Mattern Capital Management, LLC
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 14, 2024), Mattern Capital Management, LLC reported 157 stock positions worth $736.5 million. Its top holding was Microsoft (MSFT) at 2.2% of the portfolio, followed by Apple (AAPL, 2.0%) and Phillips 66 (PSX, 2.0%). Compared with Q4 2023, it opened 28 new positions, sold out of 7, added to 68 and reduced 40. The biggest buy was a new position in Broadcom (AVGO) and the biggest sale an exit from American Tower (AMT).
- Most Recent 13F
- Q2 2026
- Location
- LAKEWOOD, CO
- CIK
- 0001803227
- Portfolio Value
- $736.5M (Q1 2024)
- SEC Filing
- 0001725547-24-002124 ↗ filed May 14, 2024
Holdings Value
Holdings 157 stocks · $736.5M
| MSFT Microsoft Corp. | 2.22% | 38,785 | $16.3M | Reduce -7.6% |
| AAPL Apple Inc. | 2.03% | 87,097 | $14.9M | Add +0.7% |
| PSX Phillips 66 | 2.00% | 90,268 | $14.7M | Reduce -9.0% |
| LOW Lowe's Cos Inc. | 1.83% | 53,001 | $13.5M | Reduce -3.4% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 1.78% | 12,874 | $13.1M | Reduce -8.4% |
| COR Cencora Inc. | 1.65% | 50,013 | $12.2M | Reduce -4.0% |
| COST Costco Wholesale Corp. | 1.61% | 16,169 | $11.8M | Reduce -4.1% |
| TGT Target Corp. | 1.58% | 65,839 | $11.7M | Reduce -9.0% |
| BRO Brown & Brown Inc. | 1.57% | 131,747 | $11.5M | Reduce -1.0% |
| AFL Aflac Inc. | 1.46% | 125,485 | $10.8M | Add +1.3% |
| LIN Linde PLC | 1.46% | 23,144 | $10.7M | Reduce -0.2% |
| TSCO Tractor Supply Company | 1.43% | 40,097 | $10.5M | Reduce -3.1% |
| ADI Analog Devices Inc. | 1.40% | 52,017 | $10.3M | Add +1.3% |
| HD Home Depot Inc. | 1.39% | 26,667 | $10.2M | Add +0.2% |
| WMT Walmart Inc. | 1.39% | 169,869 | $10.2M | Add +0.7% |
| GD General Dynamics Corp. | 1.38% | 36,079 | $10.2M | Reduce -0.4% |
| CB Chubb Ltd. | 1.38% | 39,243 | $10.2M | Reduce -0.7% |
| SHW The Sherwin-Williams Co. | 1.37% | 28,958 | $10.1M | Reduce -1.6% |
| XYL Xylem Inc. | 1.33% | 76,072 | $9.8M | Reduce -5.6% |
| AMGN Amgen Inc. | 1.32% | 34,181 | $9.7M | Add +1.0% |
| ACN Accenture PLC Class A | 1.30% | 27,591 | $9.6M | Reduce -0.7% |
| EMR Emerson Electric Co. | 1.30% | 84,169 | $9.5M | Add +1.2% |
| UPS United Parcel Service Class B | 1.28% | 63,425 | $9.4M | Add +7.0% |
| SYK Stryker Corp. | 1.28% | 26,288 | $9.4M | Reduce -4.1% |
| UNH Unitedhealth Group Inc. | 1.27% | 18,930 | $9.4M | Add +7.2% |
| CTAS Cintas Corp. | 1.27% | 13,617 | $9.4M | Reduce -1.0% |
| BLK BlackRock Finance Inc. | 1.27% | 11,214 | $9.3M | Add +0.1% |
| SBUX Starbucks Corp. | 1.27% | 102,261 | $9.3M | Add +8.1% |
| NEE Nextera Energy Inc. | 1.26% | 145,500 | $9.3M | Add +8.7% |
