Century Aluminum CompanyCENX
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 221 institutions reported holding Century Aluminum Company (CENX) in their 13F filings, up 3 from Q1 2025. 43 opened new positions and 37 sold out. The largest holders were Glencore plc ($721.8M), BlackRock, Inc. ($183.1M) and Vanguard Group Inc. ($104.0M). 7 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- Century Aluminum Company
- CUSIP
- 156431108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $41.6M |
| Exits | 37 | $60.3M |
All 13F filers, Q1 2025 → Q2 2025: 10,920,943 shares bought and 7,509,794 shares sold, net +3,411,149 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 221 holders
| Glencore plc | 85.65% | Add +0.0% | 40,054,508 | $721.8M |
| BlackRock, Inc. | 0.00% | Add +2.7% | 10,159,276 | $183.1M |
| Vanguard Group Inc. | 0.00% | Add +1.0% | 5,769,880 | $104.0M |
| State Street Corp. | 0.00% | Add +13.2% | 3,665,546 | $66.1M |
| Dimensional Fund Advisors LP | 0.01% | Add +8.3% | 3,071,984 | $55.4M |
| Citadel Advisors | 0.03% | Reduce -3.2% | 1,922,657 | $34.6M |
| Boston Partners | 0.03% | Add +340.1% | 1,733,668 | $31.2M |
| Wexford Capital LP | 7.43% | Add +26.4% | 1,477,817 | $26.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.05% | Reduce -2.3% | 1,429,402 | $25.8M |
| Sourcerock Group LLC | 1.34% | Add +612.0% | 1,424,088 | $25.7M |
| Geode Capital Management, LLC | 0.00% | Add +0.5% | 1,300,691 | $23.4M |
| Woodline Partners LP | 0.12% | Add +23.9% | 1,289,491 | $23.2M |
| Fisher Asset Management | 0.01% | Reduce -19.6% | 1,063,585 | $19.2M |
| Bank of America Corp. | 0.00% | Add +59.2% | 1,002,397 | $18.1M |
| Wellington Management Group LLP | 0.00% | Add +41.5% | 981,602 | $17.7M |
| Morgan Stanley | 0.00% | Reduce -25.3% | 847,969 | $15.3M |
| Impala Asset Management LLC | 9.17% | Reduce -13.8% | 803,894 | $14.5M |
| Mountaineer Partners Management, LLC | 8.40% | Add +10.3% | 705,150 | $12.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.6% | 551,583 | $9.9M |
| UBS Group AG | 0.00% | Add +19.7% | 543,549 | $9.8M |
| Voloridge Investment Management, LLC | 0.04% | Add +305.7% | 541,555 | $9.8M |
| Qube Research & Technologies Ltd | 0.01% | Add +155.5% | 541,111 | $9.8M |
| Invesco Ltd. | 0.00% | Reduce -42.6% | 537,466 | $9.7M |
| Marshall Wace, LLP | 0.01% | New | 521,608 | $9.4M |
| Millennium Management | 0.01% | Add +1416.3% | 512,517 | $9.2M |
| Northern Trust Corp. | 0.00% | Reduce -3.5% | 508,364 | $9.2M |
| South Dakota Investment Council | 0.15% | Add +57.3% | 438,419 | $7.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +209.7% | 383,996 | $6.9M |
| Bank of New York Mellon Corp | 0.00% | Add +0.2% | 343,584 | $6.2M |
| First Eagle Investment Management, LLC | 0.01% | Reduce -7.4% | 338,056 | $6.1M |
| Icon Advisers Inc. | 1.35% | New | 325,200 | $5.9M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Add +13.7% | 290,000 | $5.2M |
| Verition Fund Management LLC | 0.03% | Add +728.0% | 284,433 | $5.1M |
| Royal Bank of Canada | 0.00% | Add +2343.7% | 283,976 | $5.1M |
| D. E. Shaw & Co. | 0.01% | Add +846.7% | 268,668 | $4.8M |
| CSM Advisors, LLC | 0.14% | New | 261,953 | $4.7M |
| Principal Financial Group Inc. | 0.00% | Reduce -20.7% | 259,211 | $4.7M |
| Squarepoint Ops LLC | 0.01% | Add +139.8% | 252,331 | $4.5M |
| Russell Investments Group, Ltd. | 0.01% | Add +93.5% | 250,325 | $4.5M |
| Balyasny Asset Management L.P. | 0.01% | Add +38.1% | 247,106 | $4.5M |
| Bastion Asset Management Inc. | 1.99% | Add +48.4% | 239,486 | $4.3M |
| Monaco Asset Management SAM | 1.57% | Add +67.3% | 230,000 | $4.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -40.8% | 224,714 | $4.0M |
| Thomist Capital Management, LP | 2.41% | Add +489.0% | 221,746 | $4.0M |
| Congress Asset Management Co. | 0.03% | Reduce -0.0% | 216,924 | $3.9M |
| CoreCommodity Management, LLC | 0.60% | Add +47.1% | 203,908 | $3.7M |
