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

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $736.5M Q1 2024 Q2 2024: $723.8M $723.8M Q2 2024 Q3 2024: $794.6M Q3 2024 Q4 2024: $767.4M Q4 2024 Q1 2025: $785.4M Q1 2025 Q2 2025: $832.4M Q2 2025 Q3 2025: $850.6M Q3 2025 Q4 2025: $846.9M Q4 2025 Q1 2026: $834.9M Q1 2026 Q2 2026: $856.7M Q2 2026

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%
SHY iShares 1-3 Year Treasury Bo 0.09% 8,278 $676K Reduce -0.3%
ADBE Adobe Inc. 0.09% 1,183 $657K Add +38.7%
IBDP iShares Ibonds Dec 2024 Term 0.09% 25,720 $646K No change
JPM JPMorgan Chase & Co. 0.09% 3,195 $646K Add +20.9%
CMF iShares California Muni Bond 0.09% 11,140 $634K Add +4.4%
ISTB iShares Core 1-5 Year Usd Bo 0.09% 13,331 $631K No change
PWZ Invesco California Amt-Free 0.08% 24,231 $598K Add +4.4%
LSST Natixis Loomis Sayles SHRT D 0.08% 23,013 $549K Add +1.4%
INTU Intuit Inc. 0.07% 787 $517K Add +29.0%
IEMG iShares Core MSCI Emerging 0.07% 9,435 $505K No change
DG Dollar General Corp. 0.07% 3,811 $504K Add +36.7%
VB Vanguard Most SM-Cap ETF-Usd 0.07% 2,283 $498K No change
BAX Baxter International Inc. 0.07% 14,372 $481K Add +41.8%
IBTE iShares Ibonds Dec 2024 Term 0.06% 19,499 $468K No change
WSO Watsco Inc. 0.06% 1,004 $465K Add +22.6%
MA Mastercard Inc. Class A 0.06% 1,046 $461K Add +41.9%
CSGP Costar Group Inc. 0.06% 6,149 $456K Add +39.8%
VTEB Vanguard Tax-Exempt Bond ETF 0.06% 8,886 $445K Reduce -0.6%
WM Waste Management Inc. 0.06% 2,074 $442K Add +33.5%
RSG Republic Services Inc. 0.06% 2,265 $440K Add +31.6%
INMU iShares Intermediate Muni Inc. 0.06% 18,650 $439K Add +0.8%
DLTR Dollar Tree Inc. 0.06% 4,085 $436K Add +45.7%
FLOT iShares Floating Rate Bond E 0.06% 8,327 $425K No change
MRSH Marsh & McLennan Cos 0.06% 1,951 $411K Add +26.5%
RTX RTX Corp. 0.05% 3,888 $390K Reduce -33.5%
ULTA Ulta Beauty Inc. 0.05% 1,010 $390K Add +47.5%
VLUE iShares MSCI USA Value Facto 0.05% 3,621 $375K Reduce -5.0%
AZO AutoZone Inc. 0.05% 123 $365K Add +43.0%
MRK Merck & Co. Inc. 0.05% 2,903 $359K No change
MCO Moody's Corp. 0.05% 821 $346K Add +24.2%
AXP American Express Co. 0.05% 1,474 $341K Add +39.5%
VIG Vanguard Dividend Apprec ETF 0.05% 1,865 $340K No change
THG Hanover Insurance Group Inc./ 0.05% 2,657 $333K No change
ET Energy Transfer LP 0.04% 19,897 $323K No change
VNQ Vanguard Real Estate ETF 0.04% 3,815 $320K No change
IJH iShares Core S&P Midcap ETF 0.04% 5,415 $317K Reduce -2.4%
OKE Oneok Inc. 0.04% 3,767 $307K No change
VBR Vngrd Mrngst SL-CP Val ETF-U 0.04% 1,638 $299K No change
FEX First Trust Large Cap Core A 0.04% 3,032 $294K No change
AAP Advance Auto Parts Inc. 0.04% 4,624 $293K Add +35.5%
IBDR iShares Ibonds Dec 2026 Term 0.04% 12,032 $287K Add +3.6%
IBTG iShares Ibonds Dec 2026 Term 0.04% 12,608 $286K Add +4.0%
EPD Enterprise Products Partners 0.04% 9,800 $284K No change
VMC Vulcan Materials Co. 0.04% 1,138 $283K No change
ORLY O'reilly Automotive Inc. 0.04% 267 $282K Add +35.5%
DGRO iShares Core Dividend Growth 0.04% 4,744 $273K No change
AVUV Avantis US Small Cap Value 0.04% 2,971 $267K Reduce -1.7%
LLY Eli Lilly & Co. 0.04% 285 $258K No change
ITOT iShares Core S&P Total U.S. 0.04% 2,168 $258K No change
SHYM iShares Short Duration High 0.03% 11,075 $251K Reduce -5.7%
SHV iShares 0-1 Year Treasury Bo 0.03% 2,231 $247K Reduce -39.1%
PAA Plains All Amer Pipeline LP 0.03% 13,602 $243K No change
NVS Novartis AG-Sponsored ADR 0.03% 2,211 $235K No change
IBDQ iShares Ibonds Dec 2025 Term 0.03% 9,367 $233K Add +1.8%
IBTF iShares Ibonds Dec 2025 Term 0.03% 9,964 $231K Add +1.8%
IWO iShares Russell 2000 Growth 0.03% 858 $225K No change
WES Western Midstream Partners L 0.03% 5,475 $218K New

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

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 166$856.7MAAPL, GWW, MSFT, UNH, COST
Q1 2026 170$834.9MAAPL, PSX, MSFT, COST, COR
Q4 2025 170$846.9MAAPL, MSFT, WMT, COR, AVGO
Q3 2025 172$850.6MAAPL, MSFT, WMT, COR, LOW
Q2 2025 170$832.4MMSFT, AAPL, WMT, COR, COST
Q1 2025 163$785.4MAAPL, BRO, MSFT, COST, COR
Q4 2024 160$767.4MAAPL, MSFT, COST, WMT, GWW
Q3 2024 156$794.6MAAPL, MSFT, LOW, COST, AFL
Q2 2024 157$723.8MAAPL, MSFT, COST, PSX, LOW
Q1 2024 157$736.5MMSFT, AAPL, PSX, LOW, GWW