NASDAQ: CENX
Century Aluminum Co Stock Ownership - Who owns Century Aluminum Co?

Insider buying vs selling

Have Century Aluminum Co insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Peter A. TrpkovskiEVP CFO2026-03-2516,739$50.51
$845.49kSell
Jesse E. GaryPresident and CEO2026-03-16150,000$55.47
$8.32MSell
Kenneth L. CallowaySVP Human Resources2026-03-1218,000$58.00
$1.04MSell
Robert F. HoffmanSVP IT and CAO2026-03-1110,529$56.51
$594.99kSell
International Ag Glencore10% Owner2026-03-046,315,245$51.75
$326.81MSell
Robert F. HoffmanSVP IT and CAO2026-03-0410,000$56.33
$563.30kSell
Matt AboudSVP Strategy Business Devt2026-03-032,971$52.67
$156.48kSell
Matt AboudSVP Strategy Business Devt2026-03-0212,126$52.50
$636.62kSell
Agust F. HafbergSVP Chief Commercial Officer2026-02-2722,884$51.24
$1.17MSell
Gunnar GudlaugssonEVP - Global Operations2026-02-2543,000$54.10
$2.33MSell

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Net Insider Buy/Sell (L12M) Ownership

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CENX Shareholders

What type of owners hold Century Aluminum Co stock?

Institutional
Insider
Retail
NameHoldSharesValueType
International Ag Glencore41.83%41,397,009$2.51BInsider
Glencore PLC36.75%36,374,058$2.20BInsider
Glencore PLC36.38%36,005,947$2.18BInstitution
Givolon Ltd27.79%27,500,000$1.67BInsider
Ag Glencore11.82%11,701,321$708.87MInsider
Blackrock Inc9.58%9,484,567$574.58MInstitution
Vanguard Group Inc7.01%6,939,794$420.41MInstitution
State Street Corp4.34%4,295,711$260.23MInstitution
Sourcerock Group LLC3.66%3,621,984$219.42MInstitution
Dimensional Fund Advisors LP2.79%2,765,132$167.51MInstitution

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CENX vs Aluminum Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CENX45.31%54.69%Net SellingNet Selling
CSTM91.36%1.41%Net SellingNet Selling
KALU96.66%2.97%Net SellingNet Selling
AA75.67%6.00%Net SellingNet Selling

Century Aluminum Co Stock Ownership FAQ

Who owns Century Aluminum Co?

Century Aluminum Co (NASDAQ: CENX) is owned by 100.85% institutional shareholders, 121.75% Century Aluminum Co insiders, and 0.00% retail investors. International Ag Glencore is the largest individual Century Aluminum Co shareholder, owning 41.40M shares representing 41.83% of the company. International Ag Glencore's Century Aluminum Co shares are currently valued at $2.44B.

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