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, Q4 2023
Institutional positions in Century Aluminum Co as of Dec 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
- 171
- +10 vs. Q3 2023
- Shares held
- 57.1M
- +4.52M (+8.6%) vs. Q3 2023
- Total value
- $693.3M
- +$315.2M (+83.4%) vs. Q3 2023
- New holders
- 33
- 59 more added
- Sold out
- 23
- 59 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 10,546,338 | $128.0M | 0.00% | +261,652+2.5% | Added |
| Vanguard Group Inc | 5,779,905 | $70.2M | 0.00% | −72,213−1.2% | Reduced |
| State Street Corp | 5,309,455 | $64.5M | 0.00% | −971,985−15.5% | Reduced |
| Dimensional Fund Advisors LP | 3,243,573 | $39.4M | 0.01% | +42,167+1.3% | Added |
| Invesco Ltd. | 3,094,129 | $37.6M | 0.01% | +317,112+11.4% | Added |
| Mountaineer Partners Management, LLC | 2,270,805 | $27.6M | 14.01% | +234,937+11.5% | Added |
| Fisher Asset Management, LLC | 2,110,876 | $25.6M | 0.01% | −226,235−9.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,395,500 | $16.9M | 0.03% | −890.0% | Reduced |
| Morgan Stanley | 1,284,785 | $15.6M | 0.00% | +270,884+26.7% | Added |
| Citadel Advisors LLC | 1,277,519 | $15.5M | 0.02% | −531,001−29.4% | Reduced |
| Geode Capital Management, LLC | 1,165,206 | $14.1M | 0.00% | +74,731+6.9% | Added |
| Voloridge Investment Management, LLC | 1,051,335 | $12.8M | 0.05% | +534,493+103.4% | Added |
| Balyasny Asset Management LLC | 1,037,166 | $12.6M | 0.03% | +784,663+310.8% | Added |
| Slate Path Capital LP | 878,000 | $10.7M | 0.24% | +878,000 | New |
| First Eagle Investment Management, LLC | 867,514 | $10.5M | 0.03% | +76,000+9.6% | Added |
| Charles Schwab Investment Management Inc | 850,179 | $10.3M | 0.00% | +48,631+6.1% | Added |
| Steamboat Capital Partners, LLC | 747,854 | $9.08M | 3.41% | +747,854 | New |
| Marshall Wace, LLP | 745,950 | $9.06M | 0.02% | +595,191+394.8% | Added |
| Two Sigma Investments, LP | 713,333 | $8.66M | 0.02% | +528,065+285.0% | Added |
| Millennium Management LLC | 708,291 | $8.60M | 0.01% | +214,368+43.4% | Added |
| Bank of America Corp | 621,254 | $7.54M | 0.00% | −238,624−27.8% | Reduced |
| Bridgeway Capital Management, LLC | 618,035 | $7.50M | 0.16% | +26,735+4.5% | Added |
| Northern Trust Corp | 537,269 | $6.52M | 0.00% | +4,212+0.8% | Added |
| Renaissance Technologies LLC | 451,899 | $5.49M | 0.01% | −162,600−26.5% | Reduced |
| American Century Companies Inc | 428,240 | $5.20M | 0.00% | +386,181+918.2% | Added |
| Ameriprise Financial Inc | 381,802 | $4.64M | 0.00% | +221,391+138.0% | Added |
| Bank of New York Mellon Corp | 370,593 | $4.50M | 0.00% | −78,203−17.4% | Reduced |
| Squarepoint Ops LLC | 343,090 | $4.17M | 0.02% | +209,549+156.9% | Added |
| Jane Street Group, LLC | 336,089 | $4.08M | 0.00% | +269,025+401.1% | Added |
