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 2023
Institutional positions in Century Aluminum Co as of Mar 31, 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
- 168
- 0 vs. Q4 2022
- Shares held
- 51.8M
- +32.8K (+0.1%) vs. Q4 2022
- Total value
- $518.2M
- +$95.0M (+22.4%) vs. Q4 2022
- New holders
- 27
- 50 more added
- Sold out
- 27
- 63 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 9,344,428 | $93.4M | 0.00% | −378,100−3.9% | Reduced |
| State Street Corp | 6,459,496 | $64.6M | 0.00% | +31,465+0.5% | Added |
| Vanguard Group Inc | 6,091,410 | $60.9M | 0.00% | −112,209−1.8% | Reduced |
| Dimensional Fund Advisors LP | 3,905,938 | $39.1M | 0.01% | +727,150+22.9% | Added |
| Fisher Asset Management, LLC | 2,377,503 | $23.8M | 0.01% | −109,482−4.4% | Reduced |
| Citadel Advisors LLC | 2,197,455 | $22.0M | 0.02% | +456,054+26.2% | Added |
| Victory Capital Management Inc | 1,661,674 | $16.6M | 0.02% | +1,650,571+14,866.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,173,601 | $11.7M | 0.03% | +476,720+68.4% | Added |
| Morgan Stanley | 1,119,793 | $11.2M | 0.00% | −123,928−10.0% | Reduced |
| Mountaineer Partners Management, LLC | 1,103,201 | $11.0M | 8.02% | +139,883+14.5% | Added |
| Invesco Ltd. | 1,039,718 | $10.4M | 0.00% | −14,836−1.4% | Reduced |
| Geode Capital Management, LLC | 1,016,737 | $10.2M | 0.00% | +47,486+4.9% | Added |
| Charles Schwab Investment Management Inc | 737,010 | $7.37M | 0.00% | +65,829+9.8% | Added |
| Renaissance Technologies LLC | 701,199 | $7.01M | 0.01% | −336,300−32.4% | Reduced |
| Voloridge Investment Management, LLC | 677,218 | $6.77M | 0.03% | +122,209+22.0% | Added |
| Bank of America Corp | 642,967 | $6.43M | 0.00% | +302,696+89.0% | Added |
| Bridgeway Capital Management, LLC | 560,500 | $5.61M | 0.15% | −13,300−2.3% | Reduced |
| Northern Trust Corp | 532,757 | $5.33M | 0.00% | +17,301+3.4% | Added |
| Goldman Sachs Group Inc | 526,057 | $5.26M | 0.00% | +48,724+10.2% | Added |
| Bank of New York Mellon Corp | 488,345 | $4.88M | 0.00% | −20,054−3.9% | Reduced |
| Royce & Associates LP | 480,538 | $4.81M | 0.05% | +23,200+5.1% | Added |
| Norges Bank | 430,193 | $4.30M | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 404,546 | $4.05M | 0.01% | −438,691−52.0% | Reduced |
| First Eagle Investment Management, LLC | 339,205 | $3.39M | 0.01% | −71,700−17.4% | Reduced |
| Principal Financial Group Inc | 308,696 | $3.09M | 0.00% | −7,559−2.4% | Reduced |
| Capital Fund Management S.A. | 302,659 | $3.03M | 0.06% | −111,241−26.9% | Reduced |
| Balyasny Asset Management LLC | 292,339 | $2.92M | 0.01% | −89,798−23.5% | Reduced |
| Nuveen Asset Management, LLC | 290,074 | $2.90M | 0.00% | −10,640−3.5% | Reduced |
| Deutsche Bank AG | 282,225 | $2.82M | 0.00% | +11,054+4.1% | Added |
| Two Sigma Investments, LP | 250,176 | $2.50M | 0.01% | −365,887−59.4% | Reduced |
| Two Sigma Advisers, LP | 214,683 | $2.15M | 0.01% | −111,700−34.2% | Reduced |
| Ameriprise Financial Inc | 212,523 | $2.13M | 0.00% | +18,989+9.8% | Added |
| Congress Asset Management Co | 210,242 | $2.10M | 0.02% | +20,960+11.1% | Added |
| Occudo Quantitative Strategies LP | 196,130 | $1.96M | 0.18% | −82,186−29.5% | Reduced |
| Credit Suisse AG | 172,303 | $1.72M | 0.00% | +2,880+1.7% | Added |
| PDT Partners, LLC | 170,867 | $1.71M | 0.23% | +760.0% | Added |
| Wellington Management Group LLP | 167,130 | $1.67M | 0.00% | −1,391−0.8% | Reduced |
| Barclays PLC | 165,321 | $1.65M | 0.00% | +125,396+314.1% | Added |
| Susquehanna Fundamental Investments, LLC | 164,438 | $1.64M | 0.04% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 157,140 | $1.57M | 0.01% | +127,999+439.2% | Added |
| Rhumbline Advisers | 155,541 | $1.55M | 0.00% | +7,524+5.1% | Added |
| Bank of Montreal | 122,504 | $1.54M | 0.00% | −25,522−17.2% | Reduced |
| Legal & General Group Plc | 145,143 | $1.45M | 0.00% | −1,966−1.3% | Reduced |
| BNP Paribas Arbitrage, SA | 130,710 | $1.31M | 0.00% | −230,153−63.8% | Reduced |
| Russell Investments Group, Ltd. | 130,391 | $1.30M | 0.00% | +32,426+33.1% | Added |
| ClariVest Asset Management LLC | 115,662 | $1.16M | 0.05% | +115,662 | New |
| SummerHaven Investment Management, LLC | 111,066 | $1.11M | 0.65% | +1,685+1.5% | Added |
| Swiss National Bank | 108,450 | $1.08M | 0.00% | −12,900−10.6% | Reduced |
