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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, Q2 2024

Institutional positions in Century Aluminum Co as of Jun 30, 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
191
+13 vs. Q1 2024
Shares held
55.1M
+925.6K (+1.7%) vs. Q1 2024
Total value
$923.2M
+$96.5M (+11.7%) vs. Q1 2024
New holders
41
61 more added
Sold out
28
65 more reduced

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 191 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 heldQ2 2024: $923.2M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q1 2024.

Institutions holding CENX in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Global Retirement Partners, LLC6$1010.00%00.0%Unchanged
C M Bidwell & Associates Ltd25$4190.00%+25New
Innealta Capital, LLC26$4360.00%+26New
Rothschild Investment LLC30$5030.00%+20+200.0%Added
Farmers & Merchants Investments Inc33$5530.00%00.0%Unchanged
Parallel Advisors, LLC36$6030.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.38$6370.00%00.0%Unchanged
Abich Financial Wealth Management LLC47$7870.00%+47New
Massmutual Trust Co FSB52$8710.00%00.0%Unchanged
Fifth Third Bancorp53$8880.00%+53New
Allworth Financial LP58$9350.00%00.0%Unchanged
Umb Bank N A62$1.04K0.00%+34+121.4%Added
Farther Finance Advisors, LLC96$1.60K0.00%00.0%Unchanged
Continuum Advisory, LLC117$1.96K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC107$2.00K0.00%00.0%Unchanged
Smartleaf Asset Management LLC147$2.34K0.00%+147New
Valley National Advisers Inc230$3.00K0.00%00.0%Unchanged
Lindbrook Capital, LLC198$3.32K0.00%+198New
Pineridge Advisors LLC222$3.72K0.00%00.0%Unchanged
Cullen/Frost Bankers, Inc.231$3.87K0.00%+231New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC254$4.25K0.00%−11−4.2%Reduced
Hanseatic Management Services Inc334$5.59K0.01%+334New
US Bancorp365$6.11K0.00%00.0%Unchanged
Optiver Holding B.V.429$7.19K0.00%+429New
Leonteq Securities AG480$8.04K0.00%+480New
EverSource Wealth Advisors, LLC535$8.08K0.00%+32+6.4%Added
Versant Capital Management, Inc601$10.1K0.00%00.0%Unchanged
Quadrant Capital Group LLC689$11.5K0.00%+92+15.4%Added
Huntington National Bank879$14.7K0.00%−9−1.0%Reduced
Princeton Global Asset Management LLC1,000$16.8K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,005$16.8K0.00%+1,005New
Nisa Investment Advisors, LLC1,170$19.6K0.00%+40+3.5%Added
CWM, LLC1,173$20.0K0.00%+1,130+2,627.9%Added
Signaturefd, LLC1,206$20.2K0.00%00.0%Unchanged
KBC Group NV1,767$30.0K0.00%00.0%Unchanged
Covestor Ltd1,965$33.0K0.02%+165+9.2%Added
Exchange Traded Concepts, LLC2,488$41.7K0.00%+1,472+144.9%Added
Quest Partners LLC2,716$45.5K0.01%+1,385+104.1%Added
The PNC Financial Services Group, Inc.3,053$51.1K0.00%−113−3.6%Reduced
GAMMA Investing LLC3,114$52.2K0.01%+236+8.2%Added
FMR LLC3,207$53.7K0.00%+214+7.2%Added
EntryPoint Capital, LLC3,356$56.2K0.03%+3,356New
USA Financial Portformulas Corp3,384$56.7K0.01%+3,384New
Natixis4,444$74.4K0.00%+4,444New
Ameritas Investment Partners, Inc.5,191$86.9K0.00%00.0%Unchanged
Lazard Asset Management LLC7,187$120.0K0.00%00.0%Unchanged
Kestra Advisory Services, LLC10,154$170.1K0.00%−1,054−9.4%Reduced
STRS Ohio10,200$170.8K0.00%+1,000+10.9%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys11,186$187.4K0.00%+11+0.1%Added