| Goldman Sachs Group Inc | 335,125 | $4.07M | 0.00% | −198,831−37.2% | Reduced |
| Empowered Funds, LLC | 295,735 | $3.59M | 0.09% | +26,735+9.9% | Added |
| Principal Financial Group Inc | 269,283 | $3.27M | 0.00% | −7,318−2.6% | Reduced |
| D. E. Shaw & Co., Inc. | 243,476 | $2.96M | 0.00% | −93,310−27.7% | Reduced |
| Congress Asset Management Co | 214,098 | $2.60M | 0.02% | +866+0.4% | Added |
| Two Sigma Advisers, LP | 210,583 | $2.56M | 0.01% | +103,000+95.7% | Added |
| Tudor Investment Corp Et Al | 205,420 | $2.49M | 0.03% | −19,803−8.8% | Reduced |
| Credit Suisse AG | 202,317 | $2.46M | 0.00% | −21,885−9.8% | Reduced |
| Victory Capital Management Inc | 172,255 | $2.09M | 0.00% | −1,608−0.9% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 170,478 | $2.07M | 0.05% | +170,478 | New |
| Wellington Management Group LLP | 169,574 | $2.06M | 0.00% | +5,064+3.1% | Added |
| Bank of Montreal | 156,814 | $1.99M | 0.00% | +10,165+6.9% | Added |
| BNP Paribas Arbitrage, SA | 160,950 | $1.95M | 0.00% | +33,621+26.4% | Added |
| Occudo Quantitative Strategies LP | 157,697 | $1.91M | 0.26% | −22,841−12.7% | Reduced |
| Engineers Gate Manager LP | 155,141 | $1.88M | 0.05% | +136,061+713.1% | Added |
| Rhumbline Advisers | 153,453 | $1.86M | 0.00% | −3,144−2.0% | Reduced |
| Polar Asset Management Partners Inc. | 149,669 | $1.82M | 0.05% | +149,669 | New |
| Legal & General Group Plc | 142,074 | $1.72M | 0.00% | +2,240+1.6% | Added |
| Susquehanna International Group, LLP | 139,541 | $1.69M | 0.00% | +78,046+126.9% | Added |
| Nuveen Asset Management, LLC | 136,560 | $1.66M | 0.00% | +3,425+2.6% | Added |
| Assenagon Asset Management S.A. | 134,939 | $1.64M | 0.00% | −215,800−61.5% | Reduced |
| Impala Asset Management LLC | 125,000 | $1.52M | 1.64% | +125,000 | New |
| Walleye Trading LLC | 123,101 | $1.49M | 0.02% | +123,101 | New |
| Perennial Advisors, LLC | 122,055 | $1.48M | 0.36% | +122,055 | New |
| Wells Fargo & Company | 118,325 | $1.44M | 0.00% | −1,887−1.6% | Reduced |
| Swiss National Bank | 109,250 | $1.33M | 0.00% | −11,300−9.4% | Reduced |
| Public Sector Pension Investment Board | 107,385 | $1.30M | 0.01% | +43,441+67.9% | Added |
| Hudson Bay Capital Management LP | 105,000 | $1.27M | 0.01% | +105,000 | New |
| New York State Teachers Retirement System | 102,005 | $1.24M | 0.00% | +3,500+3.6% | Added |
| Semanteon Capital Management, LP | 100,713 | $1.22M | 0.83% | +100,713 | New |
| Bridgewater Associates, LP | 98,250 | $1.19M | 0.01% | +98,250 | New |
| Susquehanna Portfolio Strategies, LLC | 95,457 | $1.16M | 0.02% | +95,457 | New |
| Deutsche Bank AG | 95,034 | $1.15M | 0.00% | +66,613+234.4% | Added |
| Group One Trading, L.P. | 90,646 | $1.10M | 0.03% | +52,624+138.4% | Added |
| Barclays PLC | 83,471 | $1.01M | 0.00% | +34,206+69.4% | Added |
| Crestline Management, LP | 80,392 | $976.0K | 0.09% | +80,392 | New |
