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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
Fox Run Management, L.L.C.20,827$149.7K0.04%+20,827New
Bridgefront Capital, LLC20,497$147.4K0.10%+20,497New
LPL Financial LLC19,533$140.4K0.00%+3,700+23.4%Added
Engineers Gate Manager LP19,080$137.2K0.01%+19,080New
Maryland State Retirement & Pension System19,056$137.0K0.00%−1,087−5.4%Reduced
MQS Management LLC18,435$132.5K0.08%+18,435New
Teachers Retirement System of the State of Kentucky17,936$129.0K0.00%00.0%Unchanged
State of Tennessee, Treasury Department17,383$125.0K0.00%00.0%Unchanged
XTX Topco Ltd16,565$119.1K0.02%−17,543−51.4%Reduced
New York State Common Retirement Fund16,009$115.1K0.00%−93−0.6%Reduced
Arizona State Retirement System15,772$113.4K0.00%+213+1.4%Added
Oregon Public Employees Retirement Fund15,402$110.7K0.00%−700−4.3%Reduced
CoreCommodity Management, LLC15,081$108.4K0.04%−2,563−14.5%Reduced
Baird Financial Group, Inc.14,402$103.5K0.00%+798+5.9%Added
Prelude Capital Management, LLC14,376$103.4K0.01%−11,255−43.9%Reduced
Quantbot Technologies LP14,093$101.3K0.01%+14,093New
Guggenheim Capital LLC12,516$90.0K0.00%−1,465−10.5%Reduced
Wolverine Trading, LLC12,296$88.4K0.00%−5,483−30.8%Reduced
Mercer Global Advisors Inc12,205$88.0K0.00%+12,205New
Point72 Asset Management, L.P.12,000$86.3K0.00%+12,000New
Venture Visionary Partners LLC11,595$83.4K0.01%−43,826−79.1%Reduced
Tower Research Capital LLC (TRC)11,428$82.2K0.00%−15,786−58.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,309$81.3K0.00%+2,899+34.5%Added
Boothbay Fund Management, LLC10,820$77.8K0.00%+10,820New
Advisor Partners II, LLC10,697$76.9K0.00%−132−1.2%Reduced
Keebeck Alpha, LP10,276$73.9K0.07%−12,033−53.9%Reduced
Cutler Group LP9,374$67.0K0.01%+9,374New
Allspring Global Investments Holdings, LLC9,107$65.5K0.00%+2,405+35.9%Added
STRS Ohio8,700$62.0K0.00%+7,500+625.0%Added
Simplex Trading, LLC8,601$61.0K0.00%+562+7.0%Added
Amundi8,489$55.3K0.00%+738+9.5%Added
UBS Group AG6,650$47.8K0.00%+481+7.8%Added
Ameritas Investment Partners, Inc.5,191$37.3K0.00%+1,179+29.4%Added
Newbridge Financial Services Group, Inc.5,120$36.8K0.02%−1,473−22.3%Reduced
Quarry LP4,508$32.4K0.02%+4,508New
KBC Group NV3,246$23.0K0.00%−701−17.8%Reduced
Global Retirement Partners, LLC3,184$20.7K0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,874$20.7K0.00%00.0%Unchanged
FMR LLC2,670$19.2K0.00%+670+33.5%Added
The PNC Financial Services Group, Inc.2,515$18.1K0.00%−1,532−37.9%Reduced
Public Employees Retirement System of Ohio1,624$12.0K0.00%−7−0.4%Reduced
Aquatic Capital Management LLC1,400$10.0K0.00%−13,200−90.4%Reduced
Exchange Traded Concepts, LLC1,271$9.14K0.00%+480+60.7%Added
Nisa Investment Advisors, LLC1,100$7.91K0.00%−2,773−71.6%Reduced
Signaturefd, LLC1,044$7.51K0.00%+661+172.6%Added
Independence Bank of Kentucky1,000$7.19K0.00%00.0%Unchanged
Huntington National Bank800$5.75K0.00%00.0%Unchanged
Versant Capital Management, Inc698$5.02K0.00%−2−0.3%Reduced
IFP Advisors, Inc643$4.62K0.00%−1,500−70.0%Reduced
US Bancorp216$1.55K0.00%−170−44.0%Reduced
Spire Wealth Management201$1.44K0.00%00.0%Unchanged
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
Massmutual Trust Co FSB134$9630.00%−57−29.8%Reduced
Quadrant Capital Group LLC81$5830.00%−2,033−96.2%Reduced
Fifth Third Bancorp46$3310.00%+46New
Lindbrook Capital, LLC38$2730.00%00.0%Unchanged
Parallel Advisors, LLC36$2590.00%00.0%Unchanged
Farmers & Merchants Investments Inc33$2370.00%00.0%Unchanged
Covestor Ltd14$00.00%−2−12.5%Reduced
Royce & Associates LP0$00.00%−420,538−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−127,812−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−108,957−100.0%Sold out
SummerHaven Investment Management, LLC0$00.00%−96,853−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−94,914−100.0%Sold out
HighTower Advisors, LLC0$00.00%−49,999−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−37,310−100.0%Sold out
Jaffetilchin Investment Partners, LLC0$00.00%−28,754−100.0%Sold out
Mariner, LLC0$00.00%−18,028−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−11,320−100.0%Sold out
Mutual of America Capital Management LLC0$00.00%−10,098−100.0%Sold out
Everence Capital Management Inc0$00.00%−11,200−100.0%Sold out
Leonteq Securities AG0$00.00%−5,000−100.0%Sold out
State of Wyoming0$00.00%−3,217−100.0%Sold out
Headlands Technologies LLC0$00.00%−1,058−100.0%Sold out
West Tower Group, LLC0$00.00%−862−100.0%Sold out
First Horizon Advisors, Inc.0$00.00%−434−100.0%Sold out
EverSource Wealth Advisors, LLC0$00.00%−241−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−15−100.0%Sold out
Allworth Financial LP0$00.00%−4−100.0%Sold out
EA Series Trust––––Not filed