Filed: 5/15/2025ACC: 0000919574-25-003166
📋 What this filing means
MOUNTAINEER PARTNERS MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 14 equity positions with a total reported market value of $104.50M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
14
Positions
$104.50M
Total AUM (reported)
6.48M
Total Shares
Allocation by class
COM$82.38M78.8%
CL B$9.49M9.1%
CL A SHS$5.47M5.2%
UNIT BEN INT$3.98M3.8%
SHS$3.19M3.1%
Portfolio Concentration
Top 3$31.84M30.5%
4–10$57.49M55.0%
11–25$15.17M14.5%
Top 3 weight
30.5%
Top 10 weight
85.5%
Voting Authority Distribution
Total shares with voting rights: 6.48M
Sole
Full voting authority
5.15M
shares
% of voting shares79.4%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
1.33M
shares
% of voting shares20.6%
Investment Discretion (by position count)
Sole14
Shared0
Other0
Dominant voting typeSole · 79.4% of voting shares
Institutional Holdings14
Rows:
CENTURY ALUM CO
SOLEShares639.37K
TypeSH
Market value$11.87M
11.36%
Sole
543.17K
Shared
0.00
None
96.20K
VISHAY INTERTECHNOLOGY INC
SOLEShares659.48K
TypeSH
Market value$10.49M
10.03%
Sole
551.03K
Shared
0.00
None
108.44K
FREEPORT-MCMORAN INC
SOLEShares250.56K
TypeSH
Market value$9.49M
9.08%
Sole
205.83K
Shared
0.00
None
44.73K
ATI INC
SOLEShares181.38K
TypeSH
Market value$9.44M
9.03%
Sole
145.47K
Shared
0.00
None
35.91K
HUDBAY MINERALS INC
SOLEShares1.16M
TypeSH
Market value$8.81M
8.43%
Sole
928.58K
Shared
0.00
None
232.47K
ENTEGRIS INC
SOLEShares98.53K
TypeSH
Market value$8.62M
8.25%
Sole
79.47K
Shared
0.00
None
19.06K
EVERUS CONSTR GROUP
SOLEShares226.86K
TypeSH
Market value$8.41M
8.05%
Sole
178.33K
Shared
0.00
None
48.53K
ALCOA CORP
SOLEShares265.96K
TypeSH
Market value$8.11M
7.76%
Sole
210.75K
Shared
0.00
None
55.21K
BUILDERS FIRSTSOURCE INC
SOLEShares58.21K
TypeSH
Market value$7.27M
6.96%
Sole
47.25K
Shared
0.00
None
10.96K
D R HORTON INC
SOLEShares53.66K
TypeSH
Market value$6.82M
6.53%
Sole
41.14K
Shared
0.00
None
12.52K
CONSTELLIUM SE
SOLEShares542.07K
TypeSH
Market value$5.47M
5.23%
Sole
412.57K
Shared
0.00
None
129.50K
SAN JUAN BASIN RTY TR
SOLEShares719.05K
TypeSH
Market value$3.98M
3.81%
Sole
550.63K
Shared
0.00
None
168.43K
ARDAGH METAL PACKAGING S A
SOLEShares1.06M
TypeSH
Market value$3.19M
3.06%
Sole
816.22K
Shared
0.00
None
241.50K
NEXGEN ENERGY LTD
SOLEShares564.51K
TypeSH
Market value$2.53M
2.43%
Sole
435.04K
Shared
0.00
None
129.47K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
CENTURY ALUM COSOLE | COM | 639.37K | SH | $11.87M 11.36% | 543.17K | 0.00 | 96.20K |
VISHAY INTERTECHNOLOGY INCSOLE | COM | 659.48K | SH | $10.49M 10.03% | 551.03K | 0.00 | 108.44K |
FREEPORT-MCMORAN INCSOLE | CL B | 250.56K | SH | $9.49M 9.08% | 205.83K | 0.00 | 44.73K |
ATI INCSOLE | COM | 181.38K | SH | $9.44M 9.03% | 145.47K | 0.00 | 35.91K |
HUDBAY MINERALS INCSOLE | COM | 1.16M | SH | $8.81M 8.43% | 928.58K | 0.00 | 232.47K |
ENTEGRIS INCSOLE | COM | 98.53K | SH | $8.62M 8.25% | 79.47K | 0.00 | 19.06K |
EVERUS CONSTR GROUPSOLE | COM | 226.86K | SH | $8.41M 8.05% | 178.33K | 0.00 | 48.53K |
ALCOA CORPSOLE | COM | 265.96K | SH | $8.11M 7.76% | 210.75K | 0.00 | 55.21K |
BUILDERS FIRSTSOURCE INCSOLE | COM | 58.21K | SH | $7.27M 6.96% | 47.25K | 0.00 | 10.96K |
D R HORTON INCSOLE | COM | 53.66K | SH | $6.82M 6.53% | 41.14K | 0.00 | 12.52K |
CONSTELLIUM SESOLE | CL A SHS | 542.07K | SH | $5.47M 5.23% | 412.57K | 0.00 | 129.50K |
SAN JUAN BASIN RTY TRSOLE | UNIT BEN INT | 719.05K | SH | $3.98M 3.81% | 550.63K | 0.00 | 168.43K |
ARDAGH METAL PACKAGING S ASOLE | SHS | 1.06M | SH | $3.19M 3.06% | 816.22K | 0.00 | 241.50K |
NEXGEN ENERGY LTDSOLE | COM | 564.51K | SH | $2.53M 2.43% | 435.04K | 0.00 | 129.47K |