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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
+25.11%
1 Year Est. Return
+106.11%
3 Year Est. Return
+151.42%
5 Year Est. Return
+301.17%
10 Year Est. Return
–
AUM
$151M
AUM Growth
+$46.8M
(+45%)
Cap. Flow
+$22.7M
Cap. Flow
% of AUM
15.02%
Top 10 Holdings %
Top 10 Hldgs %
74.55%
Holding
17
New
3
Increased
8
Reduced
3
Closed
1
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Carpenter Technology
CRS
|
+$8.72M |
| 2 |
SARO
StandardAero Inc
SARO
|
+$8.15M |
| 3 |
Kirby Corp
KEX
|
+$6.86M |
| 4 |
Constellium
CSTM
|
+$3.41M |
| 5 |
Entegris
ENTG
|
+$2.1M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
D.R. Horton
DHI
|
+$6.82M |
| 2 |
ATI
ATI
|
+$4M |
| 3 |
ECG
Everus Construction Group
ECG
|
+$1.04M |
| 4 |
Hudbay
HBM
|
+$305K |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 38.78% |
| 2 | Materials | 36.91% |
| 3 | Technology | 14.52% |
| 4 | Energy | 5.43% |
| 5 | Consumer Discretionary | 4.35% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
ECG
1
Everus Construction Group
ECG
$6.63B
| $13.1M | 8.66% |
206,218
-20,639
| -9% | -$1.04M |
|
2
Century Aluminum
CENX
$4.57B
| $12.7M | 8.4% |
705,150
+65,777
| +10% | +$1.12M |
|
|
3
Hudbay
HBM
$9.92B
| $11.9M | 7.89% |
1,124,432
-36,623
| -3% | -$305K |
|
4
Vishay Intertechnology
VSH
$5.86B
| $11.8M | 7.79% |
742,505
+83,027
| +13% | +$1.15M |
|
|
5
Constellium
CSTM
$3.96B
| $11.2M | 7.43% |
845,682
+303,614
| +56% | +$3.41M |
|
|
6
Carpenter Technology
CRS
$30B
| $11.1M | 7.3% |
+39,982
| New | +$8.72M |
|
7
Freeport-McMoran
FCX
$90B
| $11M | 7.25% |
252,961
+2,403
| +1% | +$91.3K |
|
|
8
ATI
ATI
$27B
| $10.6M | 7.02% |
122,970
-58,405
| -32% | -$4M |
|
|
9
Entegris
ENTG
$19.7B
| $10.2M | 6.73% |
126,230
+27,701
| +28% | +$2.1M |
|
|
SARO
10
StandardAero Inc
SARO
$9.54B
| $9.2M | 6.08% |
+290,730
| New | +$8.15M |
|
11
Alcoa
AA
$11.7B
| $8.99M | 5.94% |
304,781
+38,816
| +15% | +$1.05M |
|
|
12
Kirby Corp
KEX
$7.95B
| $7.42M | 4.9% |
+65,431
| New | +$6.86M |
|
13
Builders FirstSource
BLDR
$7.84B
| $7.29M | 4.82% |
62,464
+4,253
| +7% | +$491K |
|
14
Ardagh Metal Packaging
AMBP
$2.86B
| $6.58M | 4.35% |
1,538,484
+480,764
| +45% | +$1.74M |
|
|
SJT
15
San Juan Basin Royalty Trust
SJT
$117M
| $4.3M | 2.84% |
719,054
| – | – |
|
16
NexGen Energy
NXE
$6.05B
| $3.92M | 2.59% |
564,507
| – | – |
|
|
17
D.R. Horton
DHI
$41B
| – | – |
-53,655
| Closed | -$6.82M |
|
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Mountaineer Partners Management's Q2 2025 Portfolio in Review
As of Q2 2025, Mountaineer Partners Management held 17 positions worth $151M, up 45% from $105M the previous quarter. Its ten largest holdings account for 75% of the portfolio.
Mountaineer Partners Management deployed $22.7M of net new capital in Q2 2025, opening 3 new positions and adding to 8 existing holdings. Its largest new stake was Carpenter Technology: 39,982 shares worth $11.1M.
By sector, the portfolio is most concentrated in Industrials at 39% of assets, up from 24% a quarter earlier, followed by Materials and Technology.
On the sell side, the largest reduction was ATI, an estimated $4M trimmed.
- Mountaineer Partners Management's largest Q2 2025 buy was Carpenter Technology: 39,982 shares worth $11.1M.
- Mountaineer Partners Management added most to Constellium in Q2 2025, an estimated $3.41M increase.
- Mountaineer Partners Management's biggest Q2 2025 reduction was ATI, cutting an estimated $4M.
- Mountaineer Partners Management fully exited D.R. Horton in Q2 2025, selling an estimated $6.82M.
- Mountaineer Partners Management's ten largest holdings make up 75% of its $151M portfolio in Q2 2025.
- Mountaineer Partners Management opened 3 new positions and closed 1 in Q2 2025.
- Mountaineer Partners Management's portfolio value rose 45% quarter-over-quarter to $151M.
Based on Mountaineer Partners Management's 13F filing for Q2 2025, filed 14 Aug 2025.