Century Aluminum CompanyCENX

13F holders, Q3 2025 (September 30)
255holders +34
67new positions
33sold out
7famous investors
$29.36avg. 13F price*

At the end of Q3 2025, 255 institutions reported holding Century Aluminum Company (CENX) in their 13F filings, up 34 from Q2 2025. 67 opened new positions and 33 sold out. The largest holders were Glencore plc ($1.2B), BlackRock, Inc. ($297.4M) and Vanguard Group Inc. ($171.6M). 7 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Century Aluminum Company
CUSIP
156431108
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400500 Q1 2024: 180Q1 2024Q2 2024: 191Q2 2024Q3 2024: 197Q3 2024Q4 2024: 222Q4 2024Q1 2025: 218Q1 2025Q2 2025: 221Q2 2025Q3 2025: 255Q3 2025Q4 2025: 326Q4 2025Q1 2026: 387Q1 2026Q2 2026: 415Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions67$71.0M
Exits33$39.1M

All 13F filers, Q2 2025 → Q3 2025: 9,926,894 shares bought and 8,946,290 shares sold, net +980,604 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 255 holders

Glencore plc 29.67% Add +0.0% 40,057,356 $1.2B
BlackRock, Inc. 0.01% Reduce -0.3% 10,127,959 $297.4M
Vanguard Group Inc. 0.00% Add +1.3% 5,845,537 $171.6M
State Street Corp. 0.00% Add +15.1% 4,217,816 $123.8M
Dimensional Fund Advisors LP 0.02% Reduce -0.3% 3,061,234 $89.9M
Sourcerock Group LLC 5.27% Add +85.4% 2,640,465 $77.5M
Citadel Advisors 0.04% Reduce -21.7% 1,505,696 $44.2M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.07% Add +2.0% 1,457,401 $42.8M
Morgan Stanley 0.00% Add +68.9% 1,432,363 $42.1M
Geode Capital Management, LLC 0.00% Add +1.4% 1,318,996 $38.7M
Boston Partners 0.03% Reduce -34.3% 1,139,661 $33.5M
Fisher Asset Management 0.01% Reduce -9.1% 966,575 $28.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% Add +123.9% 859,900 $25.2M
Invesco Ltd. 0.00% Add +58.1% 849,522 $24.9M
Qube Research & Technologies Ltd 0.03% Add +52.1% 823,130 $24.2M
Encompass Capital Advisors LLC 1.07% Add +676.0% 811,162 $23.8M
Voloridge Investment Management, LLC 0.08% Add +47.1% 796,883 $23.4M
American Century Companies Inc. 0.01% Add +392.3% 767,692 $22.5M
Impala Asset Management LLC 12.56% Reduce -14.3% 689,000 $20.2M
Mountaineer Partners Management, LLC 11.29% Reduce -6.3% 661,043 $19.4M
Goldman Sachs Group Inc. 0.00% Add +144.8% 550,103 $16.2M
Charles Schwab Investment Management Inc. 0.00% Reduce -1.7% 542,290 $15.9M
Northern Trust Corp. 0.00% Add +1.9% 518,162 $15.2M
UBS Group AG 0.00% Reduce -12.7% 474,477 $13.9M
Steamboat Capital Partners, LLC 3.62% Add +146.6% 471,929 $13.9M
Millennium Management 0.01% Reduce -13.6% 442,673 $13.0M
JPMorgan Chase & Co. 0.00% Add +188.5% 424,252 $12.5M
Assenagon Asset Management S.A. 0.02% Add +103.1% 407,939 $12.0M
Bank of America Corp. 0.00% Reduce -60.4% 397,231 $11.7M
South Dakota Investment Council 0.22% Reduce -13.1% 381,161 $11.2M
Renaissance Technologies 0.01% Add +134.6% 365,099 $10.7M
Principal Financial Group Inc. 0.01% Add +35.4% 350,858 $10.3M
First Eagle Investment Management, LLC 0.02% Add +0.6% 340,153 $10.0M
Bank of New York Mellon Corp 0.00% Reduce -1.9% 336,880 $9.9M
