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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, Q4 2024

Institutional positions in Century Aluminum Co as of Dec 31, 2024. 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
222
+26 vs. Q3 2024
Shares held
92.4M
+37.5M (+68.2%) vs. Q3 2024
Total value
$1.68B
+$792.1M (+88.8%) vs. Q3 2024
New holders
56
69 more added
Sold out
30
68 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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.

Institutional holdersQ4 2024: 222 institutions
Q1 2021: 139 institutionsQ2 2021: 146 institutionsQ3 2021: 148 institutionsQ4 2021: 164 institutionsQ1 2022: 190 institutionsQ2 2022: 172 institutionsQ3 2022: 176 institutionsQ4 2022: 169 institutionsQ1 2023: 168 institutionsQ2 2023: 160 institutionsQ3 2023: 162 institutionsQ4 2023: 171 institutionsQ1 2024: 180 institutionsQ2 2024: 191 institutionsQ3 2024: 197 institutionsQ4 2024: 222 institutionsQ1 2025: 218 institutionsQ2 2025: 222 institutionsQ3 2025: 255 institutionsQ4 2025: 326 institutionsQ1 2026: 387 institutionsQ2 2026: 416 institutions
Value heldQ4 2024: $1.68B
Q1 2021: $823.3MQ2 2021: $673.3MQ3 2021: $674.8MQ4 2021: $844.8MQ1 2022: $1.39BQ2 2022: $415.9MQ3 2022: $269.4MQ4 2022: $423.5MQ1 2023: $518.2MQ2 2023: $438.5MQ3 2023: $378.2MQ4 2023: $693.3MQ1 2024: $829.8MQ2 2024: $923.2MQ3 2024: $892.4MQ4 2024: $1.68BQ1 2025: $1.72BQ2 2025: $1.72BQ3 2025: $2.83BQ4 2025: $3.92BQ1 2026: $5.92BQ2 2026: $4.79B
Institutions holding CENX and their total value by quarter
QuarterHoldersValue
Q2 2026416$4.79B
Q1 2026387$5.92B
Q4 2025326$3.92B
Q3 2025255$2.83B
Q2 2025222$1.72B
Q1 2025218$1.72B
Q4 2024222$1.68B
Q3 2024197$892.4M
Q2 2024191$923.2M
Q1 2024180$829.8M
Q4 2023171$693.3M
Q3 2023162$378.2M
Q2 2023160$438.5M
Q1 2023168$518.2M
Q4 2022169$423.5M
Q3 2022176$269.4M
Q2 2022172$415.9M
Q1 2022190$1.39B
Q4 2021164$844.8M
Q3 2021148$674.8M
Q2 2021146$673.3M
Q1 2021139$823.3M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2024.

Institutions holding CENX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
State Board of Administration of Florida Retirement System23,219$423.1K0.00%00.0%Unchanged
Polymer Capital Management (US) LLC23,500$428.2K0.14%+23,500New
Alpha DNA Investment Management LLC24,503$446.4K0.24%+24,503New
Louisiana State Employees Retirement System25,100$457.3K0.01%00.0%Unchanged
SG Americas Securities, LLC25,242$460.0K0.00%−4,003−13.7%Reduced
Cambridge Investment Research Advisors, Inc.25,939$473.0K0.00%+25,939New
Manufacturers Life Insurance Company, The26,238$478.1K0.00%−1,352−4.9%Reduced
Cambria Investment Management, L.P.26,721$486.9K0.03%+363+1.4%Added
Capital Fund Management S.A.27,629$503.4K0.00%+27,629New
Corebridge Financial, Inc.28,078$511.6K0.00%−2,191−7.2%Reduced
