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 2025
Institutional positions in Century Aluminum Co as of Sep 30, 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
- 255
- +34 vs. Q2 2025
- Shares held
- 96.5M
- +980.6K (+1.0%) vs. Q2 2025
- Total value
- $2.83B
- +$1.11B (+64.6%) vs. Q2 2025
- New holders
- 67
- 83 more added
- Sold out
- 33
- 79 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Global Retirement Partners, LLC | 6 | $176 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 7 | $206 | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 10 | $294 | 0.00% | +10 | New |
| IFP Advisors, Inc | 12 | $352 | 0.00% | +12 | Added |
| Essential Partners LLC | 20 | $587 | 0.00% | +20 | New |
| Atlantic Trust, LLC | 30 | $881 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 30 | $881 | 0.00% | +30 | New |
| SBI Securities Co., Ltd. | 32 | $940 | 0.00% | −38−54.3% | Reduced |
| Farmers & Merchants Investments Inc | 33 | $969 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 36 | $1.06K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 52 | $1.53K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 57 | $1.67K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 61 | $1.79K | 0.00% | +61 | New |
| Allworth Financial LP | 63 | $1.85K | 0.00% | +63 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 65 | $1.91K | 0.00% | +46+242.1% | Added |
| Kilter Group LLC | 74 | $2.17K | 0.00% | +74 | New |
| Capital Advisors, Ltd. LLC | 107 | $3.00K | 0.00% | 00.0% | Unchanged |
| S&T Bank | 107 | $3.14K | 0.00% | +107 | New |
| Massmutual Trust Co FSB | 117 | $3.44K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 124 | $3.64K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 125 | $3.67K | 0.00% | −25−16.7% | Reduced |
| Sterling Capital Management LLC | 128 | $3.76K | 0.00% | +5+4.1% | Added |
| Harbor Capital Advisors, Inc. | 150 | $4.00K | 0.00% | −257−63.1% | Reduced |
| UMA Financial Services, Inc. | 151 | $4.43K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 189 | $5.00K | 0.00% | +111+142.3% | Added |
| Fifth Third Bancorp | 182 | $5.34K | 0.00% | −15−7.6% | Reduced |
| Jones Financial Companies LLLP | 201 | $5.63K | 0.00% | −981−83.0% | Reduced |
| Principal Securities, Inc. | 200 | $5.87K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 276 | $8.10K | 0.01% | +276 | New |
| Wealthspire Advisors, LLC | 286 | $8.40K | 0.00% | +286 | New |
| Optiver Holding B.V. | 290 | $8.51K | 0.00% | +78+36.8% | Added |
| Umb Bank N A | 305 | $8.96K | 0.00% | +97+46.6% | Added |
| GWM Advisors LLC | 317 | $9.30K | 0.00% | +203+178.1% | Added |
| US Bancorp | 365 | $10.7K | 0.00% | −49−11.8% | Reduced |
| Salomon & Ludwin, LLC | 374 | $11.2K | 0.00% | +374 | New |
| Grove Bank & Trust | 457 | $13.4K | 0.00% | +457 | New |
| MAI Capital Management | 490 | $14.4K | 0.00% | −74−13.1% | Reduced |
| Versant Capital Management, Inc | 508 | $14.9K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 574 | $17.0K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 721 | $21.0K | 0.00% | +356+97.5% | Added |
| Larson Financial Group LLC | 749 | $22.0K | 0.00% | +226+43.2% | Added |
| Quadrant Capital Group LLC | 795 | $23.3K | 0.00% | +795 | New |
| Smartleaf Asset Management LLC | 799 | $23.5K | 0.00% | +101+14.5% | Added |
| Huntington National Bank | 800 | $23.5K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 800 | $23.5K | 0.00% | +800 | New |
| Nisa Investment Advisors, LLC | 859 | $25.2K | 0.00% | +177+26.0% | Added |
| Rockefeller Capital Management L.P. | 880 | $25.8K | 0.00% | +880 | New |
| Assetmark, Inc | 998 | $29.3K | 0.00% | −16−1.6% | Reduced |
| Advisory Services Network, LLC | 1,153 | $33.9K | 0.00% | +1,153 | New |
| Farther Finance Advisors, LLC | 1,174 | $34.5K | 0.00% | −190−13.9% | Reduced |
