Century Aluminum Co
CENX- Exchange
- Nasdaq
- Industry
- Primary Production of Aluminum
- SEC CIK
- 0000949157
No open-market purchases or sales by Century Aluminum Co insiders were filed in the last 90 days; 416 institutions reported holding it in 13F filings for Q2 2026, worth $4.79B in total; no superinvestor holds it.
13F holders, Q1 2024
Institutional positions in Century Aluminum Co as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 180
- +9 vs. Q4 2023
- Shares held
- 54.4M
- −2.72M (−4.8%) vs. Q4 2023
- Total value
- $829.8M
- +$136.4M (+19.7%) vs. Q4 2023
- New holders
- 33
- 48 more added
- Sold out
- 24
- 75 more reduced
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CENX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 416 | $4.79B |
| Q1 2026 | 387 | $5.92B |
| Q4 2025 | 326 | $3.92B |
| Q3 2025 | 255 | $2.83B |
| Q2 2025 | 222 | $1.72B |
| Q1 2025 | 218 | $1.72B |
| Q4 2024 | 222 | $1.68B |
| Q3 2024 | 197 | $892.4M |
| Q2 2024 | 191 | $923.2M |
| Q1 2024 | 180 | $829.8M |
| Q4 2023 | 171 | $693.3M |
| Q3 2023 | 162 | $378.2M |
| Q2 2023 | 160 | $438.5M |
| Q1 2023 | 168 | $518.2M |
| Q4 2022 | 169 | $423.5M |
| Q3 2022 | 176 | $269.4M |
| Q2 2022 | 172 | $415.9M |
| Q1 2022 | 190 | $1.39B |
| Q4 2021 | 164 | $844.8M |
| Q3 2021 | 148 | $674.8M |
| Q2 2021 | 146 | $673.3M |
| Q1 2021 | 139 | $823.3M |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Thrivent Financial for Lutherans | 44,891 | $691.0K | 0.00% | −1,219−2.6% | Reduced |
| Texas Permanent School Fund | 45,288 | $697.0K | 0.01% | +1,102+2.5% | Added |
| HSBC Holdings PLC | 45,330 | $697.6K | 0.00% | −5,425−10.7% | Reduced |
| State of Wisconsin Investment Board | 48,306 | $743.4K | 0.00% | +48,306 | New |
| Barclays PLC | 49,763 | $765.9K | 0.00% | −33,708−40.4% | Reduced |
| D. E. Shaw & Co., Inc. | 50,508 | $777.3K | 0.00% | −192,968−79.3% | Reduced |
| Numerai GP LLC | 52,724 | $811.4K | 0.35% | +52,724 | New |
| CoreCommodity Management, LLC | 52,745 | $811.7K | 0.29% | −1,689−3.1% | Reduced |
| California State Teachers Retirement System | 55,155 | $848.8K | 0.00% | −2,885−5.0% | Reduced |
| Prudential Financial Inc | 59,062 | $909.0K | 0.00% | −1,850−3.0% | Reduced |
| Hudson Bay Capital Management LP | 60,000 | $923.4K | 0.01% | −45,000−42.9% | Reduced |
| Bridgeway Capital Management, LLC | 63,578 | $978.5K | 0.02% | −554,457−89.7% | Reduced |
| Empowered Funds, LLC | 63,578 | $978.5K | 0.02% | −232,157−78.5% | Reduced |
| Aldebaran Capital, LLC | 65,390 | $1.01M | 0.96% | −1,210−1.8% | Reduced |
| Perennial Advisors, LLC | 68,293 | $1.05M | 0.24% | −53,762−44.0% | Reduced |
| UBS Asset Management Americas Inc | 69,667 | $1.07M | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 73,370 | $1.13M | 0.00% | +1,380+1.9% | Added |
| Susquehanna International Group, LLP | 75,900 | $1.17M | 0.00% | −63,641−45.6% | Reduced |
| Jane Street Group, LLC | 76,114 | $1.17M | 0.00% | −259,975−77.4% | Reduced |
| Norges Bank | 77,037 | $1.19M | 0.00% | 00.0% | Unchanged |
| Zacks Investment Management | 78,875 | $1.21M | 0.01% | +78,875 | New |
| Winton Group Ltd | 80,797 | $1.24M | 0.09% | +80,797 | New |
| Verition Fund Management LLC | 84,140 | $1.29M | 0.01% | +72,420+617.9% | Added |
| Highland Peak Capital, LLC | 89,882 | $1.38M | 0.84% | +21,381+31.2% | Added |
| Bank of Montreal | 93,389 | $1.44M | 0.00% | −63,425−40.4% | Reduced |
| Deutsche Bank AG | 94,966 | $1.46M | 0.00% | −68−0.1% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 95,457 | $1.47M | 0.03% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 105,105 | $1.62M | 0.00% | +3,100+3.0% | Added |
| Encompass Capital Advisors LLC | 107,100 | $1.65M | 0.09% | +107,100 | New |
| Public Sector Pension Investment Board | 107,385 | $1.65M | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 109,004 | $1.68M | 0.13% | +82,703+314.4% | Added |
| Swiss National Bank | 109,250 | $1.68M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 114,934 | $1.77M | 0.00% | −3,391−2.9% | Reduced |
| Nuveen Asset Management, LLC | 128,078 | $1.97M | 0.00% | −8,482−6.2% | Reduced |
| Citadel Advisors LLC | 130,468 | $2.01M | 0.00% | −1,147,051−89.8% | Reduced |
| Los Angeles Capital Management LLC | 133,728 | $2.06M | 0.01% | +133,728 | New |
| Legal & General Group Plc | 140,846 | $2.17M | 0.00% | −1,228−0.9% | Reduced |
| Bridgewater Associates, LP | 146,445 | $2.25M | 0.01% | +48,195+49.1% | Added |
| Rhumbline Advisers | 155,912 | $2.40M | 0.00% | +2,459+1.6% | Added |
| JPMorgan Chase & Co | 181,028 | $2.79M | 0.00% | +111,835+161.6% | Added |
