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 2025
Institutional positions in Century Aluminum Co as of Mar 31, 2025. 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
- 218
- +1 vs. Q4 2024
- Shares held
- 92.4M
- +474.2K (+0.5%) vs. Q4 2024
- Total value
- $1.72B
- +$40.1M (+2.4%) vs. Q4 2024
- New holders
- 50
- 68 more added
- Sold out
- 49
- 80 more reduced
5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Great West Life Assurance Co | 44,560 | $827.0K | 0.00% | −8,441−15.9% | Reduced |
| FNY Investment Advisers, LLC | 42,865 | $795.0K | 0.49% | +39,865+1,328.8% | Added |
| Cambridge Investment Research Advisors, Inc. | 41,622 | $773.0K | 0.00% | +15,683+60.5% | Added |
| Los Angeles Capital Management LLC | 40,337 | $748.7K | 0.00% | −3,774−8.6% | Reduced |
| AQR Capital Management LLC | 39,001 | $723.9K | 0.00% | +7,051+22.1% | Added |
| Trexquant Investment LP | 38,180 | $708.6K | 0.01% | −49,955−56.7% | Reduced |
| Thrivent Financial for Lutherans | 38,171 | $708.0K | 0.00% | −1,997−5.0% | Reduced |
| BW Gestao de Investimentos Ltda. | 38,001 | $705.3K | 0.08% | +38,001 | New |
| Thomist Capital Management, LP | 37,646 | $698.7K | 0.29% | +37,646 | New |
| Centiva Capital, LP | 36,604 | $679.4K | 0.04% | +36,604 | New |
| Verition Fund Management LLC | 34,353 | $637.6K | 0.00% | −5,108−12.9% | Reduced |
| Caxton Associates LLP | 34,115 | $633.2K | 0.02% | +34,115 | New |
| Millennium Management LLC | 33,801 | $627.3K | 0.00% | −423,927−92.6% | Reduced |
| Teacher Retirement System of Texas | 33,414 | $620.2K | 0.00% | +18,909+130.4% | Added |
| Compass Wealth Management LLC | 32,200 | $597.6K | 0.15% | +32,200 | New |
| MetLife Investment Management | 31,578 | $586.1K | 0.00% | −329−1.0% | Reduced |
| Versor Investments LP | 29,900 | $554.9K | 0.09% | +29,900 | New |
| Perennial Advisors, LLC | 29,368 | $545.1K | 0.11% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 28,795 | $534.0K | 0.01% | −681−2.3% | Reduced |
| D. E. Shaw & Co., Inc. | 28,379 | $526.7K | 0.00% | −107,047−79.0% | Reduced |
| Engineers Gate Manager LP | 28,376 | $526.7K | 0.01% | +6,986+32.7% | Added |
| Corebridge Financial, Inc. | 27,541 | $511.2K | 0.00% | −537−1.9% | Reduced |
| Virginia Retirement Systems Et Al | 26,700 | $495.6K | 0.00% | +26,700 | New |
| Illinois Municipal Retirement Fund | 25,848 | $479.7K | 0.01% | −3,547−12.1% | Reduced |
| Polymer Capital Management (US) LLC | 25,697 | $476.9K | 0.14% | +2,197+9.3% | Added |
| HSBC Holdings PLC | 25,358 | $462.4K | 0.00% | −4,283−14.4% | Reduced |
| Cambria Investment Management, L.P. | 24,538 | $455.4K | 0.03% | −2,183−8.2% | Reduced |
| Louisiana State Employees Retirement System | 24,500 | $454.7K | 0.01% | −600−2.4% | Reduced |
| SEI Investments Co | 23,590 | $437.8K | 0.00% | +3,173+15.5% | Added |
| State Board of Administration of Florida Retirement System | 23,219 | $430.9K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 22,906 | $424.4K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 22,820 | $423.5K | 0.00% | +3,700+19.4% | Added |
| Aquatic Capital Management LLC | 22,701 | $421.3K | 0.01% | −37,117−62.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,441 | $416.5K | 0.00% | +5,182+30.0% | Added |
| Aristeia Capital LLC | 21,979 | $407.9K | 0.01% | +21,979 | New |
| SG Americas Securities, LLC | 21,155 | $393.0K | 0.00% | −4,087−16.2% | Reduced |
| Park Avenue Securities LLC | 20,890 | $388.0K | 0.00% | +2,381+12.9% | Added |
| Hudson Bay Capital Management LP | 20,000 | $371.2K | 0.00% | +20,000 | New |
| Hodges Capital Management Inc. | 20,000 | $371.0K | 0.04% | +20,000 | New |
| Yousif Capital Management, LLC | 19,440 | $360.8K | 0.00% | −407−2.1% | Reduced |
| Manufacturers Life Insurance Company, The | 19,207 | $356.5K | 0.00% | −7,031−26.8% | Reduced |
| Comerica Bank | 18,946 | $351.6K | 0.00% | −428−2.2% | Reduced |
| Brevan Howard Capital Management LP | 18,601 | $345.2K | 0.01% | +18,601 | New |
| IHT Wealth Management, LLC | 18,333 | $340.3K | 0.01% | +18,333 | New |
| Teachers Retirement System of the State of Kentucky | 17,936 | $333.0K | 0.00% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 17,486 | $325.0K | 0.00% | +310+1.8% | Added |
