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 |
|---|---|---|---|---|---|
| Glencore plc | 40,038,031 | $743.1M | 88.62% | +3,5930.0% | Added |
| BlackRock, Inc. | 9,892,685 | $183.6M | 0.00% | −604,298−5.8% | Reduced |
| Vanguard Group Inc | 5,714,400 | $106.1M | 0.00% | −136,540−2.3% | Reduced |
| State Street Corp | 3,239,240 | $60.1M | 0.00% | −97,931−2.9% | Reduced |
| Dimensional Fund Advisors LP | 2,837,851 | $52.7M | 0.01% | −100,119−3.4% | Reduced |
| Citadel Advisors LLC | 1,986,643 | $36.9M | 0.04% | +1,672,610+532.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 1,463,009 | $27.2M | 0.06% | −604,225−29.2% | Reduced |
| Fisher Asset Management, LLC | 1,323,593 | $24.6M | 0.01% | −57,953−4.2% | Reduced |
| Geode Capital Management, LLC | 1,294,294 | $24.0M | 0.00% | +15,436+1.2% | Added |
| Wexford Capital LP | 1,169,553 | $21.7M | 5.64% | +1,169,553 | New |
| Morgan Stanley | 1,135,039 | $21.1M | 0.00% | +122,721+12.1% | Added |
| Woodline Partners LP | 1,040,812 | $19.3M | 0.13% | +1,040,812 | New |
| Invesco Ltd. | 935,841 | $17.4M | 0.00% | −973,692−51.0% | Reduced |
| Impala Asset Management LLC | 932,154 | $17.3M | 13.29% | +234,673+33.6% | Added |
| Nuveen, LLC | 793,413 | $14.7M | 0.00% | +793,413 | New |
| Encompass Capital Advisors LLC | 750,000 | $13.9M | 0.53% | +750,000 | New |
| Pertento Partners LLP | 733,885 | $13.6M | 1.63% | +312,484+74.2% | Added |
| Wellington Management Group LLP | 693,752 | $12.9M | 0.00% | +282,163+68.6% | Added |
| Mountaineer Partners Management, LLC | 639,373 | $11.9M | 11.36% | −8,472−1.3% | Reduced |
| Bank of America Corp | 629,520 | $11.7M | 0.00% | −116,465−15.6% | Reduced |
| Charles Schwab Investment Management Inc | 537,727 | $9.98M | 0.00% | −1,434−0.3% | Reduced |
| Northern Trust Corp | 526,640 | $9.77M | 0.00% | −13,808−2.6% | Reduced |
| Penn Capital Management Co Inc | 518,374 | $9.63M | 0.94% | +128,119+32.8% | Added |
| UBS Group AG | 454,172 | $8.43M | 0.00% | −36,910−7.5% | Reduced |
| Boston Partners | 393,924 | $7.31M | 0.01% | +393,924 | New |
| Goldman Sachs Group Inc | 379,348 | $7.04M | 0.00% | −34,918−8.4% | Reduced |
| First Eagle Investment Management, LLC | 365,056 | $6.78M | 0.01% | −63,700−14.9% | Reduced |
| New York State Common Retirement Fund | 359,867 | $6.68M | 0.01% | +63,086+21.3% | Added |
| Bank of New York Mellon Corp | 343,042 | $6.37M | 0.00% | −4,003−1.2% | Reduced |
| Foundry Partners, LLC | 327,421 | $6.08M | 0.32% | +327,421 | New |
| Principal Financial Group Inc | 326,795 | $6.07M | 0.00% | +7,093+2.2% | Added |
| Park West Asset Management LLC | 309,258 | $5.74M | 0.47% | +309,258 | New |
| Assenagon Asset Management S.A. | 297,781 | $5.53M | 0.01% | −92,446−23.7% | Reduced |
| South Dakota Investment Council | 278,674 | $5.17M | 0.11% | +278,674 | New |
| Alberta Investment Management Corp | 265,000 | $4.92M | 0.03% | +265,000 | New |
| Adage Capital Partners GP, L.L.C. | 255,000 | $4.73M | 0.01% | +255,000 | New |
| First Trust Advisors LP | 241,985 | $4.49M | 0.00% | +49,520+25.7% | Added |
| Congress Asset Management Co | 216,943 | $4.03M | 0.03% | −1,582−0.7% | Reduced |
| Qube Research & Technologies Ltd | 211,813 | $3.93M | 0.01% | −211,969−50.0% | Reduced |
| Cohen & Steers, Inc. | 202,343 | $3.75M | 0.01% | +11,067+5.8% | Added |
| Sourcerock Group LLC | 200,000 | $3.71M | 0.21% | −94,397−32.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 199,260 | $3.70M | 0.01% | −118,146−37.2% | Reduced |
| SummitTX Capital, L.P. | 197,969 | $3.67M | 0.16% | +197,969 | New |
| Jane Street Group, LLC | 195,199 | $3.62M | 0.01% | +110,498+130.5% | Added |
| Steamboat Capital Partners, LLC | 194,978 | $3.62M | 1.09% | +146,962+306.1% | Added |
| Two Sigma Investments, LP | 192,502 | $3.57M | 0.01% | −276,516−59.0% | Reduced |
| Algert Global LLC | 190,244 | $3.53M | 0.09% | +28,376+17.5% | Added |
| Balyasny Asset Management LLC | 178,938 | $3.32M | 0.01% | −281,858−61.2% | Reduced |
