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VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs
13F HOLDINGS REPORT

Mountaineer Partners Management, LLC

Quarter ended Q2 2025 · Filed August 14, 2025 · Accession 0000919574-25-004802

Total Value
$151.3M
Positions
32
Other Managers
0
Confidential Omitted
No
View on SEC.gov

Holdings (32)

#IssuerTicker / CUSIPSharesValue% of Filing
1EVERUS CONSTR GROUPEVEX-WT172,988$11.0M7.26%
2CENTURY ALUM COCENX590,103$10.6M7.03%
3HUDBAY MINERALS INCHBM928,580$9.9M6.51%
4VISHAY INTERTECHNOLOGY INCVSH614,208$9.8M6.45%
5CONSTELLIUM SECSTM699,168$9.3M6.15%
6FREEPORT-MCMORAN INCFCX205,826$8.9M5.90%
7CARPENTER TECHNOLOGY CORPCRS32,261$8.9M5.89%
8ATI INCATI98,726$8.5M5.63%
9ENTEGRIS INCENTG101,490$8.2M5.41%
10STANDARDAERO INCSARO224,046$7.1M4.69%
11ALCOA CORPAA235,295$6.9M4.59%
12KIRBY CORPKEX50,460$5.7M3.78%
13BUILDERS FIRSTSOURCE INCBLDR47,248$5.5M3.64%
14ARDAGH METAL PACKAGING S AAMPWF1,171,674$5.0M3.31%
15SAN JUAN BASIN RTY TR798241105550,627$3.3M2.18%
16NEXGEN ENERGY LTDNXE435,036$3.0M2.00%
17CARPENTER TECHNOLOGY CORPCRS7,721$2.1M1.41%
18EVERUS CONSTR GROUPEVEX-WT33,230$2.1M1.40%
19STANDARDAERO INCSARO66,684$2.1M1.39%
20ATI INCATI24,244$2.1M1.38%
21HUDBAY MINERALS INCHBM195,852$2.1M1.37%
22CENTURY ALUM COCENX115,047$2.1M1.37%
23ALCOA CORPAA69,486$2.1M1.36%
24FREEPORT-MCMORAN INCFCX47,135$2.0M1.35%
25VISHAY INTERTECHNOLOGY INCVSH128,297$2.0M1.35%
26ENTEGRIS INCENTG24,740$2.0M1.32%
27CONSTELLIUM SECSTM146,514$1.9M1.29%
28BUILDERS FIRSTSOURCE INCBLDR15,216$1.8M1.17%
29KIRBY CORPKEX14,971$1.7M1.12%
30ARDAGH METAL PACKAGING S AAMPWF366,810$1.6M1.04%
31SAN JUAN BASIN RTY TR798241105168,427$1.0M0.67%
32NEXGEN ENERGY LTDNXE129,471$898,5290.59%