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, Q2 2026
Institutional positions in Century Aluminum Co as of Jun 30, 2026. 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
- 416
- +33 vs. Q1 2026
- Shares held
- 104.1M
- +3.15M (+3.1%) vs. Q1 2026
- Total value
- $4.79B
- −$1.13B (−19.1%) vs. Q1 2026
- New holders
- 92
- 173 more added
- Sold out
- 59
- 111 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Larson Financial Group LLC | 804 | $37.0K | 0.00% | −65−7.5% | Reduced |
| Harbour Investments, Inc. | 817 | $37.6K | 0.00% | 00.0% | Unchanged |
| Signature Equity Partners, LLC | 903 | $41.5K | 0.02% | −360−28.5% | Reduced |
| Huntington National Bank | 907 | $41.7K | 0.00% | +107+13.4% | Added |
| SRS Capital Advisors, Inc. | 971 | $44.7K | 0.00% | +606+166.0% | Added |
| Ronald Blue Trust, Inc. | 1,199 | $55.2K | 0.00% | +1,199 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,223 | $56.3K | 0.01% | −11−0.9% | Reduced |
| Farther Finance Advisors, LLC | 1,307 | $60.6K | 0.00% | +17+1.3% | Added |
| USA Financial Formulas | 1,360 | $62.6K | 0.01% | +1,360 | New |
| Meeder Asset Management Inc | 1,366 | $62.9K | 0.00% | −847−38.3% | Reduced |
| Covestor Ltd | 1,398 | $64.0K | 0.04% | +92+7.0% | Added |
| Hantz Financial Services, Inc. | 1,527 | $70.0K | 0.00% | +72+4.9% | Added |
| Signaturefd, LLC | 1,545 | $71.1K | 0.00% | +3+0.2% | Added |
| Erste Asset Management GmbH | 1,637 | $75.3K | 0.00% | 00.0% | Unchanged |
| Nykredit A/S | 1,836 | $84.5K | 0.00% | +1,836 | New |
| CoreCap Advisors, LLC | 1,855 | $85.3K | 0.00% | +468+33.7% | Added |
| Northwest & Ethical Investments L.P. | 1,966 | $91.5K | 0.00% | −11,209−85.1% | Reduced |
| Vestcor Inc | 2,062 | $95.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 2,171 | $99.9K | 0.00% | +487+28.9% | Added |
| KBC Group NV | 2,199 | $101.0K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 2,238 | $103.0K | 0.00% | +2,238 | New |
| Nisa Investment Advisors, LLC | 2,433 | $111.9K | 0.00% | +1,073+78.9% | Added |
| Transamerica Financial Advisors, Inc. | 2,718 | $125.1K | 0.01% | +287+11.8% | Added |
| State of Wyoming | 3,309 | $152.2K | 0.02% | −40,223−92.4% | Reduced |
| Banque Cantonale Vaudoise | 3,612 | $166.0K | 0.01% | +3,612 | New |
| Leonteq Securities AG | 3,972 | $182.8K | 0.01% | +2,828+247.2% | Added |
| Ensign Peak Advisors, Inc | 4,050 | $186.3K | 0.00% | +4,050 | New |
| Crossmark Global Holdings, Inc. | 4,388 | $201.9K | 0.00% | −83−1.9% | Reduced |
| CIBC Asset Management Inc | 4,497 | $206.9K | 0.00% | +457+11.3% | Added |
| Guggenheim Capital LLC | 4,537 | $208.7K | 0.00% | −297−6.1% | Reduced |
| Compagnie Lombard Odier SCmA | 4,540 | $208.9K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 4,634 | $213.2K | 0.00% | +121+2.7% | Added |
| Mangrove Partners | 4,712 | $216.8K | 0.01% | +4,712 | New |
| GAMMA Investing LLC | 4,771 | $219.5K | 0.01% | +398+9.1% | Added |
| Kraft, Davis & Associates, LLC | 5,058 | $221.0K | 0.05% | 00.0% | Unchanged |
| Corsair Capital Management, L.P. | 5,000 | $230.1K | 0.03% | +5,000 | New |
| EP Wealth Advisors, LLC | 5,010 | $230.5K | 0.00% | −1,138−18.5% | Reduced |
| Sequoia Financial Advisors, LLC | 5,059 | $232.8K | 0.00% | −691−12.0% | Reduced |
| Kovack Advisors, Inc. | 5,125 | $235.8K | 0.01% | +5,125 | New |
| National Bank of Canada | 5,330 | $245.2K | 0.00% | +5,330 | New |
| Tower Research Capital LLC (TRC) | 5,330 | $245.2K | 0.01% | −1,391−20.7% | Reduced |
| Compass Financial Management LLC | 5,313 | $250.3K | 0.03% | +5,313 | New |
| Oxford Asset Management LLP | 5,529 | $254.4K | 0.13% | +450+8.9% | Added |
| AE Wealth Management LLC | 5,619 | $258.5K | 0.00% | −193−3.3% | Reduced |
| Hillsdale Investment Management Inc. | 5,650 | $260.0K | 0.01% | +5,650 | New |
| Whalen Wealth Management Inc. | 5,754 | $264.7K | 0.12% | +5,754 | New |
| Principal Securities, Inc. | 5,759 | $265.0K | 0.00% | +5,759 | New |
| The PNC Financial Services Group, Inc. | 5,790 | $266.4K | 0.00% | +700+13.8% | Added |
| Everhart Financial Group, Inc. | 5,945 | $273.5K | 0.02% | −25−0.4% | Reduced |