| Integrated Wealth Concepts LLC | 17,288 | $320.9K | 0.00% | −246−1.4% | Reduced |
| Arizona State Retirement System | 15,938 | $295.8K | 0.00% | −202−1.3% | Reduced |
| Advisor Group Holdings, Inc. | 15,706 | $291.5K | 0.00% | +4,887+45.2% | Added |
| Maryland State Retirement & Pension System | 15,181 | $281.8K | 0.01% | −2,365−13.5% | Reduced |
| Levin Capital Strategies, L.P. | 15,000 | $278.4K | 0.03% | +15,000 | New |
| Amalgamated Bank | 14,828 | $275.0K | 0.00% | −407−2.7% | Reduced |
| Voya Investment Management LLC | 14,230 | $264.1K | 0.00% | −1,716−10.8% | Reduced |
| Quadrature Capital Ltd | 13,055 | $242.3K | 0.01% | +13,055 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 12,436 | $230.8K | 0.00% | +1,342+12.1% | Added |
| ProShare Advisors LLC | 12,416 | $230.4K | 0.00% | −3,477−21.9% | Reduced |
| Polymer Capital Management (HK) LTD | 12,200 | $226.4K | 0.04% | +12,200 | New |
| Police & Firemen's Retirement System of New Jersey | 11,945 | $221.7K | 0.00% | +1,328+12.5% | Added |
| Oregon Public Employees Retirement Fund | 11,902 | $220.9K | 0.00% | −300−2.5% | Reduced |
| LPL Financial LLC | 11,825 | $219.5K | 0.00% | +11,825 | New |
| CIBC World Markets Corp | 11,714 | $217.4K | 0.00% | +11,714 | New |
| Royal Bank of Canada | 11,621 | $215.0K | 0.00% | +4,666+67.1% | Added |
| Orion Resource Partners LP | 11,205 | $208.0K | 0.04% | −5,887−34.4% | Reduced |
| KLP Kapitalforvaltning AS | 10,900 | $202.3K | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 10,835 | $201.1K | 0.00% | +10,835 | New |
| Boothbay Fund Management, LLC | 10,760 | $199.7K | 0.01% | −7,071−39.7% | Reduced |
| Cerity Partners LLC | 10,451 | $194.0K | 0.00% | −4,557−30.4% | Reduced |
| Headlands Technologies LLC | 7,926 | $147.1K | 0.02% | −13,275−62.6% | Reduced |
| Quest Partners LLC | 6,970 | $129.4K | 0.01% | +4,459+177.6% | Added |
| FMR LLC | 5,746 | $106.7K | 0.00% | +1,441+33.5% | Added |
| CoreCap Advisors, LLC | 5,513 | $102.3K | 0.00% | +5,489+22,870.8% | Added |
| GAMMA Investing LLC | 5,418 | $100.6K | 0.01% | +628+13.1% | Added |
| Aster Capital Management (DIFC) Ltd | 5,176 | $98.1K | 0.02% | +5,176 | New |
| Ameritas Investment Partners, Inc. | 5,191 | $96.3K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 4,020 | $74.6K | 0.06% | +2,909+261.8% | Added |
| The PNC Financial Services Group, Inc. | 3,908 | $72.5K | 0.00% | −52−1.3% | Reduced |
| Covestor Ltd | 3,388 | $63.0K | 0.04% | −16,147−82.7% | Reduced |
| Nisa Investment Advisors, LLC | 3,330 | $61.8K | 0.00% | +74+2.3% | Added |
| Coldstream Capital Management Inc | 2,845 | $52.8K | 0.00% | +2,845 | New |
| Signaturefd, LLC | 1,426 | $26.5K | 0.00% | +135+10.5% | Added |
| Tower Research Capital LLC (TRC) | 1,137 | $21.1K | 0.00% | −1,132−49.9% | Reduced |
| Smartleaf Asset Management LLC | 1,047 | $19.4K | 0.00% | −117−10.1% | Reduced |
| Pinpoint Asset Management Ltd | 1,026 | $19.0K | 0.00% | +1,026 | New |
| CWM, LLC | 1,003 | $19.0K | 0.00% | +448+80.7% | Added |
| Huntington National Bank | 800 | $14.8K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 639 | $11.9K | 0.00% | +13+2.1% | Added |
| Assetmark, Inc | 632 | $11.7K | 0.00% | +58+10.1% | Added |
| EverSource Wealth Advisors, LLC | 516 | $9.58K | 0.00% | +66+14.7% | Added |
| Versant Capital Management, Inc | 508 | $9.43K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 427 | $8.00K | 0.00% | +427 | New |
| US Bancorp | 414 | $7.68K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 400 | $7.42K | 0.00% | +100+33.3% | Added |
| Bessemer Group Inc | 368 | $7.00K | 0.00% | +290+371.8% | Added |
| Fifth Third Bancorp | 349 | $6.48K | 0.00% | +235+206.1% | Added |
| Hexagon Capital Partners LLC | 305 | $5.66K | 0.00% | −110−26.5% | Reduced |
| Skopos Labs, Inc. | 257 | $4.77K | 0.00% | −36−12.3% | Reduced |
| Optiver Holding B.V. | 212 | $3.94K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 180 | $3.34K | 0.00% | +54+42.9% | Added |
| GWM Advisors LLC | 121 | $2.25K | 0.00% | +112+1,244.4% | Added |
| Rothschild Investment LLC | 120 | $2.23K | 0.00% | +25+26.3% | Added |