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 2025
Institutional positions in Century Aluminum Co as of Mar 31, 2025. 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
- 218
- +1 vs. Q4 2024
- Shares held
- 92.4M
- +474.2K (+0.5%) vs. Q4 2024
- Total value
- $1.72B
- +$40.1M (+2.4%) vs. Q4 2024
- New holders
- 50
- 68 more added
- Sold out
- 49
- 80 more reduced
5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perennial Advisors, LLC | 29,368 | $545.1K | 0.11% | 00.0% | Unchanged |
| Versor Investments LP | 29,900 | $554.9K | 0.09% | +29,900 | New |
| MetLife Investment Management | 31,578 | $586.1K | 0.00% | −329−1.0% | Reduced |
| Compass Wealth Management LLC | 32,200 | $597.6K | 0.15% | +32,200 | New |
| Teacher Retirement System of Texas | 33,414 | $620.2K | 0.00% | +18,909+130.4% | Added |
| Millennium Management LLC | 33,801 | $627.3K | 0.00% | −423,927−92.6% | Reduced |
| Caxton Associates LLP | 34,115 | $633.2K | 0.02% | +34,115 | New |
| Verition Fund Management LLC | 34,353 | $637.6K | 0.00% | −5,108−12.9% | Reduced |
| Centiva Capital, LP | 36,604 | $679.4K | 0.04% | +36,604 | New |
| Thomist Capital Management, LP | 37,646 | $698.7K | 0.29% | +37,646 | New |
| BW Gestao de Investimentos Ltda. | 38,001 | $705.3K | 0.08% | +38,001 | New |
| Thrivent Financial for Lutherans | 38,171 | $708.0K | 0.00% | −1,997−5.0% | Reduced |
| Trexquant Investment LP | 38,180 | $708.6K | 0.01% | −49,955−56.7% | Reduced |
| AQR Capital Management LLC | 39,001 | $723.9K | 0.00% | +7,051+22.1% | Added |
| Los Angeles Capital Management LLC | 40,337 | $748.7K | 0.00% | −3,774−8.6% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 41,622 | $773.0K | 0.00% | +15,683+60.5% | Added |
| FNY Investment Advisers, LLC | 42,865 | $795.0K | 0.49% | +39,865+1,328.8% | Added |
| Great West Life Assurance Co | 44,560 | $827.0K | 0.00% | −8,441−15.9% | Reduced |
| Price T Rowe Associates Inc | 44,560 | $828.0K | 0.00% | +6,834+18.1% | Added |
| Franklin Resources Inc | 45,717 | $848.5K | 0.00% | +15,602+51.8% | Added |
| HRT Financial LP | 46,621 | $865.0K | 0.01% | −54,455−53.9% | Reduced |
| Jennison Associates LLC | 47,059 | $873.4K | 0.00% | +5,602+13.5% | Added |
| California State Teachers Retirement System | 51,797 | $961.4K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 53,766 | $997.9K | 0.08% | −15,601−22.5% | Reduced |
| Sanctuary Advisors, LLC | 57,958 | $1.08M | 0.01% | +57,958 | New |
| Bridgeway Capital Management, LLC | 59,186 | $1.10M | 0.03% | +1,069+1.8% | Added |
| Empowered Funds, LLC | 59,186 | $1.10M | 0.02% | +1,069+1.8% | Added |
| Alliancebernstein L.P. | 60,161 | $1.12M | 0.00% | −9,480−13.6% | Reduced |
| Aldebaran Capital, LLC | 61,295 | $1.14M | 1.08% | −680−1.1% | Reduced |
| Victory Capital Management Inc | 61,737 | $1.15M | 0.00% | +61,737 | New |
