Tearsheet

Perma-Fix Environmental Services (PESI)


Market Price (6/18/2026): $10.86 | Market Cap: $201.4 MilSector: Industrials | Industry: Environmental & Facilities Services

Perma-Fix Environmental Services (PESI)


Market Price (6/18/2026): $10.86
Market Cap: $201.4 Mil
Sector: Industrials
Industry: Environmental & Facilities Services

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Megatrend and thematic drivers
Megatrends include Sustainable Infrastructure, and Circular Economy & Recycling. Themes include Waste Management Solutions, and Advanced Recycling Technologies.

Weak multi-year price returns
2Y Excs Rtn is -28%, 3Y Excs Rtn is -75%

Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -15 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -26%

Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -6.1%, Rev Chg QQuarterly Revenue Change % is -20%

Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -21%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -30%

Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -13%

Key risks
PESI key risks include [1] significant delays to major government projects like the DFLAW facility, Show more.

0 Megatrend and thematic drivers
Megatrends include Sustainable Infrastructure, and Circular Economy & Recycling. Themes include Waste Management Solutions, and Advanced Recycling Technologies.
1 Weak multi-year price returns
2Y Excs Rtn is -28%, 3Y Excs Rtn is -75%
2 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -15 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -26%
3 Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -6.1%, Rev Chg QQuarterly Revenue Change % is -20%
4 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -21%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -30%
5 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -13%
6 Key risks
PESI key risks include [1] significant delays to major government projects like the DFLAW facility, Show more.

Valuation & Metrics

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Updated on 6/12/2026

Perma-Fix Environmental Services (PESI) stock has lost about 20% since 2/28/2026 because of the following key factors:

1. Perma-Fix Environmental Services reported a significant miss in its fiscal Q1 2026 earnings, which ended March 31, 2026.

The company posted an Earnings Per Share (EPS) of -$0.40, substantially missing the consensus estimate of -$0.0592 by 575.68%. Additionally, revenue fell short at $11.13 million, compared to a forecast of $18.3 million, marking a 20.1% decrease from Q1 2025. This led to a net loss of $7.5 million, more than doubling the $3.6 million loss from the prior year, and resulted in a 17.63% drop in the stock price in pre-market trading following the announcement on May 6, 2026.

2. Concerns over the company's financial liquidity emerged, highlighted by a limited cash runway.

A major risk identified around May 7, 2026, indicated that Perma-Fix had less than a year of cash runway based on its current free cash flow trend of -US$16 million. To address capital needs and operational investments, the company completed a follow-on public offering on May 16, 2026, raising approximately $20.0 million by offering 2,285,714 shares at $8.75 per share, which likely led to share dilution.

Show more
Updated on 6/12/2026

Perma-Fix Environmental Services (PESI) stock has lost about 20% since 2/28/2026 because of the following key factors:

1. Perma-Fix Environmental Services reported a significant miss in its fiscal Q1 2026 earnings, which ended March 31, 2026.

The company posted an Earnings Per Share (EPS) of -$0.40, substantially missing the consensus estimate of -$0.0592 by 575.68%. Additionally, revenue fell short at $11.13 million, compared to a forecast of $18.3 million, marking a 20.1% decrease from Q1 2025. This led to a net loss of $7.5 million, more than doubling the $3.6 million loss from the prior year, and resulted in a 17.63% drop in the stock price in pre-market trading following the announcement on May 6, 2026.

2. Concerns over the company's financial liquidity emerged, highlighted by a limited cash runway.

A major risk identified around May 7, 2026, indicated that Perma-Fix had less than a year of cash runway based on its current free cash flow trend of -US$16 million. To address capital needs and operational investments, the company completed a follow-on public offering on May 16, 2026, raising approximately $20.0 million by offering 2,285,714 shares at $8.75 per share, which likely led to share dilution.

3. Operational challenges, including seasonal softness and reduced waste volumes, impacted Q1 2026 performance.

The decline in Q1 2026 revenue was primarily attributed to company-specific factors such as lower waste volumes, an unfavorable average waste pricing mix, the timing of revenue milestones, and deliberate inventory reduction to maximize capacity ahead of anticipated projects. The Services Segment also experienced reduced field activity due to seasonal delays, including winter weather and typical post-holiday slowdowns.

4. Analyst sentiment turned negative, with at least one downgrade contributing to selling pressure.

Between March and June 2026, Perma-Fix Environmental Services' stock received an analyst downgrade. As of June 8, 2026, one analyst downgraded the stock, contributing to a "Sell" consensus rating from one Wall Street analyst, which can influence investor perception and drive down stock value.

