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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
Greenland Capital Management LP64,692$529.2K0.10%+64,692New
Millennium Management LLC65,420$535.0K0.00%−72,211−52.5%Reduced
Aldebaran Capital, LLC69,355$567.3K0.59%+69,355New
UBS Asset Management Americas Inc69,667$569.9K0.00%−270−0.4%Reduced
Hunter Associates Investment Management LLC71,500$585.0K0.14%00.0%Unchanged
XTX Topco Ltd72,098$589.8K0.13%+2,020+2.9%Added
STRS Ohio72,400$592.0K0.00%−14,600−16.8%Reduced
Key Group Holdings (Cayman), Ltd.74,414$608.7K0.05%−3,373−4.3%Reduced
Alliancebernstein L.P.80,319$657.0K0.00%+19,944+33.0%Added
Public Sector Pension Investment Board94,207$770.6K0.01%00.0%Unchanged
Wells Fargo & Company94,705$774.7K0.00%−22,521−19.2%Reduced
Russell Investments Group, Ltd.97,965$801.4K0.00%00.0%Unchanged
New York State Teachers Retirement System100,005$818.0K0.00%+100+0.1%Added
New York State Common Retirement Fund104,982$858.8K0.00%+69,515+196.0%Added
Jane Street Group, LLC104,988$858.8K0.00%+12,417+13.4%Added
Venture Visionary Partners LLC107,725$881.2K0.06%+107,725New
SummerHaven Investment Management, LLC109,381$894.7K0.53%+1,328+1.2%Added
Trexquant Investment LP112,976$924.1K0.03%+62,347+123.1%Added
Swiss National Bank121,350$992.6K0.00%+3,100+2.6%Added
Lazard Asset Management LLC124,401$1.02M0.00%+118,317+1,944.7%Added
Group One Trading, L.P.138,496$1.13M0.04%+64,260+86.6%Added
Legal & General Group Plc147,109$1.20M0.00%+3,736+2.6%Added
Rhumbline Advisers148,017$1.21M0.00%+4,715+3.3%Added
Bank of Montreal148,026$1.24M0.00%+84+0.1%Added
Susquehanna International Group, LLP153,810$1.26M0.00%+15,493+11.2%Added
Soviero Asset Management, LP160,000$1.31M0.78%+160,000New
Susquehanna Fundamental Investments, LLC164,438$1.35M0.02%+16,910+11.5%Added
Wellington Management Group LLP168,521$1.38M0.00%+4,221+2.6%Added
Credit Suisse AG169,423$1.39M0.00%+14,296+9.2%Added
PDT Partners, LLC170,791$1.40M0.23%+41,331+31.9%Added
Schonfeld Strategic Advisors LLC176,800$1.45M0.01%−128,633−42.1%Reduced
AQR Capital Management LLC178,908$1.46M0.00%+57,711+47.6%Added
Congress Asset Management Co189,282$1.55M0.02%+2,256+1.2%Added
Ameriprise Financial Inc193,534$1.58M0.00%−6,294−3.1%Reduced
Assenagon Asset Management S.A.197,270$1.61M0.01%+145,793+283.2%Added
JPMorgan Chase & Co218,857$1.79M0.00%+139,928+177.3%Added
Deutsche Bank AG271,171$2.22M0.00%−8,361−3.0%Reduced
Occudo Quantitative Strategies LP278,316$2.28M0.27%−22,719−7.5%Reduced
Nuveen Asset Management, LLC300,714$2.46M0.00%−5,614−1.8%Reduced
Principal Financial Group Inc316,255$2.59M0.00%−1,476−0.5%Reduced
Two Sigma Advisers, LP326,383$2.67M0.01%+95,000+41.1%Added
Bank of America Corp340,271$2.78M0.00%−6,183−1.8%Reduced
BNP Paribas Arbitrage, SA360,863$2.95M0.01%−29,542−7.6%Reduced
Balyasny Asset Management LLC382,137$3.13M0.01%+189,057+97.9%Added
First Eagle Investment Management, LLC410,905$3.36M0.01%+89,500+27.8%Added
Capital Fund Management S.A.413,900$3.39M0.07%+102,238+32.8%Added
Norges Bank430,193$3.52M0.00%00.0%Unchanged
Royce & Associates LP457,338$3.74M0.04%−8,100−1.7%Reduced
