Century Aluminum CompanyCENX
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 255 institutions reported holding Century Aluminum Company (CENX) in their 13F filings, up 34 from Q2 2025. 67 opened new positions and 33 sold out. The largest holders were Glencore plc ($1.2B), BlackRock, Inc. ($297.4M) and Vanguard Group Inc. ($171.6M). 7 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Century Aluminum Company
- CUSIP
- 156431108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 67 | $71.0M |
| Exits | 33 | $39.1M |
All 13F filers, Q2 2025 → Q3 2025: 9,926,894 shares bought and 8,946,290 shares sold, net +980,604 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 255 holders
| Glencore plc | 29.67% | Add +0.0% | 40,057,356 | $1.2B |
| BlackRock, Inc. | 0.01% | Reduce -0.3% | 10,127,959 | $297.4M |
| Vanguard Group Inc. | 0.00% | Add +1.3% | 5,845,537 | $171.6M |
| State Street Corp. | 0.00% | Add +15.1% | 4,217,816 | $123.8M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -0.3% | 3,061,234 | $89.9M |
| Sourcerock Group LLC | 5.27% | Add +85.4% | 2,640,465 | $77.5M |
| Citadel Advisors | 0.04% | Reduce -21.7% | 1,505,696 | $44.2M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.07% | Add +2.0% | 1,457,401 | $42.8M |
| Morgan Stanley | 0.00% | Add +68.9% | 1,432,363 | $42.1M |
| Geode Capital Management, LLC | 0.00% | Add +1.4% | 1,318,996 | $38.7M |
| Boston Partners | 0.03% | Reduce -34.3% | 1,139,661 | $33.5M |
| Fisher Asset Management | 0.01% | Reduce -9.1% | 966,575 | $28.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +123.9% | 859,900 | $25.2M |
| Invesco Ltd. | 0.00% | Add +58.1% | 849,522 | $24.9M |
| Qube Research & Technologies Ltd | 0.03% | Add +52.1% | 823,130 | $24.2M |
| Encompass Capital Advisors LLC | 1.07% | Add +676.0% | 811,162 | $23.8M |
| Voloridge Investment Management, LLC | 0.08% | Add +47.1% | 796,883 | $23.4M |
| American Century Companies Inc. | 0.01% | Add +392.3% | 767,692 | $22.5M |
| Impala Asset Management LLC | 12.56% | Reduce -14.3% | 689,000 | $20.2M |
| Mountaineer Partners Management, LLC | 11.29% | Reduce -6.3% | 661,043 | $19.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +144.8% | 550,103 | $16.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.7% | 542,290 | $15.9M |
| Northern Trust Corp. | 0.00% | Add +1.9% | 518,162 | $15.2M |
| UBS Group AG | 0.00% | Reduce -12.7% | 474,477 | $13.9M |
| Steamboat Capital Partners, LLC | 3.62% | Add +146.6% | 471,929 | $13.9M |
| Millennium Management | 0.01% | Reduce -13.6% | 442,673 | $13.0M |
| JPMorgan Chase & Co. | 0.00% | Add +188.5% | 424,252 | $12.5M |
| Assenagon Asset Management S.A. | 0.02% | Add +103.1% | 407,939 | $12.0M |
| Bank of America Corp. | 0.00% | Reduce -60.4% | 397,231 | $11.7M |
| South Dakota Investment Council | 0.22% | Reduce -13.1% | 381,161 | $11.2M |
| Renaissance Technologies | 0.01% | Add +134.6% | 365,099 | $10.7M |
| Principal Financial Group Inc. | 0.01% | Add +35.4% | 350,858 | $10.3M |
| First Eagle Investment Management, LLC | 0.02% | Add +0.6% | 340,153 | $10.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.9% | 336,880 | $9.9M |
| CSM Advisors, LLC | 0.24% | Add +13.8% | 298,204 | $8.8M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Add +1.7% | 295,000 | $8.7M |
| Royal Bank of Canada | 0.00% | Reduce -4.8% | 270,467 | $7.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +3.1% | 258,005 | $7.6M |
| Icon Advisers Inc. | 1.57% | Reduce -25.6% | 242,000 | $7.1M |
| Woodline Partners LP | 0.03% | Reduce -82.9% | 220,264 | $6.5M |
| Susquehanna International Group, LLP | 0.01% | Add +242.5% | 218,151 | $6.4M |
| Hartree Partners, LP | 2.22% | Add +11.5% | 217,765 | $6.4M |
| Jefferies Financial Group Inc. | 0.06% | New | 213,350 | $6.3M |
| Public Sector Pension Investment Board | 0.02% | Add +16.5% | 207,521 | $6.1M |
| Wexford Capital LP | 1.83% | Reduce -86.0% | 206,513 | $6.1M |
