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 |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 62,303 | $448.0K | 0.01% | +62,303 | New |
| Public Sector Pension Investment Board | 63,944 | $459.8K | 0.00% | −27,827−30.3% | Reduced |
| JPMorgan Chase & Co | 64,857 | $466.3K | 0.00% | −373,813−85.2% | Reduced |
| Alliancebernstein L.P. | 65,720 | $472.5K | 0.00% | +11,650+21.5% | Added |
| Jane Street Group, LLC | 67,064 | $482.2K | 0.00% | +13,360+24.9% | Added |
| Aldebaran Capital, LLC | 67,880 | $488.1K | 0.50% | −195−0.3% | Reduced |
| Hunter Associates Investment Management LLC | 71,500 | $514.0K | 0.10% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 74,728 | $537.3K | 0.00% | 00.0% | Unchanged |
| Jade Capital Advisors, LLC | 75,000 | $539.3K | 0.53% | +50,000+200.0% | Added |
| State of Wisconsin Investment Board | 82,354 | $592.1K | 0.00% | +774+0.9% | Added |
| Schonfeld Strategic Advisors LLC | 86,628 | $622.9K | 0.01% | +21,716+33.5% | Added |
| ExodusPoint Capital Management, LP | 95,618 | $687.0K | 0.01% | +95,618 | New |
| New York State Teachers Retirement System | 98,505 | $708.0K | 0.00% | −1,000−1.0% | Reduced |
| Two Sigma Advisers, LP | 107,583 | $773.5K | 0.00% | −30,000−21.8% | Reduced |
| PDT Partners, LLC | 120,006 | $862.8K | 0.11% | 00.0% | Unchanged |
| Wells Fargo & Company | 120,212 | $864.3K | 0.00% | −1,663−1.4% | Reduced |
| Swiss National Bank | 120,550 | $866.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 127,329 | $915.5K | 0.00% | −25,259−16.6% | Reduced |
| Nuveen Asset Management, LLC | 133,135 | $957.2K | 0.00% | −210,480−61.3% | Reduced |
| Squarepoint Ops LLC | 133,541 | $960.2K | 0.00% | +133,541 | New |
| Legal & General Group Plc | 139,834 | $1.01M | 0.00% | −4,798−3.3% | Reduced |
| Marshall Wace, LLP | 150,759 | $1.08M | 0.00% | +150,759 | New |
| Bank of Montreal | 146,649 | $1.10M | 0.00% | +51,068+53.4% | Added |
| Rhumbline Advisers | 156,597 | $1.13M | 0.00% | +2,502+1.6% | Added |
| Jump Financial, LLC | 159,395 | $1.15M | 0.04% | +159,395 | New |
| Ameriprise Financial Inc | 160,411 | $1.15M | 0.00% | −16,852−9.5% | Reduced |
| Wellington Management Group LLP | 164,510 | $1.18M | 0.00% | +149+0.1% | Added |
| Victory Capital Management Inc | 173,863 | $1.25M | 0.00% | +13,442+8.4% | Added |
| Occudo Quantitative Strategies LP | 180,538 | $1.30M | 0.17% | +88,565+96.3% | Added |
| Two Sigma Investments, LP | 185,268 | $1.33M | 0.00% | +42,192+29.5% | Added |
| Dark Forest Capital Management LP | 201,567 | $1.45M | 0.12% | +122,915+156.3% | Added |
| Congress Asset Management Co | 213,232 | $1.53M | 0.01% | +291+0.1% | Added |
| Credit Suisse AG | 224,202 | $1.61M | 0.00% | +24,418+12.2% | Added |
| Tudor Investment Corp Et Al | 225,223 | $1.62M | 0.02% | +122,727+119.7% | Added |
| Balyasny Asset Management LLC | 252,503 | $1.82M | 0.01% | +142,532+129.6% | Added |
| Empowered Funds, LLC | 269,000 | $1.93M | 0.06% | +22,120+9.0% | Added |
| Principal Financial Group Inc | 276,601 | $1.99M | 0.00% | −17,740−6.0% | Reduced |
| Gsa Capital Partners LLP | 277,120 | $1.99M | 0.17% | +277,120 | New |
| D. E. Shaw & Co., Inc. | 336,786 | $2.42M | 0.00% | +68,448+25.5% | Added |
