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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
+0.09%
1 Year Est. Return
+4.87%
3 Year Est. Return
+31.49%
5 Year Est. Return
+42.28%
10 Year Est. Return
–
AUM
$847M
AUM Growth
-$3.63M
Cap. Flow
+$46.3K
Cap. Flow %
0.01%
Top 10 Hldgs %
17.02%
Holding
176
New
4
Increased
96
Reduced
43
Closed
6

Top Buys

Rank Stock Value
1
FDS icon
Factset
FDS
+$2.8M
2
ROP icon
Roper Technologies
ROP
+$2.3M
3
BF.B icon
Brown-Forman Class B
BF.B
+$2.02M
4
ZTS icon
Zoetis
ZTS
+$1.62M
5
INTU icon
Intuit
INTU
+$1.52M

Top Sells

Rank Stock Value
1
SBUX icon
Starbucks
SBUX
+$8.27M
2
HON icon
Honeywell
HON
+$8.11M
3
CMCSA icon
Comcast
CMCSA
+$7.38M
4
APH icon
Amphenol
APH
+$2.36M
5
NEE icon
NextEra Energy
NEE
+$1.9M

Sector Composition

Rank Sector Weight
1 Technology 19.79%
2 Financials 13.69%
3 Healthcare 12.31%
4 Consumer Staples 11.29%
5 Industrials 10.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DFEV icon
151
Dimensional Emerging Markets Value ETF
DFEV
$1.93B
$319K 0.04%
9,459
+904
+11% +$29.8K
ET icon
152
Energy Transfer Partners
ET
$70.1B
$313K 0.04%
19,003
– –
NVS icon
153
Novartis
NVS
$297B
$305K 0.04%
2,211
– –
ITOT icon
154
iShares Core S&P Total US Stock Market ETF
ITOT
$94.3B
$299K 0.04%
2,010
-158
-7% -$23.3K
IBTG icon
155
iShares iBonds Dec 2026 Term Treasury ETF
IBTG
$2.24B
$288K 0.03%
12,606
– –
OKE icon
156
Oneok
OKE
$57.2B
$277K 0.03%
3,767
– –
IBTH icon
157
iShares iBonds Dec 2027 Term Treasury ETF
IBTH
$2.25B
$277K 0.03%
12,320
– –
MRK icon
158
Merck
MRK
$322B
$276K 0.03%
2,623
– –
SUB icon
159
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$274K 0.03%
2,568
-95
-4% -$10.1K
EPD icon
160
Enterprise Products Partners
EPD
$82.3B
$257K 0.03%
8,002
– –
SOLS
161
Solstice Advanced Materials
SOLS
$9.56B
$256K 0.03%
+5,277
New +$248K
PAA icon
162
Plains All American Pipeline
PAA
$17.3B
$244K 0.03%
13,602
– –
DGRO icon
163
iShares Core Dividend Growth ETF
DGRO
$42.7B
$239K 0.03%
3,439
-235
-6% -$16.2K
MPLX icon
164
MPLX
MPLX
$59.3B
$229K 0.03%
4,300
– –
VO icon
165
Vanguard Morningstar Mid-Cap ETF
VO
$106B
$223K 0.03%
3,080
– –
IVW icon
166
iShares S&P 500 Growth ETF
IVW
$73.8B
$223K 0.03%
1,806
-69
-4% -$8.45K
IVV icon
167
iShares Core S&P 500 ETF
IVV
$878B
$222K 0.03%
324
+2
+0.6% +$1.36K
TD icon
168
Toronto Dominion Bank
TD
$198B
$217K 0.03%
+2,308
New +$195K
WES icon
169
Western Midstream Partners
WES
$19.2B
$216K 0.03%
5,475
– –
EZU icon
170
iShare MSCI Eurozone ETF
EZU
$9.64B
$210K 0.02%
3,280
– –
AAP icon
171
Advance Auto Parts
AAP
$3.35B
– –
-16,059
Closed -$986K
CMCSA icon
172
Comcast
CMCSA
$85B
– –
-234,941
Closed -$7.38M
IBDQ
173
DELISTED
iShares iBonds Dec 2025 Term Corporate ETF
IBDQ
– –
-17,625
Closed -$444K
IBTF
174
DELISTED
iShares iBonds Dec 2025 Term Treasury ETF
IBTF
– –
-11,720
Closed -$274K
KMI icon
175
Kinder Morgan
KMI
$71.7B
– –
-7,180
Closed -$203K
4 5 6
7
8

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OAM
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Mattern Capital Management's Q4 2025 Portfolio in Review

As of Q4 2025, Mattern Capital Management held 176 positions worth $847M, down 0.43% from $851M the previous quarter. Its ten largest holdings account for 17% of the portfolio.

Mattern Capital Management's Q4 2025 filing shows 4 new, 96 increased, 43 reduced and 6 closed positions. Its largest new stake was Tyler Technologies: 2,122 shares worth $963K. The largest sale was Starbucks, an estimated $8.27M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Healthcare.

  • Mattern Capital Management's largest Q4 2025 buy was Tyler Technologies: 2,122 shares worth $963K.
  • Mattern Capital Management added most to Factset in Q4 2025, an estimated $2.8M increase.
  • Mattern Capital Management's biggest Q4 2025 reduction was Starbucks, cutting an estimated $8.27M.
  • Mattern Capital Management fully exited Comcast in Q4 2025, selling an estimated $7.38M.
  • Mattern Capital Management's ten largest holdings make up 17% of its $847M portfolio in Q4 2025.
  • Mattern Capital Management opened 4 new positions and closed 6 in Q4 2025.
  • Mattern Capital Management's portfolio value fell 0.43% quarter-over-quarter to $847M.

Based on Mattern Capital Management's 13F filing for Q4 2025, filed 29 Jan 2026.