Perma-Fix Environmental Services, Inc. (PESI)
NasdaqCM
Price as at 30 Sept 2026, 23:20 UTC. Quotes are delayed.
Fundamentals
Valuation and ratings
Perma-Fix Environmental Services, Inc. trades at $15.65. We do not hold enough of the inputs to value this company with the confidence the estimate implies, so we publish no fair value for it rather than a number we would not defend.
About Perma-Fix Environmental Services, Inc.
Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. The company operates in two segments, Treatment and Services. The Treatment segment offers nuclear, low-level radioactive, mixed waste, hazardous and non-hazardous waste treatment, and processing and disposal services through treatment and storage facilities. This segment is also involved in the research and development activities to identify, develop, and implement waste processing techniques for problematic waste streams. The Services segment provides technical services, including professional radiological measurement and site survey of government and commercial installations; health physics services; integrated occupational safety and health services; consulting, engineering, project and waste management, environmental, decontamination and decommissioning (D&D) field, and technical and management personnel and services; and waste management services. This segment also offers nuclear services, including D&D of government and commercial facilities, including engineering, technology applications, specialty services, logistics, transportation, processing, and disposal; and license termination support, such as project management, planning, characterization, waste stream identification and delineation, remediation/demolition, compliance demonstration, final status survey, reporting, transportation, disposal, and emergency response. In addition, it maintains, services, maintains, calibrates, and sources health physics, IH and customized nuclear, environmental, and occupational safety and health instruments. The company serves research institutions, commercial companies, public utilities, and governmental agencies through direct sales to customers or through intermediaries. Perma-Fix Environmental Services, Inc. was incorporated in 1990 and is headquartered in Atlanta, Georgia.
Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.
Super investor ownership
3 of the funds we track reported a position in their latest SEC 13F filing. Largest first:
- Diamond Hill, Diamond Hill Capital Management, LLC (Investment Advisor)$9.18M · 0.1% of book
- Ken Griffin, CITADEL ADVISORS LLC$2.18M · 0.0% of book
- D. E. Shaw, D. E. Shaw & Co., Inc.$355.2K · 0.0% of book
A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.
Common questions
Which funds own PESI?
3 of the institutions we track reported a position in PESI in their most recent SEC 13F filing. A 13F is filed up to 45 days after quarter end, so it tells you what a fund held then, not what it holds now.
Where does SteadyShares get its PESI data?
Fundamentals for PESI come from company filings and exchange data, as listed on NasdaqCM; institutional ownership comes from SEC 13F filings. The share price shown was last refreshed on 30 Sept 2026, 23:20 UTC and is delayed. Metrics we do not hold are left out of the page rather than estimated.
The full research page for PESI, with financial statements, ownership detail, peer comparison and alerts, is free inside the app.
Data from company filings, exchange quotes and SEC EDGAR 13F disclosures. Quotes are delayed. Metrics we do not have are left out rather than estimated. Educational information, not financial advice.
