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 2025
Institutional positions in Century Aluminum Co as of Dec 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
- 326
- +76 vs. Q3 2025
- Shares held
- 99.9M
- +3.63M (+3.8%) vs. Q3 2025
- Total value
- $3.92B
- +$1.09B (+38.5%) vs. Q3 2025
- New holders
- 103
- 108 more added
- Sold out
- 27
- 92 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JustInvest LLC | 10,561 | $413.8K | 0.00% | −108−1.0% | Reduced |
| Quantinno Capital Management LP | 10,395 | $407.3K | 0.00% | +227+2.2% | Added |
| Lido Advisors, LLC | 12,911 | $405.8K | 0.00% | +196+1.5% | Added |
| ProShare Advisors LLC | 10,269 | $402.3K | 0.00% | +308+3.1% | Added |
| Commonwealth Equity Services, LLC | 9,860 | $386.3K | 0.00% | −172−1.7% | Reduced |
| Schroder Investment Management Group | 9,606 | $381.3K | 0.00% | +9,606 | New |
| Oxford Asset Management LLP | 9,615 | $376.7K | 0.13% | −5,493−36.4% | Reduced |
| Jain Global LLC | 9,591 | $375.8K | 0.00% | +9,591 | New |
| CenterBook Partners LP | 9,582 | $375.4K | 0.02% | −14,421−60.1% | Reduced |
| Pictet Asset Management Holding SA | 9,514 | $372.8K | 0.00% | +9,514 | New |
| Voya Investment Management LLC | 9,452 | $370.3K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 9,140 | $358.1K | 0.00% | −156−1.7% | Reduced |
| XTX Topco Ltd | 9,097 | $356.4K | 0.01% | −10,957−54.6% | Reduced |
| Rossby Financial, LCC | 9,050 | $354.6K | 0.11% | +9,050 | New |
| Two Sigma Securities, LLC | 8,789 | $344.4K | 0.05% | +8,789 | New |
| FMR LLC | 8,706 | $341.1K | 0.00% | +2,785+47.0% | Added |
| Stifel Financial Corp | 8,544 | $334.8K | 0.00% | +8,544 | New |
| Covestor Ltd | 7,980 | $313.0K | 0.16% | +81+1.0% | Added |
| Truist Financial Corp | 7,944 | $311.2K | 0.00% | +7,944 | New |
| Everence Capital Management Inc | 7,750 | $304.0K | 0.02% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 7,757 | $303.9K | 0.01% | +144+1.9% | Added |
| Summit Global Investments | 7,625 | $299.0K | 0.02% | +7,625 | New |
| Dynamic Technology Lab Private Ltd | 7,591 | $297.0K | 0.07% | +7,591 | New |
| Madrona Financial Services, LLC | 7,250 | $284.1K | 0.06% | 00.0% | Unchanged |
| Cetera Investment Advisers | 7,143 | $279.9K | 0.00% | +7,143 | New |
| Pinpoint Asset Management (Singapore) Pte. Ltd. | 7,032 | $275.5K | 0.06% | +7,032 | New |
| Marshall Wace, LLP | 6,912 | $270.8K | 0.00% | +6,912 | New |
| Vise Technologies, Inc. | 6,616 | $259.2K | 0.01% | −455−6.4% | Reduced |
| Savant Capital, LLC | 6,279 | $246.0K | 0.00% | +6,279 | New |
| Journey Strategic Wealth LLC | 6,275 | $245.9K | 0.01% | −1,275−16.9% | Reduced |
| Anb Bank | 6,203 | $243.0K | 0.10% | +6,203 | New |
| Systematic Alpha Investments, LLC | 6,200 | $242.9K | 0.01% | +6,200 | New |
| Mutual of America Capital Management LLC | 6,081 | $238.3K | 0.00% | +6,081 | New |
| Everhart Financial Group, Inc. | 5,927 | $232.2K | 0.02% | +5,927 | New |
| Kraft, Davis & Associates, LLC | 5,000 | $231.7K | 0.05% | +5,000 | New |
| EP Wealth Advisors, LLC | 5,786 | $226.7K | 0.00% | +5,786 | New |
| The PNC Financial Services Group, Inc. | 5,374 | $210.6K | 0.00% | +847+18.7% | Added |
| AE Wealth Management LLC | 5,361 | $210.0K | 0.00% | +5,361 | New |
| RSM US Wealth Management LLC | 5,208 | $206.7K | 0.00% | +5,208 | New |
| PVG Asset Management Corp | 5,244 | $205.5K | 0.44% | +5,244 | New |
| Versor Investments LP | 5,109 | $200.2K | 0.03% | +5,109 | New |
| Canada Pension Plan Investment Board | 4,700 | $184.1K | 0.00% | +4,700 | New |
| Meeder Asset Management Inc | 4,487 | $175.8K | 0.01% | +4,487 | New |
| Ameritas Investment Partners, Inc. | 4,414 | $172.9K | 0.01% | 00.0% | Unchanged |
| GAMMA Investing LLC | 4,395 | $172.2K | 0.01% | +213+5.1% | Added |
| Kestra Advisory Services, LLC | 4,184 | $163.9K | 0.00% | +4,184 | New |
