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MCM

Mattern Capital Management Portfolio holdings

AUM $857M
1-Year Est. Return 4.87%
This Fund
S&P 500
This Quarter Est. Return
+3.11%
1 Year Est. Return
+4.87%
3 Year Est. Return
+31.49%
5 Year Est. Return
+42.28%
10 Year Est. Return
–
AUM
$832M
AUM Growth
+$47M
Cap. Flow
+$35M
Cap. Flow %
4.2%
Top 10 Hldgs %
16.64%
Holding
170
New
7
Increased
136
Reduced
11
Closed
–

Top Buys

Rank Stock Value
1
JBND icon
JPMorgan Active Bond ETF
JBND
+$5.52M
2
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$2.61M
3
ROP icon
Roper Technologies
ROP
+$1.39M
4
APH icon
Amphenol
APH
+$1.13M
5
QQQ icon
Invesco QQQ Trust
QQQ
+$1.03M

Top Sells

Rank Stock Value
1
UPS icon
United Parcel Service
UPS
+$451K
2
DFAT icon
Dimensional US Targeted Value ETF
DFAT
+$255K
3
COR icon
Cencora
COR
+$171K
4
QUAL icon
iShares MSCI USA Quality Factor ETF
QUAL
+$140K
5
VLUE icon
iShares MSCI USA Value Factor ETF
VLUE
+$56.4K

Sector Composition

Rank Sector Weight
1 Technology 17.7%
2 Financials 14.24%
3 Industrials 13.46%
4 Consumer Staples 11.05%
5 Healthcare 10.81%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CTAS icon
26
Cintas
CTAS
$84.4B
$10.1M 1.21%
45,286
+112
+0.2% +$24.1K
ICE icon
27
Intercontinental Exchange
ICE
$84.1B
$10.1M 1.21%
54,858
+285
+0.5% +$49K
SHW icon
28
Sherwin-Williams
SHW
$80.7B
$9.92M 1.19%
28,893
+410
+1% +$142K
HD icon
29
Home Depot
HD
$335B
$9.91M 1.19%
27,030
+474
+2% +$172K
NEE icon
30
NextEra Energy
NEE
$185B
$9.89M 1.19%
142,496
+2,427
+2% +$169K
TXN icon
31
Texas Instruments
TXN
$255B
$9.86M 1.18%
47,506
+1,134
+2% +$201K
ECL icon
32
Ecolab
ECL
$76.4B
$9.78M 1.18%
36,311
+190
+0.5% +$48.3K
HON icon
33
Honeywell
HON
$77.9B
$9.74M 1.17%
44,386
+1,209
+3% +$245K
ABT icon
34
Abbott
ABT
$182B
$9.68M 1.16%
71,147
+706
+1% +$93.1K
SBUX icon
35
Starbucks
SBUX
$118B
$9.55M 1.15%
104,270
+2,700
+3% +$234K
LMT icon
36
Lockheed Martin
LMT
$134B
$9.54M 1.15%
20,603
+272
+1% +$127K
ATO icon
37
Atmos Energy
ATO
$29.7B
$9.49M 1.14%
61,590
+99
+0.2% +$15.4K
AMGN icon
38
Amgen
AMGN
$203B
$9.46M 1.14%
33,893
+852
+3% +$241K
APD icon
39
Air Products & Chemicals
APD
$65.2B
$9.32M 1.12%
33,042
+737
+2% +$202K
PAYX icon
40
Paychex
PAYX
$41.1B
$9.21M 1.11%
63,344
+308
+0.5% +$46.4K
UNP icon
41
Union Pacific
UNP
$178B
$9.1M 1.09%
39,549
+968
+3% +$215K
JKHY icon
42
Jack Henry & Associates
JKHY
$10.9B
$9M 1.08%
49,962
+373
+0.8% +$66.2K
ACN icon
43
Accenture
ACN
$94.3B
$8.92M 1.07%
29,830
+898
+3% +$273K
FDS icon
44
Factset
FDS
$9.46B
$8.89M 1.07%
19,875
+233
+1% +$102K
WEC icon
45
WEC Energy
WEC
$37.1B
$8.83M 1.06%
84,753
+775
+0.9% +$82.5K
CBSH icon
46
Commerce Bancshares
CBSH
$8.49B
$8.82M 1.06%
148,915
+690
+0.5% +$40.5K
CL icon
47
Colgate-Palmolive
CL
$73.6B
$8.79M 1.06%
96,701
+1,396
+1% +$127K
MCD icon
48
McDonald's
MCD
$192B
$8.76M 1.05%
29,970
+422
+1% +$130K
MDT icon
49
Medtronic
MDT
$108B
$8.73M 1.05%
100,206
+1,372
+1% +$116K
V icon
50
Visa
V
$689B
$8.73M 1.05%
24,580
+560
+2% +$195K
1
2
3 4 5

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BIM
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NOCM
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OAM
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Mattern Capital Management's Q2 2025 Portfolio in Review

As of Q2 2025, Mattern Capital Management held 170 positions worth $832M, up 6% from $785M the previous quarter. Its ten largest holdings account for 17% of the portfolio.

Mattern Capital Management deployed $35M of net new capital in Q2 2025, opening 7 new positions and adding to 136 existing holdings. Its largest new stake was JPMorgan Active Bond ETF: 104,228 shares worth $5.59M.

By sector, the portfolio is most concentrated in Technology at 18% of assets, up from 16% a quarter earlier, followed by Financials and Industrials.

On the sell side, the largest reduction was United Parcel Service, an estimated $451K trimmed.

  • Mattern Capital Management's largest Q2 2025 buy was JPMorgan Active Bond ETF: 104,228 shares worth $5.59M.
  • Mattern Capital Management added most to Roper Technologies in Q2 2025, an estimated $1.39M increase.
  • Mattern Capital Management's biggest Q2 2025 reduction was United Parcel Service, cutting an estimated $451K.
  • Mattern Capital Management's ten largest holdings make up 17% of its $832M portfolio in Q2 2025.
  • Mattern Capital Management opened 7 new positions and closed 0 in Q2 2025.
  • Mattern Capital Management's portfolio value rose 6% quarter-over-quarter to $832M.

Based on Mattern Capital Management's 13F filing for Q2 2025, filed 21 Jul 2025.