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 |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 69,193 | $840.0K | 0.00% | +4,336+6.7% | Added |
| UBS Asset Management Americas Inc | 69,667 | $845.8K | 0.00% | −5,061−6.8% | Reduced |
| Alliancebernstein L.P. | 71,990 | $874.0K | 0.00% | +6,270+9.5% | Added |
| Norges Bank | 77,037 | $935.2K | 0.00% | −308,111−80.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 78,059 | $947.6K | 0.01% | −8,569−9.9% | Reduced |
| Castle Hook Partners LP | 78,340 | $951.0K | 0.06% | +78,340 | New |
| Crestline Management, LP | 80,392 | $976.0K | 0.09% | +80,392 | New |
| Barclays PLC | 83,471 | $1.01M | 0.00% | +34,206+69.4% | Added |
| Group One Trading, L.P. | 90,646 | $1.10M | 0.03% | +52,624+138.4% | Added |
| Deutsche Bank AG | 95,034 | $1.15M | 0.00% | +66,613+234.4% | Added |
| Susquehanna Portfolio Strategies, LLC | 95,457 | $1.16M | 0.02% | +95,457 | New |
| Bridgewater Associates, LP | 98,250 | $1.19M | 0.01% | +98,250 | New |
| Semanteon Capital Management, LP | 100,713 | $1.22M | 0.83% | +100,713 | New |
| New York State Teachers Retirement System | 102,005 | $1.24M | 0.00% | +3,500+3.6% | Added |
| Hudson Bay Capital Management LP | 105,000 | $1.27M | 0.01% | +105,000 | New |
| Public Sector Pension Investment Board | 107,385 | $1.30M | 0.01% | +43,441+67.9% | Added |
| Swiss National Bank | 109,250 | $1.33M | 0.00% | −11,300−9.4% | Reduced |
| Wells Fargo & Company | 118,325 | $1.44M | 0.00% | −1,887−1.6% | Reduced |
| Perennial Advisors, LLC | 122,055 | $1.48M | 0.36% | +122,055 | New |
| Walleye Trading LLC | 123,101 | $1.49M | 0.02% | +123,101 | New |
| Impala Asset Management LLC | 125,000 | $1.52M | 1.64% | +125,000 | New |
| Assenagon Asset Management S.A. | 134,939 | $1.64M | 0.00% | −215,800−61.5% | Reduced |
| Nuveen Asset Management, LLC | 136,560 | $1.66M | 0.00% | +3,425+2.6% | Added |
| Susquehanna International Group, LLP | 139,541 | $1.69M | 0.00% | +78,046+126.9% | Added |
| Legal & General Group Plc | 142,074 | $1.72M | 0.00% | +2,240+1.6% | Added |
| Polar Asset Management Partners Inc. | 149,669 | $1.82M | 0.05% | +149,669 | New |
| Rhumbline Advisers | 153,453 | $1.86M | 0.00% | −3,144−2.0% | Reduced |
| Engineers Gate Manager LP | 155,141 | $1.88M | 0.05% | +136,061+713.1% | Added |
| Occudo Quantitative Strategies LP | 157,697 | $1.91M | 0.26% | −22,841−12.7% | Reduced |
| BNP Paribas Arbitrage, SA | 160,950 | $1.95M | 0.00% | +33,621+26.4% | Added |
| Bank of Montreal | 156,814 | $1.99M | 0.00% | +10,165+6.9% | Added |
| Wellington Management Group LLP | 169,574 | $2.06M | 0.00% | +5,064+3.1% | Added |
| Weiss Multi-Strategy Advisers LLC | 170,478 | $2.07M | 0.05% | +170,478 | New |
| Victory Capital Management Inc | 172,255 | $2.09M | 0.00% | −1,608−0.9% | Reduced |
| Credit Suisse AG | 202,317 | $2.46M | 0.00% | −21,885−9.8% | Reduced |
| Tudor Investment Corp Et Al | 205,420 | $2.49M | 0.03% | −19,803−8.8% | Reduced |
| Two Sigma Advisers, LP | 210,583 | $2.56M | 0.01% | +103,000+95.7% | Added |
| Congress Asset Management Co | 214,098 | $2.60M | 0.02% | +866+0.4% | Added |
| D. E. Shaw & Co., Inc. | 243,476 | $2.96M | 0.00% | −93,310−27.7% | Reduced |
| Principal Financial Group Inc | 269,283 | $3.27M | 0.00% | −7,318−2.6% | Reduced |
| Empowered Funds, LLC | 295,735 | $3.59M | 0.09% | +26,735+9.9% | Added |
| Goldman Sachs Group Inc | 335,125 | $4.07M | 0.00% | −198,831−37.2% | Reduced |
| Jane Street Group, LLC | 336,089 | $4.08M | 0.00% | +269,025+401.1% | Added |
| Squarepoint Ops LLC | 343,090 | $4.17M | 0.02% | +209,549+156.9% | Added |
