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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

PESI holding history

Perma Fix Environmental Services Inc in every 13F filed by Simplex Trading, 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 2026)
31,633
Value
$452.0K
% of portfolio
<0.1%
Quarters held
10
Since Q1 2021
Holdings of PESI by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202631,633$452.0K<0.1%+315+1.0%AddedHolders
Q1 202631,318$334.8K<0.1%+31,318NewHolders
Q4 20250$00.0%−2,804−100.0%Sold outHolders
Q3 20252,804$28.0K<0.1%+2,804NewHolders
Q2 20250$00.0%−8,419−100.0%Sold outHolders
Q1 20258,419$61.0K<0.1%+8,419NewHolders
Q4 20240$00.0%−11−100.0%Sold outHolders
Q3 202411$00.0%−6,270−99.8%ReducedHolders
Q2 20246,281$63.0K<0.1%+3,615+135.6%AddedHolders
Q1 20242,666$31.0K<0.1%+2,666NewHolders
Q3 20230$00.0%−9,573−100.0%Sold outHolders
Q2 20239,573$105.0K<0.1%−11,673−54.9%ReducedHolders
Q1 202321,246$250.0K<0.1%+21,246NewHolders
Q2 20210$00.0%−95−100.0%Sold outHolders
Q1 202195$00.0%––Holders

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