| Congress Asset Management Co. | 0.04% | Reduce -6.6% | 202,609 | $5.9M |
| D. E. Shaw & Co. | 0.01% | Reduce -25.0% | 201,594 | $5.9M |
| Cohen & Steers, Inc. | 0.01% | Add +1.6% | 199,000 | $5.8M |
| Wellington Management Group LLP | 0.00% | Reduce -80.2% | 194,094 | $5.7M |
| Trexquant Investment LP | 0.06% | New | 189,355 | $5.6M |
| Monaco Asset Management SAM | 1.88% | Reduce -26.6% | 168,752 | $5.0M |
| Jane Street Group, LLC | 0.01% | Add +7.5% | 166,246 | $4.9M |
| Edgestream Partners, L.P. | 0.13% | New | 156,867 | $4.6M |
| Wells Fargo & Company | 0.00% | Add +35.8% | 156,420 | $4.6M |
| Invenomic Capital Management LP | 0.24% | New | 155,269 | $4.6M |
| Baird Financial Group, Inc. | 0.01% | New | 154,578 | $4.5M |
| Wealth High Governance Capital Ltda | 1.26% | New | 150,000 | $4.4M |
| Royce & Associates LP | 0.04% | New | 148,460 | $4.4M |
| Rhumbline Advisers | 0.00% | Add +0.1% | 147,254 | $4.3M |
| Campbell & CO Investment Adviser LLC | 0.32% | Add +620.8% | 143,144 | $4.2M |
| Ameriprise Financial Inc. | 0.00% | Add +9.7% | 142,809 | $4.2M |
| Legal & General Group Plc | 0.00% | Add +0.7% | 133,399 | $3.9M |
| Raymond James Financial Inc. | 0.00% | Add +5.1% | 129,720 | $3.8M |
| State of Wisconsin Investment Board | 0.01% | Reduce -37.3% | 127,700 | $3.7M |
| Cubist Systematic Strategies, LLC | 0.05% | New | 120,344 | $3.5M |
| Boothbay Fund Management, LLC | 0.09% | Add +66.7% | 119,918 | $3.5M |
| Nuveen, LLC | 0.00% | Reduce -1.8% | 116,653 | $3.4M |
| BNP Paribas Financial Markets | 0.00% | Add +2.0% | 116,219 | $3.4M |
| Walleye Trading LLC | 0.05% | Add +4124.9% | 114,072 | $3.3M |
| Swiss National Bank | 0.00% | Add +2.5% | 108,450 | $3.2M |
| Amitell Capital Pte Ltd | 2.34% | New | 108,000 | $3.2M |
| Victory Capital Management Inc. | 0.00% | Add +8.3% | 106,007 | $3.1M |
| Deutsche Bank AG | 0.00% | Add +4.6% | 104,986 | $3.1M |
| BW Gestao de Investimentos Ltda. | 0.22% | New | 100,000 | $2.9M |
| CoreCommodity Management, LLC | 0.46% | Reduce -57.4% | 86,832 | $2.5M |
| Barclays PLC | 0.00% | Reduce -17.6% | 86,330 | $2.5M |
| Thomist Capital Management, LP | 0.77% | Reduce -62.1% | 83,991 | $2.5M |
| Verition Fund Management LLC | 0.01% | Reduce -70.7% | 83,318 | $2.4M |
| Sei Investments Co. | 0.00% | Add +293.6% | 82,373 | $2.4M |
| New York State Teachers Retirement System | 0.00% | No change | 81,728 | $2.4M |
| Intech Investment Management LLC | 0.02% | Reduce -20.1% | 79,273 | $2.3M |
| Lombard Odier Asset Management (USA) Corp | 0.60% | Add +26.6% | 76,500 | $2.2M |
| Headlands Technologies LLC | 0.17% | Add +378.1% | 71,691 | $2.1M |
| LMR Partners LLP | 0.04% | Reduce -32.7% | 70,000 | $2.1M |
| Voleon Capital Management LP | 0.05% | New | 68,030 | $2.0M |
| Alliancebernstein L.P. | 0.00% | Reduce -6.3% | 66,243 | $1.9M |
| AQR Capital Management | 0.00% | Add +20.9% | 66,073 | $1.9M |
| Caxton Associates LLP | 0.05% | New | 62,357 | $1.8M |
| Aldebaran Capital, LLC | 1.61% | Reduce -2.6% | 59,565 | $1.7M |
| LPL Financial LLC | 0.00% | Add +460.8% | 59,272 | $1.7M |
| Prudential Financial Inc. | 0.00% | Reduce -40.9% | 58,077 | $1.7M |
| Brevan Howard Capital Management LP | 0.02% | Reduce -34.7% | 55,723 | $1.6M |
| Algert Global LLC | 0.03% | Add +0.8% | 53,943 | $1.6M |
| Engineers Gate Manager LP | 0.02% | New | 51,881 | $1.5M |
| California State Teachers Retirement System | 0.00% | Add +6.8% | 51,243 | $1.5M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 50,114 | $1.5M |
| State of Wyoming | 0.17% | Reduce -35.7% | 49,828 | $1.5M |
| Osaic Holdings, Inc. | 0.00% | Add +261.3% | 60,601 | $1.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.5% | 49,508 | $1.5M |
| WINTON GROUP Ltd | 0.05% | Reduce -42.1% | 48,912 | $1.4M |
"% of holder's portfolio" is CENX's weight in each manager's 13F, not the share of Century Aluminum Company the manager owns.