Century Aluminum CompanyCENX
13F holders, Q1 2026 (March 31)387holders +61
100new positions
40sold out
9famous investors
$58.66avg. 13F price*
At the end of Q1 2026, 387 institutions reported holding Century Aluminum Company (CENX) in their 13F filings, up 61 from Q4 2025. 100 opened new positions and 40 sold out. The largest holders were Glencore plc ($1.7B), BlackRock, Inc. ($528.8M) and State Street Corp. ($273.9M). 9 famous investors held it, including Ray Dalio (0.2% of Bridgewater Associates's portfolio), Israel Englander (0.1% of Millennium Management's portfolio) and Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio).
- Company
- Century Aluminum Company
- CUSIP
- 156431108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 100 | $210.3M |
| Exits | 40 | $89.2M |
All 13F filers, Q4 2025 → Q1 2026: 18,659,663 shares bought and 17,943,734 shares sold, net +715,929 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 387 holders
| Glencore plc | 29.46% | Reduce -17.5% | 29,690,702 | $1.7B |
| BlackRock, Inc. | 0.01% | Reduce -5.0% | 9,010,379 | $528.8M |
| State Street Corp. | 0.01% | Add +8.7% | 4,667,540 | $273.9M |
| Vanguard Portfolio Management LLC | 0.01% | — | 4,241,557 | $248.9M |
| Sourcerock Group LLC | 6.63% | Reduce -25.8% | 2,687,249 | $157.7M |
| FMR LLC | 0.01% | Add +30454.3% | 2,660,054 | $156.1M |
| Vanguard Capital Management LLC | 0.00% | — | 2,586,107 | $151.8M |
| Dimensional Fund Advisors LP | 0.03% | Reduce -20.8% | 2,190,922 | $128.6M |
| Invesco Ltd. | 0.01% | Add +229.9% | 2,076,528 | $121.9M |
| Millennium Management | 0.09% | Add +40.2% | 1,987,625 | $116.7M |
| Assenagon Asset Management S.A. | 0.17% | Add +109.7% | 1,830,324 | $107.4M |
| Morgan Stanley | 0.01% | Reduce -1.5% | 1,585,230 | $93.0M |
| Encompass Capital Advisors LLC | 3.71% | Add +210.4% | 1,551,362 | $91.0M |
| Geode Capital Management, LLC | 0.01% | Add +16.8% | 1,540,212 | $90.4M |
| D. E. Shaw & Co. | 0.07% | Add +20.4% | 1,433,369 | $84.1M |
| Jane Street Group, LLC | 0.08% | Add +3081.6% | 1,320,942 | $77.5M |
| Citadel Advisors | 0.06% | Add +89.5% | 1,320,867 | $77.5M |
| Impala Asset Management LLC | 26.66% | Add +13.7% | 975,000 | $57.2M |
| Fisher Asset Management | 0.02% | Reduce -1.8% | 851,301 | $50.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.06% | Reduce -46.4% | 800,131 | $46.9M |
| Bridgewater Associates | 0.19% | Add +169.5% | 732,517 | $43.0M |
| Voloridge Investment Management, LLC | 0.17% | Reduce -23.4% | 720,735 | $42.3M |
| Bank of America Corp. | 0.00% | Add +98.0% | 608,794 | $35.7M |
| Allspring Global Investments Holdings, LLC | 0.06% | Add +23.3% | 562,030 | $35.7M |
| Deutsche Bank AG | 0.01% | Add +452.3% | 598,025 | $35.1M |
| Qube Research & Technologies Ltd | 0.05% | Reduce -18.8% | 589,928 | $34.6M |
| UBS Group AG | 0.01% | Reduce -47.2% | 586,766 | $34.4M |
| Mountaineer Partners Management, LLC | 17.02% | Reduce -4.0% | 583,997 | $34.3M |
| Point72 Asset Management | 0.06% | Add +230.3% | 569,451 | $33.4M |
| Northern Trust Corp. | 0.00% | Add +5.2% | 548,744 | $32.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.6% | 544,511 | $32.0M |
| Bornite Capital Management LP | 5.35% | Add +116.8% | 542,000 | $31.8M |
| Kinetic Partners Management, LP | 1.75% | New | 531,700 | $31.2M |
| Merewether Investment Management, LP | 0.58% | New | 514,800 | $30.2M |
| Jefferies Financial Group Inc. | 0.36% | Add +353.8% | 484,193 | $28.4M |
| JPMorgan Chase & Co. | 0.00% | Add +141.2% | 516,623 | $27.5M |
| Rokos Capital Management LLP | 0.46% | New | 436,688 | $25.6M |
| Squarepoint Ops LLC | 0.05% | Add +1001.8% | 410,093 | $24.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -43.0% | 379,148 | $22.3M |
| Wellington Management Group LLP | 0.00% | Add +91.3% | 378,447 | $22.2M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 378,295 | $22.2M |
| Westend Capital Management, LLC | 6.66% | Add +1.0% | 378,073 | $22.2M |
| Bank of New York Mellon Corp | 0.00% | Add +0.1% | 335,864 | $19.7M |
| Boston Partners | 0.02% | Reduce -48.4% | 309,896 | $18.2M |
