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Mountaineer Partners Management, LLC

Position in AA — Alcoa Corp

CIK 1730532 New York, NY

Position in AA

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$10,853,722
-$4,646,735 QoQ
Shares Held
208,165
-10.9% QoQ
Ownership
0.079%
of shares outstanding
% of Portfolio
8.05%
of 13F equity value
Holder Rank
#101
of 711 holders
Holding Since
Mar 2022
15 quarters on record
Voting authority Sole 79% Shared 0% None 21%

Common Shares in AA Over Time

Shares Held

Position Value (USD)

Position in Aluminum

Basic Materials · as of Jun 30, 2026

Mountaineer Partners Management, LLC holds $49,376,451 across 3 Aluminum names. AA ranks #3 (22.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 AA
Alcoa Corp
This page
208,165 $10,853,722

All Filings in AA

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,853,722 208,165
2026-03-31 $15,500,457 233,687
2025-12-31 $12,859,560 241,994
2025-09-30 $9,756,554 296,642
2025-06-30 $8,994,086 304,781
2025-03-31 $8,111,932 265,965
2024-12-31 $9,738,852 257,778
2024-09-30 $10,795,879 279,831
2024-06-30 $10,416,153 261,844
2024-03-31 $7,621,299 225,549
2023-12-31 $8,171,696 240,344
2023-09-30 $6,984,395 240,344
2023-06-30 $7,951,121 234,339
2023-03-31 $8,002,045 188,018
2022-03-31 $14,720,534 163,507