| State of Wisconsin Investment Board | 0.01% | Add +34.1% | 203,588 | $3.7M |
| Assenagon Asset Management S.A. | 0.01% | Reduce -32.5% | 200,899 | $3.6M |
| Cohen & Steers, Inc. | 0.01% | Reduce -3.1% | 195,963 | $3.5M |
| Hartree Partners, LP | 1.00% | New | 195,227 | $3.5M |
| Steamboat Capital Partners, LLC | 0.99% | Reduce -1.8% | 191,381 | $3.4M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -4.3% | 190,674 | $3.4M |
| Soviero Asset Management, LP | 2.51% | New | 190,000 | $3.4M |
| Public Sector Pension Investment Board | 0.01% | Add +8.1% | 178,097 | $3.2M |
| American Century Companies Inc. | 0.00% | Add +13.7% | 155,934 | $2.8M |
| Renaissance Technologies | 0.00% | New | 155,599 | $2.8M |
| Jane Street Group, LLC | 0.00% | Reduce -20.8% | 154,606 | $2.8M |
| ANTIPODES PARTNERS Ltd | 0.09% | New | 153,131 | $2.8M |
| Rhumbline Advisers | 0.00% | Add +3.3% | 147,135 | $2.7M |
| JPMorgan Chase & Co. | 0.00% | Add +7.1% | 147,046 | $2.6M |
| SummitTX Capital, L.P. | 0.11% | Reduce -27.7% | 143,072 | $2.6M |
| Legal & General Group Plc | 0.00% | Add +3.3% | 132,443 | $2.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -7.8% | 130,180 | $2.3M |
| Raymond James Financial Inc. | 0.00% | Add +20.3% | 123,415 | $2.2M |
| Nuveen, LLC | 0.00% | Reduce -85.0% | 118,806 | $2.1M |
| Wells Fargo & Company | 0.00% | Add +4.3% | 115,166 | $2.1M |
| BNP Paribas Financial Markets | 0.00% | Add +17.5% | 113,964 | $2.1M |
| Swiss National Bank | 0.00% | Reduce -2.0% | 105,750 | $1.9M |
| Barclays PLC | 0.00% | Add +10.9% | 104,765 | $1.9M |
| Encompass Capital Advisors LLC | 0.08% | Reduce -86.1% | 104,535 | $1.9M |
| LMR Partners LLP | 0.04% | Reduce -21.2% | 104,000 | $1.9M |
| Deutsche Bank AG | 0.00% | Reduce -6.2% | 100,353 | $1.8M |
| Intech Investment Management LLC | 0.02% | Reduce -26.6% | 99,163 | $1.8M |
| Prudential Financial Inc. | 0.00% | Reduce -32.9% | 98,187 | $1.8M |
| Victory Capital Management Inc. | 0.00% | Add +58.6% | 97,926 | $1.8M |
| Brevan Howard Capital Management LP | 0.02% | Add +358.6% | 85,302 | $1.5M |
| WINTON GROUP Ltd | 0.08% | Reduce -1.2% | 84,497 | $1.5M |
| Two Sigma Investments, LP | 0.00% | Reduce -57.5% | 81,785 | $1.5M |
| New York State Teachers Retirement System | 0.00% | Reduce -13.2% | 81,728 | $1.5M |
| State of Wyoming | 0.17% | New | 77,469 | $1.4M |
| Lighthouse Investment Partners, LLC | 0.06% | Add +5.2% | 73,612 | $1.3M |
| Boothbay Fund Management, LLC | 0.04% | Add +568.6% | 71,937 | $1.3M |
| Alliancebernstein L.P. | 0.00% | Add +17.5% | 70,700 | $1.3M |
| Jump Financial, LLC | 0.01% | New | 64,895 | $1.2M |
| Susquehanna International Group, LLP | 0.00% | Reduce -14.9% | 63,691 | $1.1M |
| Aldebaran Capital, LLC | 1.09% | Reduce -0.2% | 61,185 | $1.1M |
| Lombard Odier Asset Management (USA) Corp | 0.34% | Reduce -4.3% | 60,411 | $1.1M |
| AQR Capital Management | 0.00% | Add +40.2% | 54,667 | $985K |
| Algert Global LLC | 0.02% | Reduce -71.9% | 53,493 | $964K |
| HSBC Holdings PLC | 0.00% | Add +106.6% | 52,399 | $947K |
| Dynamic Technology Lab Private Ltd | 0.12% | New | 48,600 | $876K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +8.2% | 48,209 | $869K |
| California State Teachers Retirement System | 0.00% | Reduce -7.4% | 47,972 | $864K |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.4% | 46,509 | $839K |
| Citigroup Inc. | 0.00% | Reduce -45.3% | 46,033 | $830K |
| Jennison Associates LLC | 0.00% | Reduce -4.0% | 45,172 | $814K |
| Franklin Resources Inc. | 0.00% | Reduce -1.7% | 44,924 | $810K |
| Centiva Capital, LP | 0.05% | Add +22.0% | 44,654 | $805K |
| Quantbot Technologies LP | 0.02% | Reduce -65.8% | 41,380 | $746K |
| Bank of Montreal | 0.00% | Reduce -76.7% | 40,159 | $724K |
"% of holder's portfolio" is CENX's weight in each manager's 13F, not the share of Century Aluminum Company the manager owns.