Mountaineer Partners Management, LLC Diversified Active

CIK: 0001730532 · Show all filings

Period: Q2 2025 (← Previous) (Next →)

Filing Date: Aug 14, 2025

Total Value ($000): $151,298 (100.0% shares, 0.0% debt)

Holdings (16)

ECG EVERUS CONSTR GROUP 8.7%

Value ($000) $13,101 Shares 206,218 Est. Cost $60.35 Unrealized -16.1%

CENX CENTURY ALUM CO 8.4%

Value ($000) $12,707 Shares 705,150 Est. Cost $9.34 Unrealized +81.8%

HBM HUDBAY MINERALS INC 7.9%

Value ($000) $11,930 Shares 1,124,432 Est. Cost $5.63 Unrealized +47.9%

VSH VISHAY INTERTECHNOLOGY INC 7.8%

Value ($000) $11,791 Shares 742,505 Est. Cost $17.39 Unrealized -21.6%

CSTM CONSTELLIUM SE 7.4%

Value ($000) $11,248 Shares 845,682 Est. Cost $12.99 Unrealized -13.6%

CRS CARPENTER TECHNOLOGY CORP 7.3%

Value ($000) $11,050 Shares 39,982 Est. Cost $217.46 Unrealized 0.0%

FCX FREEPORT-MCMORAN INC 7.2%

Value ($000) $10,966 Shares 252,961 Est. Cost $35.00 Unrealized +7.7%

ATI ATI INC 7.0%

Value ($000) $10,617 Shares 122,970 Est. Cost $43.02 Unrealized +59.1%

ENTG ENTEGRIS INC 6.7%

Value ($000) $10,180 Shares 126,230 Est. Cost $90.07 Unrealized -15.9%

SARO STANDARDAERO INC 6.1%

Value ($000) $9,202 Shares 290,730 Est. Cost $28.05 Unrealized 0.0%

AA ALCOA CORP 5.9%

Value ($000) $8,994 Shares 304,781 Est. Cost $40.27 Unrealized -33.4%

KEX KIRBY CORP 4.9%

Value ($000) $7,421 Shares 65,431 Est. Cost $104.91 Unrealized 0.0%

BLDR BUILDERS FIRSTSOURCE INC 4.8%

Value ($000) $7,289 Shares 62,464 Est. Cost $161.62 Unrealized -28.6%

AMBP ARDAGH METAL PACKAGING S A 4.4%

Value ($000) $6,585 Shares 1,538,484 Est. Cost $3.31 Unrealized +5.8%

SJT SAN JUAN BASIN RTY TR 2.8%

Value ($000) $4,300 Shares 719,054 Est. Cost $5.26 Unrealized —

NXE NEXGEN ENERGY LTD 2.6%

Value ($000) $3,918 Shares 564,507 Est. Cost $4.88 Unrealized +15.8%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
ECG	EVERUS CONSTR GROUP	206,218	$13,101	8.7%	$60.35	-16.1%	COM	300426103
CENX	CENTURY ALUM CO	705,150	$12,707	8.4%	$9.34	+81.8%	COM	156431108
HBM	HUDBAY MINERALS INC	1,124,432	$11,930	7.9%	$5.63	+47.9%	COM	443628102
VSH	VISHAY INTERTECHNOLOGY INC	742,505	$11,791	7.8%	$17.39	-21.6%	COM	928298108
CSTM	CONSTELLIUM SE	845,682	$11,248	7.4%	$12.99	-13.6%	CL A SHS	F21107101
CRS	CARPENTER TECHNOLOGY CORP	39,982	$11,050	7.3%	$217.46	0.0%	COM	144285103
FCX	FREEPORT-MCMORAN INC	252,961	$10,966	7.2%	$35.00	+7.7%	CL B	35671D857
ATI	ATI INC	122,970	$10,617	7.0%	$43.02	+59.1%	COM	01741R102
ENTG	ENTEGRIS INC	126,230	$10,180	6.7%	$90.07	-15.9%	COM	29362U104
SARO	STANDARDAERO INC	290,730	$9,202	6.1%	$28.05	0.0%	COM	85423L103
AA	ALCOA CORP	304,781	$8,994	5.9%	$40.27	-33.4%	COM	013872106
KEX	KIRBY CORP	65,431	$7,421	4.9%	$104.91	0.0%	COM	497266106
BLDR	BUILDERS FIRSTSOURCE INC	62,464	$7,289	4.8%	$161.62	-28.6%	COM	12008R107
AMBP	ARDAGH METAL PACKAGING S A	1,538,484	$6,585	4.4%	$3.31	+5.8%	SHS	L02235106
SJT	SAN JUAN BASIN RTY TR	719,054	$4,300	2.8%	$5.26	—	UNIT BEN INT	798241105
NXE	NEXGEN ENERGY LTD	564,507	$3,918	2.6%	$4.88	+15.8%	COM	65340P106