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 2021
Institutional positions in Century Aluminum Co as of Jun 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
- 146
- +8 vs. Q1 2021
- Shares held
- 52.2M
- +5.61M (+12.0%) vs. Q1 2021
- Total value
- $673.3M
- −$149.1M (−18.1%) vs. Q1 2021
- New holders
- 26
- 47 more added
- Sold out
- 18
- 49 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 9,152,468 | $118.0M | 0.01% | +4,022,420+78.4% | Added |
| BlackRock Inc. | 8,340,589 | $107.5M | 0.00% | +35,482+0.4% | Added |
| Vanguard Group Inc | 5,583,370 | $72.0M | 0.00% | +110,332+2.0% | Added |
| Dimensional Fund Advisors LP | 4,420,177 | $57.0M | 0.02% | −732,821−14.2% | Reduced |
| Fisher Asset Management, LLC | 2,400,619 | $30.9M | 0.02% | −164,551−6.4% | Reduced |
| Citadel Advisors LLC | 2,084,096 | $26.9M | 0.03% | +788,770+60.9% | Added |
| Morgan Stanley | 1,899,790 | $24.5M | 0.00% | +1,565,359+468.1% | Added |
| Impala Asset Management LLC | 977,084 | $12.6M | 0.88% | −264,363−21.3% | Reduced |
| Royce & Associates LP | 903,590 | $11.6M | 0.08% | −151,400−14.4% | Reduced |
| Geode Capital Management, LLC | 884,185 | $11.4M | 0.00% | +31,717+3.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 828,945 | $10.7M | 0.03% | +291,524+54.2% | Added |
| Encompass Capital Advisors LLC | 600,309 | $7.74M | 0.71% | +200,082+50.0% | Added |
| Norges Bank | 591,662 | $7.63M | 0.00% | +50,830+9.4% | Added |
| Charles Schwab Investment Management Inc | 591,338 | $7.62M | 0.00% | −43,975−6.9% | Reduced |
| Northern Trust Corp | 559,158 | $7.21M | 0.00% | −12,364−2.2% | Reduced |
| Great Lakes Advisors, LLC | 552,807 | $7.13M | 0.11% | −3,627−0.7% | Reduced |
| Goldman Sachs Group Inc | 535,784 | $6.91M | 0.00% | +407,866+318.8% | Added |
| Point72 Asset Management, L.P. | 491,400 | $6.33M | 0.03% | +491,400 | New |
| Bank of New York Mellon Corp | 486,373 | $6.27M | 0.00% | −21,521−4.2% | Reduced |
| Bridgeway Capital Management, LLC | 450,000 | $5.80M | 0.10% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 444,328 | $5.73M | 0.56% | +444,328 | New |
| Parametric Portfolio Associates LLC | 443,333 | $5.71M | 0.00% | −67,384−13.2% | Reduced |
| Voloridge Investment Management, LLC | 440,806 | $5.68M | 0.04% | +440,806 | New |
| New York State Common Retirement Fund | 427,761 | $5.51M | 0.01% | +383,561+867.8% | Added |
| Nuveen Asset Management, LLC | 387,240 | $4.99M | 0.00% | −16,224−4.0% | Reduced |
| Principal Financial Group Inc | 349,116 | $4.50M | 0.00% | +2,496+0.7% | Added |
| Key Group Holdings (Cayman), Ltd. | 328,853 | $4.24M | 0.44% | −181,147−35.5% | Reduced |
| Moore Capital Management, LP | 302,059 | $3.89M | 0.07% | +209,294+225.6% | Added |
| Sourcerock Group LLC | 300,000 | $3.87M | 1.53% | +300,000 | New |
| Invesco Ltd. | 297,443 | $3.83M | 0.00% | −336,863−53.1% | Reduced |
| Hennessy Advisors Inc | 282,100 | $3.64M | 0.20% | 00.0% | Unchanged |
| PDT Partners, LLC | 253,558 | $3.27M | 0.22% | +173,286+215.9% | Added |
| Millennium Management LLC | 248,090 | $3.20M | 0.00% | +16,974+7.3% | Added |
| Susquehanna International Group, LLP | 244,487 | $3.15M | 0.00% | +92,442+60.8% | Added |
| Ameriprise Financial Inc | 220,002 | $2.83M | 0.00% | −4,365−1.9% | Reduced |
| D. E. Shaw & Co., Inc. | 218,709 | $2.82M | 0.00% | +193,237+758.6% | Added |
| Bank of America Corp | 192,320 | $2.48M | 0.00% | +15,216+8.6% | Added |
| Boothbay Fund Management, LLC | 171,159 | $2.21M | 0.09% | +171,159 | New |
| Bank of Montreal | 164,451 | $2.16M | 0.00% | +20,055+13.9% | Added |
| Rhumbline Advisers | 163,693 | $2.11M | 0.00% | −10,032−5.8% | Reduced |
| Deutsche Bank AG | 162,271 | $2.09M | 0.00% | +126,952+359.4% | Added |
| Russell Investments Group, Ltd. | 145,486 | $1.87M | 0.00% | +14,362+11.0% | Added |
| L & S Advisors Inc | 145,117 | $1.87M | 0.20% | +145,117 | New |
| Weiss Multi-Strategy Advisers LLC | 136,385 | $1.76M | 0.04% | +136,385 | New |
| Credit Suisse AG | 130,725 | $1.69M | 0.00% | +77,083+143.7% | Added |
| Legal & General Group Plc | 128,004 | $1.65M | 0.00% | −33,489−20.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 127,400 | $1.64M | 0.00% | −1,349,600−91.4% | Reduced |
| ExodusPoint Capital Management, LP | 124,175 | $1.60M | 0.02% | +124,175 | New |
