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, Q3 2024
Institutional positions in Century Aluminum Co as of Sep 30, 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
- 197
- +8 vs. Q2 2024
- Shares held
- 55.0M
- +9.74M (+21.5%) vs. Q2 2024
- Total value
- $892.4M
- +$134.5M (+17.7%) vs. Q2 2024
- New holders
- 45
- 59 more added
- Sold out
- 37
- 70 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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, Q3 2024
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 0 | $0 | 0.00% | −104,840−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −86,721−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −74,022−100.0% | Sold out |
| Highland Peak Capital, LLC | 0 | $0 | 0.00% | −64,341−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −60,100−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −53,091−100.0% | Sold out |
| Gordian Capital Singapore Pte Ltd | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −40,628−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −39,586−100.0% | Sold out |
| Hartree Partners, LP | 0 | $0 | 0.00% | −33,500−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −28,912−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −24,849−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −24,168−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −16,574−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −12,868−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −12,859−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −11,976−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −11,792−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −10,154−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −7,187−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −4,444−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −3,384−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −3,356−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −1,767−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −480−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −254−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −231−100.0% | Sold out |
| Valley National Advisers Inc | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Abich Financial Wealth Management LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| C M Bidwell & Associates Ltd | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Perennial Advisors, LLC | – | – | – | – | Not filed |