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Mountaineer Partners Management, LLC Top Holdings and 13F Report (2025)

About Mountaineer Partners Management, LLC

Investment Activity

  • Mountaineer Partners Management, LLC has $136.56 million in total holdings as of December 31, 2024.
  • Mountaineer Partners Management, LLC owns shares of 17 different stocks, but just 12 companies or ETFs make up 80% of its holdings.
  • Approximately 14.75% of the portfolio was purchased this quarter.
  • About 20.49% of the portfolio was sold this quarter.
  • This quarter, Mountaineer Partners Management, LLC has purchased 15 new stocks and bought additional shares in 5 stocks.
  • Mountaineer Partners Management, LLC sold shares of 6 stocks and completely divested from 0 stocks this quarter.

Largest Holdings

Century Aluminum
$11,803,736
EVERUS CONSTR GROUP
$10,698,972
ATI
$10,054,157
Entegris
$9,892,131
Alcoa
$9,738,853

Largest New Holdings this Quarter

EVERUS CONSTR GROUP
$10,698,972 Holding
Ardagh Metal Packaging
$3,183,737 Holding

Largest Purchases this Quarter

EVERUS CONSTR GROUP
162,722 shares (about $10.70M)
Constellium
338,105 shares (about $3.47M)
Ardagh Metal Packaging
1,057,720 shares (about $3.18M)
ATI
42,020 shares (about $2.31M)
Freeport-McMoRan
7,795 shares (about $296.83K)

Largest Sales this Quarter

Century Aluminum
759,986 shares (about $13.85M)
Vishay Intertechnology
585,708 shares (about $9.92M)
GE VERNOVA INC
9,192 shares (about $3.02M)
Alcoa
22,053 shares (about $833.16K)
Materion
2,034 shares (about $201.12K)

Sector Allocation Over Time

Map of 500 Largest Holdings ofMountaineer Partners Management, LLC

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Century Aluminum stock logo
CENX
Century Aluminum
$11,803,736$13,846,945 -54.0%647,8458.6%Industrial Products
EVERUS CONSTR GROUP
$10,698,972$10,698,972 New Holding162,7227.8%COM
ATI Inc. stock logo
ATI
ATI
$10,054,157$2,312,781 29.9%182,6707.4%Basic Materials
Entegris, Inc. stock logo
ENTG
Entegris
$9,892,131$169,591 1.7%99,8607.2%Computer and Technology
Alcoa Co. stock logo
AA
Alcoa
$9,738,853$833,162 -7.9%257,7787.1%Industrial Products
GE VERNOVA INC
$9,661,661$3,023,525 -23.8%29,3737.1%COM
Freeport-McMoRan Inc. stock logo
FCX
Freeport-McMoRan
$9,399,668$296,834 3.3%246,8406.9%Basic Materials
Constellium SE stock logo
CSTM
Constellium
$9,111,944$3,472,338 61.6%887,2396.7%Industrial Products
Hudbay Minerals Inc. stock logo
HBM
Hudbay Minerals
$8,946,961$152,191 -1.7%1,104,5636.6%Basic Materials
Vishay Intertechnology, Inc. stock logo
VSH
Vishay Intertechnology
$8,750,696$9,921,894 -53.1%516,5706.4%Computer and Technology
Builders FirstSource, Inc. stock logo
BLDR
Builders FirstSource
$7,986,2140.0%55,8755.8%Retail/Wholesale
Materion Co. stock logo
MTRN
Materion
$7,884,889$201,122 -2.5%79,7425.8%Basic Materials
D.R. Horton, Inc. stock logo
DHI
D.R. Horton
$7,132,917$13,143 0.2%51,0155.2%Construction
Scorpio Tankers Inc. stock logo
STNG
Scorpio Tankers
$5,834,4510.0%117,4174.3%Transportation
NexGen Energy Ltd. stock logo
NXE
NexGen Energy
$3,725,7470.0%564,5072.7%Basic Materials
Ardagh Metal Packaging S.A. stock logo
AMBP
Ardagh Metal Packaging
$3,183,737$3,183,737 New Holding1,057,7202.3%Industrial Products
San Juan Basin Royalty Trust stock logo
SJT
San Juan Basin Royalty Trust
$2,753,9760.0%719,0542.0%Oils/Energy

Showing largest 100 holdings. View all holdings.
SEC Filings and Trading Data