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Sourcerock Group LLC

Position in CENX — Century Aluminum Co

CIK 1822531 DENVER, CO

Position in CENX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$157,714,643
+$15,805,310 QoQ
Shares Held
2,687,249
-25.8% QoQ
Ownership
2.72%
of shares outstanding
% of Portfolio
6.75%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2021
8 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in CENX Over Time

Shares Held

Position Value (USD)

Position in Aluminum

Basic Materials · as of Mar 31, 2026

Sourcerock Group LLC holds $157,714,643 across 1 Aluminum name. CENX ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CENX
Century Aluminum Co
This page
2,687,249 $157,714,643

All Filings in CENX

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $157,714,643 2,687,249
2025-12-31 $141,909,333 3,621,984
2025-09-30 $77,524,052 2,640,465
2025-06-30 $25,662,065 1,424,088
2025-03-31 $3,712,000 200,000
2024-12-31 $5,363,913 294,397
2024-09-30 $15,132,705 932,391
2021-06-30 $3,867,000 300,000