Avantis US Large Cap Value | 0.12% | 14,904 | $981K | Add +0.6% |
| VEA Vanguard Ftse Developed ETF | 0.12% | 17,350 | $916K | No change |
| AON Aon PLC Class A | 0.12% | 2,647 | $916K | Add +6.8% |
| QCOM Qualcomm Inc. | 0.11% | 5,299 | $901K | Reduce -18.4% |
| META Meta Platforms Inc. Class A | 0.11% | 1,541 | $882K | Add +7.2% |
| NFLX Netflix Inc. | 0.11% | 1,206 | $855K | Add +5.3% |
| VNLA Janus Henderson Short Durati | 0.11% | 17,138 | $840K | Reduce -69.6% |
| CVX Chevron Corp. | 0.10% | 5,534 | $815K | Add +14.4% |
| TSM Taiwan Semiconductor-SP ADR | 0.10% | 4,642 | $806K | Add +8.1% |
| VRTX Vertex Pharmaceuticals Inc. | 0.10% | 1,729 | $804K | Add +8.9% |
| COP Conocophillips | 0.10% | 7,637 | $804K | Add +16.0% |
| ISTB iShares Core 1-5 Year Usd Bo | 0.10% | 16,511 | $804K | Add +23.9% |
Portfolio Sells Q2 2024 → Q3 2024
| SUB iShares Short-Term National | Reduce -82.6% | 0.08% | −0.42 |
| VNLA Janus Henderson Short Durati | Reduce -69.6% | 0.11% | −0.27 |
| PSX Phillips 66 | Reduce -0.4% | 1.47% | −0.27 |
| UPS United Parcel Service Class B | Reduce -22.9% | 0.49% | −0.21 |
| NEAR iShares SH Dba ETF Usd Inc. | Sold out | 0.00% | −0.19 |
| COR Cencora Inc. | Reduce -0.5% | 1.40% | −0.15 |
| ADI Analog Devices Inc. | Reduce -0.9% | 1.46% | −0.14 |
| XYL Xylem Inc. | Reduce -0.2% | 1.27% | −0.13 |
| EMR Emerson Electric Co. | Reduce -0.2% | 1.15% | −0.12 |
| COST Costco Wholesale Corp. | Reduce -1.0% | 1.76% | −0.11 |
| AMGN Amgen Inc. | Reduce -0.9% | 1.36% | −0.10 |
| IBDP iShares Ibonds Dec 2024 Term | Sold out | 0.00% | −0.09 |
| GD General Dynamics Corp. | Reduce -0.5% | 1.35% | −0.08 |
| LSST Natixis Loomis Sayles SHRT D | Sold out | 0.00% | −0.08 |
| QUAL iShares MSCI USA Quality Fac | Reduce -22.6% | 0.20% | −0.07 |
| QCOM Qualcomm Inc. | Reduce -18.4% | 0.11% | −0.07 |
| IBTE iShares Ibonds Dec 2024 Term | Sold out | 0.00% | −0.06 |
| FLOT iShares Floating Rate Bond E | Sold out | 0.00% | −0.06 |
| TXN Texas Instruments Inc. | Reduce -0.7% | 1.31% | −0.05 |
| LHX L3HARRIS Technologies Inc. | Reduce -0.1% | 1.17% | −0.04 |
| SYK Stryker Corp. | Reduce -0.3% | 1.19% | −0.04 |
| TSCO Tractor Supply Company | Reduce -1.1% | 1.43% | −0.04 |
| CL Colgate-Palmolive Co. | Reduce -0.9% | 1.20% | −0.04 |
| CBSH Commerce Bancshares Inc. | Reduce -0.8% | 1.05% | −0.04 |
| SHYM iShares Short Duration High | Sold out | 0.00% | −0.03 |
| ECL Ecolab Inc. | Reduce -0.6% | 1.19% | −0.03 |
| SHV iShares 0-1 Year Treasury Bo | Sold out | 0.00% | −0.03 |
| IVW iShares S&P 500 Growth ETF | Reduce -27.7% | 0.07% | −0.03 |
| LIN Linde PLC | Reduce -0.1% | 1.38% | −0.02 |
| IJH iShares Core S&P Midcap ETF | Reduce -33.4% | 0.03% | −0.02 |
| SHY iShares 1-3 Year Treasury Bo | Reduce -5.8% | 0.08% | −0.01 |
| BR Broadridge Financial Solutio | Reduce -0.3% | 1.20% | −0.01 |
| INMU iShares Intermediate Muni Inc. | Reduce -1.9% | 0.06% | −0.01 |
| RTX RTX Corp. | Reduce -14.3% | 0.05% | −0.00 |
| VLUE iShares MSCI USA Value Facto | Reduce -0.5% | 0.05% | −0.00 |
| DGRO iShares Core Dividend Growth | Reduce -1.9% | 0.04% | −0.00 |
| AAPL Apple Inc. | Reduce -0.5% | 2.51% | +0.01 |
| CB Chubb Ltd. | Reduce -1.0% | 1.40% | +0.03 |
| AWK American Water Works Co. Inc. | Reduce -0.1% | 1.11% | +0.03 |
| FRT Federal Realty Invs Trust | Reduce -0.1% | 1.05% | +0.04 |
| MKC McCormick & Co.-Non VTG SHRS | Reduce -0.1% | 1.03% | +0.05 |
| UNH Unitedhealth Group Inc. | Reduce -0.3% | 1.39% | +0.06 |
