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D. E. Shaw & Co., Inc.

Position in CENX — Century Aluminum Co

CIK 1009207 New York, NY

Position in CENX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$36,611,904
-$47,512,521 QoQ
Shares Held
795,738
-44.5% QoQ
Ownership
0.804%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#23
of 414 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 96% Shared 0% None 4%

Common Shares in CENX Over Time

Shares Held

Position Value (USD)

Derivatives in CENX

reported options exposure · as of Jun 30, 2026
CallValue
$418,691
CallShares
9,100
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Aluminum

Basic Materials · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $313,283,433 across 4 Aluminum names. CENX ranks #3 (11.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CENX
Century Aluminum Co
This page
795,738 $36,611,904

All Filings in CENX

Export CSV
34 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $418,691 9,100
2026-06-30 $36,611,904 795,738
2026-03-31 $84,124,425 1,433,369
2026-03-31 $2,564,753 43,700
2025-12-31 $46,660,911 1,190,937
2025-09-30 $5,918,799 201,594
2025-06-30 $4,841,397 268,668
2025-03-31 $526,714 28,379
2024-12-31 $238,682 13,100
2024-12-31 $2,467,460 135,426
2024-12-31 $424,526 23,300
2024-09-30 $1,136,100 70,000
2024-09-30 $461,938 28,462
2024-06-30 $1,971,475 117,700
2024-06-30 $1,227,808 73,302
2024-03-31 $777,318 50,508
2023-12-31 $2,955,797 243,476
2023-09-30 $2,421,490 336,786
2023-06-30 $2,339,907 268,338
2023-03-31 $4,045,460 404,546
2022-12-31 $6,897,678 843,237
2022-09-30 $1,845,918 349,606
2022-06-30 $341,968 46,400
2022-03-31 $1,220,784 46,400
2021-12-31 $2,695,951 162,799
2021-09-30 $931,829 69,281
2021-06-30 $2,819,159 218,709
2021-03-31 $449,835 25,472
2020-12-31 $110,939 10,058
2020-09-30 $528,695 74,255
2020-06-30 $374,325 52,500
2020-06-30 $354,018 49,652
2020-03-31 $190,050 52,500
2020-03-31 $87,187 24,085