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Cinctive Capital Management LP

Position in CENX — Century Aluminum Co

CIK 1787258 New York, NY

Position in CENX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,932,318
+$2,105,515 QoQ
Shares Held
107,201
+122.6% QoQ
Ownership
0.108%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#91
of 413 holders
Holding Since
Mar 2024
4 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 Dec 31, 2024
CallValue
$911,000
CallShares
50,000
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

Cinctive Capital Management LP holds $4,932,318 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
107,201 $4,932,318

All Filings in CENX

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,932,318 107,201
2026-03-31 $2,826,803 48,165
2024-12-31 $1,558,356 85,530
2024-12-31 $911,000 50,000
2024-03-31 $500,175 32,500