13FBOX
Mountaineer Partners Management, LLC · 13F Holdings
Options Calculator Rankings

Mountaineer Partners Management, LLC

No.8560 Data as of 2026Q2
Latest AUM (Q2 2026)
$132.0M
QoQ Change Q1 2026
-$69.3M-34.4%
Holdings
11
New Buys
1
Adds
1
Reduces
9
Exits
6
Unchanged
0
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
CENTURY ALUM COCENX
17.54%17.02%$23.2M503,309$34.3M583,997-80,688-13.82%Reduce
SENSIENT TECHNOLOGIES CORPSXT
12.3%6.72%$16.2M131,727$13.5M156,584-24,857-15.87%Reduce
CCONSTELLIUM SECSTM
11.64%8.04%$15.4M482,130$16.2M658,490-176,360-26.78%Reduce
STANDARDAERO INCSARO
10.52%5.23%$13.9M464,595$10.5M407,435+57,160+14.03%Add
CCARPENTER TECHNOLOGY CORPCRS
9.76%7.03%$12.9M20,894$14.2M35,929-15,035-41.85%Reduce
AATI INCATI
9.02%6.63%$11.9M60,419$13.4M91,784-31,365-34.17%Reduce
MMIDDLEBY CORPMIDD
8.8%$11.6M67,536$00+67,536New Buy
ALCOA CORPAA
8.22%7.7%$10.9M208,165$15.5M233,687-25,522-10.92%Reduce
HHARMONY GOLD MNG LTDHMY
7.06%5.09%$9.3M612,949$10.2M666,735-53,786-8.07%Reduce
CAMECO CORPCCJ
3.08%2.29%$4.1M39,903$4.6M42,424-2,521-5.94%Reduce
ARDAUGH METAL PACKAGING COMAMBP
2.06%3.78%$2.7M574,207$7.6M1.9M-1.3M-69.43%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow