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MCM

Mattern Capital Management Portfolio holdings

AUM $835M
1-Year Est. Return 3.68%
This Fund
S&P 500
This Quarter Est. Return
+0.09%
1 Year Est. Return
+3.68%
3 Year Est. Return
+30.74%
5 Year Est. Return
+44.06%
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
AAPL icon
1
Apple
AAPL
$4.89T
$20.9M 2.46%
76,733
-2,285
-3% -$613K
MSFT icon
2
Microsoft
MSFT
$2.98T
$17.2M 2.03%
35,625
-1,595
-4% -$799K
WMT icon
3
Walmart Inc
WMT
$915B
$16M 1.88%
143,189
+1,970
+1% +$212K
COR icon
4
Cencora
COR
$59.9B
$14.4M 1.7%
42,561
-1,488
-3% -$507K
AVGO icon
5
Broadcom
AVGO
$1.78T
$13.1M 1.54%
37,776
-1,538
-4% -$550K
LOW icon
6
Lowe's Companies
LOW
$121B
$12.9M 1.52%
53,340
+605
+1% +$145K
ADI icon
7
Analog Devices
ADI
$185B
$12.9M 1.52%
47,419
-4,133
-8% -$1.04M
COST icon
8
Costco
COST
$419B
$12.6M 1.49%
14,586
+711
+5% +$644K
GWW icon
9
W.W. Grainger
GWW
$66.2B
$12.3M 1.46%
12,234
+563
+5% +$546K
AFL icon
10
Aflac
AFL
$62.6B
$12M 1.42%
108,905
+4,702
+5% +$518K
PSX icon
11
Phillips 66
PSX
$80.7B
$11.7M 1.38%
90,449
-2,638
-3% -$355K
CSCO icon
12
Cisco
CSCO
$432B
$11.6M 1.37%
151,113
+373
+0.2% +$27.7K
CB icon
13
Chubb
CB
$133B
$11.4M 1.34%
36,374
+373
+1% +$109K
AMGN icon
14
Amgen
AMGN
$201B
$11.3M 1.34%
34,576
-3,728
-10% -$1.18M
GD icon
15
General Dynamics
GD
$99.7B
$11.2M 1.32%
33,273
-1,676
-5% -$572K
BLK icon
16
Blackrock
BLK
$168B
$11.1M 1.32%
10,408
+305
+3% +$333K
NEE icon
17
NextEra Energy
NEE
$186B
$11M 1.3%
137,085
-22,955
-14% -$1.9M
SPGI icon
18
S&P Global
SPGI
$135B
$11M 1.3%
20,992
+75
+0.4% +$37.1K
BRO icon
19
Brown & Brown
BRO
$23.5B
$10.9M 1.29%
137,386
+5,007
+4% +$418K
LHX icon
20
L3Harris
LHX
$53B
$10.8M 1.27%
36,621
-2,862
-7% -$827K
LLY icon
21
Eli Lilly
LLY
$1.04T
$10.5M 1.24%
9,744
-1,169
-11% -$1.12M
LIN icon
22
Linde
LIN
$241B
$10.4M 1.22%
24,291
+924
+4% +$396K
PH icon
23
Parker-Hannifin
PH
$121B
$10.3M 1.22%
11,749
-70
-0.6% -$57.3K
EMR icon
24
Emerson Electric
EMR
$77.9B
$10.3M 1.22%
77,538
+3,275
+4% +$434K
JNJ icon
25
Johnson & Johnson
JNJ
$602B
$10.2M 1.21%
49,491
-2,160
-4% -$427K
1
2 3 4 5

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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.