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Portfolio (Quarterly) Guide ↗

Mountaineer Partners Management, LLC

· CIK 0001730532
13F Portfolio $172M AUM Filed Nov 14, 2025 EDGAR ↗ ← All Funds
Q4 2025 Q3 2025 · All 18 New
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 CENX CENTURY ALUM CO Basic Materials 661,043.0 $19.4M 11.29% NEW $29.36 +121.6%
2 ECG EVERUS CONSTR GROUP Industrials 169,844.0 $14.6M 8.47% NEW $85.75 +73.4%
3 HBM HUDBAY MINERALS INC Basic Materials 955,419.0 $14.5M 8.42% NEW $15.16 +60.9%
4 CSTM CONSTELLIUM SE Basic Materials 833,776.0 $12.4M 7.21% NEW $14.88 +123.4%
5 ATI ATI INC Industrials 144,020.0 $11.7M 6.81% NEW $81.34 +99.5%
6 FCX FREEPORT-MCMORAN INC Basic Materials 294,049.0 $11.5M 6.71% NEW $39.22 +58.0%
7 ENTG ENTEGRIS INC Technology 123,234.0 $11.4M 6.63% NEW $92.46 +46.3%
8 VSH VISHAY INTERTECHNOLOGY INC Technology 742,177.0 $11.4M 6.60% NEW $15.30 +208.8%
9 CRS CARPENTER TECHNOLOGY CORP Industrials 40,849.0 $10.0M 5.83% NEW $245.54 +76.8%
10 AA ALCOA CORP Basic Materials 296,642.0 $9.8M 5.67% NEW $32.89 +117.0%
11 STANDARDAERO INC 290,730.0 $7.9M 4.61% NEW $27.29
12 BLDR BUILDERS FIRSTSOURCE INC Industrials 60,759.0 $7.4M 4.28% NEW $121.25 -38.8%
13 AMBP ARDAGH METAL PACKAGING S A Consumer Cyclical 1,538,484.0 $6.1M 3.57% NEW $3.99 +1.3%
14 KEX KIRBY CORP Industrials 65,431.0 $5.5M 3.18% NEW $83.45 +71.8%
15 NXE NEXGEN ENERGY LTD Energy 564,507.0 $5.1M 2.94% NEW $8.95 +19.1%
16 DHI D R HORTON INC Consumer Cyclical 27,876.0 $4.7M 2.75% NEW $169.47 -15.2%
17 SJT SAN JUAN BASIN RTY TR Energy 719,054.0 $4.3M 2.53% NEW $6.04 -32.3%
18 UEC URANIUM ENERGY CORP Energy 320,952.0 $4.3M 2.49% NEW $13.34 -2.4%

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Basic Materials 41.2%
Industrials 30.0%
Technology 13.9%
Energy 8.3%
Consumer Cyclical 6.6%