| SPGI S&P Global Inc. | 1.25% | 21,668 | $9.2M | Add +2.9% |
| BR Broadridge Financial Solutio | 1.24% | 44,546 | $9.1M | Reduce -1.5% |
| LMT Lockheed Martin Corp. | 1.22% | 19,752 | $9.0M | Add +5.4% |
| UNP Union Pacific Corp. | 1.22% | 36,482 | $9.0M | Add +3.6% |
| ITW Illinois Tool Works | 1.22% | 33,400 | $9.0M | Add +1.6% |
| TXN Texas Instruments Inc. | 1.21% | 51,278 | $8.9M | Add +2.8% |
| ADP Automatic Data Processing | 1.21% | 35,640 | $8.9M | Add +2.7% |
| TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC | 1.19% | 72,122 | $8.8M | Add +5.1% |
| ECL Ecolab Inc. | 1.18% | 37,616 | $8.7M | Reduce -5.0% |
| PLD Prologis Inc. | 1.17% | 66,284 | $8.6M | Add +3.3% |
| PEP Pepsico Inc. | 1.16% | 48,905 | $8.6M | Add +12.3% |
| MDT Medtronic PLC | 1.16% | 97,916 | $8.5M | Add +2.7% |
| PPG PPG Industries Inc. | 1.16% | 58,841 | $8.5M | Add +3.8% |
| ICE Intercontinental Exchange Inc. | 1.15% | 61,617 | $8.5M | Reduce -0.2% |
| CL Colgate-Palmolive Co. | 1.15% | 93,791 | $8.4M | Add +2.3% |
| PG The Procter & Gamble Co. | 1.15% | 52,014 | $8.4M | Add +4.2% |
| LHX L3HARRIS Technologies Inc. | 1.14% | 39,354 | $8.4M | Add +2.1% |
| FDS Factset Research Systems Inc. | 1.13% | 18,363 | $8.3M | Add +4.4% |
| JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC | 1.13% | 47,692 | $8.3M | Add +2.6% |
| CSCO Cisco Systems Inc. | 1.12% | 165,782 | $8.3M | Add +4.5% |
| CHD Church & Dwight Co. Inc. | 1.10% | 77,778 | $8.1M | Add +3.8% |
| HON Honeywell International Inc. | 1.10% | 39,513 | $8.1M | Add +5.5% |
| CMCSA Comcast Corp. Class A | 1.10% | 186,556 | $8.1M | Add +3.7% |
| ZTS Zoetis Inc. | 1.10% | 47,773 | $8.1M | Add +5.1% |
| MCD McDonald's Corp. | 1.10% | 28,616 | $8.1M | Add +4.4% |
| APD Air Products & Chemicals Inc. | 1.08% | 32,908 | $8.0M | Add +22.4% |
| NKE Nike Inc. Class B | 1.08% | 84,442 | $7.9M | Add +15.6% |
| PAYX Paychex Inc. | 1.08% | 64,587 | $7.9M | Add +6.9% |
| ATO Atmos Energy Corp. | 1.08% | 66,667 | $7.9M | Add +7.3% |
| ABT Abbott Laboratories | 1.07% | 69,328 | $7.9M | Add +3.8% |
| MDLZ Mondelez International Inc. Class A | 1.05% | 110,929 | $7.8M | Add +4.2% |
| JNJ Johnson & Johnson | 1.04% | 48,191 | $7.6M | Add +6.8% |
| CBSH Commerce Bancshares Inc. | 1.03% | 142,940 | $7.6M | Add +1.5% |
| MKC McCormick & Co.-Non VTG SHRS | 1.03% | 98,920 | $7.6M | Add +11.2% |
| WEC WEC Energy Group Inc. | 1.01% | 91,001 | $7.5M | Add +17.3% |
| CMS CMS Energy Corp. | 1.01% | 123,466 | $7.4M | Add +8.5% |
| NJR New Jersey Resources Corp. | 1.01% | 173,335 | $7.4M | Add +10.0% |
| FRT Federal Realty Invs Trust | 1.01% | 72,708 | $7.4M | Add +9.2% |
| BDX Becton Dickinson and Co. | 1.01% | 29,944 | $7.4M | Add +10.5% |
| AWK American Water Works Co. Inc. | 1.00% | 60,253 | $7.4M | Add +11.1% |
| O Realty Income Corp. | 0.95% | 129,528 | $7.0M | Add +12.5% |
| BF.B Brown-Forman Corp. Class B | 0.88% | 125,315 | $6.5M | Add +18.8% |
| AVGO Broadcom Inc. | 0.87% | 4,811 | $6.4M | New |
| V Visa Inc. Class A | 0.85% | 22,355 | $6.2M | Add +2502.4% |
| PH Parker Hannifin Corp. | 0.83% | 11,054 | $6.1M | New |
| VOO Vanguard S&P 500 ETF | 0.68% | 10,471 | $5.0M | No change |
| SUB iShares Short-Term National | 0.50% | 35,471 | $3.7M | Add +1.0% |
| VNLA Janus Henderson Short Durati | 0.37% | 56,041 | $2.7M | Add +1.9% |
| DECK Deckers Outdoor Corp. | 0.31% | 2,457 | $2.3M | Reduce -59.6% |
| QQQ Invesco QQQ Trust Series 1 | 0.31% | 5,103 | $2.3M | No change |
| QUAL iShares MSCI USA Quality Fac | 0.26% | 11,719 | $1.9M | Reduce -47.5% |
| AMZN Amazon.com Inc. | 0.25% | 10,399 | $1.9M | Add +32.0% |
| IWD iShares Russell 1000 Value E | 0.22% | 8,871 | $1.6M | No change |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.21% | 2,951 | $1.5M | No change |
| IWF iShares Russell 1000 Growth | 0.20% | 4,328 | $1.5M | No change |
| NEAR iShares SH Dba ETF Usd Inc. | 0.18% | 26,407 | $1.3M | Reduce -2.1% |
| QCOM Qualcomm Inc. | 0.15% | 6,491 | $1.1M | Reduce -0.6% |
| VTI VG Morningstar TS MKT ETF-US | 0.15% | 4,179 | $1.1M | Reduce -2.8% |
| AVLV Avantis US Large Cap Value | 0.14% | 15,705 | $1.0M | Reduce -51.5% |
| TSLA Tesla Inc. | 0.12% | 5,195 | $913K | Add +33.6% |
| VEA Vanguard Ftse Developed ETF | 0.12% | 17,350 | $870K | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 0.11% | 1,882 | $791K | Add +55.0% |
| NFLX Netflix Inc. | 0.10% | 1,238 | $752K | Add +71.2% |
| AON Aon PLC Class A | 0.10% | 2,141 | $714K | Add +83.0% |
| GOOG Alphabet Inc. Class C | 0.10% | 4,666 | $710K | Add +181.9% |
| IVW iShares S&P 500 Growth ETF | 0.09% | 8,158 | $689K | Reduce -47.6% |
| SHY iShares 1-3 Year Treasury Bo | 0.09% | 8,301 | $679K | Reduce -2.9% |
| COP Conocophillips | 0.09% | 5,073 | $646K | New |
| IBDP iShares Ibonds Dec 2024 Term | 0.09% | 25,720 | $644K | Reduce -0.3% |
| CVX Chevron Corp. | 0.09% | 4,049 | $639K | Add +131.6% |
| ISTB iShares Core 1-5 Year Usd Bo | 0.09% | 13,331 | $632K | No change |
Portfolio Sells Q4 2023 → Q1 2024
| AMT American Tower Corp. | Sold out | 0.00% | −1.17 |
| XEL Xcel Energy Inc. | Sold out | 0.00% | −1.10 |
| VMC Vulcan Materials Co. | Reduce -91.8% | 0.04% | −0.41 |
| DECK Deckers Outdoor Corp. | Reduce -59.6% | 0.31% | −0.28 |
| QUAL iShares MSCI USA Quality Fac | Reduce -47.5% | 0.26% | −0.22 |
| RTX RTX Corp. | Reduce -71.8% | 0.08% | −0.18 |
