Skip to main content

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, Q2 2023

Institutional positions in Century Aluminum Co as of Jun 30, 2023. 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
160
−8 vs. Q1 2023
Shares held
50.3M
−1.50M (−2.9%) vs. Q1 2023
Total value
$438.5M
−$79.6M (−15.4%) vs. Q1 2023
New holders
19
48 more added
Sold out
27
63 more reduced

Compare with Q1 2023: 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 holdersQ2 2023: 160 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 heldQ2 2023: $438.5M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q1 2023.

Institutions holding CENX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd16$00.00%−1−5.9%Reduced
Allworth Financial LP4$350.00%+4New
Parkside Financial Bank & Trust15$1310.00%00.0%Unchanged
Farmers & Merchants Investments Inc33$2880.00%00.0%Unchanged
Parallel Advisors, LLC36$3140.00%−52−59.1%Reduced
Lindbrook Capital, LLC38$3310.00%00.0%Unchanged
Bessemer Group Inc90$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC107$1.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB191$1.67K0.00%00.0%Unchanged
Spire Wealth Management201$1.75K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC241$2.10K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.346$3.00K0.00%+216+166.2%Added
Signaturefd, LLC383$3.34K0.00%−27−6.6%Reduced
US Bancorp386$3.37K0.00%−75−16.3%Reduced
First Horizon Advisors, Inc.434$3.78K0.00%00.0%Unchanged
CWM, LLC439$4.00K0.00%+133+43.5%Added
Versant Capital Management, Inc700$6.10K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC791$6.90K0.00%+132+20.0%Added
Huntington National Bank800$6.98K0.00%00.0%Unchanged
West Tower Group, LLC862$7.52K0.01%+862New
Independence Bank of Kentucky1,000$8.72K0.00%00.0%Unchanged
Headlands Technologies LLC1,058$9.23K0.00%+1,058New
STRS Ohio1,200$10.0K0.00%−2,500−67.6%Reduced
Public Employees Retirement System of Ohio1,631$14.0K0.00%+128+8.5%Added
FMR LLC2,000$17.4K0.00%−572−22.2%Reduced
Quadrant Capital Group LLC2,114$18.4K0.00%−1,910−47.5%Reduced
Metropolitan Life Insurance Co2,874$25.1K0.00%+727+33.9%Added
Global Retirement Partners, LLC3,184$27.8K0.00%00.0%Unchanged
State of Wyoming3,217$28.1K0.01%+3,217New
Nisa Investment Advisors, LLC3,873$33.8K0.00%00.0%Unchanged
KBC Group NV3,947$34.0K0.00%−897−18.5%Reduced
Ameritas Investment Partners, Inc.4,012$35.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.4,047$35.3K0.00%+57+1.4%Added
IFP Advisors, Inc2,143$38.0K0.00%+320+17.6%Added
Leonteq Securities AG5,000$43.6K0.00%00.0%Unchanged
UBS Group AG6,169$53.8K0.00%−65,651−91.4%Reduced
Newbridge Financial Services Group, Inc.6,593$57.5K0.03%−375−5.4%Reduced
Allspring Global Investments Holdings, LLC6,702$58.4K0.00%−4,809−41.8%Reduced
Simplex Trading, LLC8,039$70.0K0.00%+8,039New
Amundi7,751$70.4K0.00%−457−5.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)8,410$73.3K0.00%00.0%Unchanged
Everence Capital Management Inc11,200$88.0K0.01%00.0%Unchanged
Mutual of America Capital Management LLC10,098$88.1K0.00%−436−4.1%Reduced
Advisor Partners II, LLC10,829$94.4K0.00%−1,401−11.5%Reduced
Counterpoint Mutual Funds LLC11,320$98.7K0.09%−8,577−43.1%Reduced
Baird Financial Group, Inc.13,604$118.6K0.00%+13,604New
Guggenheim Capital LLC13,981$121.9K0.00%−5,116−26.8%Reduced
Aquatic Capital Management LLC14,600$127.0K0.01%+1,500+11.5%Added
