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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
+2.34%
1 Year Est. Return
+4.87%
3 Year Est. Return
+31.49%
5 Year Est. Return
+42.28%
10 Year Est. Return
–
AUM
$785M
AUM Growth
+$18M
Cap. Flow
+$9.01M
Cap. Flow %
1.15%
Top 10 Hldgs %
16.78%
Holding
167
New
7
Increased
74
Reduced
64
Closed
4

Top Buys

Rank Stock Value
1
LLY icon
Eli Lilly
LLY
+$4.75M
2
WRB icon
W.R. Berkley
WRB
+$4.51M
3
ROP icon
Roper Technologies
ROP
+$4.12M
4
APH icon
Amphenol
APH
+$3.84M
5
MA icon
Mastercard
MA
+$3.41M

Top Sells

Rank Stock Value
1
UPS icon
United Parcel Service
UPS
+$1.71M
2
AAPL icon
Apple
AAPL
+$1.1M
3
WMT icon
Walmart Inc
WMT
+$1.05M
4
COST icon
Costco
COST
+$1.04M
5
AFL icon
Aflac
AFL
+$972K

Sector Composition

Rank Sector Weight
1 Technology 16.19%
2 Financials 14.65%
3 Industrials 13.03%
4 Healthcare 12.02%
5 Consumer Staples 11.78%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IBDS icon
126
iShares iBonds Dec 2027 Term Corporate ETF
IBDS
$3.84B
$542K 0.07%
22,412
– –
IBDR icon
127
iShares iBonds Dec 2026 Term Corporate ETF
IBDR
$3.44B
$541K 0.07%
22,349
+280
+1% +$6.76K
MCO icon
128
Moody's
MCO
$82.8B
$532K 0.07%
1,143
+155
+16% +$74.7K
AAP icon
129
Advance Auto Parts
AAP
$3.35B
$523K 0.07%
13,335
+2,079
+18% +$89.2K
IEMG icon
130
iShares Core MSCI Emerging Markets ETF
IEMG
$151B
$509K 0.06%
9,435
– –
ORLY icon
131
O'Reilly Automotive
ORLY
$72.9B
$509K 0.06%
5,325
+330
+7% +$28.7K
VB icon
132
Vanguard Morningstar Small-Cap ETF
VB
$79.5B
$506K 0.06%
2,283
-38
-2% -$9.07K
ASML icon
133
ASML
ASML
$626B
$505K 0.06%
762
+158
+26% +$115K
IGSB icon
134
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23B
$499K 0.06%
+9,527
New +$495K
AVUV icon
135
Avantis US Small Cap Value ETF
AVUV
$30.5B
$477K 0.06%
5,473
+620
+13% +$58.3K
THG icon
136
Hanover Insurance
THG
$8.1B
$462K 0.06%
2,657
– –
IBDQ
137
DELISTED
iShares iBonds Dec 2025 Term Corporate ETF
IBDQ
$430K 0.05%
17,080
+67
+0.4% +$1.68K
INMU icon
138
BlackRock Intermediate Muni Income Bond ETF
INMU
$540M
$403K 0.05%
17,043
-821
-5% -$19.5K
NVDA icon
139
NVIDIA
NVDA
$4.86T
$400K 0.05%
+3,694
New +$468K
RTX icon
140
RTX Corp
RTX
$290B
$387K 0.05%
2,924
-2
-0.1% -$254
PLTR icon
141
Palantir
PLTR
$295B
$384K 0.05%
4,550
-6
-0.1% -$527
OKE icon
142
Oneok
OKE
$57.2B
$374K 0.05%
3,767
– –
ET icon
143
Energy Transfer Partners
ET
$70.1B
$353K 0.05%
19,003
-894
-4% -$17.4K
VLUE icon
144
iShares MSCI USA Value Factor ETF
VLUE
$9.13B
$347K 0.04%
3,250
-19
-0.6% -$2.07K
VNQ icon
145
Vanguard Real Estate ETF
VNQ
$39.2B
$345K 0.04%
3,815
– –
SHV icon
146
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
$328K 0.04%
+2,972
New +$328K
DFIV icon
147
Dimensional International Value ETF
DFIV
$21.4B
$317K 0.04%
8,059
+962
+14% +$36.7K
FEX icon
148
First Trust Large Cap Core AlphaDEX Fund
FEX
$1.57B
$311K 0.04%
3,032
– –
IBTG icon
149
iShares iBonds Dec 2026 Term Treasury ETF
IBTG
$2.24B
$289K 0.04%
12,606
– –
VIG icon
150
Vanguard Dividend Appreciation ETF
VIG
$111B
$287K 0.04%
1,480
-78
-5% -$15.5K
3 4 5
6
7

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Mattern Capital Management's Q1 2025 Portfolio in Review

As of Q1 2025, Mattern Capital Management held 167 positions worth $785M, up 2.3% from $767M the previous quarter. Its ten largest holdings account for 17% of the portfolio.

Mattern Capital Management's Q1 2025 filing shows 7 new, 74 increased, 64 reduced and 4 closed positions. Its largest new stake was W.R. Berkley: 73,590 shares worth $5.24M. The largest sale was United Parcel Service, an estimated $1.71M.

By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 17% a quarter earlier, followed by Financials and Industrials.

  • Mattern Capital Management's largest Q1 2025 buy was W.R. Berkley: 73,590 shares worth $5.24M.
  • Mattern Capital Management added most to Eli Lilly in Q1 2025, an estimated $4.75M increase.
  • Mattern Capital Management's biggest Q1 2025 reduction was United Parcel Service, cutting an estimated $1.71M.
  • Mattern Capital Management fully exited Vanguard Morningstar Small-Cap Value ETF in Q1 2025, selling an estimated $325K.
  • Mattern Capital Management's ten largest holdings make up 17% of its $785M portfolio in Q1 2025.
  • Mattern Capital Management opened 7 new positions and closed 4 in Q1 2025.
  • Mattern Capital Management's portfolio value rose 2.3% quarter-over-quarter to $785M.

Based on Mattern Capital Management's 13F filing for Q1 2025, filed 23 Apr 2025.