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, Q3 2023
Institutional positions in Century Aluminum Co as of Sep 30, 2023. 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
- 162
- +3 vs. Q2 2023
- Shares held
- 52.6M
- +2.58M (+5.1%) vs. Q2 2023
- Total value
- $378.2M
- −$58.2M (−13.3%) vs. Q2 2023
- New holders
- 23
- 58 more added
- Sold out
- 20
- 61 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 10,284,686 | $73.9M | 0.00% | +553,037+5.7% | Added |
| State Street Corp | 6,281,440 | $45.2M | 0.00% | +1,206,378+23.8% | Added |
| Vanguard Group Inc | 5,852,118 | $42.1M | 0.00% | −40,052−0.7% | Reduced |
| Dimensional Fund Advisors LP | 3,201,406 | $23.0M | 0.01% | −424,510−11.7% | Reduced |
| Invesco Ltd. | 2,777,017 | $20.0M | 0.01% | −25,834−0.9% | Reduced |
| Fisher Asset Management, LLC | 2,337,111 | $16.8M | 0.01% | −74,488−3.1% | Reduced |
| Mountaineer Partners Management, LLC | 2,035,868 | $14.6M | 9.38% | +38,525+1.9% | Added |
| Citadel Advisors LLC | 1,808,520 | $13.0M | 0.01% | +119,072+7.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,395,589 | $10.0M | 0.02% | +118,234+9.3% | Added |
| Geode Capital Management, LLC | 1,090,475 | $7.84M | 0.00% | +41,535+4.0% | Added |
| Morgan Stanley | 1,013,901 | $7.29M | 0.00% | +49,713+5.2% | Added |
| Bank of America Corp | 859,878 | $6.18M | 0.00% | +252,822+41.6% | Added |
| Charles Schwab Investment Management Inc | 801,548 | $5.76M | 0.00% | +25,480+3.3% | Added |
| First Eagle Investment Management, LLC | 791,514 | $5.69M | 0.01% | +380,324+92.5% | Added |
| Renaissance Technologies LLC | 614,499 | $4.42M | 0.01% | −145,100−19.1% | Reduced |
| Bridgeway Capital Management, LLC | 591,300 | $4.25M | 0.10% | +22,120+3.9% | Added |
| Goldman Sachs Group Inc | 533,956 | $3.84M | 0.00% | +108,180+25.4% | Added |
| Northern Trust Corp | 533,057 | $3.83M | 0.00% | −7,724−1.4% | Reduced |
| Voloridge Investment Management, LLC | 516,842 | $3.72M | 0.02% | −124,694−19.4% | Reduced |
| Millennium Management LLC | 493,923 | $3.55M | 0.00% | +467,644+1,779.5% | Added |
| Bank of New York Mellon Corp | 448,796 | $3.23M | 0.00% | −35,018−7.2% | Reduced |
| Norges Bank | 385,148 | $2.77M | 0.00% | −45,045−10.5% | Reduced |
| Assenagon Asset Management S.A. | 350,739 | $2.52M | 0.01% | +252,095+255.6% | Added |
| D. E. Shaw & Co., Inc. | 336,786 | $2.42M | 0.00% | +68,448+25.5% | Added |
| Gsa Capital Partners LLP | 277,120 | $1.99M | 0.17% | +277,120 | New |
| Principal Financial Group Inc | 276,601 | $1.99M | 0.00% | −17,740−6.0% | Reduced |
| Empowered Funds, LLC | 269,000 | $1.93M | 0.06% | +22,120+9.0% | Added |
| Balyasny Asset Management LLC | 252,503 | $1.82M | 0.01% | +142,532+129.6% | Added |
| Tudor Investment Corp Et Al | 225,223 | $1.62M | 0.02% | +122,727+119.7% | Added |
| Credit Suisse AG | 224,202 | $1.61M | 0.00% | +24,418+12.2% | Added |
| Congress Asset Management Co | 213,232 | $1.53M | 0.01% | +291+0.1% | Added |
| Dark Forest Capital Management LP | 201,567 | $1.45M | 0.12% | +122,915+156.3% | Added |
| Two Sigma Investments, LP | 185,268 | $1.33M | 0.00% | +42,192+29.5% | Added |
| Occudo Quantitative Strategies LP | 180,538 | $1.30M | 0.17% | +88,565+96.3% | Added |
| Victory Capital Management Inc | 173,863 | $1.25M | 0.00% | +13,442+8.4% | Added |
| Wellington Management Group LLP | 164,510 | $1.18M | 0.00% | +149+0.1% | Added |
| Ameriprise Financial Inc | 160,411 | $1.15M | 0.00% | −16,852−9.5% | Reduced |
| Jump Financial, LLC | 159,395 | $1.15M | 0.04% | +159,395 | New |
| Rhumbline Advisers | 156,597 | $1.13M | 0.00% | +2,502+1.6% | Added |
| Bank of Montreal | 146,649 | $1.10M | 0.00% | +51,068+53.4% | Added |
| Marshall Wace, LLP | 150,759 | $1.08M | 0.00% | +150,759 | New |
| Legal & General Group Plc | 139,834 | $1.01M | 0.00% | −4,798−3.3% | Reduced |
| Squarepoint Ops LLC | 133,541 | $960.2K | 0.00% | +133,541 | New |
| Nuveen Asset Management, LLC | 133,135 | $957.2K | 0.00% | −210,480−61.3% | Reduced |
| BNP Paribas Arbitrage, SA | 127,329 | $915.5K | 0.00% | −25,259−16.6% | Reduced |
| Swiss National Bank | 120,550 | $866.8K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 120,212 | $864.3K | 0.00% | −1,663−1.4% | Reduced |
