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PESI · Industrials · Waste Management · Market cap $352M

3 funds in our archive have pitched Perma-Fix — most recently White Brook Capital Ethical Strategies in September 2026.

Company profile

Perma-Fix Environmental Services, Inc., operating through its various subsidiaries, functions as a U.S.-based company offering specialized expertise in environmental solutions and technology. Its operations are divided into three core divisions: Treatment, Services, and Medical. The Treatment division specializes in the handling, processing, and safe disposal of various waste types, including nuclear, low-level radioactive, mixed, hazardous, and non-hazardous materials, utilizing its dedicated treatment and storage facilities. Furthermore, this segment conducts research and development to devise and apply innovative methods for managing challenging waste streams. The Services division delivers extensive technical support, encompassing professional radiological assessments and site surveys for both government and commercial clients, alongside integrated occupational safety and health programs. Its offerings also include consulting, engineering, project and waste management, environmental remediation, and on-site decontamination and decommissioning (D&D) services, as well as providing specialized technical and managerial personnel. For the nuclear sector, it provides technology-driven solutions covering engineering, D&D, construction, logistics, transportation, processing, and disposal, in addition to undertaking the cleanup of licensed nuclear facilities and legacy sites. This segment further maintains an advanced laboratory for calibrating, maintaining, and sourcing a wide array of health physics, industrial hygiene, and custom nuclear, environmental, and occupational safety and health monitoring equipment. The Medical segment concentrates its efforts on the research and development of technologies for producing medical isotopes. Perma-Fix serves a diverse clientele, ranging from research institutions and commercial enterprises to public utilities and government bodies, engaging with them either directly or via third-party channels. Established in 1990, Perma-Fix Environmental Services, Inc. maintains its headquarters in Atlanta, Georgia.

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3
Reported positions
0
Bought
0
Sold
3
Letters

Position history

Between Q1 2026 and Q3 2026, 3 fund letters reported a position in Perma-Fix, with no move described.

Fund letters reporting a position in Perma-Fix, by quarter
QuarterLettersBoughtSoldTheses
Q3 20261001
Q2 20261001
Q1 20261001

Bought and Sold count moves: the same sentence published by several funds of one house in a quarter counts once.

Fund activity · 3 positions

Fund coverage · 3 theses

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