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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, Q3 2023

Institutional positions in Century Aluminum Co as of Sep 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
162
+3 vs. Q2 2023
Shares held
52.6M
+2.58M (+5.1%) vs. Q2 2023
Total value
$378.2M
−$58.2M (−13.3%) vs. Q2 2023
New holders
23
58 more added
Sold out
20
61 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 162 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 heldQ3 2023: $378.2M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q2 2023.

Institutions holding CENX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd14$00.00%−2−12.5%Reduced
Farmers & Merchants Investments Inc33$2370.00%00.0%Unchanged
Parallel Advisors, LLC36$2590.00%00.0%Unchanged
Lindbrook Capital, LLC38$2730.00%00.0%Unchanged
Fifth Third Bancorp46$3310.00%+46New
Quadrant Capital Group LLC81$5830.00%−2,033−96.2%Reduced
Massmutual Trust Co FSB134$9630.00%−57−29.8%Reduced
CWM, LLC176$1.00K0.00%−263−59.9%Reduced
Ronald Blue Trust, Inc.130$1.00K0.00%−216−62.4%Reduced
Bessemer Group Inc90$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC107$1.00K0.00%00.0%Unchanged
Spire Wealth Management201$1.44K0.00%00.0%Unchanged
US Bancorp216$1.55K0.00%−170−44.0%Reduced
IFP Advisors, Inc643$4.62K0.00%−1,500−70.0%Reduced
Versant Capital Management, Inc698$5.02K0.00%−2−0.3%Reduced
Huntington National Bank800$5.75K0.00%00.0%Unchanged
Independence Bank of Kentucky1,000$7.19K0.00%00.0%Unchanged
Signaturefd, LLC1,044$7.51K0.00%+661+172.6%Added
Nisa Investment Advisors, LLC1,100$7.91K0.00%−2,773−71.6%Reduced
Exchange Traded Concepts, LLC1,271$9.14K0.00%+480+60.7%Added
Aquatic Capital Management LLC1,400$10.0K0.00%−13,200−90.4%Reduced
Public Employees Retirement System of Ohio1,624$12.0K0.00%−7−0.4%Reduced
The PNC Financial Services Group, Inc.2,515$18.1K0.00%−1,532−37.9%Reduced
FMR LLC2,670$19.2K0.00%+670+33.5%Added
Metropolitan Life Insurance Co2,874$20.7K0.00%00.0%Unchanged
Global Retirement Partners, LLC3,184$20.7K0.00%00.0%Unchanged
KBC Group NV3,246$23.0K0.00%−701−17.8%Reduced
Quarry LP4,508$32.4K0.02%+4,508New
Newbridge Financial Services Group, Inc.5,120$36.8K0.02%−1,473−22.3%Reduced
Ameritas Investment Partners, Inc.5,191$37.3K0.00%+1,179+29.4%Added
UBS Group AG6,650$47.8K0.00%+481+7.8%Added
Amundi8,489$55.3K0.00%+738+9.5%Added
Simplex Trading, LLC8,601$61.0K0.00%+562+7.0%Added
STRS Ohio8,700$62.0K0.00%+7,500+625.0%Added
Allspring Global Investments Holdings, LLC9,107$65.5K0.00%+2,405+35.9%Added
Cutler Group LP9,374$67.0K0.01%+9,374New
Keebeck Alpha, LP10,276$73.9K0.07%−12,033−53.9%Reduced
Advisor Partners II, LLC10,697$76.9K0.00%−132−1.2%Reduced
Boothbay Fund Management, LLC10,820$77.8K0.00%+10,820New
Zurcher Kantonalbank (Zurich Cantonalbank)11,309$81.3K0.00%+2,899+34.5%Added
Tower Research Capital LLC (TRC)11,428$82.2K0.00%−15,786−58.0%Reduced
Venture Visionary Partners LLC11,595$83.4K0.01%−43,826−79.1%Reduced
Point72 Asset Management, L.P.12,000$86.3K0.00%+12,000New
Mercer Global Advisors Inc12,205$88.0K0.00%+12,205New
Wolverine Trading, LLC12,296$88.4K0.00%−5,483−30.8%Reduced
Guggenheim Capital LLC12,516$90.0K0.00%−1,465−10.5%Reduced
Quantbot Technologies LP14,093$101.3K0.01%+14,093New
Prelude Capital Management, LLC14,376$103.4K0.01%−11,255−43.9%Reduced