CSM Advisors, LLC 0.24% Add +13.8% 298,204 $8.8M
Adage Capital Partners Gp, L.L.C. 0.01% Add +1.7% 295,000 $8.7M
Royal Bank of Canada 0.00% Reduce -4.8% 270,467 $7.9M
Russell Investments Group, Ltd. 0.01% Add +3.1% 258,005 $7.6M
Icon Advisers Inc. 1.57% Reduce -25.6% 242,000 $7.1M
Woodline Partners LP 0.03% Reduce -82.9% 220,264 $6.5M
Susquehanna International Group, LLP 0.01% Add +242.5% 218,151 $6.4M
Hartree Partners, LP 2.22% Add +11.5% 217,765 $6.4M
Jefferies Financial Group Inc. 0.06% New 213,350 $6.3M
Public Sector Pension Investment Board 0.02% Add +16.5% 207,521 $6.1M
Wexford Capital LP 1.83% Reduce -86.0% 206,513 $6.1M
Congress Asset Management Co. 0.04% Reduce -6.6% 202,609 $5.9M
D. E. Shaw & Co. 0.01% Reduce -25.0% 201,594 $5.9M
Cohen & Steers, Inc. 0.01% Add +1.6% 199,000 $5.8M
Wellington Management Group LLP 0.00% Reduce -80.2% 194,094 $5.7M
Trexquant Investment LP 0.06% New 189,355 $5.6M
Monaco Asset Management SAM 1.88% Reduce -26.6% 168,752 $5.0M
Jane Street Group, LLC 0.01% Add +7.5% 166,246 $4.9M
Edgestream Partners, L.P. 0.13% New 156,867 $4.6M
Wells Fargo & Company 0.00% Add +35.8% 156,420 $4.6M
Invenomic Capital Management LP 0.24% New 155,269 $4.6M
Baird Financial Group, Inc. 0.01% New 154,578 $4.5M
Wealth High Governance Capital Ltda 1.26% New 150,000 $4.4M
Royce & Associates LP 0.04% New 148,460 $4.4M
Rhumbline Advisers 0.00% Add +0.1% 147,254 $4.3M
Campbell & CO Investment Adviser LLC 0.32% Add +620.8% 143,144 $4.2M
Ameriprise Financial Inc. 0.00% Add +9.7% 142,809 $4.2M
Legal & General Group Plc 0.00% Add +0.7% 133,399 $3.9M
Raymond James Financial Inc. 0.00% Add +5.1% 129,720 $3.8M
State of Wisconsin Investment Board 0.01% Reduce -37.3% 127,700 $3.7M
Cubist Systematic Strategies, LLC 0.05% New 120,344 $3.5M
Boothbay Fund Management, LLC 0.09% Add +66.7% 119,918 $3.5M
Nuveen, LLC 0.00% Reduce -1.8% 116,653 $3.4M
BNP Paribas Financial Markets 0.00% Add +2.0% 116,219 $3.4M
Walleye Trading LLC 0.05% Add +4124.9% 114,072 $3.3M
Swiss National Bank 0.00% Add +2.5% 108,450 $3.2M
Amitell Capital Pte Ltd 2.34% New 108,000 $3.2M
Victory Capital Management Inc. 0.00% Add +8.3% 106,007 $3.1M
Deutsche Bank AG 0.00% Add +4.6% 104,986 $3.1M
BW Gestao de Investimentos Ltda. 0.22% New 100,000 $2.9M
CoreCommodity Management, LLC 0.46% Reduce -57.4% 86,832 $2.5M
Barclays PLC 0.00% Reduce -17.6% 86,330 $2.5M
Thomist Capital Management, LP 0.77% Reduce -62.1% 83,991 $2.5M
Verition Fund Management LLC 0.01% Reduce -70.7% 83,318 $2.4M
Sei Investments Co. 0.00% Add +293.6% 82,373 $2.4M
New York State Teachers Retirement System 0.00% No change 81,728 $2.4M
Intech Investment Management LLC 0.02% Reduce -20.1% 79,273 $2.3M
Lombard Odier Asset Management (USA) Corp 0.60% Add +26.6% 76,500 $2.2M
Headlands Technologies LLC 0.17% Add +378.1% 71,691 $2.1M
LMR Partners LLP 0.04% Reduce -32.7% 70,000 $2.1M
Voleon Capital Management LP 0.05% New 68,030 $2.0M
Alliancebernstein L.P. 0.00% Reduce -6.3% 66,243 $1.9M
AQR Capital Management 0.00% Add +20.9% 66,073 $1.9M
Caxton Associates LLP 0.05% New 62,357 $1.8M
