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Mountaineer Partners Management, LLC

CIK:0001730532
Hedge Fund
$187M AUM
16 holdings
New York, NY, United States
Founded:2011
4 employees
Latest filing:Jun 30, 2025

Mountaineer Partners Management, LLC is a hedge fund headquartered in New York, NY, United States. Founded in 2011 by Mark Lee, the firm specializes in value-oriented and event-driven strategies focused on equities and distressed debt. As of 2025, it manages over $180 million in assets and has four employees, serving a select client base of institutional and high-net-worth investors. The firm leverages deep analytical expertise to uncover market inefficiencies and capitalize on event-driven catalysts across public markets.

Investment Strategy

Mountaineer Partners Management applies a value-oriented and event-driven investment approach, mainly targeting equities and distressed debt. The firm focuses on securities where fundamental catalysts—such as spin-offs, restructurings, or other corporate events—may not be fully appreciated by the market. By strategically selecting positions based on unrecognized opportunities and inefficiencies, Mountaineer seeks to generate returns from both undervalued assets and event-driven scenarios. Their disciplined process is supported by rigorous fundamental analysis and deep expertise in credit and equity markets.

Top Buys
C
CRSCARPENTER TECHNOLOGY CORP
+$11.1M
S
SAROSTANDARDAERO INC
+$9.2M
K
KEXKIRBY CORP
+$7.4M
C
CSTMCONSTELLIUM SE
+$5.8M
E
ECGEVERUS CONSTR GROUP
+$4.7M
Top Sells
D
DHID R HORTON INC
-$6.8M
E
ENTGENTEGRIS INC
+$1.6M
F
FCXFREEPORT-MCMORAN INC
+$1.5M
N
NXENEXGEN ENERGY LTD
+$1.4M
V
VSHVISHAY INTERTECHNOLOGY INC
+$1.3M

Top Holdings

E
ECGEVERUS CONSTR GROUP
+8.7%$13.1M
C
CENXCENTURY ALUM CO
+8.4%$12.7M
H
HBMHUDBAY MINERALS INC
+7.9%$11.9M
V
VSHVISHAY INTERTECHNOLOGY INC
+7.8%$11.8M
C
CSTMCONSTELLIUM SE
+7.4%$11.2M

Equity Positions (16)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
E
ECG
EVERUS CONSTR GROUP8.66%$13.1M206,218$57.65$63.53+$4.7M
C
CENX
CENTURY ALUM CO8.40%$12.7M705,150$10.08$18.02+$840.0K
H
HBM
HUDBAY MINERALS INC7.89%$11.9M1,124,432$6.09$10.61+$3.1M
V
VSH
VISHAY INTERTECHNOLOGY INC7.79%$11.8M742,505$18.62$15.88+$1.3M
C
CSTM
CONSTELLIUM SE7.43%$11.2M845,682$13.57$13.30+$5.8M

Industry Allocation

METAL MINING
+15.1%
PRIMARY PRODUCTION OF ALUMINUM
+14.3%
OPERATIVE BUILDERS
+8.7%
ELECTRONIC COMPONENTS & ACCESSORIES
+7.8%
SECONDARY SMELTING & REFINING OF NONFERROUS METALS
+7.4%