Mountaineer Partners Management, LLC
Q3 2025 13F-HR Holdings
Net value change ($000)
+20,649
(13.6%)
New positions
2
Sold out positions
0
Turnover %
5.2%
Sector allocation + QoQ delta (equities-only)
Snapshot: Change Analysis
Compared to Q2 2025
Methodology:
sector metrics are equities-only;
instrument mix chart is ex-options;
options exposure is shown separately.
Why this matters.
Top Adds (Value $000, Stocks/ETFs)
| CENX | 6,701 | 52.7% |
| DHI | 4,724 | NEW |
| UEC | 4,282 | NEW |
| HBM | 2,554 | 21.4% |
| ECG | 1,463 | 11.2% |
| ENTG | 1,214 | 11.9% |
| CSTM | 1,159 | 10.3% |
| NXE | 1,134 | 28.9% |
| ATI | 1,098 | 10.3% |
| AA | 763 | 8.5% |
Top Reduces (Value $000, Stocks/ETFs)
| KEX | -1,961 | -26.4% |
| SARO | -1,268 | -13.8% |
| CRS | -1,020 | -9.2% |
| ARDAGH METAL PACKAGING S A | -446 | -6.8% |
| VSH | -436 | -3.7% |
Instrument mix + QoQ Δ (ex-options)
How this table is calculated:
SEC
VALUE ($000) is used as reported.
For derivatives (PUT/CALL/WARRANT/RIGHT), SEC value represents reported underlying exposure, not premium cash paid/received.
Column % is bucket-based:
non-options share is calculated inside non-option total, options share is calculated inside options total.
Details.
Filter:
Instrument:
| Issuer Name | Ticker | Sector | Industry | Class | History | Value ($000) | % | Shares | Shares Δ | Shares Δ% | Value Δ ($000) | Value Δ% | Principal | Option Type |
|---|