Mountaineer Partners Management, Llc Portfolio Stock Holdings

Mountaineer Partners Management, Llc disclosed 16 stock positions valued at approximately $201.3 million in its latest SEC 13F filing. The largest holdings include CENTURY ALUM CO, ALCOA CORP, and HUDBAY MINERALS INC. The filing reflects positions held as of March 31, 2026 and was filed on May 15, 2026.

Report Period
March 31, 2026
No. of Stocks
16
Portfolio Value
$201.3M
Holdings by Sector
Mountaineer Partners Management, Llc Portfolio Holdings in Q1 2026

14 holdings in the latest reporting period.

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CompanySymbolSectorPortfolio %SharesChange (Shares)Change %Value
CENTURY ALUM COCENXBasic Materials17.02%583,997-24,478-4.02%$34,274,784
ALCOA CORPAABasic Materials7.70%233,687-8,307-3.43%$15,500,459
HUDBAY MINERALS INCHBMBasic Materials7.33%706,040-81,207-10.32%$14,756,237
FREEPORT MCMORAN INCFCXBasic Materials7.04%240,973-25,354-9.52%$14,164,393
CARPENTER TECHNOLOGY CORPCRSIndustrials7.03%35,929-761-2.07%$14,161,415
SENSIENT TECHNOLOGIES CORPSXTBasic Materials6.72%156,584+39,494+33.73%$13,535,121
ATI INCATIIndustrials6.63%91,784-37,125-28.80%$13,350,901
KIRBY CORPKEXIndustrials5.88%89,017+1,573+1.80%$11,828,579
STANDARDAERO INC85423L103Other5.23%407,435+39,937+10.87%$10,524,046
HARMONY GOLD MNG LTDHMYBasic Materials5.09%666,735+666,735+100.00%$10,247,717
D R HORTON INCDHIConsumer Cyclical4.54%66,541+1,537+2.36%$9,130,756
BUILDERS FIRSTSOURCE INCBLDRIndustrials4.02%98,203+4,112+4.37%$8,085,053
CAMECO CORPCCJEnergy2.29%42,424--$4,607,670
FRONTIER GROUP HLDGS INCULCCIndustrials1.67%953,375--$3,365,414