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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
+2.34%
1 Year Est. Return
+3.68%
3 Year Est. Return
+30.74%
5 Year Est. Return
+44.06%
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
AAPL icon
1
Apple
AAPL
$4.9T
$17.3M 2.2%
77,684
-4,754
-6% -$1.1M
BRO icon
2
Brown & Brown
BRO
$23.5B
$14.7M 1.88%
118,562
-8,176
-6% -$914K
MSFT icon
3
Microsoft
MSFT
$2.93T
$14.1M 1.79%
37,432
-1,500
-4% -$612K
COST icon
4
Costco
COST
$417B
$13.3M 1.7%
14,083
-1,066
-7% -$1.04M
COR icon
5
Cencora
COR
$59.9B
$13.2M 1.68%
47,570
-1,128
-2% -$283K
WMT icon
6
Walmart Inc
WMT
$909B
$12.4M 1.58%
141,206
-11,160
-7% -$1.05M
LOW icon
7
Lowe's Companies
LOW
$117B
$12.3M 1.57%
52,787
+106
+0.2% +$26.1K
GWW icon
8
W.W. Grainger
GWW
$65.9B
$11.6M 1.48%
11,748
-713
-6% -$737K
AFL icon
9
Aflac
AFL
$63.5B
$11.5M 1.47%
103,488
-9,164
-8% -$972K
PSX icon
10
Phillips 66
PSX
$82.9B
$11.4M 1.45%
92,186
-2,190
-2% -$270K
CB icon
11
Chubb
CB
$137B
$11M 1.4%
36,382
-2,101
-5% -$584K
LIN icon
12
Linde
LIN
$237B
$10.9M 1.39%
23,503
-364
-2% -$164K
TSCO icon
13
Tractor Supply
TSCO
$16B
$10.6M 1.35%
193,040
-970
-0.5% -$53.1K
SPGI icon
14
S&P Global
SPGI
$133B
$10.6M 1.35%
20,908
-311
-1% -$159K
ADP icon
15
Automatic Data Processing
ADP
$102B
$10.5M 1.33%
34,217
-637
-2% -$192K
AMGN icon
16
Amgen
AMGN
$198B
$10.3M 1.31%
33,041
+364
+1% +$107K
BR icon
17
Broadridge
BR
$17.3B
$10.2M 1.3%
42,153
-2,094
-5% -$493K
UNH icon
18
UnitedHealth
UNH
$387B
$10M 1.28%
19,184
+471
+3% +$241K
CSCO icon
19
Cisco
CSCO
$441B
$10M 1.28%
162,451
-3,089
-2% -$190K
SBUX icon
20
Starbucks
SBUX
$120B
$9.96M 1.27%
101,570
-4,254
-4% -$440K
SHW icon
21
Sherwin-Williams
SHW
$81.7B
$9.95M 1.27%
28,483
+171
+0.6% +$60K
NEE icon
22
NextEra Energy
NEE
$185B
$9.93M 1.26%
140,069
-311
-0.2% -$22K
HD icon
23
Home Depot
HD
$338B
$9.73M 1.24%
26,556
+151
+0.6% +$58.8K
PAYX icon
24
Paychex
PAYX
$40.7B
$9.73M 1.24%
63,036
-1,875
-3% -$276K
GD icon
25
General Dynamics
GD
$99.7B
$9.65M 1.23%
35,407
+431
+1% +$112K
1
2 3 4 5

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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 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.