Perennial Advisors, LLC29,368$535.1K0.12%+29,368New
Illinois Municipal Retirement Fund29,395$535.6K0.01%−882−2.9%Reduced
State of Alaska, Department of Revenue29,476$537.0K0.01%−176−0.6%Reduced
HSBC Holdings PLC29,641$543.0K0.00%−18,975−39.0%Reduced
Beryl Capital Management LLC29,809$543.1K0.12%+29,809New
Franklin Resources Inc30,115$548.7K0.00%00.0%Unchanged
MetLife Investment Management31,907$581.3K0.00%+2,549+8.7%Added
AQR Capital Management LLC31,950$582.1K0.00%+20,309+174.5%Added
Counterpoint Mutual Funds LLC36,431$663.8K0.08%+36,431New
Susquehanna International Group, LLP37,133$676.6K0.00%+21,966+144.8%Added
Advisors Preferred, LLC38,105$683.2K0.11%+38,105New
Lombard Odier Asset Management (USA) Corp37,579$684.7K0.26%+37,579New
Price T Rowe Associates Inc37,726$688.0K0.00%+3,276+9.5%Added
Verition Fund Management LLC39,461$719.0K0.00%−78,052−66.4%Reduced
HITE Hedge Asset Management LLC39,705$723.4K0.05%00.0%Unchanged
Thrivent Financial for Lutherans40,168$732.0K0.00%−636−1.6%Reduced
Jennison Associates LLC41,457$755.3K0.00%−5,798−12.3%Reduced
Los Angeles Capital Management LLC44,111$803.7K0.00%+17,134+63.5%Added
Hartree Partners, LP45,274$824.9K0.31%+45,274New
Steamboat Capital Partners, LLC48,016$874.9K0.27%−971−2.0%Reduced
Quantbot Technologies LP49,545$902.7K0.03%−43,692−46.9%Reduced
Russell Investments Group, Ltd.50,257$915.7K0.00%−1,404−2.7%Reduced
California State Teachers Retirement System51,797$943.7K0.00%−586−1.1%Reduced
Great West Life Assurance Co53,001$965.0K0.00%00.0%Unchanged
Prudential Financial Inc53,377$972.5K0.00%−780−1.4%Reduced
Bridgeway Capital Management, LLC58,117$1.06M0.02%+2,801+5.1%Added
Empowered Funds, LLC58,117$1.06M0.02%+2,801+5.1%Added
Aquatic Capital Management LLC59,818$1.09M0.03%+31,318+109.9%Added
Winton Group Ltd60,209$1.10M0.07%−13,262−18.1%Reduced
Aldebaran Capital, LLC61,975$1.13M1.07%−1,455−2.3%Reduced
Campbell & CO Investment Adviser LLC69,367$1.26M0.10%+69,367New
Alliancebernstein L.P.69,641$1.27M0.00%−2,539−3.5%Reduced
Caxton Associates LP70,588$1.29M0.04%+70,588New
Citigroup Inc71,918$1.31M0.00%+5,739+8.7%Added
Federated Hermes, Inc.72,283$1.32M0.00%+47,417+190.7%Added
CoreCommodity Management, LLC78,749$1.43M0.28%+17,395+28.4%Added
Jane Street Group, LLC84,701$1.54M0.00%−54,275−39.1%Reduced
Cinctive Capital Management LP85,530$1.56M0.08%+85,530New
Trexquant Investment LP88,135$1.61M0.02%+88,135New
New York State Teachers Retirement System91,068$1.66M0.00%−2,682−2.9%Reduced
Barclays PLC99,918$1.82M0.00%+2,522+2.6%Added
HRT Financial LP101,076$1.84M0.01%+81,097+405.9%Added
UBS Asset Management Americas Inc102,299$1.86M0.00%−5,397−5.0%Reduced
Wells Fargo & Company103,577$1.89M0.00%+3,580+3.6%Added
Swiss National Bank109,250$1.99M0.00%00.0%Unchanged
Deutsche Bank AG111,707$2.04M0.00%+14,450+14.9%Added
