Parallax Volatility Advisers, L.P.
Position in CENX — Century Aluminum Co
CIK 1521001
San Francisco, CA
Position in CENX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
-$2,402,282 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Common Shares in CENX Over Time
Shares Held
Position Value (USD)
Derivatives in CENX
reported options exposure · as of Mar 31, 2026CallValue
$11,849,511
CallShares
201,900
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 Mar 31, 2026Parallax Volatility Advisers, L.P. holds $1,930,468 across 1 Aluminum name.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AA |
Alcoa Corp
|
29,104 | $1,930,468 |
All Filings in CENX
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,849,511 | 201,900 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $2,323,374 | 59,300 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $2,402,282 | 61,314 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,163,125 | 39,616 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $1,741,048 | 59,300 | Call | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||