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Mountaineer Partners Management, LLC

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13F filer, CIK 1730532, New York, NY

Mountaineer Partners Management, LLC reported $160,375,644 across 15 holdings for the quarter ended 2024-09-30, in a 13F-HR/A filed 2024-11-15. Its ten largest share positions make up 79.55% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR/A 0000919574-24-006813

Period
2024-09-30
Reported value
$160M
Holdings
15
Top 10 weight
79.55%
New
3
Sold out
4

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BLDRnew+55,875$10.8M
GEVnew+38,565$9.83M
DHInew+50,921$9.71M
ENTGadded+30,618$3.45M
CENXadded+69,373$1.13M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
VSHreduced-931,474-$17.6M
FANGexited-56,504-$11.3M
WFGexited-122,541-$9.41M
OLNexited-187,085-$8.82M
RIGexited-901,657-$4.82M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2024

Share positions as resolved from 13F-HR/A 0000919574-24-006813, largest first. % of portfolio is the value over $160,375,644, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CENXCENTURY ALUM COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,407,831 shares 1,407,831$22.8M14.25%+69,373Timeline
VSHVISHAY INTERTECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,102,278 shares 1,102,278$20.8M13%-931,474Timeline
FCXFREEPORT MCMORAN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 239,045 shares 239,045$11.9M7.44%-6,099Timeline
ENTGENTEGRIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 98,148 shares 98,148$11M6.89%+30,618Timeline
BLDRBUILDERS FIRSTSOURCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 55,875 shares 55,875$10.8M6.75%newTimeline
AAALCOA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 279,831 shares 279,831$10.8M6.73%+17,987Timeline
HBMHUDBAY MINERALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,123,352 shares 1,123,352$10.3M6.44%-33,301Timeline
GEVGE VERNOVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 38,565 shares 38,565$9.83M6.13%newTimeline
DHID R HORTON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,921 shares 50,921$9.71M6.06%newTimeline
ATIATI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 140,650 shares 140,650$9.41M5.87%-68,423Timeline
MTRNMATERION CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 81,776 shares 81,776$9.15M5.7%-13,874Timeline
CSTMCONSTELLIUM SEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 549,134 shares 549,134$8.93M5.57%+48,365Timeline
STNGSCORPIO TANKERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 117,417 shares 117,417$8.37M5.22%-1,724Timeline
NXENEXGEN ENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 564,507 shares 564,507$3.69M2.3%-14,510Timeline
SJTSAN JUAN BASIN RTY TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 719,054 shares 719,054$2.66M1.66%-18,876Timeline

Sold out in Q3 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
FANGDIAMONDBACK ENERGY INC56,504$11.3Mshares
WFGWEST FRASER TIMBER CO LTD122,541$9.41Mshares
OLNOLIN CORP187,085$8.82Mshares
RIGTRANSOCEAN LTD901,657$4.82Mshares

How Q3 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000919574-24-006445 superseded2024-11-14acceptance time not in the bulk data set
13F-HR/A 0000919574-24-006813 baserestatement2024-11-15acceptance time not in the bulk data set