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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 2025

Institutional positions in Century Aluminum Co as of Mar 31, 2025. 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
218
+1 vs. Q4 2024
Shares held
92.4M
+474.2K (+0.5%) vs. Q4 2024
Total value
$1.72B
+$40.1M (+2.4%) vs. Q4 2024
New holders
50
68 more added
Sold out
49
80 more reduced

5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 218 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 2025: $1.72B
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 2025

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2024.

Institutions holding CENX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP693,752$12.9M0.00%+282,163+68.6%Added
Pertento Partners LLP733,885$13.6M1.63%+312,484+74.2%Added
Encompass Capital Advisors LLC750,000$13.9M0.53%+750,000New
Nuveen, LLC793,413$14.7M0.00%+793,413New
Impala Asset Management LLC932,154$17.3M13.29%+234,673+33.6%Added
Invesco Ltd.935,841$17.4M0.00%−973,692−51.0%Reduced
Woodline Partners LP1,040,812$19.3M0.13%+1,040,812New
Morgan Stanley1,135,039$21.1M0.00%+122,721+12.1%Added
Wexford Capital LP1,169,553$21.7M5.64%+1,169,553New
Geode Capital Management, LLC1,294,294$24.0M0.00%+15,436+1.2%Added
Fisher Asset Management, LLC1,323,593$24.6M0.01%−57,953−4.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.1,463,009$27.2M0.06%−604,225−29.2%Reduced
Citadel Advisors LLC1,986,643$36.9M0.04%+1,672,610+532.6%Added
Dimensional Fund Advisors LP2,837,851$52.7M0.01%−100,119−3.4%Reduced
State Street Corp3,239,240$60.1M0.00%−97,931−2.9%Reduced
Vanguard Group Inc5,714,400$106.1M0.00%−136,540−2.3%Reduced
BlackRock, Inc.9,892,685$183.6M0.00%−604,298−5.8%Reduced
Glencore plc40,038,031$743.1M88.62%+3,5930.0%Added
Moore Capital Management, LP0$00.00%−657,985−100.0%Sold out
Yaupon Capital Management LP0$00.00%−567,837−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−496,970−100.0%Sold out
Crestline Management, LP0$00.00%−436,997−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−360,573−100.0%Sold out
Nomura Holdings Inc0$00.00%−256,659−100.0%Sold out
Renaissance Technologies LLC0$00.00%−229,699−100.0%Sold out
Engine No. 1 LLC0$00.00%−136,000−100.0%Sold out
Man Group plc0$00.00%−134,574−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−131,183−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−126,700−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−121,682−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−120,586−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−119,400−100.0%Sold out
Cinctive Capital Management LP0$00.00%−85,530−100.0%Sold out
Hartree Partners, LP0$00.00%−45,274−100.0%Sold out
HITE Hedge Asset Management LLC0$00.00%−39,705−100.0%Sold out
Advisors Preferred, LLC0$00.00%−38,105−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−36,431−100.0%Sold out
Beryl Capital Management LLC0$00.00%−29,809−100.0%Sold out
Capital Fund Management S.A.0$00.00%−27,629−100.0%Sold out
Alpha DNA Investment Management LLC0$00.00%−24,503−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−21,329−100.0%Sold out
Dauntless Investment Group, LLC0$00.00%−21,250−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−21,207−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−20,944−100.0%Sold out
Cornercap Investment Counsel Inc0$00.00%−18,482−100.0%Sold out
XTX Topco Ltd0$00.00%−18,283−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−17,666−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−17,280−100.0%Sold out
Marshall Wace, LLP0$00.00%−17,194−100.0%Sold out
Aigen Investment Management, LP0$00.00%−17,143−100.0%Sold out
Capula Management Ltd0$00.00%−16,963−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−14,899−100.0%Sold out
Callan Family Office, LLC0$00.00%−13,748−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−13,011−100.0%Sold out
Pathstone Holdings, LLC0$00.00%−11,650−100.0%Sold out
Inceptionr LLC0$00.00%−11,355−100.0%Sold out
Corton Capital Inc.0$00.00%−10,369−100.0%Sold out
Caption Management, LLC0$00.00%−8,638−100.0%Sold out
New Age Alpha Advisors, LLC0$00.00%−2,148−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−1,787−100.0%Sold out
Clear Street Markets LLC0$00.00%−1,300−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−1,203−100.0%Sold out
Quarry LP0$00.00%−1,012−100.0%Sold out
R Squared Ltd0$00.00%−803−100.0%Sold out
Creative Planning0$00.00%−167−100.0%Sold out
WealthCollab, LLC0$00.00%−86−100.0%Sold out
IFP Advisors, Inc0$00.00%−3−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Caxton Associates LP––––Not filed
Vise Technologies, Inc.––––Not filed
Hanseatic Management Services Inc––––Not filed
Global Retirement Partners, LLC––––Not filed