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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
LHX icon
26
L3Harris
LHX
$48.8B
$10.6M 1.24%
36,645
+1,904
+5% +$605K
HD icon
27
Home Depot
HD
$317B
$10.6M 1.24%
30,013
+2,751
+10% +$895K
WMT icon
28
Walmart Inc
WMT
$860B
$10.6M 1.24%
93,445
+5,228
+6% +$649K
PAYX icon
29
Paychex
PAYX
$44.5B
$10.6M 1.23%
107,571
+273
+0.3% +$25.8K
ADI icon
30
Analog Devices
ADI
$173B
$10.5M 1.22%
26,398
-126
-0.5% -$49.9K
JPM icon
31
JPMorgan Chase
JPM
$962B
$10.4M 1.21%
31,711
+26,516
+510% +$8.23M
ECL icon
32
Ecolab
ECL
$78.2B
$10.3M 1.2%
36,966
+1,449
+4% +$382K
MSI icon
33
Motorola Solutions
MSI
$78.2B
$10.3M 1.2%
24,690
+134
+0.5% +$56.1K
ATO icon
34
Atmos Energy
ATO
$28.6B
$10.2M 1.19%
59,371
-335
-0.6% -$60K
BLK icon
35
Blackrock
BLK
$174B
$10.2M 1.19%
10,621
+234
+2% +$242K
AMGN icon
36
Amgen
AMGN
$240B
$10.1M 1.18%
28,008
+4,118
+17% +$1.41M
JNJ icon
37
Johnson & Johnson
JNJ
$671B
$10.1M 1.18%
39,870
+4,526
+13% +$1.05M
V icon
38
Visa
V
$707B
$10.1M 1.18%
29,508
+2,548
+9% +$818K
PH icon
39
Parker-Hannifin
PH
$122B
$9.92M 1.16%
10,138
+1,053
+12% +$965K
ABT icon
40
Abbott
ABT
$188B
$9.89M 1.15%
109,046
+3,158
+3% +$288K
ITW icon
41
Illinois Tool Works
ITW
$77.4B
$9.88M 1.15%
36,515
+1,060
+3% +$275K
XYL icon
42
Xylem
XYL
$25.2B
$9.86M 1.15%
83,398
+7,689
+10% +$888K
WM icon
43
Waste Management
WM
$88.6B
$9.84M 1.15%
44,162
+1,801
+4% +$401K
SPGI icon
44
S&P Global
SPGI
$133B
$9.83M 1.15%
24,125
+2,286
+10% +$965K
ROP icon
45
Roper Technologies
ROP
$41.8B
$9.82M 1.15%
29,027
-27
-0.1% -$9.21K
NJR icon
46
New Jersey Resources
NJR
$5.45B
$9.79M 1.14%
174,671
-5,345
-3% -$299K
SYK icon
47
Stryker
SYK
$118B
$9.78M 1.14%
31,079
+4,429
+17% +$1.4M
PLD icon
48
Prologis
PLD
$131B
$9.67M 1.13%
71,369
-1,106
-2% -$157K
CL icon
49
Colgate-Palmolive
CL
$71.8B
$9.58M 1.12%
104,479
+227
+0.2% +$19.9K
CTAS icon
50
Cintas
CTAS
$80.5B
$9.51M 1.11%
55,902
+4,174
+8% +$722K
1
2
3 4 5

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PFA
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AIMC
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SFO
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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.