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Mountaineer Partners Management, LLC 13F holdings, Q1 2025

Holdings as of March 31, 2025 · filings on SEC EDGAR · latest filing →

Mountaineer Partners Management, LLC disclosed 14 US equity positions worth $104.5m in its Q1 2025 13F filing. The largest position was CENX at 11.4% of the reported book, followed by VSH and FCX. Against the Q4 2024 filing, it opened 0 new positions, added to 7 and reduced 4 among the top 14 holdings.

← Q4 2024 · Q2 2025 →

What did Mountaineer Partners Management, LLC own in Q1 2025? Top 14 positions

#StockSectorWeightValueSharesΔ sharesvs Q4 2024
1 CENX CENTURY ALUM CO Basic Materials 11.4%$11.9m639,373 -1% reduced
2 VSH VISHAY INTERTECHNOLOGY INC Technology 10.0%$10.5m659,478 28% added
3 FCX FREEPORT-MCMORAN INC Basic Materials 9.1%$9.5m250,558 2% added
4 ATI ATI INC Industrials 9.0%$9.4m181,375 -1% reduced
5 HBM HUDBAY MINERALS INC Basic Materials 8.4%$8.8m1,161,055 5% added
6 ENTG ENTEGRIS INC Technology 8.2%$8.6m98,529 -1% reduced
7 ECG EVERUS CONSTR GROUP 8.1%$8.4m226,857 39% added
8 AA ALCOA CORP Basic Materials 7.8%$8.1m265,965 3% added
9 BLDR BUILDERS FIRSTSOURCE INC Industrials 7.0%$7.3m58,211 4% added
10 DHI D R HORTON INC Consumer Cyclical 6.5%$6.8m53,655 5% added
11 CSTM CONSTELLIUM SE Basic Materials 5.2%$5.5m542,068 -39% reduced
12 SAN JUAN BASIN RTY TR 3.8%$4.0m719,054 0% held
13 AMBP ARDAGH METAL PACKAGING S A Consumer Cyclical 3.1%$3.2m1,057,720 0% held
14 NXE NEXGEN ENERGY LTD Energy 2.4%$2.5m564,507 0% held

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.