| ADP Automatic Data Processing | Reduce -0.4% | 1.23% | +0.06 |
| SPGI S&P Global Inc. | Reduce -0.8% | 1.39% | +0.06 |
| ACN Accenture PLC Class A | Reduce -0.5% | 1.25% | +0.07 |
| GWW WW Grainger Inc. | Reduce -0.7% | 1.65% | +0.07 |
| ICE Intercontinental Exchange Inc. | Reduce -1.1% | 1.23% | +0.07 |
| CTAS Cintas Corp. | Reduce -1.5% | 1.38% | +0.07 |
| BRO Brown & Brown Inc. | Reduce -0.8% | 1.69% | +0.08 |
| ATO Atmos Energy Corp. | Reduce -0.3% | 1.16% | +0.09 |
Portfolio Buys Q2 2024 → Q3 2024
| AVIG Avantis Core Fixed Income | New | 0.49% | +0.49 |
| SBUX Starbucks Corp. | Add +1.4% | 1.30% | +0.18 |
| VTEB Vanguard Tax-Exempt Bond ETF | Add +310.8% | 0.23% | +0.17 |
| PH Parker Hannifin Corp. | Add +3.2% | 0.98% | +0.15 |
| NKE Nike Inc. Class B | Add +7.3% | 1.01% | +0.13 |
| WEC WEC Energy Group Inc. | Add +0.1% | 1.11% | +0.12 |
| MCD McDonald's Corp. | Add +0.7% | 1.13% | +0.10 |
| HD Home Depot Inc. | Add +0.1% | 1.37% | +0.09 |
| O Realty Income Corp. | Add +0.1% | 1.04% | +0.09 |
| CMS CMS Energy Corp. | Add +0.1% | 1.10% | +0.08 |
| IBDS Ishrs Ibnds Dec 27 Corp. ETF | New | 0.07% | +0.07 |
| APD Air Products & Chemicals Inc. | Add +0.5% | 1.24% | +0.07 |
| MDT Medtronic PLC | Add +0.3% | 1.11% | +0.05 |
| TSLA Tesla Inc. | Add +7.6% | 0.21% | +0.05 |
| BF.B Brown-Forman Corp. Class B | Add +2.0% | 0.84% | +0.05 |
| DUHP Dimensional US High Profi Et | New | 0.04% | +0.04 |
| PAYX Paychex Inc. | Add +0.2% | 1.09% | +0.03 |
| FDS Factset Research Systems Inc. | Add +0.6% | 1.09% | +0.03 |
| IBTH iShares Ibonds Dec 2027 Term | New | 0.03% | +0.03 |
| PLD Prologis Inc. | Add +0.5% | 1.13% | +0.03 |
| ZTS Zoetis Inc. | Add +0.0% | 1.19% | +0.03 |
| DFAT Dimensional US Target Value | New | 0.03% | +0.03 |
| CSCO Cisco Systems Inc. | Add +0.6% | 1.14% | +0.03 |
| IBDR iShares Ibonds Dec 2026 Term | Add +83.4% | 0.07% | +0.03 |
| MDLZ Mondelez International Inc. Class A | Add +0.2% | 1.03% | +0.03 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | New | 0.03% | +0.03 |
| IBDQ iShares Ibonds Dec 2025 Term | Add +81.6% | 0.05% | +0.02 |
| JNJ Johnson & Johnson | Add +0.6% | 1.00% | +0.02 |
| AON Aon PLC Class A | Add +6.8% | 0.12% | +0.01 |
| ISTB iShares Core 1-5 Year Usd Bo | Add +23.9% | 0.10% | +0.01 |
| ULTA Ulta Beauty Inc. | Add +36.1% | 0.07% | +0.01 |
| BAX Baxter International Inc. | Add +14.2% | 0.08% | +0.01 |
| AXP American Express Co. | Add +16.6% | 0.06% | +0.01 |
| META Meta Platforms Inc. Class A | Add +7.2% | 0.11% | +0.01 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +5.9% | 0.13% | +0.01 |
| CSGP Costar Group Inc. | Add +25.1% | 0.07% | +0.01 |
| AZO AutoZone Inc. | Add +23.6% | 0.06% | +0.01 |
| ITW Illinois Tool Works | Add +0.1% | 1.11% | +0.01 |
| MA Mastercard Inc. Class A | Add +11.1% | 0.07% | +0.01 |
| MCO Moody's Corp. | Add +14.0% | 0.06% | +0.01 |
| ORLY O'reilly Automotive Inc. | Add +19.9% | 0.05% | +0.01 |
| NJR New Jersey Resources Corp. | Add +0.0% | 1.03% | +0.01 |
| MRSH Marsh & McLennan Cos | Add +13.2% | 0.06% | +0.01 |
| WSO Watsco Inc. | Add +10.5% | 0.07% | +0.00 |
| JPM JPMorgan Chase & Co. | Add +9.9% | 0.09% | +0.00 |
| RSG Republic Services Inc. | Add +12.9% | 0.06% | +0.00 |
| WM Waste Management Inc. | Add +18.8% | 0.06% | +0.00 |
| AVUV Avantis US Small Cap Value | Add +10.7% | 0.04% | +0.00 |
| ABT Abbott Laboratories | Add +0.3% | 1.01% | +0.00 |
| NFLX Netflix Inc. | Add +5.3% | 0.11% | +0.00 |
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 |