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Stock Movement Drivers

Fundamental Drivers

The -20.2% change in PESI stock from 2/28/2026 to 6/17/2026 was primarily driven by a -17.5% change in the company's P/S Multiple.
(LTM values as of)22820266172026Change
Stock Price ($)13.6410.88-20.2%
Change Contribution By: 
Total Revenues ($ Mil)6159-2.9%
P/S Multiple4.23.4-17.5%
Shares Outstanding (Mil)1819-0.4%
Cumulative Contribution-20.2%

LTM = Last Twelve Months as of date shown

Market Drivers

2/28/2026 to 6/17/2026
ReturnCorrelation
PESI-20.2% 
Market (SPY)8.3%33.3%
Sector (XLI)1.7%37.7%

Fundamental Drivers

The -11.3% change in PESI stock from 11/30/2025 to 6/17/2026 was primarily driven by a -8.3% change in the company's P/S Multiple.
(LTM values as of)113020256172026Change
Stock Price ($)12.2710.88-11.3%
Change Contribution By: 
Total Revenues ($ Mil)6159-2.9%
P/S Multiple3.73.4-8.3%
Shares Outstanding (Mil)1819-0.4%
Cumulative Contribution-11.3%

LTM = Last Twelve Months as of date shown

Market Drivers

11/30/2025 to 6/17/2026
ReturnCorrelation
PESI-11.3% 
Market (SPY)9.0%41.1%
Sector (XLI)17.6%38.7%

Fundamental Drivers

The 2.7% change in PESI stock from 5/31/2025 to 6/17/2026 was primarily driven by a 4.3% change in the company's P/S Multiple.
(LTM values as of)53120256172026Change
Stock Price ($)10.5910.882.7%
Change Contribution By: 
Total Revenues ($ Mil)5959-0.9%
P/S Multiple3.33.44.3%
Shares Outstanding (Mil)1819-0.6%
Cumulative Contribution2.7%

LTM = Last Twelve Months as of date shown

Market Drivers

5/31/2025 to 6/17/2026
ReturnCorrelation
PESI2.7% 
Market (SPY)27.2%34.4%
Sector (XLI)27.4%32.2%

Fundamental Drivers

The 0.7% change in PESI stock from 5/31/2023 to 6/17/2026 was primarily driven by a 77.6% change in the company's P/S Multiple.
(LTM values as of)53120236172026Change
Stock Price ($)10.8010.880.7%
Change Contribution By: 
Total Revenues ($ Mil)7559-21.3%
P/S Multiple1.93.477.6%
Shares Outstanding (Mil)1319-28.0%
Cumulative Contribution0.7%

LTM = Last Twelve Months as of date shown

Market Drivers

5/31/2023 to 6/17/2026
ReturnCorrelation
PESI0.7% 
Market (SPY)84.3%29.7%
Sector (XLI)93.9%33.9%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
PESI Return6%-44%123%41%14%-17%75%
Peers Return38%-3%24%25%-1%-5%96%
S&P 500 Return27%-19%24%23%16%10%100%

Monthly Win Rates [3]
PESI Win Rate58%17%58%58%50%50% 
Peers Win Rate63%48%55%62%60%57% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
PESI Max Drawdown-29%-48%-51%-40%-41%-45% 
Peers Max Drawdown-14%-26%-17%-13%-23%-23% 
S&P 500 Max Drawdown-5%-25%-10%-8%-19%-9% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: CLH, RSG, GFL, ACM, J.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 6/17/2026 (YTD)

How Low Can It Go

EventPESIS&P 500
2025 US Tariff Shock
  % Loss-25.3%-18.8%
  % Gain to Breakeven33.8%23.1%
  Time to Breakeven23 days79 days
Summer-Fall 2023 Five Percent Yield Shock
  % Loss-26.2%-9.5%
  % Gain to Breakeven35.5%10.5%
  Time to Breakeven100 days24 days
2022 Inflation Shock & Fed Tightening
  % Loss-40.3%-24.5%
  % Gain to Breakeven67.6%32.4%
  Time to Breakeven123 days427 days
2020 COVID-19 Crash
  % Loss-47.4%-33.7%
  % Gain to Breakeven90.2%50.9%
  Time to Breakeven1086 days140 days
Q4 2018 Fed Policy Error / Growth Scare
  % Loss-51.2%-19.2%
  % Gain to Breakeven104.9%23.8%
  Time to Breakeven110 days105 days
2016-2017 Trump Reflation Bond Selloff
  % Loss-42.3%-3.7%
  % Gain to Breakeven73.3%3.9%
  Time to Breakeven455 days6 days

Compare to CLH, RSG, GFL, ACM, J

In The Past

Perma-Fix Environmental Services's stock fell -25.3% during the 2025 US Tariff Shock. Such a loss loss requires a 33.8% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

