Mattern Capital Management, LLC Top Holdings and 13F Report (2026)

About Mattern Capital Management, LLC

Investment Activity

Mattern Capital Management, LLC has $856.75 million in total holdings as of June 30, 2026.
Mattern Capital Management, LLC owns shares of 166 different stocks, but just 64 companies or ETFs make up 80% of its holdings.
Approximately 6.68% of the portfolio was purchased this quarter.
About 5.92% of the portfolio was sold this quarter.
This quarter, Mattern Capital Management, LLC has purchased 170 new stocks and bought additional shares in 94 stocks.
Mattern Capital Management, LLC sold shares of 43 stocks and completely divested from 7 stocks this quarter.

Largest Holdings

Apple: $22,096,186
W.W. Grainger: $16,075,847
Microsoft: $15,325,768
UnitedHealth Group: $14,646,947
Costco Wholesale: $13,444,766

Largest New Holdings this Quarter

007903107 - Advanced Micro Devices: $285,227 Holding
149123101 - Caterpillar: $231,083 Holding
244199105 - Deere & Company: $210,598 Holding

Largest Purchases this Quarter

JPMorgan Chase & Co.: 26,516 shares (about $8.68M)
Tractor Supply: 86,868 shares (about $2.75M)
NIKE: 58,208 shares (about $2.39M)
Zoetis: 29,761 shares (about $2.14M)
Becton, Dickinson and Company: 14,050 shares (about $2.13M)

