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Mountaineer Partners Management, LLC

Q1 2026 · Filed 2026-05-15
Market Value
$201M
+12.6%
Holdings
18
-3
New Purchases
1
Added To
6
Closed
2
Reduced
7
Top 10 Concentration
78.6%
Turnover
16.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
HMY 5.09% 0.00% +5.09% $10M
CENX 17.02% 13.34% +3.69% $34M
CSTM 8.04% 7.19% +0.85% $16M
CRS 7.03% 6.46% +0.57% $14M
SXT 6.72% 6.16% +0.57% $14M
AA 7.70% 7.20% +0.50% $16M
KEX 5.88% 5.39% +0.48% $12M
AMBP 3.78% 3.37% +0.41% $8M
CCJ 2.29% 2.17% +0.12% $5M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NXE 0.00% 2.77% -2.77% $0
SJT 0.00% 2.30% -2.30% $0
ATI 6.63% 8.28% -1.65% $13M
HBM 7.33% 8.74% -1.41% $15M
BLDR 4.02% 5.42% -1.40% $8M
ULCC 1.67% 2.51% -0.84% $3M
DHI 4.54% 5.24% -0.70% $9M
SARO 5.23% 5.90% -0.67% $11M
FCX 7.04% 7.57% -0.53% $14M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 7 $81M 40.3%
Mid Cap 9 $117M 58.0%
Small Cap 1 $3M 1.7%
Micro Cap 1 $0 0.0%

Portfolio Analytics

Avg Market Cap
$17.2B
Median Market Cap
$8.4B
Avg P/E
43.0
Median P/E
27.9
Avg Dividend Yield
0.01%
Avg Beta
1.27
# Stocks
17
# ETFs / Funds
1

Top Holdings (18 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 CENX 17.02% 583,997 $34M $58.69 $10M -24,478 -4.0%
2 CSTM 8.04% 658,490 $16M $24.58 $3M -22,974 -3.4%
3 AA 7.70% 233,687 $16M $66.33 $3M -8,307 -3.4%
4 HBM 7.33% 706,040 $15M $20.90 -$871K -81,207 -10.3%
5 FCX 7.04% 240,973 $14M $58.78 $638K -25,354 -9.5%
6 CRS 7.03% 35,929 $14M $394.15 $3M -761 -2.1%
7 SXT 6.72% 156,584 $14M $86.44 $3M +39,494 +33.7%
8 ATI 6.63% 91,784 $13M $145.46 -$1M -37,125 -28.8%
9 KEX 5.88% 89,017 $12M $132.88 $2M +1,573 +1.8%
10 SARO 5.23% 407,435 $11M $25.83 -$16K +39,937 +10.9%
11 HMY 5.09% 666,735 $10M $15.37 +666,735 NEW
12 DHI 4.54% 66,541 $9M $137.22 -$232K +1,537 +2.4%
13 BLDR 4.02% 98,203 $8M $82.33 -$2M +4,112 +4.4%
14 AMBP 3.78% 1,878,082 $8M $4.05 $2M +408,602 +27.8%
15 CCJ 2.29% 42,424 $5M $108.61 $726K
16 ULCC 1.67% 953,375 $3M $3.53 -$1M
17 SJT —% -$4M -732,351 -100.0% SOLD
18 NXE —% -$5M -538,042 -100.0% SOLD

New Positions

SymbolValue% Port
HMY $10M 5.09%

Sold Out Positions

SymbolValue% Port
SJT —%
NXE —%
View SEC EDGAR Filings for Mountaineer Partners Management, LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms