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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
NVDA icon
101
NVIDIA
NVDA
$4.6T
$1.27M 0.15%
8,028
+4,334
+117% +$545K
DG icon
102
Dollar General
DG
$28.4B
$1.24M 0.15%
10,871
+849
+8% +$84.3K
BRK.B icon
103
Berkshire Hathaway Class B
BRK.B
$1.1T
$1.22M 0.15%
2,509
+337
+16% +$171K
CVX icon
104
Chevron
CVX
$382B
$1.17M 0.14%
8,196
+1,536
+23% +$217K
AON icon
105
Aon
AON
$80.6B
$1.15M 0.14%
3,237
+358
+12% +$130K
COP icon
106
ConocoPhillips
COP
$144B
$1.12M 0.14%
12,535
+2,702
+27% +$243K
VEA icon
107
Vanguard FTSE Developed Markets ETF
VEA
$223B
$1.08M 0.13%
18,878
+1,528
+9% +$81.8K
DUHP icon
108
Dimensional US High Profitability ETF
DUHP
$12.1B
$1.07M 0.13%
30,074
+2,323
+8% +$77.6K
VRTX icon
109
Vertex Pharmaceuticals
VRTX
$123B
$1.04M 0.12%
2,332
+396
+20% +$182K
ULTA icon
110
Ulta Beauty
ULTA
$21.8B
$1.03M 0.12%
2,199
+172
+8% +$71.1K
ADBE icon
111
Adobe
ADBE
$105B
$1.02M 0.12%
2,638
+15
+0.6% +$5.78K
INTU icon
112
Intuit
INTU
$91.1B
$1.02M 0.12%
1,294
+135
+12% +$91.4K
BAX icon
113
Baxter International
BAX
$12.8B
$936K 0.11%
30,918
+5,862
+23% +$178K
NVO
114
Novo Nordisk
NVO
$228B
$906K 0.11%
13,127
+4,784
+57% +$325K
CSGP icon
115
CoStar Group
CSGP
$12.2B
$889K 0.11%
11,063
+1,173
+12% +$91.4K
QUAL icon
116
iShares MSCI USA Quality Factor ETF
QUAL
$45.7B
$873K 0.1%
4,774
-809
-14% -$140K
RSG icon
117
Republic Services
RSG
$67.4B
$858K 0.1%
3,481
+499
+17% +$123K
QCOM icon
118
Qualcomm
QCOM
$164B
$848K 0.1%
5,323
+47
+0.9% +$6.92K
IGSB icon
119
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23B
$846K 0.1%
16,041
+6,514
+68% +$340K
ISTB icon
120
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.11B
$824K 0.1%
16,945
+64
+0.4% +$3.09K
WM icon
121
Waste Management
WM
$95B
$810K 0.1%
3,542
+520
+17% +$121K
AXP icon
122
American Express
AXP
$224B
$804K 0.1%
2,522
+415
+20% +$117K
AZO icon
123
AutoZone
AZO
$51.3B
$754K 0.09%
203
+25
+14% +$92.2K
ASML icon
124
ASML
ASML
$596B
$732K 0.09%
914
+152
+20% +$109K
MRSH
125
Marsh
MRSH
$94.3B
$722K 0.09%
3,302
+536
+19% +$121K
3 4
5
6 7

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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.