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 |
|---|---|---|---|---|---|
| Ergoteles LLC | 117,200 | $1.58M | 0.06% | +117,200 | New |
| Swiss National Bank | 119,150 | $1.60M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 121,040 | $1.63M | 0.00% | +75,540+166.0% | Added |
| BNP Paribas Arbitrage, SA | 128,132 | $1.72M | 0.00% | +31,245+32.2% | Added |
| Credit Suisse AG | 133,989 | $1.80M | 0.00% | +3,264+2.5% | Added |
| Legal & General Group Plc | 138,771 | $1.87M | 0.00% | +10,767+8.4% | Added |
| Rhumbline Advisers | 144,108 | $1.94M | 0.00% | −19,585−12.0% | Reduced |
| JPMorgan Chase & Co | 149,749 | $2.02M | 0.00% | +66,564+80.0% | Added |
| Assenagon Asset Management S.A. | 163,861 | $2.20M | 0.01% | +127,391+349.3% | Added |
| Bank of Montreal | 179,300 | $2.47M | 0.00% | +14,849+9.0% | Added |
| ExodusPoint Capital Management, LP | 192,798 | $2.59M | 0.04% | +68,623+55.3% | Added |
| Russell Investments Group, Ltd. | 209,427 | $2.81M | 0.00% | +63,941+43.9% | Added |
| Ameriprise Financial Inc | 210,400 | $2.83M | 0.00% | −9,602−4.4% | Reduced |
| Deutsche Bank AG | 210,667 | $2.83M | 0.00% | +48,396+29.8% | Added |
| PDT Partners, LLC | 247,771 | $3.33M | 0.24% | −5,787−2.3% | Reduced |
| Hennessy Advisors Inc | 273,100 | $3.67M | 0.22% | −9,000−3.2% | Reduced |
| Bank of America Corp | 315,424 | $4.24M | 0.00% | +123,104+64.0% | Added |
| Principal Financial Group Inc | 344,012 | $4.63M | 0.00% | −5,104−1.5% | Reduced |
| Goldman Sachs Group Inc | 351,098 | $4.72M | 0.00% | −184,686−34.5% | Reduced |
| Nuveen Asset Management, LLC | 372,026 | $4.85M | 0.00% | −15,214−3.9% | Reduced |
| Citadel Advisors LLC | 430,167 | $5.79M | 0.01% | −1,653,929−79.4% | Reduced |
| Bridgeway Capital Management, LLC | 450,000 | $6.05M | 0.12% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 483,667 | $6.50M | 0.00% | +40,334+9.1% | Added |
| Bank of New York Mellon Corp | 503,443 | $6.77M | 0.00% | +17,070+3.5% | Added |
| Key Group Holdings (Cayman), Ltd. | 511,664 | $6.88M | 0.67% | +182,811+55.6% | Added |
| Norges Bank | 513,833 | $6.91M | 0.00% | −77,829−13.2% | Reduced |
| Two Sigma Investments, LP | 517,447 | $6.96M | 0.02% | +488,471+1,685.8% | Added |
| Great Lakes Advisors, LLC | 524,957 | $7.06M | 0.11% | −27,850−5.0% | Reduced |
| Northern Trust Corp | 537,824 | $7.23M | 0.00% | −21,334−3.8% | Reduced |
| New York State Common Retirement Fund | 554,492 | $7.46M | 0.01% | +126,731+29.6% | Added |
| Voloridge Investment Management, LLC | 577,624 | $7.77M | 0.05% | +136,818+31.0% | Added |
| Invesco Ltd. | 584,673 | $7.87M | 0.00% | +287,230+96.6% | Added |
| Charles Schwab Investment Management Inc | 598,636 | $8.05M | 0.00% | +7,298+1.2% | Added |
| Penn Capital Management Co Inc | 602,393 | $8.10M | 0.82% | +158,065+35.6% | Added |
| Goldentree Asset Management LP | 615,495 | $8.28M | 0.41% | +615,495 | New |
| Millennium Management LLC | 630,846 | $8.48M | 0.01% | +382,756+154.3% | Added |
| Royce & Associates LP | 824,338 | $11.1M | 0.08% | −79,252−8.8% | Reduced |
| Geode Capital Management, LLC | 903,274 | $12.1M | 0.00% | +19,089+2.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 982,355 | $13.2M | 0.03% | +153,410+18.5% | Added |
| Morgan Stanley | 1,029,088 | $13.8M | 0.00% | −870,702−45.8% | Reduced |
| Maple Rock Capital Partners Inc. | 1,080,000 | $14.5M | 2.03% | +1,080,000 | New |
| William Blair Investment Management, LLC | 1,621,036 | $21.8M | 0.06% | +1,621,036 | New |
| Impala Asset Management LLC | 1,757,089 | $23.6M | 1.76% | +780,005+79.8% | Added |
| Fisher Asset Management, LLC | 2,338,720 | $31.5M | 0.02% | −61,899−2.6% | Reduced |
| Dimensional Fund Advisors LP | 4,019,508 | $54.1M | 0.02% | −400,669−9.1% | Reduced |
| Vanguard Group Inc | 5,569,920 | $74.9M | 0.00% | −13,450−0.2% | Reduced |
| State Street Corp | 6,176,210 | $83.1M | 0.00% | −2,976,258−32.5% | Reduced |
| BlackRock Inc. | 8,220,149 | $110.6M | 0.00% | −120,440−1.4% | Reduced |
| KBC Group NV | 0 | $0 | 0.00% | −6,864−100.0% | Sold out |
| Encompass Capital Advisors LLC | 0 | $0 | 0.00% | −600,309−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −491,400−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −302,059−100.0% | Sold out |
| Sourcerock Group LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −171,159−100.0% | Sold out |
| L & S Advisors Inc | 0 | $0 | 0.00% | −145,117−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −136,385−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −114,420−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −22,224−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −19,899−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −17,900−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −17,600−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −16,560−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −16,382−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −15,619−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −14,884−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −14,697−100.0% | Sold out |
| Strategic Wealth Advisors Group, LLC | 0 | $0 | 0.00% | −14,100−100.0% | Sold out |
| Hexavest Inc. | 0 | $0 | 0.00% | −10,216−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −4,300−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Snow Capital Management LP | – | – | – | – | Not filed |