| Bank of New York Mellon Corp | 370,593 | $4.50M | 0.00% | −78,203−17.4% | Reduced |
| Ameriprise Financial Inc | 381,802 | $4.64M | 0.00% | +221,391+138.0% | Added |
| American Century Companies Inc | 428,240 | $5.20M | 0.00% | +386,181+918.2% | Added |
| Renaissance Technologies LLC | 451,899 | $5.49M | 0.01% | −162,600−26.5% | Reduced |
| Northern Trust Corp | 537,269 | $6.52M | 0.00% | +4,212+0.8% | Added |
| Bridgeway Capital Management, LLC | 618,035 | $7.50M | 0.16% | +26,735+4.5% | Added |
| Bank of America Corp | 621,254 | $7.54M | 0.00% | −238,624−27.8% | Reduced |
| Millennium Management LLC | 708,291 | $8.60M | 0.01% | +214,368+43.4% | Added |
| Two Sigma Investments, LP | 713,333 | $8.66M | 0.02% | +528,065+285.0% | Added |
| Marshall Wace, LLP | 745,950 | $9.06M | 0.02% | +595,191+394.8% | Added |
| Steamboat Capital Partners, LLC | 747,854 | $9.08M | 3.41% | +747,854 | New |
| Charles Schwab Investment Management Inc | 850,179 | $10.3M | 0.00% | +48,631+6.1% | Added |
| First Eagle Investment Management, LLC | 867,514 | $10.5M | 0.03% | +76,000+9.6% | Added |
| Slate Path Capital LP | 878,000 | $10.7M | 0.24% | +878,000 | New |
| Balyasny Asset Management LLC | 1,037,166 | $12.6M | 0.03% | +784,663+310.8% | Added |
| Voloridge Investment Management, LLC | 1,051,335 | $12.8M | 0.05% | +534,493+103.4% | Added |
| Geode Capital Management, LLC | 1,165,206 | $14.1M | 0.00% | +74,731+6.9% | Added |
| Citadel Advisors LLC | 1,277,519 | $15.5M | 0.02% | −531,001−29.4% | Reduced |
| Morgan Stanley | 1,284,785 | $15.6M | 0.00% | +270,884+26.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,395,500 | $16.9M | 0.03% | −890.0% | Reduced |
| Fisher Asset Management, LLC | 2,110,876 | $25.6M | 0.01% | −226,235−9.7% | Reduced |
| Mountaineer Partners Management, LLC | 2,270,805 | $27.6M | 14.01% | +234,937+11.5% | Added |
| Invesco Ltd. | 3,094,129 | $37.6M | 0.01% | +317,112+11.4% | Added |
| Dimensional Fund Advisors LP | 3,243,573 | $39.4M | 0.01% | +42,167+1.3% | Added |
| State Street Corp | 5,309,455 | $64.5M | 0.00% | −971,985−15.5% | Reduced |
| Vanguard Group Inc | 5,779,905 | $70.2M | 0.00% | −72,213−1.2% | Reduced |
| BlackRock Inc. | 10,546,338 | $128.0M | 0.00% | +261,652+2.5% | Added |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −201,567−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −159,395−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −120,006−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −95,618−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −82,354−100.0% | Sold out |
| Jade Capital Advisors, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Hunter Associates Investment Management LLC | 0 | $0 | 0.00% | −71,500−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −55,426−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −20,827−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −20,497−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −14,376−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −12,516−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −12,296−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −12,205−100.0% | Sold out |
| Venture Visionary Partners LLC | 0 | $0 | 0.00% | −11,595−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −10,820−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −10,276−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −8,489−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −4,508−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −201−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Advisor Partners II, LLC | – | – | – | – | Not filed |