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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 2021

Institutional positions in Century Aluminum Co as of Dec 31, 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
164
+16 vs. Q3 2021
Shares held
51.2M
+1.01M (+2.0%) vs. Q3 2021
Total value
$844.8M
+$170.0M (+25.2%) vs. Q3 2021
New holders
33
50 more added
Sold out
17
58 more reduced

Compare with Q3 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.

Institutional holdersQ4 2021: 164 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 2021: $844.8M
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 2021

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2021.

Institutions holding CENX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Price T Rowe Associates Inc50,733$840.0K0.00%−7,011−12.1%Reduced
Algert Global LLC52,263$865.0K0.11%+32,120+159.5%Added
Prudential Financial Inc53,411$884.0K0.00%+315+0.6%Added
Susquehanna International Group, LLP55,075$912.0K0.00%−27,440−33.3%Reduced
Allspring Global Investments Holdings, LLC59,099$978.0K0.00%+59,099New
UBS Asset Management Americas Inc64,799$1.07M0.00%00.0%Unchanged
Capital Fund Management S.A.69,105$1.14M0.03%+69,105New
California State Teachers Retirement System73,766$1.22M0.00%+1,493+2.1%Added
Tudor Investment Corp Et Al83,246$1.38M0.03%+53,794+182.6%Added
Millennium Management LLC84,948$1.41M0.00%−545,898−86.5%Reduced
Verition Fund Management LLC85,900$1.42M0.02%+31,266+57.2%Added
JPMorgan Chase & Co86,488$1.43M0.00%−63,261−42.2%Reduced
New York State Teachers Retirement System100,605$1.67M0.00%00.0%Unchanged
Public Sector Pension Investment Board103,317$1.71M0.01%00.0%Unchanged
Russell Investments Group, Ltd.119,246$1.97M0.00%−90,181−43.1%Reduced
Swiss National Bank119,150$1.97M0.00%00.0%Unchanged
Credit Suisse AG122,179$2.02M0.00%−11,810−8.8%Reduced
BNP Paribas Arbitrage, SA127,157$2.11M0.01%−975−0.8%Reduced
Wells Fargo & Company137,352$2.27M0.00%+26,642+24.1%Added
Legal & General Group Plc143,075$2.37M0.00%+4,304+3.1%Added
Rhumbline Advisers144,228$2.39M0.00%+120+0.1%Added
Barclays PLC150,852$2.50M0.00%+29,812+24.6%Added
D. E. Shaw & Co., Inc.162,799$2.70M0.00%+93,518+135.0%Added
Bank of Montreal166,683$2.74M0.00%−12,617−7.0%Reduced
PDT Partners, LLC168,908$2.80M0.21%−78,863−31.8%Reduced
Balyasny Asset Management LLC177,494$2.94M0.01%+177,494New
Deutsche Bank AG184,182$3.05M0.00%−26,485−12.6%Reduced
Susquehanna Fundamental Investments, LLC199,444$3.30M0.09%+183,084+1,119.1%Added
Ameriprise Financial Inc211,111$3.50M0.00%+711+0.3%Added
Amundi246,485$4.13M0.00%+246,485New
Bank of America Corp257,179$4.26M0.00%−58,245−18.5%Reduced
Hennessy Advisors Inc263,700$4.37M0.25%−9,400−3.4%Reduced
Two Sigma Investments, LP267,516$4.43M0.01%−249,931−48.3%Reduced
Nuveen Asset Management, LLC357,035$4.52M0.00%−14,991−4.0%Reduced
Principal Financial Group Inc335,831$5.56M0.00%−8,181−2.4%Reduced
Voloridge Investment Management, LLC353,432$5.85M0.03%−224,192−38.8%Reduced
Key Group Holdings (Cayman), Ltd.393,871$6.52M0.66%−117,793−23.0%Reduced
Goldman Sachs Group Inc409,678$6.78M0.00%+58,580+16.7%Added
Parametric Portfolio Associates LLC440,667$7.30M0.00%−43,000−8.9%Reduced
Bridgeway Capital Management, LLC450,000$7.45M0.14%00.0%Unchanged
New York State Common Retirement Fund488,772$8.09M0.01%−65,720−11.9%Reduced
Penn Capital Management Co Inc591,379$8.13M0.82%−11,014−1.8%Reduced
Bank of New York Mellon Corp498,057$8.25M0.00%−5,386−1.1%Reduced
Great Lakes Advisors, LLC508,902$8.43M0.13%−16,055−3.1%Reduced
Northern Trust Corp523,834$8.67M0.00%−13,990−2.6%Reduced
Norges Bank577,033$9.56M0.00%+63,200+12.3%Added
Charles Schwab Investment Management Inc599,737$9.93M0.00%+1,101+0.2%Added
Assenagon Asset Management S.A.696,360$11.5M0.04%+532,499+325.0%Added
Mountaineer Partners Management, LLC700,255$11.6M6.54%+700,255New
Royce & Associates LP784,338$13.0M0.10%−40,000−4.9%Reduced
Goldentree Asset Management LP882,520$14.6M0.76%+267,025+43.4%Added
Geode Capital Management, LLC950,633$15.7M0.00%+47,359+5.2%Added
Morgan Stanley996,572$16.5M0.00%−32,516−3.2%Reduced
Citadel Advisors LLC1,005,074$16.6M0.02%+574,907+133.6%Added
Mirae Asset Global Investments Co., Ltd.1,130,150$18.7M0.04%+147,795+15.0%Added
Invesco Ltd.1,328,331$22.0M0.01%+743,658+127.2%Added
Impala Asset Management LLC1,336,490$22.1M1.82%−420,599−23.9%Reduced
Fisher Asset Management, LLC2,410,791$39.9M0.02%+72,071+3.1%Added
William Blair Investment Management, LLC2,434,629$40.3M0.11%+813,593+50.2%Added
Dimensional Fund Advisors LP3,822,654$63.3M0.02%−196,854−4.9%Reduced
Vanguard Group Inc5,618,201$93.0M0.00%+48,281+0.9%Added
State Street Corp6,007,877$99.5M0.00%−168,333−2.7%Reduced
BlackRock Inc.8,391,213$139.0M0.00%+171,064+2.1%Added
IFP Advisors, Inc26––+26New
Maple Rock Capital Partners Inc.0$00.00%−1,080,000−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−192,798−100.0%Sold out
Ergoteles LLC0$00.00%−117,200−100.0%Sold out
Holocene Advisors, LP0$00.00%−85,378−100.0%Sold out
HRT Financial LP0$00.00%−73,765−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−61,710−100.0%Sold out
SG Americas Securities, LLC0$00.00%−52,668−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−46,200−100.0%Sold out
Truist Financial Corp0$00.00%−45,269−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−38,101−100.0%Sold out
Raymond James & Associates0$00.00%−20,136−100.0%Sold out
Harbour Investments, Inc.0$00.00%−10,500−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−2,262−100.0%Sold out
Cahill Financial Advisors Inc0$00.00%−447−100.0%Sold out
Allworth Financial LP0$00.00%−50−100.0%Sold out
Cordant, Inc.0$00.00%−44−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−70−100.0%Sold out