Arizona State Retirement System15,559$135.7K0.00%+1,002+6.9%Added
LPL Financial LLC15,833$138.1K0.00%+1,500+10.5%Added
New York State Common Retirement Fund16,102$140.4K0.00%−41,136−71.9%Reduced
Oregon Public Employees Retirement Fund16,102$140.4K0.00%−900−5.3%Reduced
State of Tennessee, Treasury Department17,383$151.6K0.00%00.0%Unchanged
CoreCommodity Management, LLC17,644$153.9K0.05%00.0%Unchanged
Wolverine Trading, LLC17,779$156.3K0.00%+17,779New
Teachers Retirement System of the State of Kentucky17,936$157.0K0.00%+898+5.3%Added
Mariner, LLC18,028$157.2K0.00%+3,364+22.9%Added
Maryland State Retirement & Pension System20,143$175.6K0.00%−944−4.5%Reduced
Verition Fund Management LLC20,660$180.2K0.00%+20,660New
Voya Investment Management LLC20,858$181.9K0.00%+522+2.6%Added
Keebeck Alpha, LP22,309$194.5K0.19%+22,309New
Manufacturers Life Insurance Company, The22,612$197.2K0.00%+970+4.5%Added
HSBC Holdings PLC22,629$198.2K0.00%+22,629New
State Board of Administration of Florida Retirement System23,169$202.0K0.00%−100.0%Reduced
Janus Henderson Group PLC23,372$203.9K0.00%+136+0.6%Added
Amalgamated Bank23,692$207.0K0.00%+380+1.6%Added
Jade Capital Advisors, LLC25,000$218.0K0.17%00.0%Unchanged
Franklin Resources Inc25,468$222.1K0.00%+25,468New
Prelude Capital Management, LLC25,631$223.5K0.02%+25,631New
Millennium Management LLC26,279$229.2K0.00%−6,968−21.0%Reduced
Louisiana State Employees Retirement System27,100$236.3K0.01%+3,300+13.9%Added
Tower Research Capital LLC (TRC)27,214$237.3K0.01%+19,890+271.6%Added
Yousif Capital Management, LLC27,459$239.4K0.00%−1,102−3.9%Reduced
MetLife Investment Management27,830$242.7K0.00%00.0%Unchanged
Integrated Wealth Concepts LLC28,096$245.0K0.00%00.0%Unchanged
American International Group, Inc.28,212$246.0K0.00%−100−0.4%Reduced
Jaffetilchin Investment Partners, LLC28,754$250.7K0.03%+6,844+31.2%Added
Price T Rowe Associates Inc29,931$261.0K0.00%+1,133+3.9%Added
Royal Bank of Canada30,592$267.0K0.00%−4,483−12.8%Reduced
State of Alaska, Department of Revenue34,018$296.0K0.00%−1,011−2.9%Reduced
XTX Topco Ltd34,108$297.4K0.05%+34,108New
American Century Companies Inc34,563$301.4K0.00%+6,535+23.3%Added
PEAK6 Investments LLC36,127$315.0K0.03%−1,606−4.3%Reduced
Advisor Group Holdings, Inc.36,311$316.6K0.00%−413−1.1%Reduced
Jacobs Levy Equity Management, Inc37,310$325.3K0.00%+37,310New
Citigroup Inc39,220$342.0K0.00%+14,144+56.4%Added
Great Valley Advisor Group, Inc.41,483$361.7K0.02%+700+1.7%Added
Texas Permanent School Fund45,009$392.5K0.00%−371−0.8%Reduced
Great West Life Assurance Co47,190$412.0K0.00%−3,341−6.6%Reduced
HighTower Advisors, LLC49,999$428.0K0.00%+49,999New
Thrivent Financial for Lutherans49,459$431.0K0.00%−1,236−2.4%Reduced
Jane Street Group, LLC53,704$468.3K0.00%−20,839−28.0%Reduced
Alliancebernstein L.P.54,070$471.5K0.00%00.0%Unchanged
Venture Visionary Partners LLC55,421$483.3K0.03%−40,300−42.1%Reduced
Symmetry Investments LP57,100$497.9K0.14%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys58,442$509.6K0.00%+4,279+7.9%Added
Lazard Asset Management LLC59,053$514.0K0.00%−16,613−22.0%Reduced
Susquehanna International Group, LLP61,675$537.8K0.00%−30,318−33.0%Reduced
Prudential Financial Inc64,035$558.4K0.00%+14,075+28.2%Added
Schonfeld Strategic Advisors LLC64,912$566.0K0.00%+11,312+21.1%Added