| AVLV Avantis US Large Cap Value | Reduce -51.5% | 0.14% | −0.13 |
| ES Eversource Energy | Sold out | 0.00% | −0.13 |
| CLX Clorox Company | Sold out | 0.00% | −0.13 |
| SJM The JM Smucker Co. | Sold out | 0.00% | −0.13 |
| ACN Accenture PLC Class A | Reduce -0.7% | 1.30% | −0.12 |
| BR Broadridge Financial Solutio | Reduce -1.5% | 1.24% | −0.11 |
| MSFT Microsoft Corp. | Reduce -7.6% | 2.22% | −0.08 |
| IVW iShares S&P 500 Growth ETF | Reduce -47.6% | 0.09% | −0.08 |
| ACWI iShares MSCI Acwi ETF | Sold out | 0.00% | −0.04 |
| IGSB iShares 1-5Y Inv Grade Corp. | Sold out | 0.00% | −0.03 |
| IJH iShares Core S&P Midcap ETF | Reduce -36.3% | 0.05% | −0.02 |
| AVUV Avantis US Small Cap Value | Reduce -31.8% | 0.04% | −0.02 |
| DGRO iShares Core Dividend Growth | Reduce -34.5% | 0.04% | −0.02 |
| NEAR iShares SH Dba ETF Usd Inc. | Reduce -2.1% | 0.18% | −0.02 |
| ERF Enerplus Corp. | Reduce -41.0% | 0.03% | −0.01 |
| SHY iShares 1-3 Year Treasury Bo | Reduce -2.9% | 0.09% | −0.01 |
| COST Costco Wholesale Corp. | Reduce -4.1% | 1.61% | −0.01 |
| VTEB Vanguard Tax-Exempt Bond ETF | Reduce -1.7% | 0.06% | −0.01 |
| IBDP iShares Ibonds Dec 2024 Term | Reduce -0.3% | 0.09% | −0.01 |
| INMU iShares Intermediate Muni Inc. | Reduce -2.4% | 0.06% | −0.01 |
| XYL Xylem Inc. | Reduce -5.6% | 1.33% | −0.01 |
| VLUE iShares MSCI USA Value Facto | Reduce -7.2% | 0.06% | −0.00 |
| FLOT iShares Floating Rate Bond E | Reduce -0.5% | 0.06% | −0.00 |
| SHYM iShares Short Duration High | Reduce -1.8% | 0.04% | −0.00 |
| ICE Intercontinental Exchange Inc. | Reduce -0.2% | 1.15% | −0.00 |
| VTI VG Morningstar TS MKT ETF-US | Reduce -2.8% | 0.15% | −0.00 |
| QCOM Qualcomm Inc. | Reduce -0.6% | 0.15% | +0.01 |
| GD General Dynamics Corp. | Reduce -0.4% | 1.38% | +0.02 |
| SHW The Sherwin-Williams Co. | Reduce -1.6% | 1.37% | +0.03 |
| ECL Ecolab Inc. | Reduce -5.0% | 1.18% | +0.04 |
| LOW Lowe's Cos Inc. | Reduce -3.4% | 1.83% | +0.06 |
| CTAS Cintas Corp. | Reduce -1.0% | 1.27% | +0.07 |
| LIN Linde PLC | Reduce -0.2% | 1.46% | +0.07 |
| PSX Phillips 66 | Reduce -9.0% | 2.00% | +0.08 |
| CB Chubb Ltd. | Reduce -0.7% | 1.38% | +0.08 |
| SYK Stryker Corp. | Reduce -4.1% | 1.28% | +0.08 |
| TGT Target Corp. | Reduce -9.0% | 1.58% | +0.09 |
| GWW WW Grainger Inc. | Reduce -8.4% | 1.78% | +0.09 |
| COR Cencora Inc. | Reduce -4.0% | 1.65% | +0.09 |
| TSCO Tractor Supply Company | Reduce -3.1% | 1.43% | +0.13 |
| BRO Brown & Brown Inc. | Reduce -1.0% | 1.57% | +0.19 |
Portfolio Buys Q4 2023 → Q1 2024
| AVGO Broadcom Inc. | New | 0.87% | +0.87 |
| PH Parker Hannifin Corp. | New | 0.83% | +0.83 |
