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 2025
Institutional positions in Century Aluminum Co as of Jun 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
- 222
- +7 vs. Q1 2025
- Shares held
- 95.5M
- +3.41M (+3.7%) vs. Q1 2025
- Total value
- $1.72B
- +$11.7M (+0.7%) vs. Q1 2025
- New holders
- 44
- 88 more added
- Sold out
- 37
- 72 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Global Retirement Partners, LLC | 6 | $108 | 0.00% | +6 | New |
| True Wealth Design, LLC | 7 | $127 | 0.00% | +7 | New |
| Bryn Mawr Trust Co | 14 | $252 | 0.00% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 19 | $343 | 0.00% | +19 | New |
| Atlantic Trust, LLC | 30 | $541 | 0.00% | +30 | New |
| Farmers & Merchants Investments Inc | 33 | $595 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 36 | $649 | 0.00% | −13−26.5% | Reduced |
| NewSquare Capital LLC | 36 | $649 | 0.00% | +36 | New |
| Riggs Asset Managment Co. Inc. | 38 | $685 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 52 | $938 | 0.00% | +40+333.3% | Added |
| Bessemer Group Inc | 78 | $1.00K | 0.00% | −290−78.8% | Reduced |
| SRS Capital Advisors, Inc. | 57 | $1.03K | 0.00% | −28−32.9% | Reduced |
| Clearstead Advisors, LLC | 57 | $1.03K | 0.00% | +57 | New |
| SBI Securities Co., Ltd. | 70 | $1.26K | 0.00% | +10+16.7% | Added |
| IFP Advisors, Inc | 0 | $1.66K | 0.00% | 0 | New |
| Capital Advisors, Ltd. LLC | 107 | $2.00K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 114 | $2.05K | 0.00% | −7−5.8% | Reduced |
| Massmutual Trust Co FSB | 117 | $2.11K | 0.00% | +58+98.3% | Added |
| Sterling Capital Management LLC | 123 | $2.22K | 0.00% | +69+127.8% | Added |
| Fortitude Family Office, LLC | 124 | $2.23K | 0.00% | +110+785.7% | Added |
| Rothschild Investment LLC | 150 | $2.70K | 0.00% | +30+25.0% | Added |
| UMA Financial Services, Inc. | 151 | $2.72K | 0.00% | +151 | New |
| Fifth Third Bancorp | 197 | $3.55K | 0.00% | −152−43.6% | Reduced |
| Principal Securities, Inc. | 200 | $3.60K | 0.00% | +200 | New |
| Umb Bank N A | 208 | $3.75K | 0.00% | +28+15.6% | Added |
| Optiver Holding B.V. | 212 | $3.82K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 212 | $3.82K | 0.00% | +212 | New |
| Quarry LP | 252 | $4.54K | 0.00% | +252 | New |
| Twin Peaks Wealth Advisors, LLC | 245 | $5.75K | 0.00% | +245 | New |
| Harbor Capital Advisors, Inc. | 407 | $7.00K | 0.00% | −20−4.7% | Reduced |
| Hantz Financial Services, Inc. | 365 | $7.00K | 0.00% | +365 | New |
| US Bancorp | 414 | $7.46K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 508 | $9.15K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 523 | $9.42K | 0.00% | +457+692.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 574 | $10.0K | 0.00% | +574 | New |
| MAI Capital Management | 564 | $10.2K | 0.00% | +164+41.0% | Added |
| Nisa Investment Advisors, LLC | 682 | $12.3K | 0.00% | −2,648−79.5% | Reduced |
| Smartleaf Asset Management LLC | 698 | $12.6K | 0.00% | −349−33.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 784 | $14.1K | 0.01% | −3,236−80.5% | Reduced |
| Huntington National Bank | 800 | $14.4K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 1,014 | $18.3K | 0.00% | +382+60.4% | Added |
| Aster Capital Management (DIFC) Ltd | 1,182 | $21.3K | 0.00% | −3,994−77.2% | Reduced |
| Jones Financial Companies LLLP | 1,182 | $21.3K | 0.00% | +1,133+2,312.2% | Added |
| CWM, LLC | 1,260 | $23.0K | 0.00% | +257+25.6% | Added |
| Farther Finance Advisors, LLC | 1,364 | $24.6K | 0.00% | +1,266+1,291.8% | Added |
| Signaturefd, LLC | 1,460 | $26.3K | 0.00% | +34+2.4% | Added |
| EverSource Wealth Advisors, LLC | 1,822 | $32.8K | 0.00% | +1,306+253.1% | Added |
| Walleye Trading LLC | 2,700 | $48.7K | 0.00% | +2,700 | New |
| Skopos Labs, Inc. | 2,879 | $51.9K | 0.01% | +2,622+1,020.2% | Added |
| Clear Street Markets LLC | 3,242 | $58.4K | 0.02% | +3,242 | New |