| Stifel Financial Corp | 5,983 | $275.3K | 0.00% | −1,664−21.8% | Reduced |
| Highland Capital Management, LLC | 6,134 | $282.2K | 0.01% | −248−3.9% | Reduced |
| Garden State Investment Advisory Services LLC | 6,191 | $284.8K | 0.06% | +6,191 | New |
| Savant Capital, LLC | 6,199 | $285.3K | 0.00% | −603−8.9% | Reduced |
| Systematic Alpha Investments, LLC | 6,200 | $285.3K | 0.01% | 00.0% | Unchanged |
| CWA Asset Management Group, LLC | 6,221 | $286.2K | 0.01% | +6,221 | New |
| Ashton Thomas Private Wealth, LLC | 6,225 | $286.4K | 0.01% | +6,225 | New |
| Schonfeld Strategic Advisors LLC | 6,231 | $286.7K | 0.00% | −22,661−78.4% | Reduced |
| Ameritas Investment Partners, Inc. | 6,370 | $293.1K | 0.01% | +1,714+36.8% | Added |
| 111 Capital | 6,442 | $296.4K | 0.05% | +6,442 | New |
| Mutual of America Capital Management LLC | 6,461 | $297.3K | 0.00% | +372+6.1% | Added |
| Keebeck Wealth Management, LLC | 6,521 | $300.0K | 0.03% | +6,521 | New |
| Xponance, Inc. | 6,958 | $320.1K | 0.00% | +1,696+32.2% | Added |
| Park Avenue Securities LLC | 7,140 | $329.0K | 0.00% | −3,859−35.1% | Reduced |
| AlphaGrep UK Ltd | 7,475 | $343.9K | 0.10% | +7,475 | New |
| Mitsubishi UFJ Trust & Banking Corp | 7,561 | $347.9K | 0.00% | +7,561 | New |
| STRS Ohio | 7,600 | $349.7K | 0.00% | +6,800+850.0% | Added |
| Teacher Retirement System of Texas | 7,766 | $357.3K | 0.00% | +7,766 | New |
| Massar Capital Management, LP | 7,827 | $360.1K | 0.12% | +7,827 | New |
| Cerity Partners LLC | 7,933 | $365.0K | 0.00% | −2,010−20.2% | Reduced |
| Amundi | 8,114 | $373.3K | 0.00% | +8,114 | New |
| Campbell & CO Investment Adviser LLC | 8,220 | $378.2K | 0.02% | +8,220 | New |
| Maryland State Retirement & Pension System | 8,221 | $378.2K | 0.01% | +464+6.0% | Added |
| Commonwealth Equity Services, LLC | 8,233 | $378.8K | 0.00% | −2,840−25.6% | Reduced |
| Ares Systematic Credit Ltd | 8,254 | $379.8K | 0.23% | +8,254 | New |
| Treasurer of the State of North Carolina | 8,501 | $391.0K | 0.00% | +8,501 | New |
| Rossby Financial, LCC | 8,500 | $391.1K | 0.07% | −200−2.3% | Reduced |
| Acadian Asset Management LLC | 8,546 | $392.0K | 0.00% | +599+7.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 8,786 | $392.5K | 0.00% | +8,786 | New |
| Swiss Life Asset Management Ltd | 8,780 | $404.0K | 0.00% | +1,619+22.6% | Added |
| Optimist Retirement Group LLC | 9,447 | $434.7K | 0.17% | +410+4.5% | Added |
| Public Employees Retirement Association of Colorado | 9,797 | $451.0K | 0.00% | −668−6.4% | Reduced |
| ProShare Advisors LLC | 9,849 | $453.2K | 0.00% | +1,037+11.8% | Added |
| Hartree Partners, LP | 10,000 | $460.1K | 0.10% | −40,000−80.0% | Reduced |
| Parallax Volatility Advisers, L.P. | 10,024 | $461.2K | 0.02% | +10,024 | New |
| Pictet Asset Management Holding SA | 10,077 | $463.6K | 0.00% | +490+5.1% | Added |
| Mercer Global Advisors Inc | 10,111 | $465.2K | 0.00% | −577−5.4% | Reduced |
| Belpointe Asset Management LLC | 10,194 | $469.0K | 0.02% | +5,114+100.7% | Added |
| Dynamic Technology Lab Private Ltd | 10,760 | $495.0K | 0.11% | +10,760 | New |
| Perennial Advisors, LLC | 10,868 | $500.0K | 0.08% | −2,000−15.5% | Reduced |
| Toroso Investments, LLC | 10,868 | $500.0K | 0.00% | +1,040+10.6% | Added |
| Los Angeles Capital Management LLC | 11,063 | $509.0K | 0.00% | −3,304−23.0% | Reduced |
| Blueshift Asset Management, LLC | 11,138 | $512.5K | 0.12% | +11,138 | New |
| Pathstone Holdings, LLC | 11,151 | $513.1K | 0.00% | −689−5.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 11,183 | $515.0K | 0.00% | +7,274+186.1% | Added |
| CoreCommodity Management, LLC | 11,723 | $539.4K | 0.11% | −15,308−56.6% | Reduced |
| Arista Wealth Management, LLC | 11,770 | $541.5K | 0.06% | +11,770 | New |
| Landscape Capital Management, L.L.C. | 11,885 | $546.8K | 0.04% | +4,178+54.2% | Added |
| Lido Advisors, LLC | 12,138 | $558.5K | 0.00% | −953−7.3% | Reduced |
| DRW Securities, LLC | 12,470 | $573.7K | 0.03% | −22,414−64.3% | Reduced |
| Integrated Wealth Concepts LLC | 12,480 | $574.2K | 0.00% | −3,482−21.8% | Reduced |