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 |
|---|---|---|---|---|---|
| Dunhill Financial, LLC | 1 | $39 | 0.00% | +1 | New |
| Gilpin Wealth Management, LLC | 4 | $157 | 0.00% | +4 | New |
| TD Capital Management LLC | 6 | $235 | 0.00% | +6 | New |
| Ankerstar Wealth, LLC | 6 | $235 | 0.00% | +6 | New |
| Flagship Harbor Advisors, LLC | 7 | $274 | 0.00% | +7 | New |
| True Wealth Design, LLC | 7 | $275 | 0.00% | 00.0% | Unchanged |
| Godfrey Financial Associates, Inc. | 8 | $313 | 0.00% | +8 | New |
| Cedar Mountain Advisors, LLC | 10 | $392 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 12 | $470 | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 12 | $470 | 0.00% | +12 | New |
| Essential Partners LLC | 21 | $823 | 0.00% | +1+5.0% | Added |
| C M Bidwell & Associates Ltd | 21 | $823 | 0.00% | +21 | New |
| SBI Securities Co., Ltd. | 27 | $1.06K | 0.00% | −5−15.6% | Reduced |
| Farmers & Merchants Investments Inc | 33 | $1.29K | 0.00% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 34 | $1.33K | 0.00% | −31−47.7% | Reduced |
| Optima Capital LLC | 42 | $1.65K | 0.00% | +42 | New |
| Globeflex Capital L P | 47 | $1.84K | 0.00% | +47 | New |
| Cullen/Frost Bankers, Inc. | 48 | $1.88K | 0.00% | +48 | New |
| Steward Partners Investment Advisory, LLC | 50 | $1.96K | 0.00% | +50 | New |
| CX Institutional | 62 | $2.00K | 0.00% | +62 | New |
| Massmutual Trust Co FSB | 65 | $2.55K | 0.00% | −52−44.4% | Reduced |
| Bare Financial Services, Inc | 77 | $3.02K | 0.00% | +77 | New |
| Colonial Trust Co | 93 | $3.70K | 0.00% | +93 | New |
| Allworth Financial LP | 100 | $3.92K | 0.00% | +37+58.7% | Added |
| Capital Advisors, Ltd. LLC | 107 | $4.00K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 103 | $4.04K | 0.00% | +103 | New |
| Parkside Financial Bank & Trust | 104 | $4.08K | 0.00% | +52+100.0% | Added |
| Fortitude Family Office, LLC | 124 | $4.86K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 127 | $4.98K | 0.00% | +2+1.6% | Added |
| Kilter Group LLC | 128 | $5.02K | 0.00% | +54+73.0% | Added |
| Federation des caisses Desjardins du Quebec | 150 | $5.88K | 0.00% | +150 | New |
| UMA Financial Services, Inc. | 151 | $5.92K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 147 | $6.00K | 0.00% | −3−2.0% | Reduced |
| Parallel Advisors, LLC | 174 | $6.82K | 0.00% | +138+383.3% | Added |
| Hoey Investments, Inc | 175 | $6.86K | 0.00% | +175 | New |
| Sound Income Strategies, LLC | 146 | $6.95K | 0.00% | +146 | New |
| Motiv8 Investments LLC | 181 | $7.00K | 0.00% | +181 | New |
| Fifth Third Bancorp | 212 | $8.31K | 0.00% | +30+16.5% | Added |
| Harbour Investments, Inc. | 223 | $8.74K | 0.00% | +223 | New |
| WPG Advisers, LLC | 230 | $9.01K | 0.01% | −46−16.7% | Reduced |
| GWM Advisors LLC | 230 | $9.01K | 0.00% | −87−27.4% | Reduced |
| First Horizon Corp | 232 | $9.09K | 0.00% | +232 | New |
| Jones Financial Companies LLLP | 234 | $9.17K | 0.00% | +33+16.4% | Added |
| Financial Consulate, Inc | 250 | $9.79K | 0.00% | +250 | New |
| Los Angeles Capital Management LLC | 341 | $10.1K | 0.00% | +341 | New |
| Umb Bank N A | 331 | $13.0K | 0.00% | +26+8.5% | Added |
| Sterling Capital Management LLC | 351 | $13.8K | 0.00% | +223+174.2% | Added |
| Salomon & Ludwin, LLC | 374 | $16.4K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 457 | $17.9K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 493 | $19.3K | 0.00% | +3+0.6% | Added |
| Versant Capital Management, Inc | 508 | $19.9K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 540 | $21.2K | 0.00% | +540 | New |