| GeoSphere Capital Management, LLC | 177,174 | $3.29M | 3.84% | +177,174 | New |
| Bank of Montreal | 172,089 | $3.19M | 0.00% | −139,132−44.7% | Reduced |
| Public Sector Pension Investment Board | 164,833 | $3.06M | 0.01% | +35,381+27.3% | Added |
| Bastion Asset Management Inc. | 161,437 | $3.00M | 1.61% | +161,437 | New |
| State of Wisconsin Investment Board | 151,771 | $2.82M | 0.01% | +11,711+8.4% | Added |
| Prudential Financial Inc | 146,357 | $2.72M | 0.00% | +92,980+174.2% | Added |
| Rhumbline Advisers | 142,446 | $2.64M | 0.00% | −762−0.5% | Reduced |
| Ameriprise Financial Inc | 141,164 | $2.62M | 0.00% | +12,892+10.1% | Added |
| CoreCommodity Management, LLC | 138,622 | $2.57M | 0.42% | +59,873+76.0% | Added |
| Monaco Asset Management SAM | 137,500 | $2.55M | 1.29% | +137,500 | New |
| JPMorgan Chase & Co | 137,325 | $2.55M | 0.00% | −79,717−36.7% | Reduced |
| American Century Companies Inc | 137,111 | $2.54M | 0.00% | −33,186−19.5% | Reduced |
| Intech Investment Management LLC | 135,013 | $2.51M | 0.03% | −61,035−31.1% | Reduced |
| Voloridge Investment Management, LLC | 133,491 | $2.48M | 0.01% | −647,875−82.9% | Reduced |
| LMR Partners LLP | 132,000 | $2.45M | 0.05% | +132,000 | New |
| Russell Investments Group, Ltd. | 129,375 | $2.40M | 0.00% | +79,118+157.4% | Added |
| Legal & General Group Plc | 128,191 | $2.38M | 0.00% | −6,734−5.0% | Reduced |
| UBS Asset Management Americas Inc | 124,001 | $2.30M | 0.00% | +21,702+21.2% | Added |
| Quantbot Technologies LP | 120,878 | $2.24M | 0.07% | +71,333+144.0% | Added |
| Wells Fargo & Company | 110,401 | $2.05M | 0.00% | +6,824+6.6% | Added |
| Swiss National Bank | 107,950 | $2.00M | 0.00% | −1,300−1.2% | Reduced |
| Deutsche Bank AG | 106,947 | $1.98M | 0.00% | −4,760−4.3% | Reduced |
| Squarepoint Ops LLC | 105,244 | $1.95M | 0.00% | −14,297−12.0% | Reduced |
| Twinbeech Capital LP | 103,129 | $1.91M | 0.03% | +103,129 | New |
| Raymond James Financial Inc | 102,606 | $1.90M | 0.00% | +102,606 | New |
| BNP Paribas Arbitrage, SA | 97,005 | $1.80M | 0.00% | −214,176−68.8% | Reduced |
| Gsa Capital Partners LLP | 96,896 | $1.80M | 0.16% | +96,896 | New |
| Barclays PLC | 94,453 | $1.75M | 0.00% | −5,465−5.5% | Reduced |
| New York State Teachers Retirement System | 94,135 | $1.75M | 0.00% | +3,067+3.4% | Added |
| Winton Group Ltd | 85,501 | $1.59M | 0.10% | +25,292+42.0% | Added |
| Citigroup Inc | 84,217 | $1.56M | 0.00% | +12,299+17.1% | Added |
| Susquehanna International Group, LLP | 74,845 | $1.39M | 0.00% | +37,712+101.6% | Added |
| Bridgewater Associates, LP | 73,514 | $1.36M | 0.01% | −357,765−83.0% | Reduced |
| Segall Bryant & Hamill, LLC | 73,336 | $1.36M | 0.02% | +73,336 | New |
| Norges Bank | 71,152 | $1.32M | 0.00% | −51,102−41.8% | Reduced |
| Lighthouse Investment Partners, LLC | 69,975 | $1.30M | 0.06% | +69,975 | New |
| Senator Investment Group LP | 68,991 | $1.28M | 0.07% | +68,991 | New |
| Federated Hermes, Inc. | 65,398 | $1.21M | 0.00% | −6,885−9.5% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 63,136 | $1.17M | 0.40% | +25,557+68.0% | Added |
| Wealth High Governance Capital Ltda | 61,999 | $1.15M | 0.75% | +61,999 | New |
| Victory Capital Management Inc | 61,737 | $1.15M | 0.00% | +61,737 | New |
| Aldebaran Capital, LLC | 61,295 | $1.14M | 1.08% | −680−1.1% | Reduced |
| Alliancebernstein L.P. | 60,161 | $1.12M | 0.00% | −9,480−13.6% | Reduced |
| 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 |
| Sanctuary Advisors, LLC | 57,958 | $1.08M | 0.01% | +57,958 | New |
| Campbell & CO Investment Adviser LLC | 53,766 | $997.9K | 0.08% | −15,601−22.5% | Reduced |
| California State Teachers Retirement System | 51,797 | $961.4K | 0.00% | 00.0% | Unchanged |
| Jennison Associates LLC | 47,059 | $873.4K | 0.00% | +5,602+13.5% | Added |
| HRT Financial LP | 46,621 | $865.0K | 0.01% | −54,455−53.9% | Reduced |
| Franklin Resources Inc | 45,717 | $848.5K | 0.00% | +15,602+51.8% | Added |
| Price T Rowe Associates Inc | 44,560 | $828.0K | 0.00% | +6,834+18.1% | Added |