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 2021
Institutional positions in Century Aluminum Co as of Sep 30, 2021. 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
- 148
- +3 vs. Q2 2021
- Shares held
- 50.2M
- −2.00M (−3.8%) vs. Q2 2021
- Total value
- $674.8M
- +$2.28M (+0.3%) vs. Q2 2021
- New holders
- 26
- 45 more added
- Sold out
- 23
- 53 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 8,220,149 | $110.6M | 0.00% | −120,440−1.4% | Reduced |
| State Street Corp | 6,176,210 | $83.1M | 0.00% | −2,976,258−32.5% | Reduced |
| Vanguard Group Inc | 5,569,920 | $74.9M | 0.00% | −13,450−0.2% | Reduced |
| Dimensional Fund Advisors LP | 4,019,508 | $54.1M | 0.02% | −400,669−9.1% | Reduced |
| Fisher Asset Management, LLC | 2,338,720 | $31.5M | 0.02% | −61,899−2.6% | Reduced |
| Impala Asset Management LLC | 1,757,089 | $23.6M | 1.76% | +780,005+79.8% | Added |
| William Blair Investment Management, LLC | 1,621,036 | $21.8M | 0.06% | +1,621,036 | New |
| Maple Rock Capital Partners Inc. | 1,080,000 | $14.5M | 2.03% | +1,080,000 | New |
| Morgan Stanley | 1,029,088 | $13.8M | 0.00% | −870,702−45.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 982,355 | $13.2M | 0.03% | +153,410+18.5% | Added |
| Geode Capital Management, LLC | 903,274 | $12.1M | 0.00% | +19,089+2.2% | Added |
| Royce & Associates LP | 824,338 | $11.1M | 0.08% | −79,252−8.8% | Reduced |
| Millennium Management LLC | 630,846 | $8.48M | 0.01% | +382,756+154.3% | Added |
| Goldentree Asset Management LP | 615,495 | $8.28M | 0.41% | +615,495 | New |
| Penn Capital Management Co Inc | 602,393 | $8.10M | 0.82% | +158,065+35.6% | Added |
| Charles Schwab Investment Management Inc | 598,636 | $8.05M | 0.00% | +7,298+1.2% | Added |
| Invesco Ltd. | 584,673 | $7.87M | 0.00% | +287,230+96.6% | Added |
| Voloridge Investment Management, LLC | 577,624 | $7.77M | 0.05% | +136,818+31.0% | Added |
| New York State Common Retirement Fund | 554,492 | $7.46M | 0.01% | +126,731+29.6% | Added |
| Northern Trust Corp | 537,824 | $7.23M | 0.00% | −21,334−3.8% | Reduced |
| Great Lakes Advisors, LLC | 524,957 | $7.06M | 0.11% | −27,850−5.0% | Reduced |
| Two Sigma Investments, LP | 517,447 | $6.96M | 0.02% | +488,471+1,685.8% | Added |
| Norges Bank | 513,833 | $6.91M | 0.00% | −77,829−13.2% | Reduced |
| Key Group Holdings (Cayman), Ltd. | 511,664 | $6.88M | 0.67% | +182,811+55.6% | Added |
| Bank of New York Mellon Corp | 503,443 | $6.77M | 0.00% | +17,070+3.5% | Added |
| Parametric Portfolio Associates LLC | 483,667 | $6.50M | 0.00% | +40,334+9.1% | Added |
| Bridgeway Capital Management, LLC | 450,000 | $6.05M | 0.12% | 00.0% | Unchanged |
| Citadel Advisors LLC | 430,167 | $5.79M | 0.01% | −1,653,929−79.4% | Reduced |
| Nuveen Asset Management, LLC | 372,026 | $4.85M | 0.00% | −15,214−3.9% | Reduced |
| Goldman Sachs Group Inc | 351,098 | $4.72M | 0.00% | −184,686−34.5% | Reduced |
| Principal Financial Group Inc | 344,012 | $4.63M | 0.00% | −5,104−1.5% | Reduced |
| Bank of America Corp | 315,424 | $4.24M | 0.00% | +123,104+64.0% | Added |
| Hennessy Advisors Inc | 273,100 | $3.67M | 0.22% | −9,000−3.2% | Reduced |
| PDT Partners, LLC | 247,771 | $3.33M | 0.24% | −5,787−2.3% | Reduced |
| Deutsche Bank AG | 210,667 | $2.83M | 0.00% | +48,396+29.8% | Added |
| Ameriprise Financial Inc | 210,400 | $2.83M | 0.00% | −9,602−4.4% | Reduced |
| Russell Investments Group, Ltd. | 209,427 | $2.81M | 0.00% | +63,941+43.9% | Added |
| ExodusPoint Capital Management, LP | 192,798 | $2.59M | 0.04% | +68,623+55.3% | Added |
| Bank of Montreal | 179,300 | $2.47M | 0.00% | +14,849+9.0% | Added |
| Assenagon Asset Management S.A. | 163,861 | $2.20M | 0.01% | +127,391+349.3% | Added |
| JPMorgan Chase & Co | 149,749 | $2.02M | 0.00% | +66,564+80.0% | Added |
| Rhumbline Advisers | 144,108 | $1.94M | 0.00% | −19,585−12.0% | Reduced |
| Legal & General Group Plc | 138,771 | $1.87M | 0.00% | +10,767+8.4% | Added |
| Credit Suisse AG | 133,989 | $1.80M | 0.00% | +3,264+2.5% | Added |
| BNP Paribas Arbitrage, SA | 128,132 | $1.72M | 0.00% | +31,245+32.2% | Added |
| Barclays PLC | 121,040 | $1.63M | 0.00% | +75,540+166.0% | Added |
| Swiss National Bank | 119,150 | $1.60M | 0.00% | 00.0% | Unchanged |
