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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
+4.29%
1 Year Est. Return
+4.87%
3 Year Est. Return
+31.49%
5 Year Est. Return
+42.28%
10 Year Est. Return
–
AUM
$857M
AUM Growth
+$21.9M
Cap. Flow
+$7M
Cap. Flow %
0.82%
Top 10 Hldgs %
17.02%
Holding
173
New
3
Increased
92
Reduced
44
Closed
7

Top Buys

Rank Stock Value
1
JPM icon
JPMorgan Chase
JPM
+$8.23M
2
TSCO icon
Tractor Supply
TSCO
+$3M
3
ZTS icon
Zoetis
ZTS
+$2.8M
4
NKE icon
Nike
NKE
+$2.56M
5
BDX icon
Becton Dickinson
BDX
+$2.1M

Top Sells

Rank Stock Value
1
PSX icon
Phillips 66
PSX
+$8.9M
2
PPG icon
PPG Industries
PPG
+$7.89M
3
CBSH icon
Commerce Bancshares
CBSH
+$6.72M
4
MKC icon
McCormick & Company Non-Voting
MKC
+$6.24M
5
FRT icon
Federal Realty Investment Trust
FRT
+$4.51M

Sector Composition

Rank Sector Weight
1 Technology 21.32%
2 Financials 14.51%
3 Healthcare 12.76%
4 Industrials 12.12%
5 Utilities 8.75%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PWZ icon
126
Invesco California AMT-Free Municipal Bond ETF
PWZ
$1.2B
$766K 0.09%
31,256
+273
+0.9% +$6.62K
CMF icon
127
iShares California Muni Bond ETF
CMF
$4.59B
$700K 0.08%
12,144
+91
+0.8% +$5.21K
RTX icon
128
RTX Corp
RTX
$270B
$596K 0.07%
3,142
-2
-0.1% -$367
THG icon
129
Hanover Insurance
THG
$7.96B
$593K 0.07%
2,769
+112
+4% +$21.2K
PPG icon
130
PPG Industries
PPG
$25B
$585K 0.07%
4,824
-70,855
-94% -$7.89M
GOOGL icon
131
Alphabet (Google) Class A
GOOGL
$4.14T
$562K 0.07%
1,572
+216
+16% +$77.8K
PLTR icon
132
Palantir
PLTR
$418B
$548K 0.06%
4,697
+66
+1% +$9K
XOM icon
133
ExxonMobil
XOM
$657B
$507K 0.06%
3,708
+211
+6% +$31.6K
LMT icon
134
Lockheed Martin
LMT
$121B
$496K 0.06%
974
– –
SBUX icon
135
Starbucks
SBUX
$119B
$453K 0.05%
4,432
-227
-5% -$22.9K
VLUE icon
136
iShares MSCI USA Value Factor ETF
VLUE
$9.88B
$449K 0.05%
2,245
-240
-10% -$43K
PWR icon
137
Quanta Services
PWR
$93.6B
$439K 0.05%
610
– –
FEX icon
138
First Trust Large Cap Core AlphaDEX Fund
FEX
$1.6B
$424K 0.05%
3,032
– –
WDAY icon
139
Workday
WDAY
$47.4B
$408K 0.05%
3,330
– –
VIG icon
140
Vanguard Dividend Appreciation ETF
VIG
$113B
$404K 0.05%
1,706
– –
IBDS icon
141
iShares iBonds Dec 2027 Term Corporate ETF
IBDS
$3.9B
$403K 0.05%
16,645
– –
ISTB icon
142
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.08B
$379K 0.04%
7,855
– –
INMU icon
143
BlackRock Intermediate Muni Income Bond ETF
INMU
$551M
$374K 0.04%
15,418
-100
-0.6% -$2.41K
ET icon
144
Energy Transfer Partners
ET
$74B
$363K 0.04%
19,003
– –
MRK icon
145
Merck
MRK
$371B
$348K 0.04%
2,706
+81
+3% +$9.48K
NVS icon
146
Novartis
NVS
$304B
$347K 0.04%
2,211
– –
ITOT icon
147
iShares Core S&P Total US Stock Market ETF
ITOT
$97.6B
$330K 0.04%
2,010
– –
OKE icon
148
Oneok
OKE
$60B
$328K 0.04%
3,767
– –
IEMG icon
149
iShares Core MSCI Emerging Markets ETF
IEMG
$164B
$324K 0.04%
3,915
-5,780
-60% -$461K
PAA icon
150
Plains All American Pipeline
PAA
$18.1B
$303K 0.04%
13,602
– –
3 4 5
6
7

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AAM
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PFA
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AIMC
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SFO
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QIM
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UW
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PWG
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Mattern Capital Management's Q2 2026 Portfolio in Review

As of Q2 2026, Mattern Capital Management held 173 positions worth $857M, up 2.6% from $835M the previous quarter. Its ten largest holdings account for 17% of the portfolio.

Mattern Capital Management's Q2 2026 filing shows 3 new, 92 increased, 44 reduced and 7 closed positions. Its largest new stake was Advanced Micro Devices: 491 shares worth $285K. The largest sale was Phillips 66, an estimated $8.9M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Financials and Healthcare.

  • Mattern Capital Management's largest Q2 2026 buy was Advanced Micro Devices: 491 shares worth $285K.
  • Mattern Capital Management added most to JPMorgan Chase in Q2 2026, an estimated $8.23M increase.
  • Mattern Capital Management's biggest Q2 2026 reduction was Phillips 66, cutting an estimated $8.9M.
  • Mattern Capital Management fully exited McCormick & Company Non-Voting in Q2 2026, selling an estimated $6.24M.
  • Mattern Capital Management's ten largest holdings make up 17% of its $857M portfolio in Q2 2026.
  • Mattern Capital Management opened 3 new positions and closed 7 in Q2 2026.
  • Mattern Capital Management's portfolio value rose 2.6% quarter-over-quarter to $857M.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.