Largest Sales this Quarter

Phillips 66: 51,700 shares (about $8.74M)
PPG Industries: 70,855 shares (about $8.59M)
Commerce Bancshares: 128,134 shares (about $7.40M)
Federal Realty Investment Trust: 38,737 shares (about $4.78M)
Realty Income: 71,831 shares (about $4.45M)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
AAPL Apple	$22,096,186	$358,229 â–¼	-1.6%	76,362	2.6%	Computer and Technology
GWW W.W. Grainger	$16,075,847	$259,836 â–¼	-1.6%	11,817	1.9%	Industrials
MSFT Microsoft	$15,325,768	$96,238 â–¼	-0.6%	41,086	1.8%	Computer and Technology
UNH UnitedHealth Group	$14,646,947	$1,473,423 â–¼	-9.1%	35,240	1.7%	Medical
COST Costco Wholesale	$13,444,766	$40,226 â–¼	-0.3%	14,372	1.6%	Retail/Wholesale
AVGO Broadcom	$13,296,422	$763,810 â–¼	-5.4%	35,199	1.6%	Computer and Technology
COR Cencora	$13,252,236	$1,368,491 â–²	11.5%	46,831	1.5%	Medical
AFL Aflac	$12,933,730	$37,051 â–¼	-0.3%	110,309	1.5%	Finance
CSCO Cisco Systems	$12,457,557	$635,223 â–²	5.4%	106,058	1.5%	Computer and Technology
LINDE PLC	$12,324,825	$170,731 â–¼	-1.4%	23,750	1.4%	SHS
CB Chubb	$12,254,714	$53,155 â–¼	-0.4%	35,965	1.4%	Finance
LLY Eli Lilly and Company	$12,219,793	$708,863 â–²	6.2%	10,188	1.4%	Medical
WEC WEC Energy Group	$12,131,119	$707,509 â–¼	-5.5%	103,889	1.4%	Utilities
LOW Lowe's Companies	$12,107,106	$640,303 â–²	5.6%	54,910	1.4%	Retail/Wholesale
GD General Dynamics	$11,871,460	$192,001 â–²	1.6%	33,512	1.4%	Aerospace
TXN Texas Instruments	$11,788,072	$261,109 â–¼	-2.2%	39,548	1.4%	Computer and Technology
NEE NextEra Energy	$11,550,532	$205,206 â–¼	-1.7%	131,600	1.3%	Utilities
CMS CMS Energy	$11,543,544	$670,446 â–¼	-5.5%	150,896	1.3%	Utilities
ADP Automatic Data Processing	$11,245,649	$185,878 â–²	1.7%	50,215	1.3%	Computer and Technology
AWK American Water Works	$11,176,405	$350,266 â–¼	-3.0%	84,940	1.3%	Utilities
TT Trane Technologies	$11,146,876	$461,690 â–¼	-4.0%	22,695	1.3%	Construction
APH Amphenol	$11,035,164	$1,711,362 â–²	18.4%	62,586	1.3%	Computer and Technology
BRO Brown & Brown	$10,896,198	$1,742,314 â–²	19.0%	169,855	1.3%	Finance
SHW Sherwin-Williams	$10,802,351	$725,138 â–²	7.2%	31,373	1.3%	Basic Materials
FDS FactSet Research Systems	$10,774,186	$27,610 â–²	0.3%	46,828	1.3%	Business Services
LHX L3Harris Technologies	$10,648,671	$553,283 â–²	5.5%	36,645	1.2%	Aerospace
HD Home Depot	$10,584,985	$970,223 â–²	10.1%	30,013	1.2%	Retail/Wholesale
WALMART INC	$10,583,581	$592,123 â–²	5.9%	93,445	1.2%	COM
PAYX Paychex	$10,577,456	$26,844 â–²	0.3%	107,571	1.2%	Computer and Technology
ADI Analog Devices	$10,484,494	$50,043 â–¼	-0.5%	26,398	1.2%	Computer and Technology
JPM JPMorgan Chase & Co.	$10,379,962	$8,679,483 â–²	510.4%	31,711	1.2%	Finance
ECL Ecolab	$10,299,097	$403,706 â–²	4.1%	36,966	1.2%	Basic Materials
MSI Motorola Solutions	$10,253,510	$55,649 â–²	0.5%	24,690	1.2%	Computer and Technology
ATO Atmos Energy	$10,227,842	$57,710 â–¼	-0.6%	59,371	1.2%	Utilities
BLACKROCK INC	$10,212,729	$225,005 â–²	2.3%	10,621	1.2%	COM
AMGN Amgen	$10,142,257	$1,491,210 â–²	17.2%	28,008	1.2%	Medical
JNJ Johnson & Johnson	$10,125,845	$1,149,475 â–²	12.8%	39,870	1.2%	Medical
V Visa	$10,123,900	$874,193 â–²	9.5%	29,508	1.2%	Business Services
PH Parker-Hannifin	$9,916,181	$1,029,960 â–²	11.6%	10,138	1.2%	Industrials
ABT Abbott Laboratories	$9,894,834	$286,557 â–²	3.0%	109,046	1.2%	Medical
ITW Illinois Tool Works	$9,876,212	$286,698 â–²	3.0%	36,515	1.2%	Industrials
XYL Xylem	$9,858,478	$908,917 â–²	10.2%	83,398	1.2%	Business Services
WM Waste Management	$9,842,827	$401,407 â–²	4.3%	44,162	1.1%	Business Services
SPGI S&P Global	$9,825,148	$930,996 â–²	10.5%	24,125	1.1%	Finance
ROPER TECHNOLOGIES INC	$9,822,447	$9,137 â–¼	-0.1%	29,027	1.1%	COM
NJR NewJersey Resources	$9,788,563	$299,534 â–¼	-3.0%	174,671	1.1%	Utilities
SYK Stryker	$9,784,912	$1,394,426 â–²	16.6%	31,079	1.1%	Medical
PLD Prologis	$9,668,387	$149,830 â–¼	-1.5%	71,369	1.1%	Finance
CL Colgate-Palmolive	$9,578,635	$20,811 â–²	0.2%	104,479	1.1%	Consumer Staples
CTAS Cintas	$9,507,812	$709,914 â–²	8.1%	55,902	1.1%	Business Services
BR Broadridge Financial Solutions	$9,093,069	$514,110 â–²	6.0%	66,397	1.1%	Computer and Technology
CHD Church & Dwight	$8,998,505	$142,414 â–²	1.6%	92,883	1.1%	Consumer Staples