| Ergoteles LLC | 117,200 | $1.58M | 0.06% | +117,200 | New |
| Wellington Management Group LLP | 111,778 | $1.50M | 0.00% | +111,778 | New |
| Wells Fargo & Company | 110,710 | $1.49M | 0.00% | −5,420−4.7% | Reduced |
| Symmetry Investments LP | 106,800 | $1.44M | 0.34% | +14,058+15.2% | Added |
| Public Sector Pension Investment Board | 103,317 | $1.39M | 0.01% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 100,605 | $1.35M | 0.00% | 00.0% | Unchanged |
| Holocene Advisors, LP | 85,378 | $1.15M | 0.01% | +52,247+157.7% | Added |
| Susquehanna International Group, LLP | 82,515 | $1.11M | 0.00% | −161,972−66.2% | Reduced |
| HRT Financial LP | 73,765 | $992.0K | 0.01% | +73,765 | New |
| Two Sigma Advisers, LP | 72,983 | $982.0K | 0.00% | +72,983 | New |
| California State Teachers Retirement System | 72,273 | $972.0K | 0.00% | +1,497+2.1% | Added |
| Cubist Systematic Strategies, LLC | 71,174 | $957.0K | 0.01% | +6,494+10.0% | Added |
| D. E. Shaw & Co., Inc. | 69,281 | $932.0K | 0.00% | −149,428−68.3% | Reduced |
| UBS Asset Management Americas Inc | 64,799 | $871.5K | 0.00% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 61,710 | $830.0K | 0.02% | +61,710 | New |
| Price T Rowe Associates Inc | 57,744 | $777.0K | 0.00% | +6,300+12.2% | Added |
| Walleye Trading LLC | 55,880 | $752.0K | 0.02% | +29,539+112.1% | Added |
| Verition Fund Management LLC | 54,634 | $735.0K | 0.01% | +54,634 | New |
| Easterly Investment Partners LLC | 54,353 | $731.0K | 0.05% | +54,353 | New |
| Comerica Bank | 45,964 | $718.0K | 0.00% | −1,344−2.8% | Reduced |
| Prudential Financial Inc | 53,096 | $714.0K | 0.00% | −1,060−2.0% | Reduced |
| SG Americas Securities, LLC | 52,668 | $708.0K | 0.00% | +52,668 | New |
| Group One Trading, L.P. | 49,784 | $670.0K | 0.01% | +36,552+276.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 46,200 | $621.0K | 0.00% | −81,200−63.7% | Reduced |
| Great West Life Assurance Co | 45,583 | $618.0K | 0.00% | +3,118+7.3% | Added |
| STRS Ohio | 45,400 | $610.0K | 0.00% | −3,100−6.4% | Reduced |
| Truist Financial Corp | 45,269 | $609.0K | 0.00% | +23,452+107.5% | Added |
| Citigroup Inc | 41,513 | $559.0K | 0.00% | −15,798−27.6% | Reduced |
| Thrivent Financial for Lutherans | 40,797 | $549.0K | 0.00% | −445−1.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 38,269 | $515.0K | 0.01% | −446−1.2% | Reduced |
| Blueshift Asset Management, LLC | 38,101 | $512.0K | 0.03% | −33,115−46.5% | Reduced |
| Texas Permanent School Fund | 37,336 | $502.0K | 0.01% | −260−0.7% | Reduced |
| State of Alaska, Department of Revenue | 36,789 | $494.0K | 0.00% | +1,885+5.4% | Added |
| Ensign Peak Advisors, Inc | 36,400 | $490.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 34,640 | $466.0K | 0.00% | −87,552−71.7% | Reduced |
| CoreCommodity Management, LLC | 32,361 | $435.0K | 0.12% | 00.0% | Unchanged |
| American International Group, Inc. | 32,165 | $433.0K | 0.00% | −1,109−3.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 30,870 | $415.0K | 0.00% | +30,870 | New |
| Tudor Investment Corp Et Al | 29,452 | $396.0K | 0.01% | +29,452 | New |
| Manufacturers Life Insurance Company, The | 28,174 | $379.0K | 0.00% | −2,298−7.5% | Reduced |
| Simplex Trading, LLC | 29,573 | $372.0K | 0.01% | −3,077−9.4% | Reduced |
| State Board of Administration of Florida Retirement System | 26,581 | $358.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 25,790 | $347.0K | 0.00% | +4,610+21.8% | Added |
| Amalgamated Bank | 24,754 | $333.0K | 0.00% | −431−1.7% | Reduced |
| Royal Bank of Canada | 24,756 | $333.0K | 0.00% | +3,841+18.4% | Added |
| Louisiana State Employees Retirement System | 24,300 | $327.0K | 0.01% | +1,500+6.6% | Added |
| Walleye Capital LLC | 24,143 | $325.0K | 0.01% | +24,143 | New |
| American Century Companies Inc | 24,061 | $324.0K | 0.00% | −443−1.8% | Reduced |
| Voya Investment Management LLC | 20,606 | $277.0K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 20,474 | $275.0K | 0.00% | −100−0.5% | Reduced |
| Algert Global LLC | 20,143 | $271.0K | 0.04% | −2,063−9.3% | Reduced |
| Raymond James & Associates | 20,136 | $271.0K | 0.00% | +20,136 | New |
| Maryland State Retirement & Pension System | 19,715 | $268.0K | 0.01% | +19,715 | New |