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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, Q4 2023

Institutional positions in Century Aluminum Co as of Dec 31, 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
171
+10 vs. Q3 2023
Shares held
57.1M
+4.52M (+8.6%) vs. Q3 2023
Total value
$693.3M
+$315.2M (+83.4%) vs. Q3 2023
New holders
33
59 more added
Sold out
23
59 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 171 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 heldQ4 2023: $693.3M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2023.

Institutions holding CENX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Comerica Bank25,829$313.6K0.00%+1,193+4.8%Added
Yousif Capital Management, LLC25,729$312.4K0.00%+115+0.4%Added
Integrated Wealth Concepts LLC25,596$310.7K0.01%−5,500−17.7%Reduced
Franklin Resources Inc24,709$300.0K0.00%−10.0%Reduced
Trexquant Investment LP23,673$287.4K0.01%+23,673New
State Board of Administration of Florida Retirement System23,219$281.9K0.00%00.0%Unchanged
Janus Henderson Group PLC23,172$281.1K0.00%−203−0.9%Reduced
Amalgamated Bank22,461$273.0K0.00%−1,231−5.2%Reduced
Voya Investment Management LLC21,554$261.7K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The20,930$254.1K0.00%−1,027−4.7%Reduced
Dynamic Technology Lab Private Ltd20,845$253.0K0.03%−16,674−44.4%Reduced
Virtu Financial LLC20,515$249.0K0.02%+20,515New
Point72 Asset Management, L.P.20,200$245.2K0.00%+8,200+68.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)19,255$233.8K0.00%+7,946+70.3%Added
Maryland State Retirement & Pension System19,056$231.3K0.00%00.0%Unchanged
Lazard Asset Management LLC19,041$231.0K0.00%−13,859−42.1%Reduced
ISAM Funds (UK) Ltd18,433$223.8K0.16%+18,433New
Tower Research Capital LLC (TRC)17,982$218.3K0.00%+6,554+57.4%Added
Teachers Retirement System of the State of Kentucky17,936$218.0K0.00%00.0%Unchanged
State of Tennessee, Treasury Department17,383$211.0K0.00%00.0%Unchanged
LPL Financial LLC16,133$195.9K0.00%−3,400−17.4%Reduced
New York State Common Retirement Fund15,700$190.6K0.00%−309−1.9%Reduced
Arizona State Retirement System15,496$188.1K0.00%−276−1.7%Reduced
MQS Management LLC15,448$187.5K0.10%−2,987−16.2%Reduced
Oregon Public Employees Retirement Fund15,102$183.3K0.00%−300−1.9%Reduced
Sherbrooke Park Advisers LLC13,971$169.6K0.08%+13,971New
Everence Capital Management Inc13,620$165.0K0.01%+13,620New
XTX Topco Ltd12,837$155.8K0.03%−3,728−22.5%Reduced
Baird Financial Group, Inc.12,072$146.6K0.00%−2,330−16.2%Reduced
Verition Fund Management LLC11,720$142.3K0.00%−25,300−68.3%Reduced
Pathstone Holdings, LLC11,651$141.4K0.00%+11,651New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys11,167$135.6K0.00%−23,421−67.7%Reduced
Two Sigma Securities, LLC11,003$133.6K0.01%+11,003New
Leonteq Securities AG10,500$127.5K0.02%+10,500New
Cutler Group LP7,440$90.0K0.01%−1,934−20.6%Reduced
STRS Ohio5,900$71.0K0.00%−2,800−32.2%Reduced
Allworth Financial LP5,584$67.8K0.00%+5,584New
Ameritas Investment Partners, Inc.5,191$63.0K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.3,572$43.4K0.02%−1,548−30.2%Reduced
KBC Group NV3,246$39.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.3,166$38.4K0.00%+651+25.9%Added
Metropolitan Life Insurance Co2,874$34.9K0.00%00.0%Unchanged
FMR LLC2,463$29.9K0.00%−207−7.8%Reduced
Allspring Global Investments Holdings, LLC2,266$27.5K0.00%−6,841−75.1%Reduced
Global Retirement Partners, LLC2,406$25.3K0.00%−778−24.4%Reduced
Public Employees Retirement System of Ohio1,636$19.9K0.00%+12+0.7%Added
Pineridge Advisors LLC1,392$16.9K0.01%+1,392New
Exchange Traded Concepts, LLC1,271$15.4K0.00%00.0%Unchanged
Signaturefd, LLC1,134$13.8K0.00%+90+8.6%Added
Nisa Investment Advisors, LLC1,077$13.1K0.00%−23−2.1%Reduced
Independence Bank of Kentucky1,000$12.1K0.00%00.0%Unchanged
Princeton Global Asset Management LLC1,000$12.1K0.00%+1,000New
GAMMA Investing LLC960$10.7K0.00%+960New
Huntington National Bank800$9.71K0.00%00.0%Unchanged
IFP Advisors, Inc643$7.81K0.00%00.0%Unchanged
Versant Capital Management, Inc601$7.30K0.00%−97−13.9%Reduced
EverSource Wealth Advisors, LLC503$6.11K0.00%+503New
Glassman Wealth Services487$5.91K0.00%+487New
Quadrant Capital Group LLC253$3.07K0.00%+172+212.3%Added
US Bancorp216$2.62K0.00%00.0%Unchanged
Valley National Advisers Inc230$2.00K0.00%+230New
Massmutual Trust Co FSB146$1.77K0.00%+12+9.0%Added
Farther Finance Advisors, LLC96$1.17K0.00%+96New
Russell Investments Group, Ltd.89$1.08K0.00%+89New
Bessemer Group Inc90$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC107$1.00K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.130$1.00K0.00%00.0%Unchanged
Parallel Advisors, LLC36$4370.00%00.0%Unchanged
Farmers & Merchants Investments Inc33$4010.00%00.0%Unchanged
CWM, LLC18$00.00%−158−89.8%Reduced
Covestor Ltd13$00.00%−1−7.1%Reduced
Dark Forest Capital Management LP0$00.00%−201,567−100.0%Sold out
Jump Financial, LLC0$00.00%−159,395−100.0%Sold out
PDT Partners, LLC0$00.00%−120,006−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−95,618−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−82,354−100.0%Sold out
Jade Capital Advisors, LLC0$00.00%−75,000−100.0%Sold out
Hunter Associates Investment Management LLC0$00.00%−71,500−100.0%Sold out
PEAK6 Investments LLC0$00.00%−55,426−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−20,827−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−20,497−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−14,376−100.0%Sold out
Guggenheim Capital LLC0$00.00%−12,516−100.0%Sold out
Wolverine Trading, LLC0$00.00%−12,296−100.0%Sold out
Mercer Global Advisors Inc0$00.00%−12,205−100.0%Sold out
Venture Visionary Partners LLC0$00.00%−11,595−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−10,820−100.0%Sold out
Keebeck Alpha, LP0$00.00%−10,276−100.0%Sold out
Amundi0$00.00%−8,489−100.0%Sold out
Quarry LP0$00.00%−4,508−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−1,400−100.0%Sold out
Spire Wealth Management0$00.00%−201−100.0%Sold out
Fifth Third Bancorp0$00.00%−46−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−38−100.0%Sold out
Advisor Partners II, LLC––––Not filed