Latest Mountaineer Partners Management, LLC Stock Portfolio
Mountaineer Partners Management, LLC Performance:
2025 Q3: 9.01%YTD: 12.04%2024: -7.99%
Performance for 2025 Q3 is 9.01%, and YTD is 12.04%, and 2024 is -7.99%.
About Mountaineer Partners Management, LLC and 13F Hedge Fund Stock Holdings
In it's latest 13F Holdings report, Mountaineer Partners Management, LLC reported an equity portfolio of $171.9 Millions as of 30 Sep, 2025.
The top stock holdings of Mountaineer Partners Management, LLC are CENX, , . The fund has invested 11.3% of it's portfolio in CENTURY ALUM CO and 8.5% of portfolio in EVERUS CONSTR GROUP.
They significantly reduced their stock positions in EVERUS CONSTR GROUP, CENTURY ALUM CO (CENX) and BUILDERS FIRSTSOURCE INC (BLDR). Mountaineer Partners Management, LLC opened new stock positions in D R HORTON INC (DHI) and URANIUM ENERGY CORP (UEC). The fund showed a lot of confidence in some stocks as they added substantially to ATI INC (ATI), FREEPORT-MCMORAN INC (FCX) and CARPENTER TECHNOLOGY CORP (CRS).
The top stock holdings of Mountaineer Partners Management, LLC are CENX, , . The fund has invested 11.3% of it's portfolio in CENTURY ALUM CO and 8.5% of portfolio in EVERUS CONSTR GROUP.
They significantly reduced their stock positions in EVERUS CONSTR GROUP, CENTURY ALUM CO (CENX) and BUILDERS FIRSTSOURCE INC (BLDR). Mountaineer Partners Management, LLC opened new stock positions in D R HORTON INC (DHI) and URANIUM ENERGY CORP (UEC). The fund showed a lot of confidence in some stocks as they added substantially to ATI INC (ATI), FREEPORT-MCMORAN INC (FCX) and CARPENTER TECHNOLOGY CORP (CRS).
Mountaineer Partners Management, LLC Annual Return Estimates Vs S&P 500
Our best estimate is that Mountaineer Partners Management, LLC made a return of 9.01% in the last quarter. In trailing 12 months, it's portfolio return was 1.08%.
New Buys
| Ticker | $ Bought |
|---|---|
| d r horton inc | 4,724,150 |
| uranium energy corp | 4,281,500 |
New stocks bought by Mountaineer Partners Management, LLC
Additions
| Ticker | % Inc. |
|---|---|
| ati inc | 17.12 |
| freeport-mcmoran inc | 16.24 |
| carpenter technology corp | 2.17 |
Additions to existing portfolio by Mountaineer Partners Management, LLC
Reductions
| Ticker | % Reduced |
|---|---|
| everus constr group | -17.64 |
| hudbay minerals inc | -15.03 |
| century alum co | -6.25 |
| builders firstsource inc | -2.73 |
| alcoa corp | -2.67 |
| entegris inc | -2.37 |
| constellium se | -1.41 |
| vishay intertechnology inc | -0.04 |
Mountaineer Partners Management, LLC reduced stake in above stock
Sold off
Sector Distribution
Mountaineer Partners Management, LLC has about 37.8% of it's holdings in Others sector.
| Sector | % |
|---|---|
| Others | 37.8 |
| Basic Materials | 23.7 |
| Industrials | 20.1 |
| Technology | 13.2 |
| Consumer Cyclical | 2.7 |
| Energy | 2.5 |
Market Cap. Distribution
Mountaineer Partners Management, LLC has about 20.4% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| UNALLOCATED | 37.8 |
| MID-CAP | 28.1 |
| LARGE-CAP | 20.4 |
| SMALL-CAP | 13.8 |
Stocks belong to which Index?
About 42.5% of the stocks held by Mountaineer Partners Management, LLC either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| Others | 57.5 |
| RUSSELL 2000 | 33 |
| S&P 500 | 9.5 |
Mountaineer Partners Management, LLC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of Mountaineer Partners Management, LLC
Mountaineer Partners Management, LLC has 18 stocks in it's portfolio. About 73.7% of the portfolio is in top 10 stocks. KEX proved to be the most loss making stock for the portfolio. CENX was the most profitable stock for Mountaineer Partners Management, LLC last quarter.
Last Reported on: 14 Nov, 2025| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| AA | alcoa corp | 5.67 | 296,642 | 9,756,560 | reduced | -2.67 | ||
| ATI | ati inc | 6.81 | 144,020 | 11,714,600 | added | 17.12 | ||
| BLDR | builders firstsource inc | 4.28 | 60,759 | 7,367,030 | reduced | -2.73 | ||
| CENX | century alum co | 11.29 | 661,043 | 19,408,200 | reduced | -6.25 | ||
| CRS | carpenter technology corp | 5.83 | 40,849 | 10,030,100 | added | 2.17 | ||
| DHI | d r horton inc | 2.75 | 27,876 | 4,724,150 | new | |||
| ENTG | entegris inc | 6.63 | 123,234 | 11,394,200 | reduced | -2.37 | ||
| FCX | freeport-mcmoran inc | 6.71 | 294,049 | 11,532,600 | added | 16.24 | ||
| KEX | kirby corp | 3.18 | 65,431 | 5,460,220 | unchanged | 0.00 | ||
| SJT | san juan basin rty tr | 2.53 | 719,054 | 4,343,090 | unchanged | 0.00 | ||
| UEC | uranium energy corp | 2.49 | 320,952 | 4,281,500 | new | |||
| VSH | vishay intertechnology inc | 6.60 | 742,177 | 11,355,300 | reduced | -0.04 | ||
| everus constr group | 8.47 | 169,844 | 14,564,100 | reduced | -17.64 | |||
| hudbay minerals inc | 8.42 | 955,419 | 14,484,200 | reduced | -15.03 | |||
| constellium se | 7.22 | 833,776 | 12,406,600 | reduced | -1.41 | |||
| standardaero inc | 4.61 | 290,730 | 7,934,020 | unchanged | 0.00 | |||
| ardagh metal packaging s a | 3.57 | 1,538,480 | 6,138,550 | unchanged | 0.00 | |||
| nexgen energy ltd | 2.94 | 564,507 | 5,052,340 | unchanged | 0.00 | |||