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 |
|---|---|---|---|---|---|
| Teacher Retirement System of Texas | 39,630 | $714.1K | 0.00% | +6,216+18.6% | Added |
| ExodusPoint Capital Management, LP | 39,410 | $710.0K | 0.01% | +39,410 | New |
| Thrivent Financial for Lutherans | 38,420 | $692.0K | 0.00% | +249+0.7% | Added |
| Fox Run Management, L.L.C. | 35,546 | $640.5K | 0.11% | +35,546 | New |
| Orion Resource Partners LP | 34,147 | $615.3K | 0.11% | +22,942+204.7% | Added |
| HRT Financial LP | 31,497 | $567.0K | 0.00% | −15,124−32.4% | Reduced |
| MetLife Investment Management | 31,298 | $564.0K | 0.00% | −280−0.9% | Reduced |
| State of Alaska, Department of Revenue | 31,124 | $560.0K | 0.01% | +2,329+8.1% | Added |
| Perennial Advisors, LLC | 29,368 | $529.2K | 0.10% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 27,780 | $501.0K | 0.04% | −69,116−71.3% | Reduced |
| Versor Investments LP | 27,666 | $498.5K | 0.09% | −2,234−7.5% | Reduced |
| Virginia Retirement Systems Et Al | 26,400 | $475.7K | 0.00% | −300−1.1% | Reduced |
| Two Sigma Securities, LLC | 25,943 | $467.5K | 0.06% | +25,943 | New |
| Three Seasons Wealth, LLC | 25,036 | $451.1K | 0.05% | +25,036 | New |
| Louisiana State Employees Retirement System | 24,400 | $439.7K | 0.01% | −100−0.4% | Reduced |
| Cambria Investment Management, L.P. | 23,875 | $430.2K | 0.03% | −663−2.7% | Reduced |
| Polymer Capital Management (US) LLC | 23,500 | $423.5K | 0.07% | −2,197−8.5% | Reduced |
| State Board of Administration of Florida Retirement System | 23,219 | $418.4K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 22,906 | $412.9K | 0.00% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 22,715 | $409.3K | 0.01% | −3,133−12.1% | Reduced |
| Federated Hermes, Inc. | 22,454 | $404.6K | 0.00% | −42,944−65.7% | Reduced |
| Numerai GP LLC | 21,525 | $387.9K | 0.06% | +21,525 | New |
| Park Avenue Securities LLC | 21,125 | $381.0K | 0.00% | +235+1.1% | Added |
| SEI Investments Co | 20,926 | $377.1K | 0.00% | −2,664−11.3% | Reduced |
| Hodges Capital Management Inc. | 20,000 | $360.4K | 0.03% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 19,859 | $357.9K | 0.02% | −33,907−63.1% | Reduced |
| Manufacturers Life Insurance Company, The | 19,488 | $351.2K | 0.00% | +281+1.5% | Added |
| Yousif Capital Management, LLC | 19,387 | $349.4K | 0.00% | −53−0.3% | Reduced |
| Natixis Advisors, L.P. | 19,060 | $343.0K | 0.00% | +1,574+9.0% | Added |
| 111 Capital | 18,909 | $340.7K | 0.06% | +18,909 | New |
| Comerica Bank | 18,848 | $339.6K | 0.00% | −98−0.5% | Reduced |
| Sanctuary Advisors, LLC | 18,465 | $332.7K | 0.00% | −39,493−68.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 17,936 | $323.0K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 17,642 | $317.9K | 0.00% | +354+2.0% | Added |
| Advisor Group Holdings, Inc. | 16,772 | $302.2K | 0.00% | +1,066+6.8% | Added |
| Gotham Asset Management, LLC | 16,647 | $300.0K | 0.00% | +16,647 | New |
| Arizona State Retirement System | 16,151 | $291.0K | 0.00% | +213+1.3% | Added |
| New York State Common Retirement Fund | 15,344 | $276.5K | 0.00% | −344,523−95.7% | Reduced |
| Maryland State Retirement & Pension System | 15,181 | $273.6K | 0.01% | 00.0% | Unchanged |
| Headlands Technologies LLC | 14,996 | $270.2K | 0.03% | +7,070+89.2% | Added |
| Amalgamated Bank | 14,828 | $267.0K | 0.00% | 00.0% | Unchanged |
| Callan Family Office, LLC | 14,706 | $265.0K | 0.01% | +14,706 | New |
| Cambridge Investment Research Advisors, Inc. | 14,556 | $262.0K | 0.00% | −27,066−65.0% | Reduced |
| Voya Investment Management LLC | 14,370 | $258.9K | 0.00% | +140+1.0% | Added |
| Neuberger Berman Group LLC | 13,977 | $251.9K | 0.00% | +3,142+29.0% | Added |
| ISAM Funds (UK) Ltd | 13,754 | $247.8K | 0.05% | +13,754 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,415 | $241.7K | 0.00% | +979+7.9% | Added |