| Assenagon Asset Management S.A. | 350,739 | $2.52M | 0.01% | +252,095+255.6% | Added |
| Norges Bank | 385,148 | $2.77M | 0.00% | −45,045−10.5% | Reduced |
| Bank of New York Mellon Corp | 448,796 | $3.23M | 0.00% | −35,018−7.2% | Reduced |
| Millennium Management LLC | 493,923 | $3.55M | 0.00% | +467,644+1,779.5% | Added |
| Voloridge Investment Management, LLC | 516,842 | $3.72M | 0.02% | −124,694−19.4% | Reduced |
| Northern Trust Corp | 533,057 | $3.83M | 0.00% | −7,724−1.4% | Reduced |
| Goldman Sachs Group Inc | 533,956 | $3.84M | 0.00% | +108,180+25.4% | Added |
| Bridgeway Capital Management, LLC | 591,300 | $4.25M | 0.10% | +22,120+3.9% | Added |
| Renaissance Technologies LLC | 614,499 | $4.42M | 0.01% | −145,100−19.1% | Reduced |
| First Eagle Investment Management, LLC | 791,514 | $5.69M | 0.01% | +380,324+92.5% | Added |
| Charles Schwab Investment Management Inc | 801,548 | $5.76M | 0.00% | +25,480+3.3% | Added |
| Bank of America Corp | 859,878 | $6.18M | 0.00% | +252,822+41.6% | Added |
| Morgan Stanley | 1,013,901 | $7.29M | 0.00% | +49,713+5.2% | Added |
| Geode Capital Management, LLC | 1,090,475 | $7.84M | 0.00% | +41,535+4.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,395,589 | $10.0M | 0.02% | +118,234+9.3% | Added |
| Citadel Advisors LLC | 1,808,520 | $13.0M | 0.01% | +119,072+7.0% | Added |
| Mountaineer Partners Management, LLC | 2,035,868 | $14.6M | 9.38% | +38,525+1.9% | Added |
| Fisher Asset Management, LLC | 2,337,111 | $16.8M | 0.01% | −74,488−3.1% | Reduced |
| Invesco Ltd. | 2,777,017 | $20.0M | 0.01% | −25,834−0.9% | Reduced |
| Dimensional Fund Advisors LP | 3,201,406 | $23.0M | 0.01% | −424,510−11.7% | Reduced |
| Vanguard Group Inc | 5,852,118 | $42.1M | 0.00% | −40,052−0.7% | Reduced |
| State Street Corp | 6,281,440 | $45.2M | 0.00% | +1,206,378+23.8% | Added |
| BlackRock Inc. | 10,284,686 | $73.9M | 0.00% | +553,037+5.7% | Added |
| Royce & Associates LP | 0 | $0 | 0.00% | −420,538−100.0% | Sold out |
| ClariVest Asset Management LLC | 0 | $0 | 0.00% | −127,812−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −108,957−100.0% | Sold out |
| SummerHaven Investment Management, LLC | 0 | $0 | 0.00% | −96,853−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −94,914−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −49,999−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −37,310−100.0% | Sold out |
| Jaffetilchin Investment Partners, LLC | 0 | $0 | 0.00% | −28,754−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −18,028−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −11,320−100.0% | Sold out |
| Mutual of America Capital Management LLC | 0 | $0 | 0.00% | −10,098−100.0% | Sold out |
| Everence Capital Management Inc | 0 | $0 | 0.00% | −11,200−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −3,217−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −1,058−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −862−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −434−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −241−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| EA Series Trust | – | – | – | – | Not filed |