Skip to Main Content

Mountaineer Partners Management, LLC - Portfolio Stock Holdings

Mountaineer Partners Management, LLC disclosed 18 stock positions in a recent SEC 13F filing. $200,569,021 of stock holdings were filed, with the largest holdings including CENX, CSTM, and AA. This filing represented positions held on March 31, 2026, and was filed on May 15, 2026.

We estimate the fund has a total AUM of $305,735,762 and has 4 employees, per a recent ADV filing. Most of the fund’s AUM appears to come from charitable organizations.

Report Period:

March 31, 2026

No. of Stocks:

18

Est. Stock Holding Value:

$200,569,021

Top Stock Holdings By Sector

Loading Graph...

Portfolio Stock Holdings - Mountaineer Partners Management, LLC

Stock
Holdings (Shares)
Holdings (USD)
% of Portfolio
Change (Shares)
Change (USD)
% Change

Loading Fund Data...