| PDT Partners, LLC | 120,006 | $862.8K | 0.11% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 107,583 | $773.5K | 0.00% | −30,000−21.8% | Reduced |
| New York State Teachers Retirement System | 98,505 | $708.0K | 0.00% | −1,000−1.0% | Reduced |
| ExodusPoint Capital Management, LP | 95,618 | $687.0K | 0.01% | +95,618 | New |
| Schonfeld Strategic Advisors LLC | 86,628 | $622.9K | 0.01% | +21,716+33.5% | Added |
| State of Wisconsin Investment Board | 82,354 | $592.1K | 0.00% | +774+0.9% | Added |
| Jade Capital Advisors, LLC | 75,000 | $539.3K | 0.53% | +50,000+200.0% | Added |
| UBS Asset Management Americas Inc | 74,728 | $537.3K | 0.00% | 00.0% | Unchanged |
| Hunter Associates Investment Management LLC | 71,500 | $514.0K | 0.10% | 00.0% | Unchanged |
| Aldebaran Capital, LLC | 67,880 | $488.1K | 0.50% | −195−0.3% | Reduced |
| Jane Street Group, LLC | 67,064 | $482.2K | 0.00% | +13,360+24.9% | Added |
| Alliancebernstein L.P. | 65,720 | $472.5K | 0.00% | +11,650+21.5% | Added |
| JPMorgan Chase & Co | 64,857 | $466.3K | 0.00% | −373,813−85.2% | Reduced |
| Public Sector Pension Investment Board | 63,944 | $459.8K | 0.00% | −27,827−30.3% | Reduced |
| Cubist Systematic Strategies, LLC | 62,303 | $448.0K | 0.01% | +62,303 | New |
| Symmetry Investments LP | 61,900 | $445.1K | 0.13% | +4,800+8.4% | Added |
| Susquehanna International Group, LLP | 61,495 | $442.1K | 0.00% | −180−0.3% | Reduced |
| Prudential Financial Inc | 60,823 | $437.3K | 0.00% | −3,212−5.0% | Reduced |
| California State Teachers Retirement System | 60,515 | $435.1K | 0.00% | −5,722−8.6% | Reduced |
| PEAK6 Investments LLC | 55,426 | $398.5K | 0.02% | +19,299+53.4% | Added |
| Barclays PLC | 49,265 | $354.2K | 0.00% | −90,125−64.7% | Reduced |
| Thrivent Financial for Lutherans | 47,328 | $340.0K | 0.00% | −2,131−4.3% | Reduced |
| Great West Life Assurance Co | 47,190 | $338.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 46,399 | $330.8K | 0.00% | +23,770+105.0% | Added |
| Royal Bank of Canada | 44,981 | $324.0K | 0.00% | +14,389+47.0% | Added |
| Advisor Group Holdings, Inc. | 43,855 | $315.3K | 0.00% | +7,544+20.8% | Added |
| Texas Permanent School Fund | 43,292 | $311.3K | 0.00% | −1,717−3.8% | Reduced |
| American Century Companies Inc | 42,059 | $302.4K | 0.00% | +7,496+21.7% | Added |
| Great Valley Advisor Group, Inc. | 41,483 | $298.3K | 0.01% | 00.0% | Unchanged |
| Group One Trading, L.P. | 38,022 | $273.4K | 0.01% | +38,022 | New |
| Dynamic Technology Lab Private Ltd | 37,519 | $270.0K | 0.03% | +37,519 | New |
| Verition Fund Management LLC | 37,020 | $266.2K | 0.00% | +16,360+79.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 34,588 | $248.7K | 0.00% | −23,854−40.8% | Reduced |
| Lazard Asset Management LLC | 32,900 | $236.0K | 0.00% | −26,153−44.3% | Reduced |
| State of Alaska, Department of Revenue | 32,254 | $231.0K | 0.00% | −1,764−5.2% | Reduced |
| Integrated Wealth Concepts LLC | 31,096 | $223.6K | 0.00% | +3,000+10.7% | Added |
| Price T Rowe Associates Inc | 30,946 | $223.0K | 0.00% | +1,015+3.4% | Added |
| Illinois Municipal Retirement Fund | 30,850 | $222.0K | 0.00% | +30,850 | New |
| American International Group, Inc. | 28,833 | $207.3K | 0.00% | +621+2.2% | Added |
| Deutsche Bank AG | 28,421 | $204.3K | 0.00% | −210,196−88.1% | Reduced |
| MetLife Investment Management | 27,830 | $200.1K | 0.00% | 00.0% | Unchanged |
| GTS Securities LLC | 27,694 | $199.1K | 0.00% | +27,694 | New |
| Louisiana State Employees Retirement System | 26,300 | $189.1K | 0.00% | −800−3.0% | Reduced |
| Yousif Capital Management, LLC | 25,614 | $184.2K | 0.00% | −1,845−6.7% | Reduced |
| Franklin Resources Inc | 24,710 | $177.7K | 0.00% | −758−3.0% | Reduced |
| Comerica Bank | 24,636 | $177.1K | 0.00% | +24,636 | New |
| Amalgamated Bank | 23,692 | $170.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 23,375 | $167.7K | 0.00% | +30.0% | Added |
| State Board of Administration of Florida Retirement System | 23,219 | $166.9K | 0.00% | +50+0.2% | Added |
| Brevan Howard Capital Management LP | 22,662 | $162.9K | 0.05% | +22,662 | New |
| Manufacturers Life Insurance Company, The | 21,957 | $157.9K | 0.00% | −655−2.9% | Reduced |
| Voya Investment Management LLC | 21,554 | $155.0K | 0.00% | +696+3.3% | Added |
| Citigroup Inc | 21,513 | $154.7K | 0.00% | −17,707−45.1% | Reduced |