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Equibles

Walleye Trading LLC

Position in CENX — Century Aluminum Co

CIK 1388391 NEW YORK, NY
Back to CENX Full portfolio

Position in CENX

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$2,156,856
+$2,156,856 QoQ
Shares Held
46,878
Ownership
0.047%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#128
of 415 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CENX Over Time

Shares Held

Position Value (USD)

Derivatives in CENX

reported options exposure · as of Jun 30, 2026
CallValue
$1,550,537
CallShares
33,700
PutValue
$55,212
PutShares
1,200

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

Walleye Trading LLC holds $2,156,856 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 		46,878 $2,156,856

All Filings in CENX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $55,212 1,200
2026-06-30 $2,156,856 46,878
2026-06-30 $1,550,537 33,700
2026-03-31 $105,642 1,800
2026-03-31 $463,651 7,900
2025-12-31 $916,812 23,400
2025-12-31 $1,194,990 30,500
2025-12-31 $9,817,019 250,562
2025-09-30 $267,176 9,100
2025-09-30 $551,968 18,800
2025-09-30 $3,349,153 114,072
2025-06-30 $113,526 6,300
2025-06-30 $156,774 8,700
2025-06-30 $48,654 2,700
2024-12-31 $38,262 2,100
2024-12-31 $282,410 15,500
2024-09-30 $240,204 14,800
2024-06-30 $200,598 11,976
2024-06-30 $284,750 17,000
2024-03-31 $278,559 18,100
2023-12-31 $1,494,446 123,101
2023-12-31 $640,992 52,800
2023-12-31 $6,070 500
2023-09-30 $719 100
2023-09-30 $389,698 54,200
2023-06-30 $872 100
2023-06-30 $558,080 64,000
2023-03-31 $16,000 1,600
2023-03-31 $585,000 58,500
2022-12-31 $7,550 923
2022-12-31 $44,990 5,500
2022-12-31 $57,260 7,000
2022-09-30 $221,760 42,000
2022-09-30 $159,456 30,200
2022-09-30 $127,749 24,195
2022-06-30 $285,956 38,800
2022-06-30 $148,969 20,213
2022-06-30 $183,513 24,900
2022-03-31 $313,089 11,900
2022-03-31 $376,233 14,300
2022-03-31 $580,056 22,047
2021-12-31 $291,456 17,600
2021-12-31 $478,584 28,900
2021-12-31 $278,290 16,805
2021-09-30 $2,690 200
2021-09-30 $751,586 55,880
2021-09-30 $796,240 59,200
2021-06-30 $339,535 26,341
2021-06-30 $19,335 1,500
2021-06-30 $421,503 32,700