Aldebaran Capital, LLC 1.61% Reduce -2.6% 59,565 $1.7M
LPL Financial LLC 0.00% Add +460.8% 59,272 $1.7M
Prudential Financial Inc. 0.00% Reduce -40.9% 58,077 $1.7M
Brevan Howard Capital Management LP 0.02% Reduce -34.7% 55,723 $1.6M
Algert Global LLC 0.03% Add +0.8% 53,943 $1.6M
Engineers Gate Manager LP 0.02% New 51,881 $1.5M
California State Teachers Retirement System 0.00% Add +6.8% 51,243 $1.5M
Y-Intercept (Hong Kong) Ltd 0.04% New 50,114 $1.5M
State of Wyoming 0.17% Reduce -35.7% 49,828 $1.5M
Osaic Holdings, Inc. 0.00% Add +261.3% 60,601 $1.5M
T. Rowe Price Associates Inc. 0.00% Add +6.5% 49,508 $1.5M
WINTON GROUP Ltd 0.05% Reduce -42.1% 48,912 $1.4M
Franklin Resources Inc. 0.00% Add +3.6% 46,548 $1.4M
CANADA LIFE ASSURANCE Co 0.00% Reduce -7.0% 44,856 $1.3M
Schonfeld Strategic Advisors LLC 0.01% New 44,348 $1.3M
Squarepoint Ops LLC 0.00% Reduce -82.5% 44,292 $1.3M
SummerHaven Investment Management, LLC 0.74% New 43,479 $1.3M
Segall Bryant & Hamill, LLC 0.02% New 41,569 $1.2M
Parallax Volatility Advisers, L.P. 0.04% New 39,616 $1.2M
Thrivent Financial for Lutherans 0.00% Reduce -0.1% 38,382 $1.1M
Occudo Quantitative Strategies LP 0.13% New 36,739 $1.1M
Numerai GP LLC 0.14% Add +57.9% 33,997 $998K
Quantbot Technologies LP 0.03% Reduce -18.3% 33,829 $993K
New Century Financial Group, LLC 1.75% New 33,623 $987K
Teacher Retirement System of Texas 0.00% Reduce -16.1% 33,249 $976K
Group One Trading LLC 0.03% New 32,275 $948K
Convergence Investment Partners, LLC 0.21% New 32,078 $942K
MetLife Investment Management, LLC 0.00% No change 31,298 $919K
State of Alaska, Department of Revenue 0.01% Reduce -3.1% 30,163 $884K
OMERS ADMINISTRATION Corp 0.01% New 30,100 $884K
Cambria Investment Management, L.P. 0.05% Add +25.0% 29,842 $876K
Bank of Montreal 0.00% Reduce -25.7% 29,822 $876K
Illinois Municipal Retirement Fund 0.01% Add +20.5% 27,376 $804K
Aberdeen Group plc 0.00% Add +109.3% 27,297 $801K
Entropy Technologies, LP 0.06% New 26,123 $767K
PFG Advisors 0.03% New 25,911 $761K
Manufacturers Life Insurance Company, The 0.00% Add +29.2% 25,174 $739K
HSBC Holdings PLC 0.00% Reduce -52.5% 24,890 $731K
Quarry LP 0.19% Add +9702.0% 24,701 $725K
Louisiana State Employees Retirement System 0.01% Add +0.4% 24,500 $719K
Lighthouse Investment Partners, LLC 0.03% Reduce -66.8% 24,479 $719K
CenterBook Partners LP 0.03% New 24,003 $705K
State Board of Administration of Florida Retirement System 0.00% No change 23,219 $682K
Janus Henderson Group PLC 0.00% No change 22,906 $672K
Gotham Asset Management 0.00% Add +35.7% 22,586 $663K
Sheets Smith Investment Management 0.42% New 22,196 $652K
Allspring Global Investments Holdings, LLC 0.00% New 21,779 $640K
Wolverine Trading, LLC 0.01% New 21,227 $624K
SG Americas Securities, LLC 0.00% Add +114.1% 20,637 $606K
Gsa Capital Partners LLP 0.05% Reduce -27.8% 20,057 $589K
XTX Topco Ltd 0.03% Add +74.9% 20,054 $589K
Hodges Capital Management Inc. 0.05% No change 20,000 $587K
Natixis Advisors, LLC 0.00% Add +4.2% 19,859 $583K
Perennial Advisors, LLC 0.10% Reduce -34.0% 19,368 $569K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +40.6% 17,678 $519K
