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, Q1 2025
Institutional positions in Century Aluminum Co as of Mar 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
- 218
- +1 vs. Q4 2024
- Shares held
- 92.4M
- +474.2K (+0.5%) vs. Q4 2024
- Total value
- $1.72B
- +$40.1M (+2.4%) vs. Q4 2024
- New holders
- 50
- 68 more added
- Sold out
- 49
- 80 more reduced
5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parkside Financial Bank & Trust | 12 | $223 | 0.00% | −4−25.0% | Reduced |
| Bryn Mawr Trust Co | 14 | $260 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 14 | $260 | 0.00% | 00.0% | Unchanged |
| Stephens Consulting, LLC | 20 | $372 | 0.00% | +20 | New |
| Farmers & Merchants Investments Inc | 33 | $612 | 0.00% | 00.0% | Unchanged |
| Riggs Asset Managment Co. Inc. | 38 | $706 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 49 | $909 | 0.00% | +3+6.5% | Added |
| Jones Financial Companies LLLP | 49 | $909 | 0.00% | +49 | New |
| Sterling Capital Management LLC | 54 | $1.00K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 56 | $1.04K | 0.00% | +56 | New |
| Massmutual Trust Co FSB | 59 | $1.09K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 60 | $1.11K | 0.00% | −1−1.6% | Reduced |
| Larson Financial Group LLC | 66 | $1.23K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 73 | $1.35K | 0.00% | +8+12.3% | Added |
| Rise Advisors, LLC | 76 | $1.41K | 0.00% | +76 | New |
| SRS Capital Advisors, Inc. | 85 | $1.58K | 0.00% | −368−81.2% | Reduced |
| Farther Finance Advisors, LLC | 98 | $1.80K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 107 | $2.00K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 120 | $2.23K | 0.00% | +25+26.3% | Added |
| GWM Advisors LLC | 121 | $2.25K | 0.00% | +112+1,244.4% | Added |
| Umb Bank N A | 180 | $3.34K | 0.00% | +54+42.9% | Added |
| Optiver Holding B.V. | 212 | $3.94K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 257 | $4.77K | 0.00% | −36−12.3% | Reduced |
| Hexagon Capital Partners LLC | 305 | $5.66K | 0.00% | −110−26.5% | Reduced |
| Fifth Third Bancorp | 349 | $6.48K | 0.00% | +235+206.1% | Added |
| Bessemer Group Inc | 368 | $7.00K | 0.00% | +290+371.8% | Added |
| MAI Capital Management | 400 | $7.42K | 0.00% | +100+33.3% | Added |
| US Bancorp | 414 | $7.68K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 427 | $8.00K | 0.00% | +427 | New |
| Versant Capital Management, Inc | 508 | $9.43K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 516 | $9.58K | 0.00% | +66+14.7% | Added |
| Assetmark, Inc | 632 | $11.7K | 0.00% | +58+10.1% | Added |
| Quadrant Capital Group LLC | 639 | $11.9K | 0.00% | +13+2.1% | Added |
| Huntington National Bank | 800 | $14.8K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,003 | $19.0K | 0.00% | +448+80.7% | Added |
| Pinpoint Asset Management Ltd | 1,026 | $19.0K | 0.00% | +1,026 | New |
| Smartleaf Asset Management LLC | 1,047 | $19.4K | 0.00% | −117−10.1% | Reduced |
| Tower Research Capital LLC (TRC) | 1,137 | $21.1K | 0.00% | −1,132−49.9% | Reduced |
| Signaturefd, LLC | 1,426 | $26.5K | 0.00% | +135+10.5% | Added |
| Coldstream Capital Management Inc | 2,845 | $52.8K | 0.00% | +2,845 | New |
| Nisa Investment Advisors, LLC | 3,330 | $61.8K | 0.00% | +74+2.3% | Added |
| Covestor Ltd | 3,388 | $63.0K | 0.04% | −16,147−82.7% | Reduced |
| The PNC Financial Services Group, Inc. | 3,908 | $72.5K | 0.00% | −52−1.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 4,020 | $74.6K | 0.06% | +2,909+261.8% | Added |
| Ameritas Investment Partners, Inc. | 5,191 | $96.3K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 5,176 | $98.1K | 0.02% | +5,176 | New |
| GAMMA Investing LLC | 5,418 | $100.6K | 0.01% | +628+13.1% | Added |
| CoreCap Advisors, LLC | 5,513 | $102.3K | 0.00% | +5,489+22,870.8% | Added |
| FMR LLC | 5,746 | $106.7K | 0.00% | +1,441+33.5% | Added |
| Quest Partners LLC | 6,970 | $129.4K | 0.01% | +4,459+177.6% | Added |
| Headlands Technologies LLC | 7,926 | $147.1K | 0.02% | −13,275−62.6% | Reduced |
| Cerity Partners LLC | 10,451 | $194.0K | 0.00% | −4,557−30.4% | Reduced |
| Boothbay Fund Management, LLC | 10,760 | $199.7K | 0.01% | −7,071−39.7% | Reduced |
| Neuberger Berman Group LLC | 10,835 | $201.1K | 0.00% | +10,835 | New |
| KLP Kapitalforvaltning AS | 10,900 | $202.3K | 0.00% | 00.0% | Unchanged |
| Orion Resource Partners LP | 11,205 | $208.0K | 0.04% | −5,887−34.4% | Reduced |
| Royal Bank of Canada | 11,621 | $215.0K | 0.00% | +4,666+67.1% | Added |
| CIBC World Markets Corp | 11,714 | $217.4K | 0.00% | +11,714 | New |
| LPL Financial LLC | 11,825 | $219.5K | 0.00% | +11,825 | New |
| Oregon Public Employees Retirement Fund | 11,902 | $220.9K | 0.00% | −300−2.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,945 | $221.7K | 0.00% | +1,328+12.5% | Added |
| Polymer Capital Management (HK) LTD | 12,200 | $226.4K | 0.04% | +12,200 | New |
| ProShare Advisors LLC | 12,416 | $230.4K | 0.00% | −3,477−21.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 12,436 | $230.8K | 0.00% | +1,342+12.1% | Added |
| Quadrature Capital Ltd | 13,055 | $242.3K | 0.01% | +13,055 | New |
| Voya Investment Management LLC | 14,230 | $264.1K | 0.00% | −1,716−10.8% | Reduced |
| Amalgamated Bank | 14,828 | $275.0K | 0.00% | −407−2.7% | Reduced |
| Levin Capital Strategies, L.P. | 15,000 | $278.4K | 0.03% | +15,000 | New |
| Maryland State Retirement & Pension System | 15,181 | $281.8K | 0.01% | −2,365−13.5% | Reduced |
| Advisor Group Holdings, Inc. | 15,706 | $291.5K | 0.00% | +4,887+45.2% | Added |
| Arizona State Retirement System | 15,938 | $295.8K | 0.00% | −202−1.3% | Reduced |
| Integrated Wealth Concepts LLC | 17,288 | $320.9K | 0.00% | −246−1.4% | Reduced |
| Natixis Advisors, L.P. | 17,486 | $325.0K | 0.00% | +310+1.8% | Added |
| Teachers Retirement System of the State of Kentucky | 17,936 | $333.0K | 0.00% | 00.0% | Unchanged |
| IHT Wealth Management, LLC | 18,333 | $340.3K | 0.01% | +18,333 | New |
| Brevan Howard Capital Management LP | 18,601 | $345.2K | 0.01% | +18,601 | New |
| Comerica Bank | 18,946 | $351.6K | 0.00% | −428−2.2% | Reduced |
| Manufacturers Life Insurance Company, The | 19,207 | $356.5K | 0.00% | −7,031−26.8% | Reduced |
| Yousif Capital Management, LLC | 19,440 | $360.8K | 0.00% | −407−2.1% | Reduced |
| Hodges Capital Management Inc. | 20,000 | $371.0K | 0.04% | +20,000 | New |
| Hudson Bay Capital Management LP | 20,000 | $371.2K | 0.00% | +20,000 | New |
| Park Avenue Securities LLC | 20,890 | $388.0K | 0.00% | +2,381+12.9% | Added |
| SG Americas Securities, LLC | 21,155 | $393.0K | 0.00% | −4,087−16.2% | Reduced |
| Aristeia Capital LLC | 21,979 | $407.9K | 0.01% | +21,979 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,441 | $416.5K | 0.00% | +5,182+30.0% | Added |
| Aquatic Capital Management LLC | 22,701 | $421.3K | 0.01% | −37,117−62.0% | Reduced |
| State of Tennessee, Treasury Department | 22,820 | $423.5K | 0.00% | +3,700+19.4% | Added |
| Janus Henderson Group PLC | 22,906 | $424.4K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 23,219 | $430.9K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 23,590 | $437.8K | 0.00% | +3,173+15.5% | Added |
| Louisiana State Employees Retirement System | 24,500 | $454.7K | 0.01% | −600−2.4% | Reduced |
| Cambria Investment Management, L.P. | 24,538 | $455.4K | 0.03% | −2,183−8.2% | Reduced |
| HSBC Holdings PLC | 25,358 | $462.4K | 0.00% | −4,283−14.4% | Reduced |
| Polymer Capital Management (US) LLC | 25,697 | $476.9K | 0.14% | +2,197+9.3% | Added |
| Illinois Municipal Retirement Fund | 25,848 | $479.7K | 0.01% | −3,547−12.1% | Reduced |
| Virginia Retirement Systems Et Al | 26,700 | $495.6K | 0.00% | +26,700 | New |
| Corebridge Financial, Inc. | 27,541 | $511.2K | 0.00% | −537−1.9% | Reduced |
| Engineers Gate Manager LP | 28,376 | $526.7K | 0.01% | +6,986+32.7% | Added |
| D. E. Shaw & Co., Inc. | 28,379 | $526.7K | 0.00% | −107,047−79.0% | Reduced |
| State of Alaska, Department of Revenue | 28,795 | $534.0K | 0.01% | −681−2.3% | Reduced |