Mountaineer Partners Management, LLC
CIK 0001730532
Annualised vol
7.988829%
Beta
-0.00141
HHI
5651.508858
Top-10 weight
100.0%
VaR 95%
0.0%
VaR 99%
1.648387%
Max drawdown
18.06616%
Matched value
100.0%
Returns of reported holdings
Loading returns…
Position changes vs prior quarter
What the latest 13F shows bought and sold against the quarter before, by share count.
| Ticker | Change | Shares now | Shares before | Share change % | Value now ($) |
|---|---|---|---|---|---|
| AMBP | REDUCED | 1,148,027 | 1,878,082 | -38.87% | 5,441,648 |
| HBM | CLOSED OUT | 0 | 706,040 | -100.0% | 0 |
| CSTM | CLOSED OUT | 0 | 658,490 | -100.0% | 0 |
| SARO | CLOSED OUT | 0 | 407,435 | -100.0% | 0 |
| FCX | CLOSED OUT | 0 | 240,973 | -100.0% | 0 |
| AA | CLOSED OUT | 0 | 233,687 | -100.0% | 0 |
| SXT | CLOSED OUT | 0 | 156,584 | -100.0% | 0 |
| BLDR | CLOSED OUT | 0 | 98,203 | -100.0% | 0 |
| ATI | CLOSED OUT | 0 | 91,784 | -100.0% | 0 |
| KEX | CLOSED OUT | 0 | 89,017 | -100.0% | 0 |
| CCJ | CLOSED OUT | 0 | 42,424 | -100.0% | 0 |
| CRS | CLOSED OUT | 0 | 35,929 | -100.0% | 0 |
Holdings (latest quarter)
| Ticker | Change | Issuer | Class | CUSIP | Value ($) | Weight % | Shares |
|---|---|---|---|---|---|---|---|
| AMBP | REDUCED | ARDAGH METAL PACKAGING S A | SHS | L02235106 | 3,702,969 | 68.05 | 781217.0 |
| AMBP | REDUCED | ARDAGH METAL PACKAGING S A | SHS | L02235106 | 1,738,679 | 31.95 | 366810.0 |
Quarterly portfolios
| Period | Filed | Value ($) | Positions | Vol % | Beta | Max DD % |
|---|---|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | 5,441,648 | 2 | 7.988829 | -0.00141 | 18.06616 |
| 2026-03-31 | 2026-05-15 | 201,324,463 | 32 | 15.870981 | 0.494745 | 37.13261 |
| 2025-12-31 | 2026-02-13 | 178,724,898 | 34 | 16.888614 | 0.52774 | 38.214974 |
| 2025-09-30 | 2025-11-14 | 171,947,303 | 36 | 16.51824 | 0.54827 | 31.586933 |
| 2025-03-31 | 2025-05-15 | 104,502,140 | 28 | 17.376277 | 0.579444 | 33.476212 |
| 2024-12-31 | 2025-02-14 | 136,560,710 | 34 | 15.532523 | 0.510657 | 28.735807 |