| Jane Street Group, LLC | 122,192 | $1.57M | 0.00% | +90,361+283.9% | Added |
| Swiss National Bank | 119,150 | $1.54M | 0.00% | −2,600−2.1% | Reduced |
| Wells Fargo & Company | 116,130 | $1.50M | 0.00% | −18,249−13.6% | Reduced |
| Los Angeles Capital Management LLC | 114,420 | $1.48M | 0.01% | +15,968+16.2% | Added |
| Public Sector Pension Investment Board | 103,317 | $1.33M | 0.01% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 100,605 | $1.30M | 0.00% | −9,800−8.9% | Reduced |
| BNP Paribas Arbitrage, SA | 96,887 | $1.25M | 0.00% | +69,301+251.2% | Added |
| Symmetry Investments LP | 92,742 | $1.20M | 0.34% | +92,742 | New |
| JPMorgan Chase & Co | 83,185 | $1.07M | 0.00% | −299,072−78.2% | Reduced |
| AQR Capital Management LLC | 73,149 | $943.0K | 0.00% | −4,131−5.3% | Reduced |
| Blueshift Asset Management, LLC | 71,216 | $918.0K | 0.05% | +57,236+409.4% | Added |
| California State Teachers Retirement System | 70,776 | $912.0K | 0.00% | −5,388−7.1% | Reduced |
| UBS Asset Management Americas Inc | 64,799 | $835.3K | 0.00% | +13,481+26.3% | Added |
| Cubist Systematic Strategies, LLC | 64,680 | $834.0K | 0.01% | +20,205+45.4% | Added |
| Citigroup Inc | 57,311 | $738.0K | 0.00% | +25,120+78.0% | Added |
| Snow Capital Management LP | 54,353 | $701.0K | 0.10% | −7,185−11.7% | Reduced |
| Prudential Financial Inc | 54,156 | $698.0K | 0.00% | −3,049−5.3% | Reduced |
| Price T Rowe Associates Inc | 51,444 | $663.0K | 0.00% | +2,629+5.4% | Added |
| STRS Ohio | 48,500 | $625.0K | 0.00% | −4,800−9.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 47,350 | $610.0K | 0.01% | +47,350 | New |
| Barclays PLC | 45,500 | $588.0K | 0.00% | −17,537−27.8% | Reduced |
| Great West Life Assurance Co | 42,465 | $547.0K | 0.00% | −2,479−5.5% | Reduced |
| Thrivent Financial for Lutherans | 41,242 | $532.0K | 0.00% | −186−0.4% | Reduced |
| Comerica Bank | 47,308 | $501.0K | 0.00% | −3,828−7.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 38,715 | $499.0K | 0.01% | −178−0.5% | Reduced |
| Texas Permanent School Fund | 37,596 | $485.0K | 0.01% | −81−0.2% | Reduced |
| Alliancebernstein L.P. | 37,180 | $479.0K | 0.00% | −5,300−12.5% | Reduced |
| Tower Research Capital LLC (TRC) | 37,047 | $478.0K | 0.01% | +14,755+66.2% | Added |
| Assenagon Asset Management S.A. | 36,470 | $470.0K | 0.00% | −96,106−72.5% | Reduced |
| Ensign Peak Advisors, Inc | 36,400 | $469.0K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 34,904 | $449.0K | 0.00% | +771+2.3% | Added |
| American International Group, Inc. | 33,274 | $429.0K | 0.00% | −355−1.1% | Reduced |
| Holocene Advisors, LP | 33,131 | $427.0K | 0.00% | +33,131 | New |
| Simplex Trading, LLC | 32,650 | $420.0K | 0.02% | +17,581+116.7% | Added |
| CoreCommodity Management, LLC | 32,361 | $417.0K | 0.13% | −1,380−4.1% | Reduced |
| Manufacturers Life Insurance Company, The | 30,472 | $393.0K | 0.00% | +674+2.3% | Added |
| Two Sigma Investments, LP | 28,976 | $374.0K | 0.00% | +28,976 | New |
| State Board of Administration of Florida Retirement System | 26,581 | $343.0K | 0.00% | +486+1.9% | Added |
| Walleye Trading LLC | 26,341 | $340.0K | 0.01% | +26,341 | New |
| Amalgamated Bank | 25,185 | $325.0K | 0.00% | +25,185 | New |
| American Century Companies Inc | 24,504 | $316.0K | 0.00% | −2,870−10.5% | Reduced |
| Louisiana State Employees Retirement System | 22,800 | $294.0K | 0.01% | −100−0.4% | Reduced |
| PEAK6 Investments LLC | 22,224 | $286.0K | 0.01% | +21,629+3,635.1% | Added |
| Algert Global LLC | 22,206 | $286.0K | 0.10% | +22,206 | New |
| Truist Financial Corp | 21,817 | $281.0K | 0.00% | +21,817 | New |
| LPL Financial LLC | 21,180 | $273.0K | 0.00% | +9,120+75.6% | Added |
| Royal Bank of Canada | 20,915 | $268.0K | 0.00% | −41,655−66.6% | Reduced |
| Voya Investment Management LLC | 20,606 | $266.0K | 0.00% | −1,090−5.0% | Reduced |
| Oregon Public Employees Retirement Fund | 20,574 | $265.0K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 19,899 | $256.0K | 0.03% | +7,302+58.0% | Added |
| MetLife Investment Management | 19,252 | $248.2K | 0.00% | +6,441+50.3% | Added |
| State of Tennessee, Treasury Department | 17,975 | $232.0K | 0.00% | 00.0% | Unchanged |