| Nuveen, LLC | 0.00% | Add +163.4% | 308,977 | $18.1M |
| BW Gestao de Investimentos Ltda. | 0.81% | Add +68.1% | 308,758 | $18.1M |
| Engineers Gate Manager LP | 0.22% | Add +500.7% | 297,509 | $17.5M |
| Picton Mahoney Asset Management | 0.18% | New | 295,330 | $17.3M |
| Nicholas Investment Partners, LP | 1.41% | Add +0.5% | 292,402 | $17.2M |
| Drummond Knight Asset Management Pty Ltd | 5.84% | Reduce -10.3% | 281,092 | $16.5M |
| Tudor Investment Corporation | 0.09% | Reduce -23.7% | 279,161 | $16.4M |
| Steamboat Capital Partners, LLC | 4.03% | Reduce -34.8% | 276,248 | $16.2M |
| CANADA LIFE ASSURANCE Co | 0.03% | Add +136.4% | 275,405 | $16.2M |
| Royce & Associates LP | 0.15% | Reduce -15.9% | 264,341 | $15.5M |
| Principal Financial Group Inc. | 0.01% | Reduce -35.0% | 260,426 | $15.3M |
| Wealth High Governance Asset Management Ltda. | 2.38% | Add +70.1% | 259,475 | $15.2M |
| Congress Asset Management Co. | 0.11% | Add +22.8% | 253,435 | $14.9M |
| CDC Financial, Inc. | 12.03% | Reduce -28.3% | 246,680 | $14.5M |
| Public Sector Pension Investment Board | 0.04% | Add +32.3% | 243,897 | $14.3M |
| American Century Companies Inc. | 0.01% | Reduce -76.2% | 232,034 | $13.6M |
| Bank of Montreal | 0.01% | Add +560.7% | 227,736 | $13.4M |
| Yaupon Capital Management LP | 0.61% | New | 211,201 | $12.4M |
| HRT Financial LP | 0.03% | Add +166.7% | 195,992 | $11.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | Add +219.6% | 184,061 | $10.8M |
| Icon Advisers Inc. | 2.40% | Reduce -28.4% | 173,200 | $10.2M |
| AQR Capital Management | 0.00% | Add +154.6% | 166,233 | $9.8M |
| First Eagle Investment Management, LLC | 0.02% | Reduce -45.9% | 163,087 | $9.6M |
| Cibc World Market Inc. | 0.02% | New | 160,632 | $9.4M |
| Rhumbline Advisers | 0.01% | Add +4.5% | 158,208 | $9.3M |
| Systematic Financial Management LP | 0.21% | Reduce -5.3% | 157,722 | $9.3M |
| CSM Advisors, LLC | 0.22% | Reduce -30.6% | 155,684 | $9.1M |
| Wells Fargo & Company | 0.00% | Reduce -26.5% | 151,938 | $8.9M |
| Burkehill Global Management, LP | 0.46% | Reduce -70.0% | 150,000 | $8.8M |
| Insight Wealth Strategies, LLC | 0.96% | Reduce -5.2% | 146,024 | $8.6M |
| Barclays PLC | 0.00% | Add +36.7% | 143,299 | $8.4M |
| Wealth High Governance Capital Ltda | 2.48% | Add +44.2% | 140,525 | $8.2M |
| Renaissance Technologies | 0.01% | Add +18.2% | 139,499 | $8.2M |
| Franklin Resources Inc. | 0.00% | Add +163.4% | 124,816 | $7.3M |
| Cohen & Steers, Inc. | 0.01% | Reduce -17.2% | 118,183 | $6.9M |
| BNP Paribas Financial Markets | 0.00% | Add +14.3% | 113,252 | $6.6M |
| Legal & General Group Plc | 0.00% | Reduce -10.2% | 112,563 | $6.6M |
| Swiss National Bank | 0.00% | No change | 110,450 | $6.5M |
| Raymond James Financial Inc. | 0.00% | Reduce -15.9% | 109,592 | $6.4M |
| Alliancebernstein L.P. | 0.00% | Add +111.8% | 159,508 | $6.2M |
| Edgestream Partners, L.P. | 0.20% | Reduce -32.8% | 105,739 | $6.2M |
| Bessemer Group Inc. | 0.01% | Add +0.1% | 102,496 | $6.0M |
| Ameriprise Financial Inc. | 0.00% | Add +3.2% | 100,631 | $5.9M |
| State of Wisconsin Investment Board | 0.01% | Reduce -42.4% | 100,242 | $5.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -87.1% | 96,317 | $5.7M |
| Balyasny Asset Management L.P. | 0.01% | New | 95,068 | $5.6M |
| Portolan Capital Management, LLC | 0.30% | New | 95,039 | $5.6M |
| Y-Intercept (Hong Kong) Ltd | 0.10% | Reduce -36.0% | 90,400 | $5.3M |
| Caxton Associates LLP | 0.12% | Reduce -12.6% | 88,690 | $5.2M |
| Informed Momentum Co LLC | 0.58% | Reduce -9.4% | 85,714 | $5.0M |
| Boothbay Fund Management, LLC | 0.12% | Reduce -43.9% | 82,945 | $4.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +10.3% | 82,822 | $4.9M |
| Moore Capital Management, LP | 0.19% | New | 82,752 | $4.9M |
| GeoSphere Capital Management, LLC | 2.90% | New | 82,000 | $4.8M |
| Susquehanna International Group, LLP | 0.01% | Reduce -62.7% | 78,472 | $4.6M |
| Neuberger Berman Group LLC | 0.00% | Add +471.2% | 73,151 | $4.3M |
"% of holder's portfolio" is CENX's weight in each manager's 13F, not the share of Century Aluminum Company the manager owns.