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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, Q1 2024

Institutional positions in Century Aluminum Co as of Mar 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
180
+9 vs. Q4 2023
Shares held
54.4M
−2.72M (−4.8%) vs. Q4 2023
Total value
$829.8M
+$136.4M (+19.7%) vs. Q4 2023
New holders
33
48 more added
Sold out
24
75 more reduced

Compare with Q4 2023: 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 holdersQ1 2024: 180 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 heldQ1 2024: $829.8M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2023.

Institutions holding CENX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Louisiana State Employees Retirement System25,600$394.0K0.01%−300−1.2%Reduced
LPL Financial LLC24,946$383.9K0.00%+8,813+54.6%Added
Franklin Resources Inc24,709$380.3K0.00%00.0%Unchanged
Quantbot Technologies LP24,702$380.2K0.02%−31,268−55.9%Reduced
MetLife Investment Management24,350$374.7K0.00%−3,480−12.5%Reduced
Integrated Wealth Concepts LLC23,596$363.1K0.01%−2,000−7.8%Reduced
Yousif Capital Management, LLC23,429$360.6K0.00%−2,300−8.9%Reduced
Janus Henderson Group PLC23,172$356.3K0.00%00.0%Unchanged
Comerica Bank22,846$351.6K0.00%−2,983−11.5%Reduced
Advisor Group Holdings, Inc.21,950$337.8K0.00%−9,000−29.1%Reduced
Maryland State Retirement & Pension System19,056$334.8K0.01%00.0%Unchanged
GTS Securities LLC20,217$311.1K0.01%−44,333−68.7%Reduced
Fox Run Management, L.L.C.20,007$307.9K0.07%+20,007New
Teachers Retirement System of the State of Kentucky17,936$276.0K0.00%00.0%Unchanged
Voya Investment Management LLC17,111$263.3K0.00%−4,443−20.6%Reduced
Amalgamated Bank16,751$258.0K0.00%−5,710−25.4%Reduced
Aquatic Capital Management LLC16,400$252.4K0.01%+16,400New
New York State Common Retirement Fund15,700$241.6K0.00%00.0%Unchanged
Arizona State Retirement System15,237$234.5K0.00%−259−1.7%Reduced
State Board of Administration of Florida Retirement System23,179$231.8K0.00%−40−0.2%Reduced
State of Tennessee, Treasury Department13,981$215.2K0.00%−3,402−19.6%Reduced
Oregon Public Employees Retirement Fund13,902$214.0K0.00%−1,200−7.9%Reduced
Everence Capital Management Inc13,620$210.0K0.01%00.0%Unchanged
Dynamic Technology Lab Private Ltd12,975$200.0K0.02%−7,870−37.8%Reduced
Pathstone Holdings, LLC11,989$184.5K0.00%+338+2.9%Added
XTX Topco Ltd11,637$179.1K0.02%−1,200−9.3%Reduced
Kestra Advisory Services, LLC11,208$172.5K0.00%+11,208New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys11,175$172.0K0.00%+8+0.1%Added
MQS Management LLC10,909$167.9K0.10%−4,539−29.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)10,644$163.8K0.00%−8,611−44.7%Reduced
ProShare Advisors LLC10,589$163.0K0.00%+10,589New
Capstone Investment Advisors, LLC10,443$160.7K0.00%+10,443New
Keebeck Alpha, LP10,318$158.8K0.10%+10,318New
AQR Capital Management LLC10,075$155.1K0.00%+10,075New
STRS Ohio9,200$141.0K0.00%+3,300+55.9%Added
Catalyst Funds Management Pty Ltd8,600$132.4K0.04%+8,600New
State of Wyoming7,508$115.5K0.02%+7,508New
Lazard Asset Management LLC7,187$110.0K0.00%−11,854−62.3%Reduced
Russell Investments Group, Ltd.7,013$107.9K0.00%+6,924+7,779.8%Added
Caption Management, LLC7,000$107.7K0.01%+7,000New
nVerses Capital, LLC7,000$107.7K0.26%+7,000New
