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 |
|---|---|---|---|---|---|
| Legal & General Group Plc | 128,004 | $1.65M | 0.00% | −33,489−20.7% | Reduced |
| Credit Suisse AG | 130,725 | $1.69M | 0.00% | +77,083+143.7% | Added |
| Weiss Multi-Strategy Advisers LLC | 136,385 | $1.76M | 0.04% | +136,385 | New |
| L & S Advisors Inc | 145,117 | $1.87M | 0.20% | +145,117 | New |
| Russell Investments Group, Ltd. | 145,486 | $1.87M | 0.00% | +14,362+11.0% | Added |
| Deutsche Bank AG | 162,271 | $2.09M | 0.00% | +126,952+359.4% | Added |
| Rhumbline Advisers | 163,693 | $2.11M | 0.00% | −10,032−5.8% | Reduced |
| Bank of Montreal | 164,451 | $2.16M | 0.00% | +20,055+13.9% | Added |
| Boothbay Fund Management, LLC | 171,159 | $2.21M | 0.09% | +171,159 | New |
| Bank of America Corp | 192,320 | $2.48M | 0.00% | +15,216+8.6% | Added |
| D. E. Shaw & Co., Inc. | 218,709 | $2.82M | 0.00% | +193,237+758.6% | Added |
| Ameriprise Financial Inc | 220,002 | $2.83M | 0.00% | −4,365−1.9% | Reduced |
| Susquehanna International Group, LLP | 244,487 | $3.15M | 0.00% | +92,442+60.8% | Added |
| Millennium Management LLC | 248,090 | $3.20M | 0.00% | +16,974+7.3% | Added |
| PDT Partners, LLC | 253,558 | $3.27M | 0.22% | +173,286+215.9% | Added |
| Hennessy Advisors Inc | 282,100 | $3.64M | 0.20% | 00.0% | Unchanged |
| Invesco Ltd. | 297,443 | $3.83M | 0.00% | −336,863−53.1% | Reduced |
| Sourcerock Group LLC | 300,000 | $3.87M | 1.53% | +300,000 | New |
| Moore Capital Management, LP | 302,059 | $3.89M | 0.07% | +209,294+225.6% | Added |
| Key Group Holdings (Cayman), Ltd. | 328,853 | $4.24M | 0.44% | −181,147−35.5% | Reduced |
| Principal Financial Group Inc | 349,116 | $4.50M | 0.00% | +2,496+0.7% | Added |
| Nuveen Asset Management, LLC | 387,240 | $4.99M | 0.00% | −16,224−4.0% | Reduced |
| New York State Common Retirement Fund | 427,761 | $5.51M | 0.01% | +383,561+867.8% | Added |
| Voloridge Investment Management, LLC | 440,806 | $5.68M | 0.04% | +440,806 | New |
| Parametric Portfolio Associates LLC | 443,333 | $5.71M | 0.00% | −67,384−13.2% | Reduced |
| Penn Capital Management Co Inc | 444,328 | $5.73M | 0.56% | +444,328 | New |
| Bridgeway Capital Management, LLC | 450,000 | $5.80M | 0.10% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 486,373 | $6.27M | 0.00% | −21,521−4.2% | Reduced |
| Point72 Asset Management, L.P. | 491,400 | $6.33M | 0.03% | +491,400 | New |
| Goldman Sachs Group Inc | 535,784 | $6.91M | 0.00% | +407,866+318.8% | Added |
| Great Lakes Advisors, LLC | 552,807 | $7.13M | 0.11% | −3,627−0.7% | Reduced |
| Northern Trust Corp | 559,158 | $7.21M | 0.00% | −12,364−2.2% | Reduced |
| Charles Schwab Investment Management Inc | 591,338 | $7.62M | 0.00% | −43,975−6.9% | Reduced |
| Norges Bank | 591,662 | $7.63M | 0.00% | +50,830+9.4% | Added |
| Encompass Capital Advisors LLC | 600,309 | $7.74M | 0.71% | +200,082+50.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 828,945 | $10.7M | 0.03% | +291,524+54.2% | Added |
| Geode Capital Management, LLC | 884,185 | $11.4M | 0.00% | +31,717+3.7% | Added |
| Royce & Associates LP | 903,590 | $11.6M | 0.08% | −151,400−14.4% | Reduced |
| Impala Asset Management LLC | 977,084 | $12.6M | 0.88% | −264,363−21.3% | Reduced |
| Morgan Stanley | 1,899,790 | $24.5M | 0.00% | +1,565,359+468.1% | Added |
| Citadel Advisors LLC | 2,084,096 | $26.9M | 0.03% | +788,770+60.9% | Added |
| Fisher Asset Management, LLC | 2,400,619 | $30.9M | 0.02% | −164,551−6.4% | Reduced |
| Dimensional Fund Advisors LP | 4,420,177 | $57.0M | 0.02% | −732,821−14.2% | Reduced |
| Vanguard Group Inc | 5,583,370 | $72.0M | 0.00% | +110,332+2.0% | Added |
| BlackRock Inc. | 8,340,589 | $107.5M | 0.00% | +35,482+0.4% | Added |
| State Street Corp | 9,152,468 | $118.0M | 0.01% | +4,022,420+78.4% | Added |
| Natixis | 0 | $0 | 0.00% | −1,104,915−100.0% | Sold out |
| Key Square Capital Management LLC | 0 | $0 | 0.00% | −550,550−100.0% | Sold out |
| Affinity Wealth Management LLC | 0 | $0 | 0.00% | −131,076−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −102,500−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −93,405−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −64,873−100.0% | Sold out |
| Venture Visionary Partners LLC | 0 | $0 | 0.00% | −39,153−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −24,850−100.0% | Sold out |
| Eudaimonia Partners, LLC | 0 | $0 | 0.00% | −22,213−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −21,300−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −20,878−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −18,090−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −14,063−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −12,308−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −10,743−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −10,734−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −9,504−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −6,722−100.0% | Sold out |
| Money Concepts Capital Corp | – | – | – | – | Not filed |