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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 2022

Institutional positions in Century Aluminum Co as of Dec 31, 2022. 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
169
−6 vs. Q3 2022
Shares held
51.8M
+927.6K (+1.8%) vs. Q3 2022
Total value
$423.5M
+$154.1M (+57.2%) vs. Q3 2022
New holders
30
61 more added
Sold out
36
53 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 169 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 2022: $423.5M
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 2022

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2022.

Institutions holding CENX in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.9,722,528$79.5M0.00%+245,680+2.6%Added
State Street Corp6,428,031$52.6M0.00%−1,840,377−22.3%Reduced
Vanguard Group Inc6,203,619$50.7M0.00%−229,560−3.6%Reduced
Dimensional Fund Advisors LP3,178,788$26.0M0.01%+34,068+1.1%Added
Fisher Asset Management, LLC2,486,985$20.3M0.01%−33,662−1.3%Reduced
Citadel Advisors LLC1,741,401$14.2M0.02%+1,004,401+136.3%Added
Morgan Stanley1,243,721$10.2M0.00%−100,545−7.5%Reduced
Invesco Ltd.1,054,554$8.63M0.00%+652,328+162.2%Added
Renaissance Technologies LLC1,037,499$8.49M0.01%+366,400+54.6%Added
Geode Capital Management, LLC969,251$7.93M0.00%−6,225−0.6%Reduced
Mountaineer Partners Management, LLC963,318$7.88M7.48%+963,318New
William Blair Investment Management, LLC871,261$7.13M0.03%+6,092+0.7%Added
D. E. Shaw & Co., Inc.843,237$6.90M0.01%+493,631+141.2%Added
Mirae Asset Global Investments Co., Ltd.696,881$5.70M0.01%−21,332−3.0%Reduced
Charles Schwab Investment Management Inc671,181$5.49M0.00%+33,904+5.3%Added
Two Sigma Investments, LP616,063$5.04M0.02%−71,401−10.4%Reduced
Bridgeway Capital Management, LLC573,800$4.69M0.12%+573,800New
Voloridge Investment Management, LLC555,009$4.54M0.03%−300,249−35.1%Reduced
Northern Trust Corp515,456$4.22M0.00%−550−0.1%Reduced
Bank of New York Mellon Corp508,399$4.16M0.00%+54,290+12.0%Added
Goldman Sachs Group Inc477,333$3.90M0.00%+153,730+47.5%Added
Royce & Associates LP457,338$3.74M0.04%−8,100−1.7%Reduced
Norges Bank430,193$3.52M0.00%00.0%Unchanged
Capital Fund Management S.A.413,900$3.39M0.07%+102,238+32.8%Added
First Eagle Investment Management, LLC410,905$3.36M0.01%+89,500+27.8%Added
Balyasny Asset Management LLC382,137$3.13M0.01%+189,057+97.9%Added
BNP Paribas Arbitrage, SA360,863$2.95M0.01%−29,542−7.6%Reduced
Bank of America Corp340,271$2.78M0.00%−6,183−1.8%Reduced
Two Sigma Advisers, LP326,383$2.67M0.01%+95,000+41.1%Added
Principal Financial Group Inc316,255$2.59M0.00%−1,476−0.5%Reduced
Nuveen Asset Management, LLC300,714$2.46M0.00%−5,614−1.8%Reduced
Occudo Quantitative Strategies LP278,316$2.28M0.27%−22,719−7.5%Reduced
Deutsche Bank AG271,171$2.22M0.00%−8,361−3.0%Reduced
JPMorgan Chase & Co218,857$1.79M0.00%+139,928+177.3%Added
Assenagon Asset Management S.A.197,270$1.61M0.01%+145,793+283.2%Added
Ameriprise Financial Inc193,534$1.58M0.00%−6,294−3.1%Reduced
Congress Asset Management Co189,282$1.55M0.02%+2,256+1.2%Added
AQR Capital Management LLC178,908$1.46M0.00%+57,711+47.6%Added
Schonfeld Strategic Advisors LLC176,800$1.45M0.01%−128,633−42.1%Reduced
PDT Partners, LLC170,791$1.40M0.23%+41,331+31.9%Added
Credit Suisse AG169,423$1.39M0.00%+14,296+9.2%Added
Wellington Management Group LLP168,521$1.38M0.00%+4,221+2.6%Added
Susquehanna Fundamental Investments, LLC164,438$1.35M0.02%+16,910+11.5%Added
Soviero Asset Management, LP160,000$1.31M0.78%+160,000New
