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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

CENX holding history

Century Aluminum Co in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CENX overviewAll 13F holders of CENXFull Q2 2026 holdings

Shares (Q2 2026)
94,299
Value
$4.34M
% of portfolio
<0.1%
Quarters held
18
Since Q1 2021
Holdings of CENX by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202694,299$4.34M<0.1%−45,200−32.4%ReducedHolders
Q1 2026139,499$8.19M<0.1%+21,500+18.2%AddedHolders
Q4 2025117,999$4.62M<0.1%−247,100−67.7%ReducedHolders
Q3 2025365,099$10.7M<0.1%+209,500+134.6%AddedHolders
Q2 2025155,599$2.80M<0.1%+155,599NewHolders
Q1 20250$00.0%−229,699−100.0%Sold outHolders
Q4 2024229,699$4.19M<0.1%−55,000−19.3%ReducedHolders
Q3 2024284,699$4.62M<0.1%+25,400+9.8%AddedHolders
Q2 2024259,299$4.34M<0.1%−59,800−18.7%ReducedHolders
Q1 2024319,099$4.91M<0.1%−132,800−29.4%ReducedHolders
Q4 2023451,899$5.49M<0.1%−162,600−26.5%ReducedHolders
Q3 2023614,499$4.42M<0.1%−145,100−19.1%ReducedHolders
Q2 2023759,599$6.62M<0.1%+58,400+8.3%AddedHolders
Q1 2023701,199$7.01M<0.1%−336,300−32.4%ReducedHolders
Q4 20221,037,499$8.49M<0.1%+366,400+54.6%AddedHolders
Q3 2022671,099$3.54M<0.1%+88,000+15.1%AddedHolders
Q2 2022583,099$4.30M<0.1%−86,100−12.9%ReducedHolders
Q1 2022669,199$17.6M<0.1%+669,199NewHolders
Q2 20210$00.0%−20,878−100.0%Sold outHolders
Q1 202120,878$369.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.