| Wealth High Governance Capital Ltda | 61,999 | $1.15M | 0.75% | +61,999 | New |
| Lombard Odier Asset Management (USA) Corp | 63,136 | $1.17M | 0.40% | +25,557+68.0% | Added |
| Federated Hermes, Inc. | 65,398 | $1.21M | 0.00% | −6,885−9.5% | Reduced |
| Senator Investment Group LP | 68,991 | $1.28M | 0.07% | +68,991 | New |
| Lighthouse Investment Partners, LLC | 69,975 | $1.30M | 0.06% | +69,975 | New |
| Norges Bank | 71,152 | $1.32M | 0.00% | −51,102−41.8% | Reduced |
| Segall Bryant & Hamill, LLC | 73,336 | $1.36M | 0.02% | +73,336 | New |
| Bridgewater Associates, LP | 73,514 | $1.36M | 0.01% | −357,765−83.0% | Reduced |
| Susquehanna International Group, LLP | 74,845 | $1.39M | 0.00% | +37,712+101.6% | Added |
| Citigroup Inc | 84,217 | $1.56M | 0.00% | +12,299+17.1% | Added |
| Winton Group Ltd | 85,501 | $1.59M | 0.10% | +25,292+42.0% | Added |
| New York State Teachers Retirement System | 94,135 | $1.75M | 0.00% | +3,067+3.4% | Added |
| Barclays PLC | 94,453 | $1.75M | 0.00% | −5,465−5.5% | Reduced |
| Gsa Capital Partners LLP | 96,896 | $1.80M | 0.16% | +96,896 | New |
| BNP Paribas Arbitrage, SA | 97,005 | $1.80M | 0.00% | −214,176−68.8% | Reduced |
| Raymond James Financial Inc | 102,606 | $1.90M | 0.00% | +102,606 | New |
| Twinbeech Capital LP | 103,129 | $1.91M | 0.03% | +103,129 | New |
| Squarepoint Ops LLC | 105,244 | $1.95M | 0.00% | −14,297−12.0% | Reduced |
| Deutsche Bank AG | 106,947 | $1.98M | 0.00% | −4,760−4.3% | Reduced |
| Swiss National Bank | 107,950 | $2.00M | 0.00% | −1,300−1.2% | Reduced |
| Wells Fargo & Company | 110,401 | $2.05M | 0.00% | +6,824+6.6% | Added |
| Quantbot Technologies LP | 120,878 | $2.24M | 0.07% | +71,333+144.0% | Added |
| UBS Asset Management Americas Inc | 124,001 | $2.30M | 0.00% | +21,702+21.2% | Added |
| Legal & General Group Plc | 128,191 | $2.38M | 0.00% | −6,734−5.0% | Reduced |
| Russell Investments Group, Ltd. | 129,375 | $2.40M | 0.00% | +79,118+157.4% | Added |
| LMR Partners LLP | 132,000 | $2.45M | 0.05% | +132,000 | New |
| Voloridge Investment Management, LLC | 133,491 | $2.48M | 0.01% | −647,875−82.9% | Reduced |
| Intech Investment Management LLC | 135,013 | $2.51M | 0.03% | −61,035−31.1% | Reduced |
| American Century Companies Inc | 137,111 | $2.54M | 0.00% | −33,186−19.5% | Reduced |
| JPMorgan Chase & Co | 137,325 | $2.55M | 0.00% | −79,717−36.7% | Reduced |
| Monaco Asset Management SAM | 137,500 | $2.55M | 1.29% | +137,500 | New |
| CoreCommodity Management, LLC | 138,622 | $2.57M | 0.42% | +59,873+76.0% | Added |
| Ameriprise Financial Inc | 141,164 | $2.62M | 0.00% | +12,892+10.1% | Added |
| Rhumbline Advisers | 142,446 | $2.64M | 0.00% | −762−0.5% | Reduced |
| Prudential Financial Inc | 146,357 | $2.72M | 0.00% | +92,980+174.2% | Added |
| State of Wisconsin Investment Board | 151,771 | $2.82M | 0.01% | +11,711+8.4% | Added |