TSCO Tractor Supply	$8,994,531	$2,745,898 â–²	43.9%	284,547	1.0%	Retail/Wholesale
PG Procter & Gamble	$8,971,250	$474,378 â–²	5.6%	61,179	1.0%	Consumer Staples
MDT Medtronic	$8,921,427	$1,077,775 â–²	13.7%	114,041	1.0%	Medical
WRB W.R. Berkley	$8,892,211	$931,349 â–²	11.7%	126,077	1.0%	Finance
MA Mastercard	$8,718,874	$521,818 â–²	6.4%	16,976	1.0%	Business Services
MCD McDonald's	$8,624,765	$554,945 â–²	6.9%	31,907	1.0%	Retail/Wholesale
CEG Constellation Energy	$8,538,464	$677,802 â–¼	-7.4%	34,378	1.0%	Energy
BDX Becton, Dickinson and Company	$8,432,562	$2,126,187 â–²	33.7%	55,723	1.0%	Medical
JKHY Jack Henry & Associates	$8,416,740	$1,239,660 â–²	17.3%	61,106	1.0%	Computer and Technology
MDLZ Mondelez International	$8,259,263	$110,879 â–²	1.4%	142,795	1.0%	Consumer Staples
PEP PepsiCo	$8,195,897	$209,464 â–²	2.6%	60,531	1.0%	Consumer Staples
NKE NIKE	$7,936,320	$2,389,439 â–²	43.1%	193,333	0.9%	Consumer Discretionary
ICE Intercontinental Exchange	$7,575,820	$395,799 â–²	5.5%	61,537	0.9%	Finance
VOO Vanguard S&P 500 ETF	$7,190,901		0.0%	10,470	0.8%	ETF
ZTS Zoetis	$7,115,433	$2,138,625 â–²	43.0%	99,018	0.8%	Medical
ACN Accenture	$6,765,429	$787,083 â–²	13.2%	54,367	0.8%	Computer and Technology
INTU Intuit	$6,739,020	$696,609 â–²	11.5%	25,820	0.8%	Computer and Technology
PSX Phillips 66	$6,237,776	$8,739,885 â–¼	-58.4%	36,899	0.7%	Energy
AVIG Avantis Core Fixed Income ETF	$6,029,627	$19,504 â–¼	-0.3%	145,608	0.7%	ETF
J P MORGAN EXCHANGE TRADED F	$5,775,593	$20,598 â–¼	-0.4%	107,955	0.7%	ACTIVE BOND ETF
AVLV Avantis U.S. Large Cap Value ETF	$4,109,401	$1,289,079 â–²	45.7%	45,054	0.5%	ETF
QQQ Invesco QQQ	$3,999,388		0.0%	5,431	0.5%	Finance
USFR WisdomTree Floating Rate Treasury Fund	$3,649,519	$189,819 â–²	5.5%	72,483	0.4%	Finance
AMZN Amazon.com	$3,594,406	$58,632 â–²	1.7%	15,081	0.4%	Retail/Wholesale
DIA SPDR Dow Jones Industrial Average ETF Trust	$3,289,490		0.0%	6,297	0.4%	Finance
DUHP Dimensional US High Profitability ETF	$3,184,429	$1,115,197 â–²	53.9%	76,310	0.4%	ETF
VTEB Vanguard Tax-Exempt Bond ETF	$3,008,397	$695,880 â–²	30.1%	59,478	0.4%	ETF
TFLO iShares Treasury Floating Rate Bond ETF	$2,808,092	$154,472 â–²	5.8%	55,463	0.3%	ETF
VNLA Janus Henderson Short Duration Income ETF	$2,730,625	$91,866 â–¼	-3.3%	55,881	0.3%	ETF
GOOG Alphabet	$2,658,455	$104,232 â–²	4.1%	7,524	0.3%	Computer and Technology
IWD iShares Russell 1000 Value ETF	$2,483,938		0.0%	10,246	0.3%	ETF
TSM Taiwan Semiconductor Manufacturing	$2,415,071	$243,561 â–¼	-9.2%	5,057	0.3%	Computer and Technology
ASML ASML	$2,375,391	$51,725 â–²	2.2%	1,194	0.3%	Computer and Technology
NFLX Netflix	$2,137,430	$153,724 â–²	7.7%	29,936	0.2%	Consumer Discretionary
VRTX Vertex Pharmaceuticals	$2,102,161	$176,339 â–²	9.2%	4,232	0.2%	Medical
NVO Novo Nordisk A/S	$2,006,241	$214,531 â–¼	-9.7%	41,849	0.2%	Medical
CBSH Commerce Bancshares	$1,969,679	$7,399,738 â–¼	-79.0%	34,107	0.2%	Finance
FRT Federal Realty Investment Trust	$1,928,627	$4,781,696 â–¼	-71.3%	15,624	0.2%	Finance
CRM Salesforce	$1,824,932	$113,108 â–²	6.6%	11,649	0.2%	Computer and Technology
SPY SPDR S&P 500 ETF Trust	$1,706,374	$40,326 â–²	2.4%	2,285	0.2%	Finance
BRK.B Berkshire Hathaway	$1,663,797	$166,630 â–²	11.1%	3,325	0.2%	Finance
NVDA NVIDIA	$1,661,962	$112,051 â–²	7.2%	8,306	0.2%	Computer and Technology
TYL Tyler Technologies	$1,622,276	$171,674 â–²	11.8%	5,547	0.2%	Computer and Technology
RSG Republic Services	$1,604,492	$412,736 â–²	34.6%	7,530	0.2%	Business Services
AON AON	$1,591,449	$226,213 â–²	16.6%	4,798	0.2%	Finance
COP ConocoPhillips	$1,581,959	$205,425 â–¼	-11.5%	15,217	0.2%	Energy
MSCI MSCI	$1,578,753	$30,802 â–²	2.0%	2,819	0.2%	Finance
IWF iShares Russell 1000 Growth ETF	$1,552,249	$1,162,604 â–²	298.4%	12,501	0.2%	ETF

Showing largest 100 holdings. View all holdings.

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Mattern Capital Management, LLC Top Holdings and 13F Report (2026)

About Mattern Capital Management, LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

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Mattern Capital Management, LLC Top Holdings and 13F Report (2026)

About Mattern Capital Management, LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofMattern Capital Management, LLC

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools