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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 10,024,605 | $154.3M | 0.00% | −521,733−4.9% | Reduced |
| Vanguard Group Inc | 5,819,805 | $89.6M | 0.00% | +39,900+0.7% | Added |
| State Street Corp | 5,207,968 | $80.2M | 0.00% | −101,487−1.9% | Reduced |
| Dimensional Fund Advisors LP | 3,214,632 | $49.5M | 0.01% | −28,941−0.9% | Reduced |
| Invesco Ltd. | 2,370,362 | $36.5M | 0.01% | −723,767−23.4% | Reduced |
| Mountaineer Partners Management, LLC | 2,142,103 | $33.0M | 15.22% | −128,702−5.7% | Reduced |
| Fisher Asset Management, LLC | 2,076,881 | $32.0M | 0.01% | −33,995−1.6% | Reduced |
| Morgan Stanley | 1,603,206 | $24.7M | 0.00% | +318,421+24.8% | Added |
| Millennium Management LLC | 1,285,188 | $19.8M | 0.02% | +576,897+81.4% | Added |
| Geode Capital Management, LLC | 1,177,608 | $18.1M | 0.00% | +12,402+1.1% | Added |
| Voloridge Investment Management, LLC | 1,063,478 | $16.4M | 0.06% | +12,143+1.2% | Added |
| Castle Hook Partners LP | 976,894 | $15.0M | 0.54% | +898,554+1,147.0% | Added |
| American Century Companies Inc | 909,939 | $14.0M | 0.01% | +481,699+112.5% | Added |
| Slate Path Capital LP | 878,000 | $13.5M | 0.27% | 00.0% | Unchanged |
| First Eagle Investment Management, LLC | 833,314 | $12.8M | 0.03% | −34,200−3.9% | Reduced |
| Bank of America Corp | 764,600 | $11.8M | 0.00% | +143,346+23.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,176,960 | $10.9M | 0.02% | −218,540−15.7% | Reduced |
| Impala Asset Management LLC | 705,000 | $10.8M | 9.78% | +580,000+464.0% | Added |
| Two Sigma Investments, LP | 645,720 | $9.94M | 0.02% | −67,613−9.5% | Reduced |
| Northern Trust Corp | 527,233 | $8.11M | 0.00% | −10,036−1.9% | Reduced |
| Cubist Systematic Strategies, LLC | 508,721 | $7.83M | 0.09% | +469,741+1,205.1% | Added |
| Charles Schwab Investment Management Inc | 463,524 | $7.13M | 0.00% | −386,655−45.5% | Reduced |
| Wellington Management Group LLP | 426,089 | $6.56M | 0.00% | +256,515+151.3% | Added |
| Steamboat Capital Partners, LLC | 397,071 | $6.11M | 2.11% | −350,783−46.9% | Reduced |
| Ameriprise Financial Inc | 378,193 | $5.82M | 0.00% | −3,609−0.9% | Reduced |
| Trexquant Investment LP | 370,114 | $5.70M | 0.11% | +346,441+1,463.4% | Added |
| Bank of New York Mellon Corp | 365,163 | $5.62M | 0.00% | −5,430−1.5% | Reduced |
| Squarepoint Ops LLC | 350,437 | $5.39M | 0.02% | +7,347+2.1% | Added |
| Renaissance Technologies LLC | 319,099 | $4.91M | 0.01% | −132,800−29.4% | Reduced |
| Engineers Gate Manager LP | 296,074 | $4.56M | 0.12% | +140,933+90.8% | Added |
| Principal Financial Group Inc | 269,810 | $4.15M | 0.00% | +527+0.2% | Added |
| Algert Global LLC | 255,291 | $3.93M | 0.15% | +200,907+369.4% | Added |
| Balyasny Asset Management LLC | 251,363 | $3.87M | 0.01% | −785,803−75.8% | Reduced |
| Assenagon Asset Management S.A. | 235,578 | $3.63M | 0.01% | +100,639+74.6% | Added |
| BNP Paribas Arbitrage, SA | 230,860 | $3.55M | 0.00% | +69,910+43.4% | Added |
| Goldman Sachs Group Inc | 216,920 | $3.34M | 0.00% | −118,205−35.3% | Reduced |
| Victory Capital Management Inc | 215,616 | $3.32M | 0.00% | +43,361+25.2% | Added |
| Congress Asset Management Co | 204,137 | $3.14M | 0.02% | −9,961−4.7% | Reduced |
| Credit Suisse AG | 197,533 | $3.04M | 0.00% | −4,784−2.4% | Reduced |
| Two Sigma Advisers, LP | 195,783 | $3.01M | 0.01% | −14,800−7.0% | Reduced |
| JPMorgan Chase & Co | 181,028 | $2.79M | 0.00% | +111,835+161.6% | Added |
| Rhumbline Advisers | 155,912 | $2.40M | 0.00% | +2,459+1.6% | Added |
| Bridgewater Associates, LP | 146,445 | $2.25M | 0.01% | +48,195+49.1% | Added |
| Legal & General Group Plc | 140,846 | $2.17M | 0.00% | −1,228−0.9% | Reduced |
| Los Angeles Capital Management LLC | 133,728 | $2.06M | 0.01% | +133,728 | New |
| Citadel Advisors LLC | 130,468 | $2.01M | 0.00% | −1,147,051−89.8% | Reduced |
| Nuveen Asset Management, LLC | 128,078 | $1.97M | 0.00% | −8,482−6.2% | Reduced |
| Wells Fargo & Company | 114,934 | $1.77M | 0.00% | −3,391−2.9% | Reduced |
| Swiss National Bank | 109,250 | $1.68M | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 109,004 | $1.68M | 0.13% | +82,703+314.4% | Added |
| Public Sector Pension Investment Board | 107,385 | $1.65M | 0.01% | 00.0% | Unchanged |
| Encompass Capital Advisors LLC | 107,100 | $1.65M | 0.09% | +107,100 | New |
| New York State Teachers Retirement System | 105,105 | $1.62M | 0.00% | +3,100+3.0% | Added |
| Susquehanna Portfolio Strategies, LLC | 95,457 | $1.47M | 0.03% | 00.0% | Unchanged |
| Deutsche Bank AG | 94,966 | $1.46M | 0.00% | −68−0.1% | Reduced |
| Bank of Montreal | 93,389 | $1.44M | 0.00% | −63,425−40.4% | Reduced |
| Highland Peak Capital, LLC | 89,882 | $1.38M | 0.84% | +21,381+31.2% | Added |
| Verition Fund Management LLC | 84,140 | $1.29M | 0.01% | +72,420+617.9% | Added |
| Winton Group Ltd | 80,797 | $1.24M | 0.09% | +80,797 | New |
| Zacks Investment Management | 78,875 | $1.21M | 0.01% | +78,875 | New |
| Norges Bank | 77,037 | $1.19M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 76,114 | $1.17M | 0.00% | −259,975−77.4% | Reduced |
| Susquehanna International Group, LLP | 75,900 | $1.17M | 0.00% | −63,641−45.6% | Reduced |
| Alliancebernstein L.P. | 73,370 | $1.13M | 0.00% | +1,380+1.9% | Added |
| UBS Asset Management Americas Inc | 69,667 | $1.07M | 0.00% | 00.0% | Unchanged |
| Perennial Advisors, LLC | 68,293 | $1.05M | 0.24% | −53,762−44.0% | Reduced |
| Aldebaran Capital, LLC | 65,390 | $1.01M | 0.96% | −1,210−1.8% | 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 |
| Hudson Bay Capital Management LP | 60,000 | $923.4K | 0.01% | −45,000−42.9% | Reduced |
| Prudential Financial Inc | 59,062 | $909.0K | 0.00% | −1,850−3.0% | Reduced |
| California State Teachers Retirement System | 55,155 | $848.8K | 0.00% | −2,885−5.0% | Reduced |
| CoreCommodity Management, LLC | 52,745 | $811.7K | 0.29% | −1,689−3.1% | Reduced |
| Numerai GP LLC | 52,724 | $811.4K | 0.35% | +52,724 | New |
| D. E. Shaw & Co., Inc. | 50,508 | $777.3K | 0.00% | −192,968−79.3% | Reduced |
| Barclays PLC | 49,763 | $765.9K | 0.00% | −33,708−40.4% | Reduced |
| State of Wisconsin Investment Board | 48,306 | $743.4K | 0.00% | +48,306 | New |
| HSBC Holdings PLC | 45,330 | $697.6K | 0.00% | −5,425−10.7% | Reduced |
| Texas Permanent School Fund | 45,288 | $697.0K | 0.01% | +1,102+2.5% | Added |
| Thrivent Financial for Lutherans | 44,891 | $691.0K | 0.00% | −1,219−2.6% | Reduced |
| Great West Life Assurance Co | 41,246 | $634.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 39,494 | $607.8K | 0.00% | −2,573−6.1% | Reduced |
| SG Americas Securities, LLC | 39,028 | $601.0K | 0.00% | +39,028 | New |
| Occudo Quantitative Strategies LP | 38,705 | $595.7K | 0.10% | −118,992−75.5% | Reduced |
| Man Group plc | 37,927 | $583.7K | 0.00% | +37,927 | New |
| Royal Bank of Canada | 37,177 | $572.0K | 0.00% | −13,987−27.3% | Reduced |
| Citigroup Inc | 36,490 | $561.6K | 0.00% | +4,386+13.7% | Added |
| Brevan Howard Capital Management LP | 36,184 | $556.9K | 0.05% | +9,886+37.6% | Added |
| Prelude Capital Management, LLC | 36,059 | $554.9K | 0.04% | +36,059 | New |
| Price T Rowe Associates Inc | 34,013 | $524.0K | 0.00% | +2,045+6.4% | Added |
| Cetera Investment Advisers | 33,926 | $522.1K | 0.00% | +33,926 | New |
| Cinctive Capital Management LP | 32,500 | $500.2K | 0.03% | +32,500 | New |
| State of Alaska, Department of Revenue | 31,524 | $485.0K | 0.01% | −311−1.0% | Reduced |
| Illinois Municipal Retirement Fund | 28,832 | $444.0K | 0.01% | −4,698−14.0% | Reduced |
| Cerity Partners LLC | 28,599 | $440.1K | 0.00% | +28,599 | New |
| American International Group, Inc. | 28,343 | $436.2K | 0.00% | −253−0.9% | Reduced |
| Tower Research Capital LLC (TRC) | 28,190 | $433.8K | 0.01% | +10,208+56.8% | Added |
| Petrus Trust Company, LTA | 26,988 | $415.3K | 0.04% | +26,988 | New |
| Manufacturers Life Insurance Company, The | 26,558 | $408.7K | 0.00% | +5,628+26.9% | Added |
| Schonfeld Strategic Advisors LLC | 26,500 | $407.8K | 0.00% | −51,559−66.1% | Reduced |