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Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

PESI holding history

Perma Fix Environmental Services Inc in every 13F filed by Dimensional Fund Advisors LP, 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)
191,063
Value
$2.73M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of PESI by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026191,063$2.73M<0.1%+27,276+16.7%AddedHolders
Q1 2026163,787$1.75M<0.1%−1,000−0.6%ReducedHolders
Q4 2025164,787$2.08M<0.1%+7,934+5.1%AddedHolders
Q3 2025156,853$1.58M<0.1%+4,478+2.9%AddedHolders
Q2 2025152,375$1.60M<0.1%+28,413+22.9%AddedHolders
Q1 2025123,962$901.8K<0.1%+12,343+11.1%AddedHolders
Q4 2024111,619$1.24M<0.1%+22,633+25.4%AddedHolders
Q3 202488,986$1.09M<0.1%+10,480+13.3%AddedHolders
Q2 202478,506$795.1K<0.1%+13,949+21.6%AddedHolders
Q1 202464,557$767.6K<0.1%−4,305−6.3%ReducedHolders
Q4 202368,862$541.3K<0.1%−7,785−10.2%ReducedHolders
Q3 202376,647$801.0K<0.1%+2,100+2.8%AddedHolders
Q2 202374,547$818.5K<0.1%+7,095+10.5%AddedHolders
Q1 202367,452$794.6K<0.1%+2,849+4.4%AddedHolders
Q4 202264,603$229.0K<0.1%00.0%UnchangedHolders
Q3 202264,603$290.0K<0.1%−1,114−1.7%ReducedHolders
Q2 202265,717$341.0K<0.1%−1,601−2.4%ReducedHolders
Q1 202267,318$372.0K<0.1%00.0%UnchangedHolders
Q4 202167,318$426.0K<0.1%00.0%UnchangedHolders
Q3 202167,318$448.0K<0.1%+88+0.1%AddedHolders
Q2 202167,230$481.0K<0.1%00.0%UnchangedHolders
Q1 202167,230$493.0K<0.1%––Holders

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