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

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $736.5M Q1 2024 Q2 2024: $723.8M Q2 2024 Q3 2024: $794.6M $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 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%
JPM JPMorgan Chase & Co. 0.09% 3,513 $741K Add +9.9%
ADBE Adobe Inc. 0.09% 1,312 $679K Add +10.9%
CMF iShares California Muni Bond 0.08% 11,277 $655K Add +1.2%
SHY iShares 1-3 Year Treasury Bo 0.08% 7,801 $649K Reduce -5.8%
SUB iShares Short-Term National 0.08% 5,984 $635K Reduce -82.6%
BAX Baxter International Inc. 0.08% 16,418 $623K Add +14.2%
PWZ Invesco California Amt-Free 0.08% 24,763 $621K Add +2.2%
CSGP Costar Group Inc. 0.07% 7,690 $580K Add +25.1%
MA Mastercard Inc. Class A 0.07% 1,162 $574K Add +11.1%
WSO Watsco Inc. 0.07% 1,109 $545K Add +10.5%
IEMG iShares Core MSCI Emerging 0.07% 9,435 $542K No change
VB Vanguard Most SM-Cap ETF-Usd 0.07% 2,283 $542K No change
IBDR iShares Ibonds Dec 2026 Term 0.07% 22,069 $536K Add +83.4%
ULTA Ulta Beauty Inc. 0.07% 1,375 $535K Add +36.1%
IBDS Ishrs Ibnds Dec 27 Corp. ETF 0.07% 21,912 $534K New
IVW iShares S&P 500 Growth ETF 0.07% 5,509 $527K Reduce -27.7%
INTU Intuit Inc. 0.07% 849 $527K Add +7.9%
RSG Republic Services Inc. 0.06% 2,558 $514K Add +12.9%
WM Waste Management Inc. 0.06% 2,464 $512K Add +18.8%
DG Dollar General Corp. 0.06% 5,866 $496K Add +53.9%
MRSH Marsh & McLennan Cos 0.06% 2,209 $493K Add +13.2%
AZO AutoZone Inc. 0.06% 152 $479K Add +23.6%
AXP American Express Co. 0.06% 1,718 $466K Add +16.6%
DLTR Dollar Tree Inc. 0.06% 6,523 $459K Add +59.7%
MCO Moody's Corp. 0.06% 936 $444K Add +14.0%
INMU iShares Intermediate Muni Inc. 0.06% 18,305 $441K Reduce -1.9%
IBDQ iShares Ibonds Dec 2025 Term 0.05% 17,013 $427K Add +81.6%
RTX RTX Corp. 0.05% 3,331 $404K Reduce -14.3%
THG Hanover Insurance Group Inc./ 0.05% 2,657 $394K No change
VLUE iShares MSCI USA Value Facto 0.05% 3,602 $393K Reduce -0.5%
VNQ Vanguard Real Estate ETF 0.05% 3,815 $372K No change
VIG Vanguard Dividend Apprec ETF 0.05% 1,865 $369K No change
ORLY O'reilly Automotive Inc. 0.05% 320 $369K Add +19.9%
OKE Oneok Inc. 0.04% 3,767 $343K No change
MRK Merck & Co. Inc. 0.04% 2,903 $330K No change
VBR Vngrd Mrngst SL-CP Val ETF-U 0.04% 1,638 $329K No change
ET Energy Transfer LP 0.04% 19,897 $319K No change
FEX First Trust Large Cap Core A 0.04% 3,032 $316K No change
AVUV Avantis US Small Cap Value 0.04% 3,288 $315K Add +10.7%
DUHP Dimensional US High Profi Et 0.04% 8,971 $306K New
AAP Advance Auto Parts Inc. 0.04% 7,754 $302K Add +67.7%
IBTG iShares Ibonds Dec 2026 Term 0.04% 13,042 $301K Add +3.4%
DGRO iShares Core Dividend Growth 0.04% 4,653 $292K Reduce -1.9%
EPD Enterprise Products Partners 0.04% 9,800 $285K No change
VMC Vulcan Materials Co. 0.04% 1,138 $285K No change
ITOT iShares Core S&P Total U.S. 0.03% 2,168 $272K No change
IBTH iShares Ibonds Dec 2027 Term 0.03% 11,461 $259K New
NVS Novartis AG-Sponsored ADR 0.03% 2,211 $254K No change
LLY Eli Lilly & Co. 0.03% 285 $252K No change
IBTF iShares Ibonds Dec 2025 Term 0.03% 10,535 $247K Add +5.7%
DFAT Dimensional US Target Value 0.03% 4,410 $245K New
IWO iShares Russell 2000 Growth 0.03% 858 $244K No change
PAA Plains All Amer Pipeline LP 0.03% 13,602 $236K No change
IJH iShares Core S&P Midcap ETF 0.03% 3,604 $225K Reduce -33.4%
WES Western Midstream Partners L 0.03% 5,475 $209K No change
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.03% 770 $203K New

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

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