| Wells Fargo & Company | 103,102 | $1.03M | 0.00% | +8,397+8.9% | Added |
| New York State Teachers Retirement System | 102,344 | $1.02M | 0.00% | +2,339+2.3% | Added |
| Assenagon Asset Management S.A. | 98,644 | $986.4K | 0.00% | −98,626−50.0% | Reduced |
| Venture Visionary Partners LLC | 95,721 | $957.2K | 0.06% | −12,004−11.1% | Reduced |
| Susquehanna International Group, LLP | 91,993 | $919.9K | 0.00% | −61,817−40.2% | Reduced |
| Public Sector Pension Investment Board | 89,969 | $899.7K | 0.01% | −4,238−4.5% | Reduced |
| Trexquant Investment LP | 86,913 | $869.1K | 0.02% | −26,063−23.1% | Reduced |
| Gsa Capital Partners LLP | 78,381 | $784.0K | 0.08% | +78,381 | New |
| Lazard Asset Management LLC | 75,666 | $756.0K | 0.00% | −48,735−39.2% | Reduced |
| UBS Asset Management Americas Inc | 74,728 | $747.3K | 0.00% | +5,061+7.3% | Added |
| Jane Street Group, LLC | 74,543 | $745.4K | 0.00% | −30,445−29.0% | Reduced |
| UBS Group AG | 71,820 | $718.2K | 0.00% | +52,878+279.2% | Added |
| Hunter Associates Investment Management LLC | 71,500 | $715.0K | 0.15% | 00.0% | Unchanged |
| Aldebaran Capital, LLC | 68,075 | $680.8K | 0.70% | −1,280−1.8% | Reduced |
| State of Wisconsin Investment Board | 67,127 | $671.3K | 0.00% | +67,127 | New |
| JPMorgan Chase & Co | 66,110 | $661.0K | 0.00% | −152,747−69.8% | Reduced |
| California State Teachers Retirement System | 63,452 | $634.5K | 0.00% | −913−1.4% | Reduced |
| Boulder Hill Capital Management LP | 57,838 | $578.4K | 0.47% | +57,838 | New |
| New York State Common Retirement Fund | 57,238 | $572.4K | 0.00% | −47,744−45.5% | Reduced |
| Symmetry Investments LP | 57,100 | $571.0K | 0.27% | +57,100 | New |
| Graham Capital Management, L.P. | 55,605 | $556.0K | 0.02% | +25,032+81.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 54,163 | $541.6K | 0.00% | −584−1.1% | Reduced |
| Alliancebernstein L.P. | 54,070 | $540.7K | 0.00% | −26,249−32.7% | Reduced |
| Algert Global LLC | 53,956 | $539.6K | 0.03% | −10,013−15.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 53,600 | $536.0K | 0.01% | −123,200−69.7% | Reduced |
| Thrivent Financial for Lutherans | 50,695 | $507.0K | 0.00% | −1,776−3.4% | Reduced |
| Great West Life Assurance Co | 50,531 | $505.0K | 0.00% | −902−1.8% | Reduced |
| Prudential Financial Inc | 49,960 | $499.6K | 0.00% | −1,800−3.5% | Reduced |
| Texas Permanent School Fund | 45,380 | $453.8K | 0.00% | +11,349+33.3% | Added |
| Great Valley Advisor Group, Inc. | 40,783 | $407.8K | 0.02% | +40,783 | New |
| PEAK6 Investments LLC | 37,733 | $377.3K | 0.02% | +25,263+202.6% | Added |
| Advisor Group Holdings, Inc. | 36,724 | $367.2K | 0.00% | −5,921−13.9% | Reduced |
| Royal Bank of Canada | 35,075 | $351.0K | 0.00% | −3,843−9.9% | Reduced |
| State of Alaska, Department of Revenue | 35,029 | $350.0K | 0.00% | −490−1.4% | Reduced |
| SG Americas Securities, LLC | 34,927 | $349.0K | 0.00% | +34,927 | New |
| Millennium Management LLC | 33,247 | $332.0K | 0.00% | −32,173−49.2% | Reduced |
| Point72 Middle East FZE | 32,558 | $325.6K | 0.02% | +32,558 | New |
| Price T Rowe Associates Inc | 28,798 | $288.0K | 0.00% | −2,752−8.7% | Reduced |
| Yousif Capital Management, LLC | 28,561 | $285.6K | 0.00% | −3,775−11.7% | Reduced |
| American International Group, Inc. | 28,312 | $283.1K | 0.00% | +133+0.5% | Added |
| AE Wealth Management LLC | 28,185 | $281.9K | 0.00% | +28,185 | New |
| Integrated Wealth Concepts LLC | 28,096 | $281.0K | 0.01% | +28,096 | New |
| American Century Companies Inc | 28,028 | $280.3K | 0.00% | +17,820+174.6% | Added |
| MetLife Investment Management | 27,830 | $278.3K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 27,130 | $271.3K | 0.00% | +4,512+19.9% | Added |
| AQR Capital Management LLC | 26,443 | $264.4K | 0.00% | −152,465−85.2% | Reduced |
| Citigroup Inc | 25,076 | $250.8K | 0.00% | −5,606−18.3% | Reduced |
| Jade Capital Advisors, LLC | 25,000 | $250.0K | 0.36% | +25,000 | New |
| Louisiana State Employees Retirement System | 23,800 | $238.0K | 0.01% | −500−2.1% | Reduced |
| Amalgamated Bank | 23,312 | $233.0K | 0.00% | −1,605−6.4% | Reduced |
| Janus Henderson Group PLC | 23,236 | $232.2K | 0.00% | +12,280+112.1% | Added |
| Harbour Capital Advisors, LLC | 23,225 | $232.0K | 0.07% | +23,225 | New |