Goldman Sachs Group Inc477,333$3.90M0.00%+153,730+47.5%Added
Bank of New York Mellon Corp508,399$4.16M0.00%+54,290+12.0%Added
Northern Trust Corp515,456$4.22M0.00%−550−0.1%Reduced
Voloridge Investment Management, LLC555,009$4.54M0.03%−300,249−35.1%Reduced
Bridgeway Capital Management, LLC573,800$4.69M0.12%+573,800New
Two Sigma Investments, LP616,063$5.04M0.02%−71,401−10.4%Reduced
Charles Schwab Investment Management Inc671,181$5.49M0.00%+33,904+5.3%Added
Mirae Asset Global Investments Co., Ltd.696,881$5.70M0.01%−21,332−3.0%Reduced
D. E. Shaw & Co., Inc.843,237$6.90M0.01%+493,631+141.2%Added
William Blair Investment Management, LLC871,261$7.13M0.03%+6,092+0.7%Added
Mountaineer Partners Management, LLC963,318$7.88M7.48%+963,318New
Geode Capital Management, LLC969,251$7.93M0.00%−6,225−0.6%Reduced
Renaissance Technologies LLC1,037,499$8.49M0.01%+366,400+54.6%Added
Invesco Ltd.1,054,554$8.63M0.00%+652,328+162.2%Added
Morgan Stanley1,243,721$10.2M0.00%−100,545−7.5%Reduced
Citadel Advisors LLC1,741,401$14.2M0.02%+1,004,401+136.3%Added
Fisher Asset Management, LLC2,486,985$20.3M0.01%−33,662−1.3%Reduced
Dimensional Fund Advisors LP3,178,788$26.0M0.01%+34,068+1.1%Added
Vanguard Group Inc6,203,619$50.7M0.00%−229,560−3.6%Reduced
State Street Corp6,428,031$52.6M0.00%−1,840,377−22.3%Reduced
BlackRock Inc.9,722,528$79.5M0.00%+245,680+2.6%Added
Amundi0$00.00%−521,003−100.0%Sold out
Great Lakes Advisors, LLC0$00.00%−510,266−100.0%Sold out
Clear Sky Advisers, LLC0$00.00%−280,000−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−152,506−100.0%Sold out
Engineers Gate Manager LP0$00.00%−133,045−100.0%Sold out
First Trust Advisors LP0$00.00%−130,827−100.0%Sold out
Twinbeech Capital LP0$00.00%−105,132−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−63,348−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−53,844−100.0%Sold out
Atria Wealth Solutions, Inc.0$00.00%−38,817−100.0%Sold out
Easterly Investment Partners LLC0$00.00%−37,753−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−35,663−100.0%Sold out
Federated Hermes, Inc.0$00.00%−34,660−100.0%Sold out
Gotham Asset Management, LLC0$00.00%−26,219−100.0%Sold out
SEI Investments Co0$00.00%−24,878−100.0%Sold out
Jump Financial, LLC0$00.00%−19,200−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−17,160−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−16,621−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−16,281−100.0%Sold out
Jade Capital Advisors, LLC0$00.00%−15,000−100.0%Sold out
Verition Fund Management LLC0$00.00%−13,034−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−12,900−100.0%Sold out
CIBC World Markets Inc.0$00.00%−12,607−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−10,745−100.0%Sold out
Quadrature Capital Ltd0$00.00%−10,799−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−10,368−100.0%Sold out
State of Wyoming0$00.00%−9,613−100.0%Sold out
Banque Cantonale Vaudoise0$00.00%−2,450−100.0%Sold out
Macquarie Group Ltd0$00.00%0Sold out
Cutler Group LP0$00.00%−2,105−100.0%Sold out
EverSource Wealth Advisors, LLC0$00.00%−534−100.0%Sold out