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Equibles

CITADEL ADVISORS LLC

Position in CENX — Century Aluminum Co

CIK 1423053 MIAMI, FL
Back to CENX Full portfolio

Position in CENX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$77,521,683
+$50,204,722 QoQ
Shares Held
1,320,867
+89.4% QoQ
Ownership
1.33%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 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)

Derivatives in CENX

reported options exposure · as of Mar 31, 2026
CallValue
$10,969,161
CallShares
186,900
PutValue
$10,722,663
PutShares
182,700

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 Mar 31, 2026

CITADEL ADVISORS LLC holds $152,156,712 across 4 Aluminum names. CENX ranks #1 (50.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CENX
Century Aluminum Co
This page 		1,320,867 $77,521,683
2 AA
Alcoa Corp
 829,352 $55,010,917
3 CSTM
Constellium SE
 770,608 $18,941,544
4 KALU
Kaiser Aluminum Corp
 5,664 $682,568

All Filings in CENX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $10,722,663 182,700
2026-03-31 $10,969,161 186,900
2026-03-31 $77,521,683 1,320,867
2025-12-31 $4,059,048 103,600
2025-12-31 $27,316,961 697,217
2025-12-31 $5,924,016 151,200
2025-09-30 $44,207,234 1,505,696
2025-09-30 $4,630,072 157,700
2025-09-30 $1,174,400 40,000
2025-06-30 $2,329,986 129,300
2025-06-30 $2,811,120 156,000
2025-06-30 $34,646,278 1,922,657
2025-03-31 $3,589,504 193,400
2025-03-31 $36,872,093 1,986,643
2025-03-31 $2,975,168 160,300
2024-12-31 $5,721,680 314,033
2024-12-31 $1,463,066 80,300
2024-12-31 $1,752,764 96,200
2024-09-30 $331,627 20,433
2024-09-30 $1,347,090 83,000
2024-09-30 $1,371,435 84,500
2024-06-30 $462,300 27,600
2024-06-30 $1,718,550 102,600
2024-06-30 $2,454,377 146,530
2024-03-31 $2,007,902 130,468
2024-03-31 $1,263,519 82,100
2024-03-31 $272,403 17,700
2023-12-31 $498,954 41,100
2023-12-31 $15,509,080 1,277,519
2023-12-31 $2,805,554 231,100
2023-09-30 $13,003,258 1,808,520
2023-09-30 $880,775 122,500
2023-09-30 $655,728 91,200
2023-06-30 $14,731,985 1,689,448
2023-06-30 $709,808 81,400
2023-06-30 $2,344,808 268,900
2023-03-31 $2,891,000 289,100
2023-03-31 $1,090,000 109,000
2023-03-31 $21,974,550 2,197,455
2022-12-31 $14,244,659 1,741,401
2022-12-31 $5,775,080 706,000
2022-12-31 $1,227,000 150,000
2022-09-30 $3,540,240 670,500
2022-09-30 $3,891,360 737,000
2022-09-30 $306,768 58,100
2022-06-30 $8,133,635 1,103,614
2022-06-30 $686,884 93,200
2022-06-30 $743,633 100,900
2022-03-31 $2,054,811 78,100
2022-03-31 $8,238,950 313,149

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