CENXCentury Aluminum Company

$43.96

Who owns CENX

374 institutions reported holding CENX for 2026Q1, together 96% of the company, more than the 323 a quarter earlier.

374

Institutions reporting a position · as of 2026Q1 · up from 323 the quarter before

Shares held by institutions
100.4M

Shares held by institutions · 96% of the company · long US equity positions only, as reported on Form 13F

Reported value
$5.89B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
51%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
98
Positions exited
51
Added to
120
Reduced
111
Top 10 holdersof the company
61%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q1374100.4M$5.89B
2025Q432399.8M$3.91B
2025Q325496.5M$2.83B
2025Q221995.5M$1.72B
2025Q121792.4M$1.72B
2024Q422292.4M$1.68B
2024Q319655.0M$892M
2024Q219155.1M$923M
2024Q117954.4M$830M
2023Q417157.1M$693M
2023Q316152.6M$378M
2023Q215950.3M$439M
2023Q116651.8M$518M
2022Q416851.8M$424M
2022Q317350.8M$269M
2022Q216956.5M$416M
Largest reported holders, 2026Q1
HolderShares% of companyValue
Glencore plc29.7M28%$1.74B
BlackRock Inc.9.0M8.6%$529M
VANGUARD GROUP INC7.3M7.0%$429M
STATE STREET CORP4.7M4.5%$274M
Sourcerock Group LLC2.7M2.6%$158M
FMR LLC2.7M2.5%$156M
DIMENSIONAL FUND ADVISORS LP2.2M2.1%$129M
Invesco Ltd.2.1M2.0%$122M
MILLENNIUM MANAGEMENT LLC2.0M1.9%$117M
Assenagon Asset Management S.A.1.8M1.8%$107M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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