Baird Financial Group, Inc.11,540$193.3K0.00%+11,540New
MQS Management LLC11,792$197.5K0.12%+883+8.1%Added
Walleye Trading LLC11,976$200.6K0.00%+11,976New
Pathstone Holdings, LLC12,057$202.0K0.00%+68+0.6%Added
Royal Bank of Canada12,569$211.0K0.00%−24,608−66.2%Reduced
Oregon Public Employees Retirement Fund12,602$211.1K0.00%−1,300−9.4%Reduced
Advisor Group Holdings, Inc.12,605$211.1K0.00%−9,345−42.6%Reduced
Walleye Capital LLC12,859$215.4K0.00%+9,925+338.3%Added
Corton Capital Inc.12,868$215.5K0.11%+12,868New
Guggenheim Capital LLC13,255$222.0K0.00%+13,255New
Kepos Capital LP13,576$227.0K0.09%+13,576New
State of Tennessee, Treasury Department13,981$234.2K0.00%00.0%Unchanged
Everence Capital Management Inc13,620$236.0K0.02%00.0%Unchanged
Prelude Capital Management, LLC15,130$253.4K0.02%−20,929−58.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)15,242$255.3K0.00%+4,598+43.2%Added
Arizona State Retirement System15,522$260.0K0.00%+285+1.9%Added
Amalgamated Bank15,575$261.0K0.00%−1,176−7.0%Reduced
Cerity Partners LLC16,178$271.0K0.00%−12,421−43.4%Reduced
Aigen Investment Management, LP16,574$277.6K0.05%+16,574New
Point72 Asia (Singapore) Pte. Ltd.17,000$284.7K0.06%+15,319+911.3%Added
Voya Investment Management LLC17,568$294.3K0.00%+457+2.7%Added
Teachers Retirement System of the State of Kentucky17,936$301.0K0.00%00.0%Unchanged
Maryland State Retirement & Pension System18,100$303.2K0.01%−956−5.0%Reduced
Integrated Wealth Concepts LLC18,396$308.1K0.00%−5,200−22.0%Reduced
Los Angeles Capital Management LLC19,765$331.1K0.00%−113,963−85.2%Reduced
Comerica Bank20,388$341.5K0.00%−2,458−10.8%Reduced
Yousif Capital Management, LLC21,061$352.8K0.00%−2,368−10.1%Reduced
Tower Research Capital LLC (TRC)21,311$357.0K0.01%−6,879−24.4%Reduced
Russell Investments Group, Ltd.21,656$362.7K0.00%+14,643+208.8%Added
LPL Financial LLC21,799$365.1K0.00%−3,147−12.6%Reduced
Janus Henderson Group PLC22,906$383.6K0.00%−266−1.1%Reduced
State Board of Administration of Florida Retirement System23,219$388.9K0.00%+40+0.2%Added
Atom Investors LP24,168$404.8K0.04%+24,168New
Verition Fund Management LLC24,414$408.9K0.00%−59,726−71.0%Reduced
SEI Investments Co24,849$416.2K0.00%+24,849New
HRT Financial LP25,698$430.0K0.00%+25,698New
Louisiana State Employees Retirement System26,100$437.2K0.01%+500+2.0%Added
Jennison Associates LLC26,545$444.6K0.00%+26,545New
Barclays PLC26,571$445.1K0.00%−23,192−46.6%Reduced
Manufacturers Life Insurance Company, The27,893$467.2K0.00%+1,335+5.0%Added
Franklin Resources Inc27,917$467.6K0.00%+3,208+13.0%Added
Numerai GP LLC28,912$484.3K0.18%−23,812−45.2%Reduced
MetLife Investment Management29,358$491.7K0.00%+5,008+20.6%Added
State of Alaska, Department of Revenue30,479$510.0K0.01%−1,045−3.3%Reduced
Corebridge Financial, Inc.30,585$512.3K0.00%+30,585New
Hartree Partners, LP33,500$561.1K0.14%+33,500New
Price T Rowe Associates Inc33,763$566.0K0.00%−250−0.7%Reduced
Illinois Municipal Retirement Fund33,828$566.6K0.01%+4,996+17.3%Added
Intech Investment Management LLC34,648$580.4K0.01%+34,648New
Susquehanna International Group, LLP36,008$603.1K0.00%−39,892−52.6%Reduced
Citigroup Inc36,303$608.1K0.00%−187−0.5%Reduced