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, Q2 2023
Institutional positions in Century Aluminum Co as of Jun 30, 2023. 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
- 160
- −8 vs. Q1 2023
- Shares held
- 50.3M
- −1.50M (−2.9%) vs. Q1 2023
- Total value
- $438.5M
- −$79.6M (−15.4%) vs. Q1 2023
- New holders
- 19
- 48 more added
- Sold out
- 27
- 63 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| California State Teachers Retirement System | 66,237 | $577.6K | 0.00% | +2,785+4.4% | Added |
| Aldebaran Capital, LLC | 68,075 | $593.6K | 0.61% | 00.0% | Unchanged |
| Hunter Associates Investment Management LLC | 71,500 | $623.0K | 0.12% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 78,652 | $685.8K | 0.07% | +78,652 | New |
| State of Wisconsin Investment Board | 81,580 | $711.4K | 0.00% | +14,453+21.5% | Added |
| UBS Asset Management Americas Inc | 74,728 | $747.3K | 0.00% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 91,771 | $800.2K | 0.01% | +1,802+2.0% | Added |
| Occudo Quantitative Strategies LP | 91,973 | $802.0K | 0.08% | −104,157−53.1% | Reduced |
| Russell Investments Group, Ltd. | 94,914 | $827.6K | 0.00% | −35,477−27.2% | Reduced |
| SummerHaven Investment Management, LLC | 96,853 | $844.6K | 0.54% | −14,213−12.8% | Reduced |
| Assenagon Asset Management S.A. | 98,644 | $860.2K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 99,505 | $868.0K | 0.00% | −2,839−2.8% | Reduced |
| Tudor Investment Corp Et Al | 102,496 | $893.8K | 0.01% | +102,496 | New |
| Bank of Montreal | 95,581 | $931.4K | 0.00% | −26,923−22.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 108,957 | $950.1K | 0.03% | −55,481−33.7% | Reduced |
| Balyasny Asset Management LLC | 109,971 | $958.9K | 0.00% | −182,368−62.4% | Reduced |
| PDT Partners, LLC | 120,006 | $1.05M | 0.14% | −50,861−29.8% | Reduced |
| Swiss National Bank | 120,550 | $1.05M | 0.00% | +12,100+11.2% | Added |
| Wells Fargo & Company | 121,875 | $1.06M | 0.00% | +18,773+18.2% | Added |
| ClariVest Asset Management LLC | 127,812 | $1.11M | 0.06% | +12,150+10.5% | Added |
| Two Sigma Advisers, LP | 137,583 | $1.20M | 0.00% | −77,100−35.9% | Reduced |
| Barclays PLC | 139,390 | $1.22M | 0.00% | −25,931−15.7% | Reduced |
| Two Sigma Investments, LP | 143,076 | $1.25M | 0.00% | −107,100−42.8% | Reduced |
| Legal & General Group Plc | 144,632 | $1.26M | 0.00% | −511−0.4% | Reduced |
| BNP Paribas Arbitrage, SA | 152,588 | $1.33M | 0.00% | +21,878+16.7% | Added |
| Rhumbline Advisers | 154,095 | $1.34M | 0.00% | −1,446−0.9% | Reduced |
| Victory Capital Management Inc | 160,421 | $1.40M | 0.00% | −1,501,253−90.3% | Reduced |
| Wellington Management Group LLP | 164,361 | $1.43M | 0.00% | −2,769−1.7% | Reduced |
| Ameriprise Financial Inc | 177,263 | $1.55M | 0.00% | −35,260−16.6% | Reduced |
| Credit Suisse AG | 199,784 | $1.74M | 0.00% | +27,481+15.9% | Added |
| Congress Asset Management Co | 212,941 | $1.86M | 0.02% | +2,699+1.3% | Added |
| Deutsche Bank AG | 238,617 | $2.08M | 0.00% | −43,608−15.5% | Reduced |
| Empowered Funds, LLC | 246,880 | $2.15M | 0.08% | +246,880 | New |
| EA Series Trust | 246,880 | $2.15M | 0.08% | +246,880 | New |
| D. E. Shaw & Co., Inc. | 268,338 | $2.34M | 0.00% | −136,208−33.7% | Reduced |
| Principal Financial Group Inc | 294,341 | $2.57M | 0.00% | −14,355−4.7% | Reduced |
| Nuveen Asset Management, LLC | 343,615 | $3.00M | 0.00% | +53,541+18.5% | Added |
| First Eagle Investment Management, LLC | 411,190 | $3.59M | 0.01% | +71,985+21.2% | Added |
| Royce & Associates LP | 420,538 | $3.67M | 0.04% | −60,000−12.5% | Reduced |
| Goldman Sachs Group Inc | 425,776 | $3.71M | 0.00% | −100,281−19.1% | Reduced |
| Norges Bank | 430,193 | $3.75M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 438,670 | $3.83M | 0.00% | +372,560+563.5% | Added |
| Bank of New York Mellon Corp | 483,814 | $4.22M | 0.00% | −4,531−0.9% | Reduced |
| Northern Trust Corp | 540,781 | $4.72M | 0.00% | +8,024+1.5% | Added |
| Bridgeway Capital Management, LLC | 569,180 | $4.96M | 0.12% | +8,680+1.5% | Added |
| Bank of America Corp | 607,056 | $5.29M | 0.00% | −35,911−5.6% | Reduced |
| Voloridge Investment Management, LLC | 641,536 | $5.59M | 0.03% | −35,682−5.3% | Reduced |
| Renaissance Technologies LLC | 759,599 | $6.62M | 0.01% | +58,400+8.3% | Added |
| Charles Schwab Investment Management Inc | 776,068 | $6.77M | 0.00% | +39,058+5.3% | Added |
| Morgan Stanley | 964,188 | $8.41M | 0.00% | −155,605−13.9% | Reduced |
| Geode Capital Management, LLC | 1,048,940 | $9.15M | 0.00% | +32,203+3.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,277,355 | $11.1M | 0.02% | +103,754+8.8% | Added |
| Citadel Advisors LLC | 1,689,448 | $14.7M | 0.02% | −508,007−23.1% | Reduced |
| Mountaineer Partners Management, LLC | 1,997,343 | $17.4M | 9.61% | +894,142+81.0% | Added |
| Fisher Asset Management, LLC | 2,411,599 | $21.0M | 0.01% | +34,096+1.4% | Added |
| Invesco Ltd. | 2,802,851 | $24.4M | 0.01% | +1,763,133+169.6% | Added |
| Dimensional Fund Advisors LP | 3,625,916 | $31.6M | 0.01% | −280,022−7.2% | Reduced |
| State Street Corp | 5,075,062 | $44.3M | 0.00% | −1,384,434−21.4% | Reduced |
| Vanguard Group Inc | 5,892,170 | $51.4M | 0.00% | −199,240−3.3% | Reduced |
| BlackRock Inc. | 9,731,649 | $84.9M | 0.00% | +387,221+4.1% | Added |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −302,659−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −157,140−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −86,913−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −78,381−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −57,838−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −55,605−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −53,956−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −34,927−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −32,558−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −28,185−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −27,130−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −26,443−100.0% | Sold out |
| Harbour Capital Advisors, LLC | 0 | $0 | 0.00% | −23,225−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −17,609−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Arete Wealth Advisors, LLC | 0 | $0 | 0.00% | −14,900−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −14,077−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −13,117−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −11,072−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −9,783−100.0% | Sold out |
| Pinpoint Asset Management Ltd | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −490−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −337−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −320−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −232−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −66−100.0% | Sold out |
| 25 LLC | 0 | $0 | 0.00% | −57−100.0% | Sold out |