Scientech Research LLC 0.18% New 17,660 $518K
Massar Capital Management, LP 0.18% New 17,250 $506K
Citigroup Inc. 0.00% Reduce -63.4% 16,849 $495K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% Reduce -36.7% 16,700 $490K
Arizona State Retirement System 0.00% Add +2.5% 16,562 $486K
Yousif Capital Management, LLC 0.01% Reduce -15.1% 16,453 $483K
Comerica Bank 0.00% Reduce -14.0% 16,216 $476K
Integrated Wealth Concepts LLC 0.00% Reduce -8.7% 16,106 $473K
Federated Hermes, Inc. 0.00% Reduce -31.3% 15,416 $453K
Amalgamated Bank 0.00% Add +3.7% 15,376 $451K
New York State Common Retirement Fund 0.00% No change 15,344 $451K
Oxford Asset Management LLP 0.15% New 15,108 $444K
Teachers Retirement System of the State of Kentucky 0.00% Reduce -17.3% 14,827 $435K
Callan Family Office, LLC 0.01% No change 14,706 $432K
Police & Firemen's Retirement System of New Jersey 0.00% Add +21.1% 14,466 $425K
Jump Financial, LLC 0.01% Reduce -77.8% 14,409 $423K
Neuberger Berman Group LLC 0.00% Reduce -2.6% 13,612 $400K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +1.0% 13,549 $398K
Lido Advisors, LLC 0.00% Add +1.1% 12,715 $373K
Three Seasons Wealth, LLC 0.04% Reduce -49.5% 12,639 $371K
State of Tennessee, Department of Treasury 0.00% No change 12,620 $371K
Oregon Public Employees Retirement Fund 0.00% No change 12,002 $352K
Creative Planning 0.00% New 11,163 $328K
Pathstone Holdings, LLC 0.00% New 11,152 $327K
KLP Kapitalforvaltning As 0.00% No change 10,900 $320K
Vanguard Personalized Indexing Management, LLC 0.00% Reduce -5.2% 10,669 $313K
Park Avenue Securities LLC 0.00% Reduce -51.5% 10,236 $301K
Quantinno Capital Management LP 0.00% New 10,168 $299K
Commonwealth Equity Services, LLC 0.00% New 10,032 $295K
AlphaQuest LLC 0.02% Reduce -8.8% 9,984 $293K
ProShare Advisors LLC 0.00% Reduce -14.6% 9,961 $292K
PharVision Advisers, LLC 0.16% New 9,879 $290K
Voya Investment Management LLC 0.00% Reduce -34.2% 9,452 $278K
Sheets Smith Wealth Management 0.03% New 9,349 $274K
Polymer Capital Management (US) LLC 0.04% Reduce -60.4% 9,297 $273K
Mercer Global Advisors Inc. 0.00% New 9,296 $273K
Guggenheim Capital LLC 0.00% New 9,254 $272K
Cerity Partners LLC 0.00% New 9,226 $271K
Covestor Ltd 0.13% Reduce -23.2% 7,899 $232K
Praxis Investment Management Inc. 0.01% New 7,750 $228K
Maryland State Retirement & Pension System 0.00% Reduce -49.9% 7,613 $224K
Journey Strategic Wealth LLC 0.01% New 7,550 $222K
Fox Run Management, L.L.C. 0.03% Reduce -79.4% 7,324 $215K
Madrona Financial Services, LLC 0.05% New 7,250 $213K
Axq Capital, LP 0.08% New 7,125 $209K
FNY Investment Advisers, LLC 0.07% New 7,140 $209K
Vise Technologies, Inc. 0.01% New 7,071 $208K
EntryPoint Capital, LLC 0.08% New 7,039 $207K
GTS Securities LLC 0.01% New 6,925 $203K
FMR LLC 0.00% Add +2.0% 5,921 $174K
PNC Financial Services Group, Inc. 0.00% Add +2.6% 4,527 $133K
Ameritas Investment Partners, Inc. 0.00% Reduce -15.0% 4,414 $130K
GAMMA Investing LLC 0.01% Reduce -1.2% 4,182 $123K
