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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
MRK icon
151
Merck
MRK
$315B
$316K 0.04%
2,625
+2
+0.1% +$231
PAA icon
152
Plains All American Pipeline
PAA
$16.8B
$304K 0.04%
13,602
– –
EPD icon
153
Enterprise Products Partners
EPD
$82.2B
$303K 0.04%
8,002
– –
ITOT icon
154
iShares Core S&P Total US Stock Market ETF
ITOT
$93.7B
$286K 0.03%
2,010
– –
SUB icon
155
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$273K 0.03%
2,568
– –
IBDR icon
156
iShares iBonds Dec 2026 Term Corporate ETF
IBDR
$3.47B
$254K 0.03%
10,495
-12,375
-54% -$300K
MPLX icon
157
MPLX
MPLX
$58B
$245K 0.03%
4,300
– –
SHY icon
158
iShares 1-3 Year Treasury Bond ETF
SHY
$25.7B
$244K 0.03%
2,960
-26,022
-90% -$2.15M
VB icon
159
Vanguard Small-Cap ETF
VB
$79.7B
$243K 0.03%
926
-1,357
-59% -$367K
KMI icon
160
Kinder Morgan
KMI
$72.4B
$241K 0.03%
+7,180
New +$224K
IBTG icon
161
iShares iBonds Dec 2026 Term Treasury ETF
IBTG
$2.27B
$239K 0.03%
10,420
-2,186
-17% -$50.1K
DGRO icon
162
iShares Core Dividend Growth ETF
DGRO
$42.1B
$233K 0.03%
3,320
-119
-3% -$8.53K
IBTH icon
163
iShares iBonds Dec 2027 Term Treasury ETF
IBTH
$2.22B
$227K 0.03%
10,100
-2,220
-18% -$49.9K
WES icon
164
Western Midstream Partners
WES
$19B
$225K 0.03%
5,475
– –
VO icon
165
Vanguard Mid-Cap ETF
VO
$106B
$221K 0.03%
3,080
– –
TD icon
166
Toronto Dominion Bank
TD
$205B
$215K 0.03%
2,308
– –
EZU icon
167
iShare MSCI Eurozone ETF
EZU
$9.41B
$205K 0.02%
3,280
– –
IVW icon
168
iShares S&P 500 Growth ETF
IVW
$73.1B
$204K 0.02%
1,805
-1
-0.1% -$120
EMR icon
169
Emerson Electric
EMR
$77.9B
$204K 0.02%
1,555
-75,983
-98% -$10.9M
TGT icon
170
Target
TGT
$63.7B
$204K 0.02%
1,681
-86,745
-98% -$9.78M
ADBE icon
171
Adobe
ADBE
$93.5B
– –
-4,730
Closed -$1.66M
APD icon
172
Air Products & Chemicals
APD
$66.2B
– –
-34,706
Closed -$8.57M
AZO icon
173
AutoZone
AZO
$50B
– –
-248
Closed -$841K
BAX icon
174
Baxter International
BAX
$12.1B
– –
-69,020
Closed -$1.32M
BF.B icon
175
Brown-Forman Class B
BF.B
$11.9B
– –
-265,715
Closed -$6.92M
4 5 6
7
8

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FPGK
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DLP
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SEM
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NWM
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AWA
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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.