| Tower Research Capital LLC (TRC) | 3,513 | $137.6K | 0.00% | −326−8.5% | Reduced |
| CoreCap Advisors, LLC | 2,652 | $103.9K | 0.00% | −691−20.7% | Reduced |
| Global Retirement Partners, LLC | 1,927 | $75.5K | 0.00% | +1,921+32,016.7% | Added |
| Erste Asset Management GmbH | 1,637 | $64.1K | 0.00% | +1,637 | New |
| CWM, LLC | 1,619 | $63.0K | 0.00% | +27+1.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,542 | $61.0K | 0.00% | +968+168.6% | Added |
| USA Financial Portformulas Corp | 1,542 | $60.4K | 0.01% | +1,542 | New |
| Signaturefd, LLC | 1,479 | $57.9K | 0.00% | +19+1.3% | Added |
| New Age Alpha Advisors, LLC | 1,463 | $57.3K | 0.00% | +1,463 | New |
| Signature Equity Partners, LLC | 1,303 | $51.1K | 0.03% | +1,303 | New |
| Farther Finance Advisors, LLC | 1,239 | $48.5K | 0.00% | +65+5.5% | Added |
| Hantz Financial Services, Inc. | 1,218 | $48.0K | 0.00% | +497+68.9% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,202 | $47.1K | 0.00% | +1,202 | New |
| Smartleaf Asset Management LLC | 1,185 | $47.0K | 0.00% | +386+48.3% | Added |
| Quarry LP | 1,151 | $45.1K | 0.01% | −23,550−95.3% | Reduced |
| EverSource Wealth Advisors, LLC | 1,122 | $44.0K | 0.00% | −601−34.9% | Reduced |
| Transamerica Financial Advisors, Inc. | 1,010 | $39.6K | 0.00% | +1,010 | New |
| Nisa Investment Advisors, LLC | 916 | $35.9K | 0.00% | +57+6.6% | Added |
| US Bancorp | 915 | $35.9K | 0.00% | +550+150.7% | Added |
| SRS Capital Advisors, Inc. | 901 | $35.3K | 0.00% | −554−38.1% | Reduced |
| Rockefeller Capital Management L.P. | 887 | $34.8K | 0.00% | +7+0.8% | Added |
| Assetmark, Inc | 855 | $33.5K | 0.00% | −143−14.3% | Reduced |
| Huntington National Bank | 800 | $31.3K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 800 | $31.3K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 781 | $30.6K | 0.00% | −14−1.8% | Reduced |
| Private Trust Co NA | 720 | $28.2K | 0.00% | +720 | New |
| Group One Trading, L.P. | 683 | $26.8K | 0.00% | −31,592−97.9% | Reduced |
| Larson Financial Group LLC | 591 | $23.2K | 0.00% | −158−21.1% | Reduced |
| NBC Securities, Inc. | 540 | $21.2K | 0.00% | +540 | New |
| Versant Capital Management, Inc | 508 | $19.9K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 493 | $19.3K | 0.00% | +3+0.6% | Added |
| Grove Bank & Trust | 457 | $17.9K | 0.00% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 374 | $16.4K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 351 | $13.8K | 0.00% | +223+174.2% | Added |
| Umb Bank N A | 331 | $13.0K | 0.00% | +26+8.5% | Added |
| Los Angeles Capital Management LLC | 341 | $10.1K | 0.00% | +341 | New |
| Financial Consulate, Inc | 250 | $9.79K | 0.00% | +250 | New |
| Jones Financial Companies LLLP | 234 | $9.17K | 0.00% | +33+16.4% | Added |
| First Horizon Corp | 232 | $9.09K | 0.00% | +232 | New |
| GWM Advisors LLC | 230 | $9.01K | 0.00% | −87−27.4% | Reduced |
| WPG Advisers, LLC | 230 | $9.01K | 0.01% | −46−16.7% | Reduced |
| Harbour Investments, Inc. | 223 | $8.74K | 0.00% | +223 | New |
| Fifth Third Bancorp | 212 | $8.31K | 0.00% | +30+16.5% | Added |
| Motiv8 Investments LLC | 181 | $7.00K | 0.00% | +181 | New |
| Sound Income Strategies, LLC | 146 | $6.95K | 0.00% | +146 | New |
| Hoey Investments, Inc | 175 | $6.86K | 0.00% | +175 | New |
| Parallel Advisors, LLC | 174 | $6.82K | 0.00% | +138+383.3% | Added |
| Harbor Capital Advisors, Inc. | 147 | $6.00K | 0.00% | −3−2.0% | Reduced |
| UMA Financial Services, Inc. | 151 | $5.92K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 150 | $5.88K | 0.00% | +150 | New |
| Kilter Group LLC | 128 | $5.02K | 0.00% | +54+73.0% | Added |
| Rothschild Investment LLC | 127 | $4.98K | 0.00% | +2+1.6% | Added |
| Fortitude Family Office, LLC | 124 | $4.86K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 104 | $4.08K | 0.00% | +52+100.0% | Added |