| V Visa Inc. Class A | Add +2502.4% | 0.85% | +0.81 |
| MKC McCormick & Co.-Non VTG SHRS | Add +11.2% | 1.03% | +0.15 |
| TROW T Rowe Price Group Inc. | Add +5.1% | 1.19% | +0.12 |
| EMR Emerson Electric Co. | Add +1.2% | 1.30% | +0.12 |
| WMT Walmart Inc. | Add +0.7% | 1.39% | +0.10 |
| COP Conocophillips | New | 0.09% | +0.09 |
| PEP Pepsico Inc. | Add +12.3% | 1.16% | +0.09 |
| CL Colgate-Palmolive Co. | Add +2.3% | 1.15% | +0.08 |
| PG The Procter & Gamble Co. | Add +4.2% | 1.15% | +0.08 |
| AMZN Amazon.com Inc. | Add +32.0% | 0.25% | +0.08 |
| NEE Nextera Energy Inc. | Add +8.7% | 1.26% | +0.08 |
| VRTX Vertex Pharmaceuticals Inc. | New | 0.07% | +0.07 |
| CHD Church & Dwight Co. Inc. | Add +3.8% | 1.10% | +0.07 |
| JPM JPMorgan Chase & Co. | New | 0.07% | +0.07 |
| WEC WEC Energy Group Inc. | Add +17.3% | 1.01% | +0.07 |
| TSM Taiwan Semiconductor-SP ADR | New | 0.06% | +0.06 |
| GOOG Alphabet Inc. Class C | Add +181.9% | 0.10% | +0.06 |
| DG Dollar General Corp. | New | 0.06% | +0.06 |
| BAX Baxter International Inc. | New | 0.06% | +0.06 |
| ADBE Adobe Inc. | New | 0.06% | +0.06 |
| CSGP Costar Group Inc. | New | 0.06% | +0.06 |
| INTU Intuit Inc. | New | 0.05% | +0.05 |
| META Meta Platforms Inc. Class A | Add +110.1% | 0.08% | +0.05 |
| CMS CMS Energy Corp. | Add +8.5% | 1.01% | +0.05 |
| NFLX Netflix Inc. | Add +71.2% | 0.10% | +0.05 |
| DLTR Dollar Tree Inc. | New | 0.05% | +0.05 |
| CVX Chevron Corp. | Add +131.6% | 0.09% | +0.05 |
| ULTA Ulta Beauty Inc. | New | 0.05% | +0.05 |
| MA Mastercard Inc. Class A | New | 0.05% | +0.05 |
| WSO Watsco Inc. | New | 0.05% | +0.05 |
| HD Home Depot Inc. | Add +0.2% | 1.39% | +0.05 |
| AON Aon PLC Class A | Add +83.0% | 0.10% | +0.05 |
| BDX Becton Dickinson and Co. | Add +10.5% | 1.01% | +0.05 |
| WM Waste Management Inc. | New | 0.04% | +0.04 |
| RSG Republic Services Inc. | New | 0.04% | +0.04 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +55.0% | 0.11% | +0.04 |
| MRSH Marsh & McLennan Cos | New | 0.04% | +0.04 |
| AAP Advance Auto Parts Inc. | New | 0.04% | +0.04 |
| IBDR iShares Ibonds Dec 2026 Term | New | 0.04% | +0.04 |
| IBTG iShares Ibonds Dec 2026 Term | New | 0.04% | +0.04 |
| AZO AutoZone Inc. | New | 0.04% | +0.04 |
| MCO Moody's Corp. | New | 0.04% | +0.04 |
| ADP Automatic Data Processing | Add +2.7% | 1.21% | +0.03 |
| AXP American Express Co. | New | 0.03% | +0.03 |
| IBDQ iShares Ibonds Dec 2025 Term | New | 0.03% | +0.03 |
| PAYX Paychex Inc. | Add +6.9% | 1.08% | +0.03 |
| IBTF iShares Ibonds Dec 2025 Term | New | 0.03% | +0.03 |
| ORLY O'reilly Automotive Inc. | New | 0.03% | +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 |