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Livermore
Livermore
ZHEN

Penbrook Management LLC

SEC CIK
0001381055
Latest filing
Jul 23, 2026

OESX holding history

Orion Energy Systems, Inc. in every 13F filed by Penbrook Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

OESX overviewAll 13F holders of OESXFull Q2 2026 holdings

Shares (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
19
Since Q1 2021
Holdings of OESX by Penbrook Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−16,644−100.0%Sold outHolders
Q3 202516,644$145.8K0.1%−1,349−7.5%ReducedConverted for a 1-for-10 splitHolders
Q2 2025179,925$108.0K0.1%−157,672−46.7%ReducedHolders
Q1 2025337,597$243.4K0.2%−3,250−1.0%ReducedHolders
Q4 2024340,847$272.7K0.2%−45,650−11.8%ReducedHolders
Q3 2024386,497$331.2K0.2%−5,000−1.3%ReducedHolders
Q2 2024391,497$434.6K0.3%−13,750−3.4%ReducedHolders
Q1 2024405,247$352.6K0.2%−6,200−1.5%ReducedHolders
Q4 2023411,447$356.6K0.2%−3,300−0.8%ReducedHolders
Q3 2023414,747$522.6K0.4%00.0%UnchangedHolders
Q2 2023414,747$676.0K0.5%00.0%UnchangedHolders
Q1 2023414,747$841.9K0.7%−21,700−5.0%ReducedHolders
Q4 2022436,447$794.3K0.7%00.0%UnchangedHolders
Q3 2022436,447$681.0K0.6%+15,125+3.6%AddedHolders
Q2 2022421,322$847.0K0.7%−2,300−0.5%ReducedHolders
Q1 2022423,622$1.19M0.8%00.0%UnchangedHolders
Q4 2021423,622$1.53M0.9%+750+0.2%AddedHolders
Q3 2021422,872$1.65M1.0%+109,890+35.1%AddedHolders
Q2 2021312,982$1.79M1.1%−1,400−0.4%ReducedHolders
Q1 2021314,382$2.19M1.6%––Holders

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