| Two Sigma Advisers, LP | 195,783 | $3.01M | 0.01% | −14,800−7.0% | Reduced |
| Credit Suisse AG | 197,533 | $3.04M | 0.00% | −4,784−2.4% | Reduced |
| Congress Asset Management Co | 204,137 | $3.14M | 0.02% | −9,961−4.7% | Reduced |
| Victory Capital Management Inc | 215,616 | $3.32M | 0.00% | +43,361+25.2% | Added |
| Goldman Sachs Group Inc | 216,920 | $3.34M | 0.00% | −118,205−35.3% | Reduced |
| BNP Paribas Arbitrage, SA | 230,860 | $3.55M | 0.00% | +69,910+43.4% | Added |
| Assenagon Asset Management S.A. | 235,578 | $3.63M | 0.01% | +100,639+74.6% | Added |
| Balyasny Asset Management LLC | 251,363 | $3.87M | 0.01% | −785,803−75.8% | Reduced |
| Algert Global LLC | 255,291 | $3.93M | 0.15% | +200,907+369.4% | Added |
| Principal Financial Group Inc | 269,810 | $4.15M | 0.00% | +527+0.2% | Added |
| Engineers Gate Manager LP | 296,074 | $4.56M | 0.12% | +140,933+90.8% | Added |
| Renaissance Technologies LLC | 319,099 | $4.91M | 0.01% | −132,800−29.4% | Reduced |
| Squarepoint Ops LLC | 350,437 | $5.39M | 0.02% | +7,347+2.1% | Added |
| Bank of New York Mellon Corp | 365,163 | $5.62M | 0.00% | −5,430−1.5% | Reduced |
| Trexquant Investment LP | 370,114 | $5.70M | 0.11% | +346,441+1,463.4% | Added |
| Ameriprise Financial Inc | 378,193 | $5.82M | 0.00% | −3,609−0.9% | Reduced |
| Steamboat Capital Partners, LLC | 397,071 | $6.11M | 2.11% | −350,783−46.9% | Reduced |
| Wellington Management Group LLP | 426,089 | $6.56M | 0.00% | +256,515+151.3% | Added |
| Charles Schwab Investment Management Inc | 463,524 | $7.13M | 0.00% | −386,655−45.5% | Reduced |
| Cubist Systematic Strategies, LLC | 508,721 | $7.83M | 0.09% | +469,741+1,205.1% | Added |
| Northern Trust Corp | 527,233 | $8.11M | 0.00% | −10,036−1.9% | Reduced |
| Two Sigma Investments, LP | 645,720 | $9.94M | 0.02% | −67,613−9.5% | Reduced |
| Impala Asset Management LLC | 705,000 | $10.8M | 9.78% | +580,000+464.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,176,960 | $10.9M | 0.02% | −218,540−15.7% | Reduced |
| Bank of America Corp | 764,600 | $11.8M | 0.00% | +143,346+23.1% | Added |
| First Eagle Investment Management, LLC | 833,314 | $12.8M | 0.03% | −34,200−3.9% | Reduced |
| Slate Path Capital LP | 878,000 | $13.5M | 0.27% | 00.0% | Unchanged |
| American Century Companies Inc | 909,939 | $14.0M | 0.01% | +481,699+112.5% | Added |
| Castle Hook Partners LP | 976,894 | $15.0M | 0.54% | +898,554+1,147.0% | Added |
| Voloridge Investment Management, LLC | 1,063,478 | $16.4M | 0.06% | +12,143+1.2% | Added |
| Geode Capital Management, LLC | 1,177,608 | $18.1M | 0.00% | +12,402+1.1% | Added |
| Millennium Management LLC | 1,285,188 | $19.8M | 0.02% | +576,897+81.4% | Added |
| Morgan Stanley | 1,603,206 | $24.7M | 0.00% | +318,421+24.8% | Added |
| Fisher Asset Management, LLC | 2,076,881 | $32.0M | 0.01% | −33,995−1.6% | Reduced |
| Mountaineer Partners Management, LLC | 2,142,103 | $33.0M | 15.22% | −128,702−5.7% | Reduced |
| Invesco Ltd. | 2,370,362 | $36.5M | 0.01% | −723,767−23.4% | Reduced |
| Dimensional Fund Advisors LP | 3,214,632 | $49.5M | 0.01% | −28,941−0.9% | Reduced |
| State Street Corp | 5,207,968 | $80.2M | 0.00% | −101,487−1.9% | Reduced |
| Vanguard Group Inc | 5,819,805 | $89.6M | 0.00% | +39,900+0.7% | Added |
| BlackRock Inc. | 10,024,605 | $154.3M | 0.00% | −521,733−4.9% | Reduced |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −745,950−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −205,420−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −170,478−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −149,669−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −123,101−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −100,713−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −90,646−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −80,392−100.0% | Sold out |
| Symmetry Investments LP | 0 | $0 | 0.00% | −61,900−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −55,166−100.0% | Sold out |
| Intrua Financial, LLC | 0 | $0 | 0.00% | −45,134−100.0% | Sold out |
| Great Valley Advisor Group, Inc. | 0 | $0 | 0.00% | −34,783−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −20,515−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −18,433−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −13,971−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −12,072−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,003−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −10,500−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −2,266−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −1,636−100.0% | Sold out |