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
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
Robert F. HoffmanSVP IT and CAO2026-03-0410,000$56.33
$563.30kSell
International Ag Glencore10% Owner2026-03-046,315,245$51.75
$326.81MSell
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
John DezeeEVP GC and Secretary2026-02-2366,000$50.72
$3.35MSell

1 of 4

CENX insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when CENX insiders and whales buy or sell their stock.

CENX Shareholders

What type of owners hold Century Aluminum Co stock?

Institutional
Insider
Retail
NameHoldSharesValueType
International Ag Glencore41.83%41,397,009$1.92BInsider
Glencore PLC36.75%36,374,058$1.69BInsider
Glencore PLC36.38%36,005,947$1.67BInstitution
Givolon Ltd27.79%27,500,000$1.28BInsider
Ag Glencore11.82%11,701,321$543.88MInsider
Blackrock Inc9.58%9,484,567$440.84MInstitution
Vanguard Group Inc7.01%6,939,794$322.56MInstitution
State Street Corp4.34%4,295,711$199.66MInstitution
Sourcerock Group LLC3.66%3,621,984$168.35MInstitution
Dimensional Fund Advisors LP2.79%2,765,132$128.52MInstitution

1 of 3

CENX vs Aluminum Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CENX45.30%54.70%Net SellingNet Selling
CSTM92.09%1.51%Net SellingNet Selling
KALU96.56%3.44%Net SellingNet Selling
AA75.68%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, 121.76% 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 $2.08B.

If you're new to stock investing, here's how to buy Century Aluminum Co stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.