Point72 Asset Management, L.P.6,800$104.7K0.00%−13,400−66.3%Reduced
Ameritas Investment Partners, Inc.5,191$79.9K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.3,166$48.7K0.00%00.0%Unchanged
FMR LLC2,993$46.1K0.00%+530+21.5%Added
Walleye Capital LLC2,934$45.2K0.00%+2,934New
GAMMA Investing LLC2,878$44.3K0.01%+1,918+199.8%Added
Metropolitan Life Insurance Co2,877$44.3K0.00%+3+0.1%Added
Covestor Ltd1,800$28.0K0.02%+1,787+13,746.2%Added
KBC Group NV1,767$27.0K0.00%−1,479−45.6%Reduced
Point72 Asia (Singapore) Pte. Ltd.1,681$25.9K0.01%+1,681New
Newbridge Financial Services Group, Inc.1,560$24.0K0.01%−2,012−56.3%Reduced
Quest Partners LLC1,331$20.5K0.00%+1,331New
Signaturefd, LLC1,206$18.6K0.00%+72+6.3%Added
Cutler Group LP1,175$18.0K0.01%−6,265−84.2%Reduced
Nisa Investment Advisors, LLC1,130$17.4K0.00%+53+4.9%Added
Exchange Traded Concepts, LLC1,016$15.6K0.00%−255−20.1%Reduced
Independence Bank of Kentucky1,000$15.4K0.00%00.0%Unchanged
Princeton Global Asset Management LLC1,000$15.4K0.00%00.0%Unchanged
Huntington National Bank888$13.7K0.00%+88+11.0%Added
Versant Capital Management, Inc601$9.25K0.00%00.0%Unchanged
Quadrant Capital Group LLC597$9.19K0.00%+344+136.0%Added
EverSource Wealth Advisors, LLC503$8.73K0.00%00.0%Unchanged
US Bancorp365$5.62K0.00%+149+69.0%Added
Quarry LP295$4.54K0.00%+295New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC265$4.08K0.00%+265New
Pineridge Advisors LLC222$3.42K0.00%−1,170−84.1%Reduced
Valley National Advisers Inc230$3.00K0.00%00.0%Unchanged
Continuum Advisory, LLC117$2.00K0.00%+117New
Capital Advisors, Ltd. LLC107$2.00K0.00%00.0%Unchanged
Farther Finance Advisors, LLC96$1.49K0.00%00.0%Unchanged
CWM, LLC43$1.00K0.00%+25+138.9%Added
Allworth Financial LP58$8930.00%−5,526−99.0%Reduced
Massmutual Trust Co FSB52$8000.00%−94−64.4%Reduced
Riggs Asset Managment Co. Inc.38$5850.00%+38New
Parallel Advisors, LLC36$5540.00%00.0%Unchanged
Farmers & Merchants Investments Inc33$5080.00%00.0%Unchanged
Umb Bank N A28$4310.00%+28New
Rothschild Investment LLC10$1540.00%+10New
Global Retirement Partners, LLC6$920.00%−2,400−99.8%Reduced
Marshall Wace, LLP0$00.00%−745,950−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−205,420−100.0%Sold out
Weiss Multi-Strategy Advisers LLC0$00.00%−170,478−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−149,669−100.0%Sold out
Walleye Trading LLC0$00.00%−123,101−100.0%Sold out
Semanteon Capital Management, LP0$00.00%−100,713−100.0%Sold out
Group One Trading, L.P.0$00.00%−90,646−100.0%Sold out
Crestline Management, LP0$00.00%−80,392−100.0%Sold out
Symmetry Investments LP0$00.00%−61,900−100.0%Sold out
Simplex Trading, LLC0$00.00%−55,166−100.0%Sold out
Intrua Financial, LLC0$00.00%−45,134−100.0%Sold out
Great Valley Advisor Group, Inc.0$00.00%−34,783−100.0%Sold out
Virtu Financial LLC0$00.00%−20,515−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−18,433−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−13,971−100.0%Sold out
Baird Financial Group, Inc.0$00.00%−12,072−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−11,003−100.0%Sold out
Leonteq Securities AG0$00.00%−10,500−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−2,266−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−1,636−100.0%Sold out