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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 2024

Institutional positions in Century Aluminum Co as of Dec 31, 2024. 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
222
+26 vs. Q3 2024
Shares held
92.4M
+37.5M (+68.2%) vs. Q3 2024
Total value
$1.68B
+$792.1M (+88.8%) vs. Q3 2024
New holders
56
69 more added
Sold out
30
68 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 222 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 2024: $1.68B
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 2024

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q3 2024.

Institutions holding CENX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Balyasny Asset Management LLC460,796$8.40M0.02%+249,323+117.9%Added
Two Sigma Investments, LP469,018$8.55M0.02%−170,758−26.7%Reduced
UBS Group AG491,082$8.95M0.00%+333,900+212.4%Added
Arrowstreet Capital, Limited Partnership496,970$9.05M0.01%+386,133+348.4%Added
Charles Schwab Investment Management Inc539,161$9.82M0.00%+51,770+10.6%Added
Northern Trust Corp540,448$9.85M0.00%+29,400+5.8%Added
Yaupon Capital Management LP567,837$10.3M0.65%+245,813+76.3%Added
Mountaineer Partners Management, LLC647,845$11.8M8.64%−759,986−54.0%Reduced
Moore Capital Management, LP657,985$12.0M0.22%+657,985New
Impala Asset Management LLC697,481$12.7M10.28%−206,519−22.8%Reduced
Bank of America Corp745,985$13.6M0.00%−67,273−8.3%Reduced
Voloridge Investment Management, LLC781,366$14.2M0.05%−132,247−14.5%Reduced
Morgan Stanley1,012,318$18.4M0.00%−504,598−33.3%Reduced
Geode Capital Management, LLC1,278,858$23.3M0.00%−914−0.1%Reduced
Fisher Asset Management, LLC1,381,546$25.2M0.01%−273,270−16.5%Reduced
Invesco Ltd.1,909,533$34.8M0.01%−322,775−14.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.2,067,234$37.7M0.08%+111,203+5.7%Added
Dimensional Fund Advisors LP2,937,970$53.5M0.01%+28,557+1.0%Added
State Street Corp3,337,171$60.8M0.00%−58,935−1.7%Reduced
Vanguard Group Inc5,850,940$106.6M0.00%−289,714−4.7%Reduced
BlackRock, Inc.10,496,983$191.3M0.00%−245,296−2.3%Reduced
Glencore plc40,034,438$729.4M87.29%+40,034,438New
Castle Hook Partners LP0$00.00%−1,508,737−100.0%Sold out
Slate Path Capital LP0$00.00%−598,000−100.0%Sold out
Scoggin Management LP0$00.00%−200,000−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−133,060−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−95,457−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−82,324−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−52,800−100.0%Sold out
Centiva Capital, LP0$00.00%−34,463−100.0%Sold out
GTS Securities LLC0$00.00%−28,238−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−26,700−100.0%Sold out
LPL Financial LLC0$00.00%−23,548−100.0%Sold out
Paloma Partners Management Co0$00.00%−20,637−100.0%Sold out
Versor Investments LP0$00.00%−15,800−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−14,523−100.0%Sold out
Kepos Capital LP0$00.00%−13,986−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−13,740−100.0%Sold out
Everence Capital Management Inc0$00.00%−13,620−100.0%Sold out
Guggenheim Capital LLC0$00.00%−13,289−100.0%Sold out
Keebeck Alpha, LP0$00.00%−11,096−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−10,000−100.0%Sold out
State of Wyoming0$00.00%−7,699−100.0%Sold out
Baird Financial Group, Inc.0$00.00%−5,681−100.0%Sold out
Acadian Asset Management LLC0$00.00%−5,353−100.0%Sold out
Princeton Global Asset Management LLC0$00.00%−1,000−100.0%Sold out
Pinpoint Asset Management Ltd0$00.00%−926−100.0%Sold out
Pineridge Advisors LLC0$00.00%−222−100.0%Sold out
Hoese & Co LLP0$00.00%−100−100.0%Sold out
National Bank of Canada0$00.00%−91−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−52−100.0%Sold out
Mendota Financial Group, LLC0$00.00%−7−100.0%Sold out
Jade Capital Advisors, LLC––––Not filed