| GAMMA Investing LLC | 4,232 | $76.3K | 0.00% | −1,186−21.9% | Reduced |
| Simplex Trading, LLC | 4,290 | $77.0K | 0.00% | +4,290 | New |
| The PNC Financial Services Group, Inc. | 4,414 | $79.5K | 0.00% | +506+12.9% | Added |
| CoreCap Advisors, LLC | 4,895 | $88.2K | 0.00% | −618−11.2% | Reduced |
| Ameritas Investment Partners, Inc. | 5,191 | $93.5K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 5,804 | $104.6K | 0.00% | +58+1.0% | Added |
| Bayforest Capital Ltd | 6,883 | $124.0K | 0.05% | +6,883 | New |
| SG Americas Securities, LLC | 9,640 | $174.0K | 0.00% | −11,515−54.4% | Reduced |
| Covestor Ltd | 10,283 | $185.0K | 0.11% | +6,895+203.5% | Added |
| LPL Financial LLC | 10,569 | $190.5K | 0.00% | −1,256−10.6% | Reduced |
| KLP Kapitalforvaltning AS | 10,900 | $196.4K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 10,950 | $197.3K | 0.02% | +3,980+57.1% | Added |
| Atria Wealth Solutions, Inc. | 11,249 | $202.7K | 0.00% | +11,249 | New |
| JustInvest LLC | 11,257 | $202.9K | 0.00% | +11,257 | New |
| XTX Topco Ltd | 11,466 | $206.6K | 0.01% | +11,466 | New |
| ProShare Advisors LLC | 11,666 | $210.2K | 0.00% | −750−6.0% | Reduced |
| HighTower Advisors, LLC | 11,759 | $211.9K | 0.00% | +11,759 | New |
| Aigen Investment Management, LP | 11,792 | $212.5K | 0.03% | +11,792 | New |
| Police & Firemen's Retirement System of New Jersey | 11,945 | $215.2K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 12,002 | $216.3K | 0.00% | +100+0.8% | Added |
| Tower Research Capital LLC (TRC) | 12,094 | $217.9K | 0.01% | +10,957+963.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,571 | $226.5K | 0.00% | −9,870−44.0% | Reduced |
| Lido Advisors, LLC | 12,574 | $226.6K | 0.00% | +12,574 | New |
| State of Tennessee, Treasury Department | 12,620 | $227.4K | 0.00% | −10,200−44.7% | Reduced |
| Standard Life Aberdeen plc | 13,044 | $235.1K | 0.00% | +13,044 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,415 | $241.7K | 0.00% | +979+7.9% | Added |
| ISAM Funds (UK) Ltd | 13,754 | $247.8K | 0.05% | +13,754 | New |
| Neuberger Berman Group LLC | 13,977 | $251.9K | 0.00% | +3,142+29.0% | Added |
| Voya Investment Management LLC | 14,370 | $258.9K | 0.00% | +140+1.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 14,556 | $262.0K | 0.00% | −27,066−65.0% | Reduced |
| Callan Family Office, LLC | 14,706 | $265.0K | 0.01% | +14,706 | New |
| Amalgamated Bank | 14,828 | $267.0K | 0.00% | 00.0% | Unchanged |
| Headlands Technologies LLC | 14,996 | $270.2K | 0.03% | +7,070+89.2% | Added |
| Maryland State Retirement & Pension System | 15,181 | $273.6K | 0.01% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 15,344 | $276.5K | 0.00% | −344,523−95.7% | Reduced |
| Arizona State Retirement System | 16,151 | $291.0K | 0.00% | +213+1.3% | Added |
| Gotham Asset Management, LLC | 16,647 | $300.0K | 0.00% | +16,647 | New |
| Advisor Group Holdings, Inc. | 16,772 | $302.2K | 0.00% | +1,066+6.8% | Added |
| Integrated Wealth Concepts LLC | 17,642 | $317.9K | 0.00% | +354+2.0% | Added |
| Teachers Retirement System of the State of Kentucky | 17,936 | $323.0K | 0.00% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 18,465 | $332.7K | 0.00% | −39,493−68.1% | Reduced |
| Comerica Bank | 18,848 | $339.6K | 0.00% | −98−0.5% | Reduced |
| 111 Capital | 18,909 | $340.7K | 0.06% | +18,909 | New |
| Natixis Advisors, L.P. | 19,060 | $343.0K | 0.00% | +1,574+9.0% | Added |
| Yousif Capital Management, LLC | 19,387 | $349.4K | 0.00% | −53−0.3% | Reduced |
| Manufacturers Life Insurance Company, The | 19,488 | $351.2K | 0.00% | +281+1.5% | Added |
| Campbell & CO Investment Adviser LLC | 19,859 | $357.9K | 0.02% | −33,907−63.1% | Reduced |
| Hodges Capital Management Inc. | 20,000 | $360.4K | 0.03% | 00.0% | Unchanged |
| SEI Investments Co | 20,926 | $377.1K | 0.00% | −2,664−11.3% | Reduced |
| Park Avenue Securities LLC | 21,125 | $381.0K | 0.00% | +235+1.1% | Added |