Position in CENX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$84,124,425
+$37,463,514 QoQ
Shares Held
1,433,369
+20.4% QoQ
Ownership
1.45%
of shares outstanding
% of Portfolio
0.07%
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, 2026CallValue
$0
CallShares
0
PutValue
$2,564,753
PutShares
43,700
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, 2026D. E. Shaw & Co., Inc. holds $414,725,334 across 4 Aluminum names. CENX ranks #2 (20.3% of the industry book) .
All Filings in CENX
Export CSV
32 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $84,124,425 | 1,433,369 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $2,564,753 | 43,700 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $46,660,911 | 1,190,937 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $5,918,799 | 201,594 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $4,841,397 | 268,668 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $526,714 | 28,379 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $238,682 | 13,100 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $2,467,460 | 135,426 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $424,526 | 23,300 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $1,136,100 | 70,000 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $461,938 | 28,462 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,971,475 | 117,700 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $1,227,808 | 73,302 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $777,318 | 50,508 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $2,955,797 | 243,476 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $2,421,490 | 336,786 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $2,339,907 | 268,338 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $4,045,460 | 404,546 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $6,897,678 | 843,237 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $1,845,918 | 349,606 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $341,968 | 46,400 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $1,220,784 | 46,400 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $2,695,951 | 162,799 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $931,829 | 69,281 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $2,819,159 | 218,709 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $449,835 | 25,472 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $110,939 | 10,058 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $528,695 | 74,255 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $374,325 | 52,500 | Put | Defined | 2020-08-14 | |
| 2020-06-30 | $354,018 | 49,652 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $190,050 | 52,500 | Put | Defined | 2020-05-15 | |
| 2020-03-31 | $87,187 | 24,085 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||