| Larson Financial Group LLC | 591 | $23.2K | 0.00% | −158−21.1% | Reduced |
| Group One Trading, L.P. | 683 | $26.8K | 0.00% | −31,592−97.9% | Reduced |
| Private Trust Co NA | 720 | $28.2K | 0.00% | +720 | New |
| Quadrant Capital Group LLC | 781 | $30.6K | 0.00% | −14−1.8% | 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 |
| Assetmark, Inc | 855 | $33.5K | 0.00% | −143−14.3% | Reduced |
| Rockefeller Capital Management L.P. | 887 | $34.8K | 0.00% | +7+0.8% | Added |
| SRS Capital Advisors, Inc. | 901 | $35.3K | 0.00% | −554−38.1% | Reduced |
| US Bancorp | 915 | $35.9K | 0.00% | +550+150.7% | Added |
| Nisa Investment Advisors, LLC | 916 | $35.9K | 0.00% | +57+6.6% | Added |
| Transamerica Financial Advisors, Inc. | 1,010 | $39.6K | 0.00% | +1,010 | New |
| EverSource Wealth Advisors, LLC | 1,122 | $44.0K | 0.00% | −601−34.9% | Reduced |
| Quarry LP | 1,151 | $45.1K | 0.01% | −23,550−95.3% | Reduced |
| Smartleaf Asset Management LLC | 1,185 | $47.0K | 0.00% | +386+48.3% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,202 | $47.1K | 0.00% | +1,202 | New |
| Hantz Financial Services, Inc. | 1,218 | $48.0K | 0.00% | +497+68.9% | Added |
| Farther Finance Advisors, LLC | 1,239 | $48.5K | 0.00% | +65+5.5% | Added |
| Signature Equity Partners, LLC | 1,303 | $51.1K | 0.03% | +1,303 | New |
| New Age Alpha Advisors, LLC | 1,463 | $57.3K | 0.00% | +1,463 | New |
| Signaturefd, LLC | 1,479 | $57.9K | 0.00% | +19+1.3% | Added |
| USA Financial Portformulas Corp | 1,542 | $60.4K | 0.01% | +1,542 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,542 | $61.0K | 0.00% | +968+168.6% | Added |
| CWM, LLC | 1,619 | $63.0K | 0.00% | +27+1.7% | Added |
| Erste Asset Management GmbH | 1,637 | $64.1K | 0.00% | +1,637 | New |
| Global Retirement Partners, LLC | 1,927 | $75.5K | 0.00% | +1,921+32,016.7% | Added |
| CoreCap Advisors, LLC | 2,652 | $103.9K | 0.00% | −691−20.7% | Reduced |
| Tower Research Capital LLC (TRC) | 3,513 | $137.6K | 0.00% | −326−8.5% | Reduced |
| Kestra Advisory Services, LLC | 4,184 | $163.9K | 0.00% | +4,184 | New |
| GAMMA Investing LLC | 4,395 | $172.2K | 0.01% | +213+5.1% | Added |
| Ameritas Investment Partners, Inc. | 4,414 | $172.9K | 0.01% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 4,487 | $175.8K | 0.01% | +4,487 | New |
| Canada Pension Plan Investment Board | 4,700 | $184.1K | 0.00% | +4,700 | New |
| Versor Investments LP | 5,109 | $200.2K | 0.03% | +5,109 | New |
| PVG Asset Management Corp | 5,244 | $205.5K | 0.44% | +5,244 | New |
| RSM US Wealth Management LLC | 5,208 | $206.7K | 0.00% | +5,208 | New |
| AE Wealth Management LLC | 5,361 | $210.0K | 0.00% | +5,361 | New |
| The PNC Financial Services Group, Inc. | 5,374 | $210.6K | 0.00% | +847+18.7% | Added |
| EP Wealth Advisors, LLC | 5,786 | $226.7K | 0.00% | +5,786 | New |
| Kraft, Davis & Associates, LLC | 5,000 | $231.7K | 0.05% | +5,000 | New |
| Everhart Financial Group, Inc. | 5,927 | $232.2K | 0.02% | +5,927 | New |
| Mutual of America Capital Management LLC | 6,081 | $238.3K | 0.00% | +6,081 | New |
| Systematic Alpha Investments, LLC | 6,200 | $242.9K | 0.01% | +6,200 | New |
| Anb Bank | 6,203 | $243.0K | 0.10% | +6,203 | New |
| Journey Strategic Wealth LLC | 6,275 | $245.9K | 0.01% | −1,275−16.9% | Reduced |
| Savant Capital, LLC | 6,279 | $246.0K | 0.00% | +6,279 | New |
| Vise Technologies, Inc. | 6,616 | $259.2K | 0.01% | −455−6.4% | Reduced |
| Marshall Wace, LLP | 6,912 | $270.8K | 0.00% | +6,912 | New |