| Bastion Asset Management Inc. | 161,437 | $3.00M | 1.61% | +161,437 | New |
| Public Sector Pension Investment Board | 164,833 | $3.06M | 0.01% | +35,381+27.3% | Added |
| Bank of Montreal | 172,089 | $3.19M | 0.00% | −139,132−44.7% | Reduced |
| GeoSphere Capital Management, LLC | 177,174 | $3.29M | 3.84% | +177,174 | New |
| Balyasny Asset Management LLC | 178,938 | $3.32M | 0.01% | −281,858−61.2% | Reduced |
| Algert Global LLC | 190,244 | $3.53M | 0.09% | +28,376+17.5% | Added |
| Two Sigma Investments, LP | 192,502 | $3.57M | 0.01% | −276,516−59.0% | Reduced |
| Steamboat Capital Partners, LLC | 194,978 | $3.62M | 1.09% | +146,962+306.1% | Added |
| Jane Street Group, LLC | 195,199 | $3.62M | 0.01% | +110,498+130.5% | Added |
| SummitTX Capital, L.P. | 197,969 | $3.67M | 0.16% | +197,969 | New |
| Jacobs Levy Equity Management, Inc | 199,260 | $3.70M | 0.01% | −118,146−37.2% | Reduced |
| Sourcerock Group LLC | 200,000 | $3.71M | 0.21% | −94,397−32.1% | Reduced |
| Cohen & Steers, Inc. | 202,343 | $3.75M | 0.01% | +11,067+5.8% | Added |
| Qube Research & Technologies Ltd | 211,813 | $3.93M | 0.01% | −211,969−50.0% | Reduced |
| Congress Asset Management Co | 216,943 | $4.03M | 0.03% | −1,582−0.7% | Reduced |
| First Trust Advisors LP | 241,985 | $4.49M | 0.00% | +49,520+25.7% | Added |
| Adage Capital Partners GP, L.L.C. | 255,000 | $4.73M | 0.01% | +255,000 | New |
| Alberta Investment Management Corp | 265,000 | $4.92M | 0.03% | +265,000 | New |
| South Dakota Investment Council | 278,674 | $5.17M | 0.11% | +278,674 | New |
| Assenagon Asset Management S.A. | 297,781 | $5.53M | 0.01% | −92,446−23.7% | Reduced |
| Park West Asset Management LLC | 309,258 | $5.74M | 0.47% | +309,258 | New |
| Principal Financial Group Inc | 326,795 | $6.07M | 0.00% | +7,093+2.2% | Added |
| Foundry Partners, LLC | 327,421 | $6.08M | 0.32% | +327,421 | New |
| Bank of New York Mellon Corp | 343,042 | $6.37M | 0.00% | −4,003−1.2% | Reduced |
| New York State Common Retirement Fund | 359,867 | $6.68M | 0.01% | +63,086+21.3% | Added |
| First Eagle Investment Management, LLC | 365,056 | $6.78M | 0.01% | −63,700−14.9% | Reduced |
| Goldman Sachs Group Inc | 379,348 | $7.04M | 0.00% | −34,918−8.4% | Reduced |
| Boston Partners | 393,924 | $7.31M | 0.01% | +393,924 | New |
| UBS Group AG | 454,172 | $8.43M | 0.00% | −36,910−7.5% | Reduced |
| Penn Capital Management Co Inc | 518,374 | $9.63M | 0.94% | +128,119+32.8% | Added |
| Northern Trust Corp | 526,640 | $9.77M | 0.00% | −13,808−2.6% | Reduced |
| Charles Schwab Investment Management Inc | 537,727 | $9.98M | 0.00% | −1,434−0.3% | Reduced |
| Bank of America Corp | 629,520 | $11.7M | 0.00% | −116,465−15.6% | Reduced |
| Mountaineer Partners Management, LLC | 639,373 | $11.9M | 11.36% | −8,472−1.3% | Reduced |