
MOUNTAINEER PARTNERS MANAGEMENT, LLC
Latest 13F filing data - Q3 2025
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
![]() | AMBP | 1.54M | $6.14M |
![]() | HBM | 955K | $14.48M |
![]() | CSTM | 834K | $12.41M |
![]() | VSH | 742K | $11.36M |
![]() | CENX | 661K | $19.41M |
![]() | NXE | 565K | $5.05M |
![]() | AA | 297K | $9.76M |
![]() | FCX | 294K | $11.53M |
![]() | SARO | 291K | $7.93M |
![]() | ECG | 170K | $14.56M |
![]() | ATI | 144K | $11.71M |
![]() | ENTG | 123K | $11.39M |
![]() | KEX | 65K | $5.46M |
![]() | BLDR | 61K | $7.37M |
![]() | CRS | 41K | $10.03M |
![]() | DHI | 28K | $4.72M |

Ardagh Metal Packaging S.A.
AMBP
Shares Held
1.54M
Value
$6.14M

Hudbay Minerals Inc.
HBM
Shares Held
955K
Value
$14.48M

Constellium SE
CSTM
Shares Held
834K
Value
$12.41M

Vishay Intertechnology, Inc.
VSH
Shares Held
742K
Value
$11.36M

Century Aluminum Company
CENX
Shares Held
661K
Value
$19.41M

NexGen Energy Ltd.
NXE
Shares Held
565K
Value
$5.05M

Alcoa Corporation
AA
Shares Held
297K
Value
$9.76M

Freeport-McMoRan Inc.
FCX
Shares Held
294K
Value
$11.53M

StandardAero, Inc.
SARO
Shares Held
291K
Value
$7.93M

Everus Construction Group, Inc.
ECG
Shares Held
170K
Value
$14.56M

ATI Inc.
ATI
Shares Held
144K
Value
$11.71M

Entegris, Inc.
ENTG
Shares Held
123K
Value
$11.39M

Kirby Corporation
KEX
Shares Held
65K
Value
$5.46M

Builders FirstSource, Inc.
BLDR
Shares Held
61K
Value
$7.37M

Carpenter Technology Corporation
CRS
Shares Held
41K
Value
$10.03M

D.R. Horton, Inc.
DHI
Shares Held
28K
Value
$4.72M