Mark Sheptoff Financial Planning, LLC 0.06% New 4,100 $120K
Tower Research Capital LLC (TRC) 0.00% Reduce -68.3% 3,839 $113K
Point72 Asia (Singapore) Pte. Ltd. 0.02% New 3,823 $112K
Point72 (DIFC) Ltd 0.01% New 3,502 $103K
CoreCap Advisors, LLC 0.00% Reduce -31.7% 3,343 $98K
EverSource Wealth Advisors, LLC 0.00% Reduce -5.4% 1,723 $51K
Cwm, LLC 0.00% Add +26.4% 1,592 $47K
Signaturefd, LLC 0.00% No change 1,460 $43K
Arax Advisory Partners 0.00% Add +2452.6% 1,455 $43K
Farther Finance Advisors, LLC 0.00% Reduce -13.9% 1,174 $34K
Advisory Services Network, LLC 0.00% New 1,153 $34K
Assetmark, Inc. 0.00% Reduce -1.6% 998 $29K
Rockefeller Capital Management L.P. 0.00% New 880 $26K
Nisa Investment Advisors, LLC 0.00% Add +25.9% 859 $25K
Huntington National Bank 0.00% No change 800 $23K
Northwestern Mutual Wealth Management Co. 0.00% New 800 $23K
Smartleaf Asset Management LLC 0.00% Add +14.5% 799 $23K
Quadrant Capital Group LLC 0.00% New 795 $23K
Larson Financial Group LLC 0.00% Add +43.2% 749 $22K
Hantz Financial Services, Inc. 0.00% Add +97.5% 721 $21K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% No change 574 $17K
Versant Capital Management, Inc 0.00% No change 508 $15K
MAI Capital Management 0.00% Reduce -13.1% 490 $14K
Grove Bank & Trust 0.00% New 457 $13K
Salomon & Ludwin, LLC 0.00% New 374 $11K
US Bancorp \de 0.00% Reduce -11.8% 365 $11K
NewEdge Advisors, LLC 0.00% Add +178.1% 317 $9K
UMB Bank, n.a. 0.00% Add +46.6% 305 $9K
Optiver Holding B.V. 0.00% Add +36.8% 290 $9K
Wealthspire Advisors, LLC 0.00% New 286 $8K
WPG Advisers, LLC 0.01% New 276 $8K
Principal Securities, Inc. 0.00% No change 200 $6K
Jones Financial Companies LLLP 0.00% Reduce -83.0% 201 $6K
Fifth Third Bancorp 0.00% Reduce -7.6% 182 $5K
Bessemer Group Inc. 0.00% Add +142.3% 189 $5K
Physician Wealth Advisors, Inc. 0.00% No change 151 $4K
Harbor Capital Advisors, Inc. 0.00% Reduce -63.1% 150 $4K
Sterling Capital Management LLC 0.00% Add +4.1% 128 $4K
Rothschild Investment LLC 0.00% Reduce -16.7% 125 $4K
Fortitude Family Office, LLC 0.00% No change 124 $4K
MassMutual Private Wealth & Trust, FSB 0.00% No change 117 $3K
S&T Bank 0.00% New 107 $3K
Capital Advisors, Ltd. LLC 0.00% No change 107 $3K
Kilter Group LLC 0.00% New 74 $2K
Annis Gardner Whiting Capital Advisors, LLC 0.00% Add +242.1% 65 $2K
Allworth Financial LP 0.00% New 63 $2K
Walleye Capital LLC 0.00% New 61 $2K
Clearstead Advisors, LLC 0.00% No change 57 $2K
Parkside Financial Bank & Trust 0.00% No change 52 $2K
Parallel Advisors, LLC 0.00% No change 36 $1K
Farmers & Merchants Investments Inc. 0.00% No change 33 $969
SBI Securities Co., Ltd. 0.00% Reduce -54.3% 32 $940
Clearstead Trust, LLC 0.00% No change 30 $881
JPL Wealth Management, LLC 0.00% New 30 $881
Essential Partners LLC 0.00% New 20 $587
IFP Advisors, Inc 0.00% Add +0.0% 12 $352
Cedar Mountain Advisors, LLC 0.00% New 10 $294
True Wealth Design, LLC 0.00% No change 7 $206
Global Retirement Partners, LLC 0.00% No change 6 $176

"% of holder's portfolio" is CENX's weight in each manager's 13F, not the share of Century Aluminum Company the manager owns.