| Castle Hook Partners LP | 78,340 | $951.0K | 0.06% | +78,340 | New |
| Schonfeld Strategic Advisors LLC | 78,059 | $947.6K | 0.01% | −8,569−9.9% | Reduced |
| Norges Bank | 77,037 | $935.2K | 0.00% | −308,111−80.0% | Reduced |
| Alliancebernstein L.P. | 71,990 | $874.0K | 0.00% | +6,270+9.5% | Added |
| UBS Asset Management Americas Inc | 69,667 | $845.8K | 0.00% | −5,061−6.8% | Reduced |
| JPMorgan Chase & Co | 69,193 | $840.0K | 0.00% | +4,336+6.7% | Added |
| Highland Peak Capital, LLC | 68,501 | $831.6K | 0.62% | +68,501 | New |
| Aldebaran Capital, LLC | 66,600 | $808.5K | 0.83% | −1,280−1.9% | Reduced |
| GTS Securities LLC | 64,550 | $783.6K | 0.02% | +36,856+133.1% | Added |
| Symmetry Investments LP | 61,900 | $751.5K | 0.14% | 00.0% | Unchanged |
| Prudential Financial Inc | 60,912 | $739.5K | 0.00% | +89+0.1% | Added |
| California State Teachers Retirement System | 58,040 | $704.6K | 0.00% | −2,475−4.1% | Reduced |
| Quantbot Technologies LP | 55,970 | $679.5K | 0.04% | +41,877+297.1% | Added |
| Simplex Trading, LLC | 55,166 | $669.0K | 0.02% | +46,565+541.4% | Added |
| CoreCommodity Management, LLC | 54,434 | $660.8K | 0.20% | +39,353+260.9% | Added |
| Algert Global LLC | 54,384 | $660.2K | 0.03% | +54,384 | New |
| Royal Bank of Canada | 51,164 | $621.0K | 0.00% | +6,183+13.7% | Added |
| HSBC Holdings PLC | 50,755 | $619.0K | 0.00% | +4,356+9.4% | Added |
| Thrivent Financial for Lutherans | 46,110 | $560.0K | 0.00% | −1,218−2.6% | Reduced |
| Intrua Financial, LLC | 45,134 | $547.9K | 0.09% | +45,134 | New |
| Texas Permanent School Fund | 44,186 | $536.4K | 0.00% | +894+2.1% | Added |
| UBS Group AG | 42,067 | $510.7K | 0.00% | +35,417+532.6% | Added |
| Great West Life Assurance Co | 41,246 | $499.0K | 0.00% | −5,944−12.6% | Reduced |
| Cubist Systematic Strategies, LLC | 38,980 | $473.2K | 0.01% | −23,323−37.4% | Reduced |
| Great Valley Advisor Group, Inc. | 34,783 | $422.3K | 0.01% | −6,700−16.2% | Reduced |
| Illinois Municipal Retirement Fund | 33,530 | $407.0K | 0.01% | +2,680+8.7% | Added |
| Citigroup Inc | 32,104 | $389.7K | 0.00% | +10,591+49.2% | Added |
| Price T Rowe Associates Inc | 31,968 | $389.0K | 0.00% | +1,022+3.3% | Added |
| State of Alaska, Department of Revenue | 31,835 | $386.0K | 0.00% | −419−1.3% | Reduced |
| Advisor Group Holdings, Inc. | 30,950 | $375.7K | 0.00% | −12,905−29.4% | Reduced |
| American International Group, Inc. | 28,596 | $347.2K | 0.00% | −237−0.8% | Reduced |
| MetLife Investment Management | 27,830 | $337.9K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 26,298 | $319.3K | 0.03% | +3,636+16.0% | Added |
| Gsa Capital Partners LLP | 26,301 | $319.0K | 0.03% | −250,819−90.5% | Reduced |
| Louisiana State Employees Retirement System | 25,900 | $314.4K | 0.01% | −400−1.5% | Reduced |