Baird Financial Group, Inc.14,402$103.5K0.00%+798+5.9%Added
CoreCommodity Management, LLC15,081$108.4K0.04%−2,563−14.5%Reduced
Oregon Public Employees Retirement Fund15,402$110.7K0.00%−700−4.3%Reduced
Arizona State Retirement System15,772$113.4K0.00%+213+1.4%Added
New York State Common Retirement Fund16,009$115.1K0.00%−93−0.6%Reduced
XTX Topco Ltd16,565$119.1K0.02%−17,543−51.4%Reduced
State of Tennessee, Treasury Department17,383$125.0K0.00%00.0%Unchanged
Teachers Retirement System of the State of Kentucky17,936$129.0K0.00%00.0%Unchanged
MQS Management LLC18,435$132.5K0.08%+18,435New
Maryland State Retirement & Pension System19,056$137.0K0.00%−1,087−5.4%Reduced
Engineers Gate Manager LP19,080$137.2K0.01%+19,080New
LPL Financial LLC19,533$140.4K0.00%+3,700+23.4%Added
Bridgefront Capital, LLC20,497$147.4K0.10%+20,497New
Fox Run Management, L.L.C.20,827$149.7K0.04%+20,827New
Citigroup Inc21,513$154.7K0.00%−17,707−45.1%Reduced
Voya Investment Management LLC21,554$155.0K0.00%+696+3.3%Added
Manufacturers Life Insurance Company, The21,957$157.9K0.00%−655−2.9%Reduced
Brevan Howard Capital Management LP22,662$162.9K0.05%+22,662New
State Board of Administration of Florida Retirement System23,219$166.9K0.00%+50+0.2%Added
Janus Henderson Group PLC23,375$167.7K0.00%+30.0%Added
Amalgamated Bank23,692$170.0K0.00%00.0%Unchanged
Comerica Bank24,636$177.1K0.00%+24,636New
Franklin Resources Inc24,710$177.7K0.00%−758−3.0%Reduced
Yousif Capital Management, LLC25,614$184.2K0.00%−1,845−6.7%Reduced
Louisiana State Employees Retirement System26,300$189.1K0.00%−800−3.0%Reduced
GTS Securities LLC27,694$199.1K0.00%+27,694New
MetLife Investment Management27,830$200.1K0.00%00.0%Unchanged
Deutsche Bank AG28,421$204.3K0.00%−210,196−88.1%Reduced
American International Group, Inc.28,833$207.3K0.00%+621+2.2%Added
Illinois Municipal Retirement Fund30,850$222.0K0.00%+30,850New
Price T Rowe Associates Inc30,946$223.0K0.00%+1,015+3.4%Added
Integrated Wealth Concepts LLC31,096$223.6K0.00%+3,000+10.7%Added
State of Alaska, Department of Revenue32,254$231.0K0.00%−1,764−5.2%Reduced
Lazard Asset Management LLC32,900$236.0K0.00%−26,153−44.3%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys34,588$248.7K0.00%−23,854−40.8%Reduced
Verition Fund Management LLC37,020$266.2K0.00%+16,360+79.2%Added
Dynamic Technology Lab Private Ltd37,519$270.0K0.03%+37,519New
Group One Trading, L.P.38,022$273.4K0.01%+38,022New
Great Valley Advisor Group, Inc.41,483$298.3K0.01%00.0%Unchanged
American Century Companies Inc42,059$302.4K0.00%+7,496+21.7%Added
Texas Permanent School Fund43,292$311.3K0.00%−1,717−3.8%Reduced
Advisor Group Holdings, Inc.43,855$315.3K0.00%+7,544+20.8%Added
Royal Bank of Canada44,981$324.0K0.00%+14,389+47.0%Added
HSBC Holdings PLC46,399$330.8K0.00%+23,770+105.0%Added
Great West Life Assurance Co47,190$338.0K0.00%00.0%Unchanged
Thrivent Financial for Lutherans47,328$340.0K0.00%−2,131−4.3%Reduced
Barclays PLC49,265$354.2K0.00%−90,125−64.7%Reduced
PEAK6 Investments LLC55,426$398.5K0.02%+19,299+53.4%Added
California State Teachers Retirement System60,515$435.1K0.00%−5,722−8.6%Reduced
Prudential Financial Inc60,823$437.3K0.00%−3,212−5.0%Reduced
Susquehanna International Group, LLP61,495$442.1K0.00%−180−0.3%Reduced
Symmetry Investments LP61,900$445.1K0.13%+4,800+8.4%Added