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MPM

Mountaineer Partners Management Portfolio holdings

AUM $201M
1-Year Est. Return 106.11%
This Fund
S&P 500
This Quarter Est. Return
+21.77%
1 Year Est. Return
+106.11%
3 Year Est. Return
+151.42%
5 Year Est. Return
+301.17%
10 Year Est. Return
–
AUM
$179M
AUM Growth
+$6.78M
Cap. Flow
-$22.4M
Cap. Flow %
-12.52%
Top 10 Hldgs %
76.24%
Holding
21
New
3
Increased
5
Reduced
9
Closed
4

Top Buys

Rank Stock Value
1
SXT icon
Sensient Technologies
SXT
+$11M
2
DHI icon
D.R. Horton
DHI
+$5.65M
3
ULCC icon
Frontier Group Holdings
ULCC
+$4.22M
4
CCJ icon
Cameco
CCJ
+$3.82M
5
BLDR icon
Builders FirstSource
BLDR
+$3.75M

Top Sells

Rank Stock Value
1
ECG
Everus Construction Group
ECG
+$14.6M
2
ENTG icon
Entegris
ENTG
+$11.4M
3
VSH icon
Vishay Intertechnology
VSH
+$11.4M
4
UEC icon
Uranium Energy
UEC
+$4.28M
5
HBM icon
Hudbay
HBM
+$2.84M

Sector Composition

Rank Sector Weight
1 Materials 50.19%
2 Industrials 33.96%
3 Consumer Discretionary 8.61%
4 Energy 7.24%
5 Technology 0%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CENX icon
1
Century Aluminum
CENX
$4.24B
$23.8M 13.34%
608,475
-52,568
-8% -$1.64M
HBM icon
2
Hudbay
HBM
$9.25B
$15.6M 8.74%
787,247
-168,172
-18% -$2.84M
ATI icon
3
ATI
ATI
$25.4B
$14.8M 8.28%
128,909
-15,111
-10% -$1.47M
FCX icon
4
Freeport-McMoran
FCX
$84.5B
$13.5M 7.57%
266,327
-27,722
-9% -$1.2M
AA icon
5
Alcoa
AA
$11.5B
$12.9M 7.2%
241,994
-54,648
-18% -$2.24M
CSTM icon
6
Constellium
CSTM
$3.78B
$12.8M 7.19%
681,464
-152,312
-18% -$2.53M
CRS icon
7
Carpenter Technology
CRS
$27.6B
$11.6M 6.46%
36,690
-4,159
-10% -$1.25M
SXT icon
8
Sensient Technologies
SXT
$4.67B
$11M 6.16%
+117,090
New +$11M
SARO
9
StandardAero Inc
SARO
$8.86B
$10.5M 5.9%
367,498
+76,768
+26% +$2.09M
BLDR icon
10
Builders FirstSource
BLDR
$7.82B
$9.68M 5.42%
94,091
+33,332
+55% +$3.75M
KEX icon
11
Kirby Corp
KEX
$7.73B
$9.63M 5.39%
87,444
+22,013
+34% +$2.24M
DHI icon
12
D.R. Horton
DHI
$41.1B
$9.36M 5.24%
65,004
+37,128
+133% +$5.65M
AMBP icon
13
Ardagh Metal Packaging
AMBP
$2.69B
$6.02M 3.37%
1,469,480
-69,004
-4% -$262K
NXE icon
14
NexGen Energy
NXE
$5.78B
$4.95M 2.77%
538,042
-26,465
-5% -$234K
ULCC icon
15
Frontier Group Holdings
ULCC
$1.43B
$4.49M 2.51%
+953,375
New +$4.22M
SJT
16
San Juan Basin Royalty Trust
SJT
$126M
$4.12M 2.3%
732,351
+13,297
+2% +$77K
CCJ icon
17
Cameco
CCJ
$37B
$3.88M 2.17%
+42,424
New +$3.82M
ENTG icon
18
Entegris
ENTG
$20.4B
– –
-123,234
Closed -$11.4M
UEC icon
19
Uranium Energy
UEC
$4.65B
– –
-320,952
Closed -$4.28M
VSH icon
20
Vishay Intertechnology
VSH
$5.73B
– –
-742,177
Closed -$11.4M
ECG
21
Everus Construction Group
ECG
$6.71B
– –
-169,844
Closed -$14.6M

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ACM
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NME
Notis-McConarty Edward $201M AUM 18.67% 1-Year Est. Return
SIA
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LS
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FB
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LWMI
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RCM
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Mountaineer Partners Management's Q4 2025 Portfolio in Review

As of Q4 2025, Mountaineer Partners Management held 21 positions worth $179M, up 3.9% from $172M the previous quarter. Its ten largest holdings account for 76% of the portfolio.

Mountaineer Partners Management withdrew a net $22.4M in Q4 2025, closing 4 positions and reducing 9 holdings. Its most notable exit was Everus Construction Group, an estimated $14.6M position sold in full.

By sector, the portfolio is most concentrated in Materials at 50% of assets, up from 39% a quarter earlier, followed by Industrials and Consumer Discretionary.

Against the trend, Mountaineer Partners Management opened a new position in Sensient Technologies worth $11M.

  • Mountaineer Partners Management's largest Q4 2025 buy was Sensient Technologies: 117,090 shares worth $11M.
  • Mountaineer Partners Management added most to D.R. Horton in Q4 2025, an estimated $5.65M increase.
  • Mountaineer Partners Management's biggest Q4 2025 reduction was Hudbay, cutting an estimated $2.84M.
  • Mountaineer Partners Management fully exited Everus Construction Group in Q4 2025, selling an estimated $14.6M.
  • Mountaineer Partners Management's ten largest holdings make up 76% of its $179M portfolio in Q4 2025.
  • Mountaineer Partners Management opened 3 new positions and closed 4 in Q4 2025.
  • Mountaineer Partners Management's portfolio value rose 3.9% quarter-over-quarter to $179M.

Based on Mountaineer Partners Management's 13F filing for Q4 2025, filed 13 Feb 2026.