| Standard Life Aberdeen plc | 13,044 | $235.1K | 0.00% | +13,044 | New |
| State of Tennessee, Treasury Department | 12,620 | $227.4K | 0.00% | −10,200−44.7% | Reduced |
| Lido Advisors, LLC | 12,574 | $226.6K | 0.00% | +12,574 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,571 | $226.5K | 0.00% | −9,870−44.0% | Reduced |
| Tower Research Capital LLC (TRC) | 12,094 | $217.9K | 0.01% | +10,957+963.7% | Added |
| Oregon Public Employees Retirement Fund | 12,002 | $216.3K | 0.00% | +100+0.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,945 | $215.2K | 0.00% | 00.0% | Unchanged |
| Aigen Investment Management, LP | 11,792 | $212.5K | 0.03% | +11,792 | New |
| HighTower Advisors, LLC | 11,759 | $211.9K | 0.00% | +11,759 | New |
| ProShare Advisors LLC | 11,666 | $210.2K | 0.00% | −750−6.0% | Reduced |
| XTX Topco Ltd | 11,466 | $206.6K | 0.01% | +11,466 | New |
| JustInvest LLC | 11,257 | $202.9K | 0.00% | +11,257 | New |
| Atria Wealth Solutions, Inc. | 11,249 | $202.7K | 0.00% | +11,249 | New |
| Quest Partners LLC | 10,950 | $197.3K | 0.02% | +3,980+57.1% | Added |
| KLP Kapitalforvaltning AS | 10,900 | $196.4K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 10,569 | $190.5K | 0.00% | −1,256−10.6% | Reduced |
| Covestor Ltd | 10,283 | $185.0K | 0.11% | +6,895+203.5% | Added |
| SG Americas Securities, LLC | 9,640 | $174.0K | 0.00% | −11,515−54.4% | Reduced |
| Bayforest Capital Ltd | 6,883 | $124.0K | 0.05% | +6,883 | New |
| FMR LLC | 5,804 | $104.6K | 0.00% | +58+1.0% | Added |
| Ameritas Investment Partners, Inc. | 5,191 | $93.5K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 4,895 | $88.2K | 0.00% | −618−11.2% | Reduced |
| The PNC Financial Services Group, Inc. | 4,414 | $79.5K | 0.00% | +506+12.9% | Added |
| Simplex Trading, LLC | 4,290 | $77.0K | 0.00% | +4,290 | New |
| GAMMA Investing LLC | 4,232 | $76.3K | 0.00% | −1,186−21.9% | Reduced |
| Clear Street Markets LLC | 3,242 | $58.4K | 0.02% | +3,242 | New |
| Skopos Labs, Inc. | 2,879 | $51.9K | 0.01% | +2,622+1,020.2% | Added |
| Walleye Trading LLC | 2,700 | $48.7K | 0.00% | +2,700 | New |
| EverSource Wealth Advisors, LLC | 1,822 | $32.8K | 0.00% | +1,306+253.1% | Added |
| Signaturefd, LLC | 1,460 | $26.3K | 0.00% | +34+2.4% | Added |
| Farther Finance Advisors, LLC | 1,364 | $24.6K | 0.00% | +1,266+1,291.8% | Added |
| CWM, LLC | 1,260 | $23.0K | 0.00% | +257+25.6% | Added |
| Jones Financial Companies LLLP | 1,182 | $21.3K | 0.00% | +1,133+2,312.2% | Added |
| Aster Capital Management (DIFC) Ltd | 1,182 | $21.3K | 0.00% | −3,994−77.2% | Reduced |
| Assetmark, Inc | 1,014 | $18.3K | 0.00% | +382+60.4% | Added |
| Huntington National Bank | 800 | $14.4K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 784 | $14.1K | 0.01% | −3,236−80.5% | Reduced |
| Smartleaf Asset Management LLC | 698 | $12.6K | 0.00% | −349−33.3% | Reduced |
| Nisa Investment Advisors, LLC | 682 | $12.3K | 0.00% | −2,648−79.5% | Reduced |
| MAI Capital Management | 564 | $10.2K | 0.00% | +164+41.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 574 | $10.0K | 0.00% | +574 | New |
| Larson Financial Group LLC | 523 | $9.42K | 0.00% | +457+692.4% | Added |
| Versant Capital Management, Inc | 508 | $9.15K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 414 | $7.46K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 407 | $7.00K | 0.00% | −20−4.7% | Reduced |
| Hantz Financial Services, Inc. | 365 | $7.00K | 0.00% | +365 | New |
| Twin Peaks Wealth Advisors, LLC | 245 | $5.75K | 0.00% | +245 | New |
| Quarry LP | 252 | $4.54K | 0.00% | +252 | New |
| Optiver Holding B.V. | 212 | $3.82K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 212 | $3.82K | 0.00% | +212 | New |
| Umb Bank N A | 208 | $3.75K | 0.00% | +28+15.6% | Added |
| Principal Securities, Inc. | 200 | $3.60K | 0.00% | +200 | New |
| Fifth Third Bancorp | 197 | $3.55K | 0.00% | −152−43.6% | Reduced |