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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
-1.89%
1 Year Est. Return
+3.68%
3 Year Est. Return
+30.74%
5 Year Est. Return
+44.06%
10 Year Est. Return
–
AUM
$835M
AUM Growth
-$12.1M
Cap. Flow
+$11.7M
Cap. Flow %
1.4%
Top 10 Hldgs %
16.96%
Holding
179
New
9
Increased
83
Reduced
55
Closed
9

Top Buys

Rank Stock Value
1
MSI icon
Motorola Solutions
MSI
+$10.6M
2
TT icon
Trane Technologies
TT
+$10M
3
WM icon
Waste Management
WM
+$8.63M
4
INTU icon
Intuit
INTU
+$5.05M
5
CEG icon
Constellation Energy
CEG
+$4.1M

Top Sells

Rank Stock Value
1
EMR icon
Emerson Electric
EMR
+$10.9M
2
TGT icon
Target
TGT
+$9.78M
3
APD icon
Air Products & Chemicals
APD
+$8.57M
4
BF.B icon
Brown-Forman Class B
BF.B
+$6.92M
5
WMT icon
Walmart Inc
WMT
+$6.75M

Sector Composition

Rank Sector Weight
1 Technology 20.1%
2 Financials 13.54%
3 Healthcare 11.58%
4 Industrials 11.48%
5 Utilities 9.67%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FDS icon
26
Factset
FDS
$9.18B
$10.1M 1.21%
46,708
+16,317
+54% +$3.81M
ADP icon
27
Automatic Data Processing
ADP
$102B
$10M 1.2%
49,385
+12,897
+35% +$2.96M
INTU icon
28
Intuit
INTU
$79.6B
$10M 1.2%
23,151
+10,595
+84% +$5.05M
BLK icon
29
Blackrock
BLK
$166B
$9.99M 1.2%
10,387
-21
-0.2% -$22.1K
NJR icon
30
New Jersey Resources
NJR
$5.91B
$9.89M 1.18%
180,016
-1,202
-0.7% -$62.1K
PAYX icon
31
Paychex
PAYX
$40.7B
$9.88M 1.18%
107,298
+33,710
+46% +$3.34M
TT icon
32
Trane Technologies
TT
$104B
$9.85M 1.18%
+23,635
New +$10M
WM icon
33
Waste Management
WM
$96.1B
$9.73M 1.17%
42,361
+37,547
+780% +$8.63M
PLD icon
34
Prologis
PLD
$140B
$9.58M 1.15%
72,475
-674
-0.9% -$90.1K
ACN icon
35
Accenture
ACN
$87.9B
$9.53M 1.14%
48,042
+12,084
+34% +$2.82M
ECL icon
36
Ecolab
ECL
$76.8B
$9.45M 1.13%
35,517
-259
-0.7% -$73.1K
SHW icon
37
Sherwin-Williams
SHW
$81.7B
$9.38M 1.12%
29,267
+201
+0.7% +$69.2K
BRO icon
38
Brown & Brown
BRO
$23.5B
$9.31M 1.11%
142,695
+5,309
+4% +$383K
SPGI icon
39
S&P Global
SPGI
$133B
$9.29M 1.11%
21,839
+847
+4% +$393K
MCD icon
40
McDonald's
MCD
$190B
$9.28M 1.11%
29,854
+36
+0.1% +$11.5K
ITW icon
41
Illinois Tool Works
ITW
$79.4B
$9.23M 1.11%
35,455
-175
-0.5% -$47.6K
ICE icon
42
Intercontinental Exchange
ICE
$79B
$9.17M 1.1%
58,322
-1,137
-2% -$185K
PEP icon
43
PepsiCo
PEP
$187B
$9.16M 1.1%
58,984
+579
+1% +$90.2K
XYL icon
44
Xylem
XYL
$29.2B
$9.05M 1.08%
75,709
+2,441
+3% +$320K
HD icon
45
Home Depot
HD
$338B
$8.97M 1.07%
27,262
+71
+0.3% +$25.9K
TSCO icon
46
Tractor Supply
TSCO
$16B
$8.95M 1.07%
197,679
+3,368
+2% +$172K
CL icon
47
Colgate-Palmolive
CL
$74.4B
$8.89M 1.06%
104,252
-1,348
-1% -$120K
LLY icon
48
Eli Lilly
LLY
$1.05T
$8.83M 1.06%
9,597
-147
-2% -$149K
SYK icon
49
Stryker
SYK
$123B
$8.76M 1.05%
26,650
+211
+0.8% +$75.8K
CTAS icon
50
Cintas
CTAS
$81.8B
$8.75M 1.05%
51,728
+729
+1% +$140K
1
2
3 4 5

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Mattern Capital Management's Q1 2026 Portfolio in Review

As of Q1 2026, Mattern Capital Management held 179 positions worth $835M, down 1.4% from $847M the previous quarter. Its ten largest holdings account for 17% of the portfolio.

Mattern Capital Management's Q1 2026 filing shows 9 new, 83 increased, 55 reduced and 9 closed positions. Its largest new stake was Motorola Solutions: 24,556 shares worth $10.7M. The largest sale was Emerson Electric, an estimated $10.9M.

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

  • Mattern Capital Management's largest Q1 2026 buy was Motorola Solutions: 24,556 shares worth $10.7M.
  • Mattern Capital Management added most to Waste Management in Q1 2026, an estimated $8.63M increase.
  • Mattern Capital Management's biggest Q1 2026 reduction was Emerson Electric, cutting an estimated $10.9M.
  • Mattern Capital Management fully exited Air Products & Chemicals in Q1 2026, selling an estimated $8.57M.
  • Mattern Capital Management's ten largest holdings make up 17% of its $835M portfolio in Q1 2026.
  • Mattern Capital Management opened 9 new positions and closed 9 in Q1 2026.
  • Mattern Capital Management's portfolio value fell 1.4% quarter-over-quarter to $835M.

Based on Mattern Capital Management's 13F filing for Q1 2026, filed 4 May 2026.