Healthcare of Ontario Pension Plan Trust Fund119,400$2.18M0.00%+119,400New
Squarepoint Ops LLC119,541$2.18M0.01%+84,220+238.4%Added
Polar Asset Management Partners Inc.120,586$2.20M0.03%+120,586New
ExodusPoint Capital Management, LP121,682$2.22M0.02%+121,682New
Norges Bank122,254$2.23M0.00%+62,933+106.1%Added
Hillsdale Investment Management Inc.126,700$2.31M0.12%−82,900−39.6%Reduced
Ameriprise Financial Inc128,272$2.34M0.00%−3,627−2.7%Reduced
Public Sector Pension Investment Board129,452$2.36M0.01%+19,249+17.5%Added
Two Sigma Advisers, LP131,183$2.39M0.01%+13,900+11.9%Added
Man Group plc134,574$2.45M0.01%+58,435+76.7%Added
Legal & General Group Plc134,925$2.46M0.00%−6,738−4.8%Reduced
D. E. Shaw & Co., Inc.135,426$2.47M0.00%+106,964+375.8%Added
Engine No. 1 LLC136,000$2.48M6.59%+136,000New
State of Wisconsin Investment Board140,060$2.55M0.01%+63,465+82.9%Added
Rhumbline Advisers143,208$2.61M0.00%−9,924−6.5%Reduced
Algert Global LLC161,868$2.95M0.07%+73,860+83.9%Added
American Century Companies Inc170,297$3.10M0.00%−652,685−79.3%Reduced
Cohen & Steers, Inc.191,276$3.48M0.01%+191,276New
First Trust Advisors LP192,465$3.51M0.00%+9,146+5.0%Added
Intech Investment Management LLC196,048$3.57M0.03%+132,074+206.4%Added
JPMorgan Chase & Co217,042$3.95M0.00%−741,991−77.4%Reduced
Congress Asset Management Co218,525$3.98M0.03%+14,223+7.0%Added
Renaissance Technologies LLC229,699$4.19M0.01%−55,000−19.3%Reduced
Nomura Holdings Inc256,659$4.68M0.02%+82,911+47.7%Added
Sourcerock Group LLC294,397$5.36M0.38%−637,994−68.4%Reduced
New York State Common Retirement Fund296,781$5.41M0.01%−29,310−9.0%Reduced
BNP Paribas Arbitrage, SA311,181$5.67M0.00%+127,115+69.1%Added
Bank of Montreal311,221$5.67M0.00%−55,627−15.2%Reduced
Citadel Advisors LLC314,033$5.72M0.01%+293,600+1,436.9%Added
Jacobs Levy Equity Management, Inc317,406$5.78M0.02%+60,904+23.7%Added
Principal Financial Group Inc319,702$5.82M0.00%+17,710+5.9%Added
Bank of New York Mellon Corp347,045$6.32M0.00%+19,129+5.8%Added
Cubist Systematic Strategies, LLC360,573$6.57M0.11%−109,604−23.3%Reduced
Assenagon Asset Management S.A.390,227$7.11M0.01%−231,073−37.2%Reduced
Penn Capital Management Co Inc390,255$7.11M0.70%−53,849−12.1%Reduced
Wellington Management Group LLP411,589$7.50M0.00%+2,358+0.6%Added
Nuveen Asset Management, LLC413,223$7.53M0.00%+279,211+208.3%Added
Goldman Sachs Group Inc414,266$7.55M0.00%−103,705−20.0%Reduced
Pertento Partners LLP421,401$7.68M0.79%+421,401New
Qube Research & Technologies Ltd423,782$7.72M0.01%+254,747+150.7%Added
First Eagle Investment Management, LLC428,756$7.81M0.02%−202,558−32.1%Reduced
Bridgewater Associates, LP431,279$7.86M0.04%+183,875+74.3%Added
Crestline Management, LP436,997$7.96M0.28%−78,158−15.2%Reduced
Millennium Management LLC457,728$8.34M0.01%+362,586+381.1%Added