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Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

PESI holding history

Perma Fix Environmental Services Inc 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.

PESI overviewAll 13F holders of PESIFull Q2 2026 holdings

Shares (Q2 2025)
0
Sold out in Q2 2025
Value
$0
% of portfolio
0.0%
Quarters held
17
Since Q1 2021
Holdings of PESI by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20250$00.0%−11,474−100.0%Sold outHolders
Q1 202511,474$83.4K<0.1%−23,322−67.0%ReducedHolders
Q4 202434,796$385.2K<0.1%−65,000−65.1%ReducedHolders
Q3 202499,796$1.22M<0.1%−27,100−21.4%ReducedHolders
Q2 2024126,896$1.29M<0.1%−21,900−14.7%ReducedHolders
Q1 2024148,796$1.77M<0.1%−19,200−11.4%ReducedHolders
Q4 2023167,996$1.32M<0.1%+39,600+30.8%AddedHolders
Q3 2023128,396$1.34M<0.1%+4,200+3.4%AddedHolders
Q2 2023124,196$1.36M<0.1%+12,500+11.2%AddedHolders
Q1 2023111,696$1.32M<0.1%−13,800−11.0%ReducedHolders
Q4 2022125,496$443.0K<0.1%+9,133+7.8%AddedHolders
Q3 2022116,363$521.0K<0.1%−19,033−14.1%ReducedHolders
Q2 2022135,396$703.0K<0.1%−8,171−5.7%ReducedHolders
Q1 2022143,567$794.0K<0.1%−12,029−7.7%ReducedHolders
Q4 2021155,596$985.0K<0.1%−9,600−5.8%ReducedHolders
Q3 2021165,196$1.10M<0.1%−35,192−17.6%ReducedHolders
Q2 2021200,388$1.43M<0.1%−15,354−7.1%ReducedHolders
Q1 2021215,742$1.58M<0.1%––Holders

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