| SRS Capital Advisors, Inc. | 1,455 | $42.7K | 0.00% | +1,398+2,452.6% | Added |
| Signaturefd, LLC | 1,460 | $42.9K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,592 | $47.0K | 0.00% | +332+26.3% | Added |
| EverSource Wealth Advisors, LLC | 1,723 | $50.6K | 0.00% | −99−5.4% | Reduced |
| CoreCap Advisors, LLC | 3,343 | $98.2K | 0.00% | −1,552−31.7% | Reduced |
| Point72 (DIFC) Ltd | 3,502 | $102.8K | 0.01% | +3,502 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 3,823 | $112.3K | 0.02% | +3,823 | New |
| Tower Research Capital LLC (TRC) | 3,839 | $112.7K | 0.00% | −8,255−68.3% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 4,100 | $120.4K | 0.06% | +4,100 | New |
| GAMMA Investing LLC | 4,182 | $122.8K | 0.01% | −50−1.2% | Reduced |
| Ameritas Investment Partners, Inc. | 4,414 | $129.6K | 0.00% | −777−15.0% | Reduced |
| The PNC Financial Services Group, Inc. | 4,527 | $132.9K | 0.00% | +113+2.6% | Added |
| FMR LLC | 5,921 | $173.9K | 0.00% | +117+2.0% | Added |
| GTS Securities LLC | 6,925 | $203.3K | 0.01% | +6,925 | New |
| EntryPoint Capital, LLC | 7,039 | $206.7K | 0.08% | +7,039 | New |
| Vise Technologies, Inc. | 7,071 | $207.6K | 0.01% | +7,071 | New |
| FNY Investment Advisers, LLC | 7,140 | $209.0K | 0.07% | +7,140 | New |
| Axq Capital, LP | 7,125 | $209.2K | 0.08% | +7,125 | New |
| Madrona Financial Services, LLC | 7,250 | $212.9K | 0.05% | +7,250 | New |
| Fox Run Management, L.L.C. | 7,324 | $215.0K | 0.03% | −28,222−79.4% | Reduced |
| Journey Strategic Wealth LLC | 7,550 | $221.7K | 0.01% | +7,550 | New |
| Maryland State Retirement & Pension System | 7,613 | $223.5K | 0.00% | −7,568−49.9% | Reduced |
| Everence Capital Management Inc | 7,750 | $228.0K | 0.01% | +7,750 | New |
| Covestor Ltd | 7,899 | $232.0K | 0.13% | −2,384−23.2% | Reduced |
| Cerity Partners LLC | 9,226 | $270.9K | 0.00% | +9,226 | New |
| Guggenheim Capital LLC | 9,254 | $271.7K | 0.00% | +9,254 | New |
| Mercer Global Advisors Inc | 9,296 | $272.9K | 0.00% | +9,296 | New |
| Polymer Capital Management (US) LLC | 9,297 | $273.0K | 0.04% | −14,203−60.4% | Reduced |
| Sheets Smith Wealth Management | 9,349 | $274.5K | 0.03% | +9,349 | New |
| Voya Investment Management LLC | 9,452 | $277.5K | 0.00% | −4,918−34.2% | Reduced |
| PharVision Advisers, LLC | 9,879 | $290.0K | 0.16% | +9,879 | New |
| ProShare Advisors LLC | 9,961 | $292.5K | 0.00% | −1,705−14.6% | Reduced |
| Quest Partners LLC | 9,984 | $293.1K | 0.02% | −966−8.8% | Reduced |
| Commonwealth Equity Services, LLC | 10,032 | $295.0K | 0.00% | +10,032 | New |
| Quantinno Capital Management LP | 10,168 | $298.5K | 0.00% | +10,168 | New |
| Park Avenue Securities LLC | 10,236 | $301.0K | 0.00% | −10,889−51.5% | Reduced |
| JustInvest LLC | 10,669 | $313.2K | 0.00% | −588−5.2% | Reduced |
| KLP Kapitalforvaltning AS | 10,900 | $320.0K | 0.00% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 11,152 | $327.4K | 0.00% | +11,152 | New |
| Creative Planning | 11,163 | $327.7K | 0.00% | +11,163 | New |
| Oregon Public Employees Retirement Fund | 12,002 | $352.4K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 12,620 | $370.5K | 0.00% | 00.0% | Unchanged |
| Three Seasons Wealth, LLC | 12,639 | $371.1K | 0.04% | −12,397−49.5% | Reduced |
| Lido Advisors, LLC | 12,715 | $373.3K | 0.00% | +141+1.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,549 | $397.8K | 0.00% | +134+1.0% | Added |
| Neuberger Berman Group LLC | 13,612 | $399.6K | 0.00% | −365−2.6% | Reduced |
| Jump Financial, LLC | 14,409 | $423.0K | 0.01% | −50,486−77.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 14,466 | $424.7K | 0.00% | +2,521+21.1% | Added |
| Callan Family Office, LLC | 14,706 | $431.8K | 0.01% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 14,827 | $435.0K | 0.00% | −3,109−17.3% | Reduced |