Susquehanna International Group, LLP153,810$1.26M0.00%+15,493+11.2%Added
Bank of Montreal148,026$1.24M0.00%+84+0.1%Added
Rhumbline Advisers148,017$1.21M0.00%+4,715+3.3%Added
Legal & General Group Plc147,109$1.20M0.00%+3,736+2.6%Added
Group One Trading, L.P.138,496$1.13M0.04%+64,260+86.6%Added
Lazard Asset Management LLC124,401$1.02M0.00%+118,317+1,944.7%Added
Swiss National Bank121,350$992.6K0.00%+3,100+2.6%Added
Trexquant Investment LP112,976$924.1K0.03%+62,347+123.1%Added
SummerHaven Investment Management, LLC109,381$894.7K0.53%+1,328+1.2%Added
Venture Visionary Partners LLC107,725$881.2K0.06%+107,725New
Jane Street Group, LLC104,988$858.8K0.00%+12,417+13.4%Added
New York State Common Retirement Fund104,982$858.8K0.00%+69,515+196.0%Added
New York State Teachers Retirement System100,005$818.0K0.00%+100+0.1%Added
Russell Investments Group, Ltd.97,965$801.4K0.00%00.0%Unchanged
Wells Fargo & Company94,705$774.7K0.00%−22,521−19.2%Reduced
Public Sector Pension Investment Board94,207$770.6K0.01%00.0%Unchanged
Alliancebernstein L.P.80,319$657.0K0.00%+19,944+33.0%Added
Key Group Holdings (Cayman), Ltd.74,414$608.7K0.05%−3,373−4.3%Reduced
STRS Ohio72,400$592.0K0.00%−14,600−16.8%Reduced
XTX Topco Ltd72,098$589.8K0.13%+2,020+2.9%Added
Hunter Associates Investment Management LLC71,500$585.0K0.14%00.0%Unchanged
UBS Asset Management Americas Inc69,667$569.9K0.00%−270−0.4%Reduced
Aldebaran Capital, LLC69,355$567.3K0.59%+69,355New
Millennium Management LLC65,420$535.0K0.00%−72,211−52.5%Reduced
Greenland Capital Management LP64,692$529.2K0.10%+64,692New
California State Teachers Retirement System64,365$526.5K0.00%+677+1.1%Added
Algert Global LLC63,969$523.3K0.03%−50,800−44.3%Reduced
Ergoteles LLC63,153$516.6K0.02%+63,153New
CoreCommodity Management, LLC60,971$498.7K0.15%+35,106+135.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys54,747$448.0K0.00%+8,134+17.5%Added
Thrivent Financial for Lutherans52,471$429.0K0.00%−414−0.8%Reduced
Prudential Financial Inc51,760$423.4K0.00%−600−1.1%Reduced
Great West Life Assurance Co51,433$420.0K0.00%+2,300+4.7%Added
HRT Financial LP42,996$351.0K0.00%+42,996New
Advisor Group Holdings, Inc.42,645$349.0K0.00%+7,081+19.9%Added
Barclays PLC39,925$326.6K0.00%+26,575+199.1%Added
Royal Bank of Canada38,918$318.0K0.00%−51,585−57.0%Reduced
Comerica Bank30,292$318.0K0.00%−9,015−22.9%Reduced
Allianz Asset Management GmbH36,200$296.1K0.00%+36,200New
State of Alaska, Department of Revenue35,519$290.0K0.00%+99+0.3%Added
Texas Permanent School Fund34,031$278.0K0.00%−2,477−6.8%Reduced
Yousif Capital Management, LLC32,336$264.5K0.00%−9,200−22.1%Reduced
Price T Rowe Associates Inc31,550$258.0K0.00%−12,320−28.1%Reduced
Citigroup Inc30,682$251.0K0.00%+3,578+13.2%Added
Graham Capital Management, L.P.30,573$250.1K0.01%−121,453−79.9%Reduced
Cubist Systematic Strategies, LLC29,141$238.4K0.00%−26,686−47.8%Reduced
American International Group, Inc.28,179$230.5K0.00%−221−0.8%Reduced
MetLife Investment Management27,830$227.6K0.00%00.0%Unchanged
Amalgamated Bank24,917$204.0K0.00%00.0%Unchanged
Louisiana State Employees Retirement System24,300$199.0K0.01%−100−0.4%Reduced
State Board of Administration of Florida Retirement System23,179$189.6K0.00%00.0%Unchanged
Squarepoint Ops LLC22,618$185.0K0.00%−51,001−69.3%Reduced
Everence Capital Management Inc22,250$182.0K0.02%00.0%Unchanged
Manufacturers Life Insurance Company, The21,642$177.0K0.00%−112−0.5%Reduced
Jaffetilchin Investment Partners, LLC21,098$172.6K0.02%+21,098New
Maryland State Retirement & Pension System21,087$172.5K0.01%00.0%Unchanged