EventPESIS&P 500
2025 US Tariff Shock
  % Loss-25.3%-18.8%
  % Gain to Breakeven33.8%23.1%
  Time to Breakeven23 days79 days
Summer-Fall 2023 Five Percent Yield Shock
  % Loss-26.2%-9.5%
  % Gain to Breakeven35.5%10.5%
  Time to Breakeven100 days24 days
2022 Inflation Shock & Fed Tightening
  % Loss-40.3%-24.5%
  % Gain to Breakeven67.6%32.4%
  Time to Breakeven123 days427 days
2020 COVID-19 Crash
  % Loss-47.4%-33.7%
  % Gain to Breakeven90.2%50.9%
  Time to Breakeven1086 days140 days
Q4 2018 Fed Policy Error / Growth Scare
  % Loss-51.2%-19.2%
  % Gain to Breakeven104.9%23.8%
  Time to Breakeven110 days105 days
2016-2017 Trump Reflation Bond Selloff
  % Loss-42.3%-3.7%
  % Gain to Breakeven73.3%3.9%
  Time to Breakeven455 days6 days
2013 Taper Tantrum
  % Loss-51.4%-0.2%
  % Gain to Breakeven105.6%0.2%
  Time to Breakeven90 days1 days
2011 US Debt Ceiling Crisis & European Contagion
  % Loss-32.3%-17.9%
  % Gain to Breakeven47.6%21.8%
  Time to Breakeven39 days123 days
2010 Eurozone Sovereign Debt Crisis / Flash Crash
  % Loss-34.4%-15.4%
  % Gain to Breakeven52.4%18.2%
  Time to Breakeven4647 days125 days
2008-2009 Global Financial Crisis
  % Loss-69.7%-53.4%
  % Gain to Breakeven230.3%114.4%
  Time to Breakeven192 days1085 days

Compare to CLH, RSG, GFL, ACM, J

In The Past

Perma-Fix Environmental Services's stock fell -25.3% during the 2025 US Tariff Shock. Such a loss loss requires a 33.8% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Perma-Fix Environmental Services (PESI)

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Perma-Fix Environmental Services, Inc. (PESI) operates as an environmental and technology company primarily focused on managing complex waste streams. The company's core business revolves around the treatment, processing, and disposal of a diverse range of wastes, including nuclear, low-level radioactive, mixed, hazardous, and non-hazardous materials. PESI leverages its specialized treatment and storage facilities, alongside ongoing research and development, to address challenging waste streams for its clients.

Beyond its waste treatment capabilities, PESI offers extensive technical and support services. These include professional radiological measurement, site surveys, occupational safety and health services, and comprehensive consulting and engineering expertise. A significant part of its service offerings involves decontamination and decommissioning (D&D) of government and commercial nuclear facilities, as well as cleanup efforts at nuclear legacy sites. The company also provides vital support through its equipment calibration and maintenance laboratory.

PESI serves a broad client base, including research institutions, commercial enterprises, public utilities, and various governmental agencies. Additionally, the company is involved in research and development within its Medical segment, exploring medical isotope production technology, indicating a forward-looking interest in healthcare applications.

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Analogy: The Clean Harbors (CLH) for nuclear and radioactive waste.

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  • Waste Treatment & Disposal: Provides comprehensive treatment, processing, and disposal services for nuclear, radioactive, mixed, hazardous, and non-hazardous waste streams.
  • Environmental Remediation & Decommissioning (D&D): Offers services for the cleanup of nuclear legacy sites, as well as decontamination and decommissioning of nuclear and federal facilities.
  • Technical & Consulting Services: Delivers professional radiological measurement, site surveys, occupational safety and health services, engineering, and environmental project management.
  • Specialty Nuclear Services: Includes technology-based services like construction, logistics, transportation, and on-site waste management for nuclear operations.
  • Instrumentation Calibration & Maintenance: Operates a laboratory for servicing, maintaining, calibrating, and sourcing specialized health physics and environmental instrumentation.
  • Research & Development: Conducts R&D activities to develop new waste processing techniques and medical isotope production technology.

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Perma-Fix Environmental Services (PESI) primarily provides its services to a diverse range of organizations and entities rather than individuals. Based on the company description, its major customers fall into the following categories:

  • Research institutions
  • Commercial companies
  • Public utilities
  • Governmental agencies

The provided information does not list specific names of commercial companies or public utilities that are major customers.

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Mark Duff, President and Chief Executive Officer

Mr. Duff has served as President and CEO of Perma-Fix Environmental Services since September 2017 and became a Board member in April 2023. He joined the company in 2016 and has focused on strategies to meet growth objectives in both the Treatment and Services segments, including facility upgrades, modernization of treatment capabilities, and expansion into international markets and new sectors like commercial power and oil and gas. Prior to his current role, Mr. Duff co-founded a consulting firm and possesses over 40 years of management and technical experience in the DOE and DOD environmental and construction markets.

Ben Naccarato, Executive Vice President and Chief Financial Officer

Mr. Naccarato has been the CFO of Perma-Fix Environmental Services since February 2009, joining the company in September 2004. He brings over 37 years of experience in senior financial positions within the waste management and used oil industries. Before joining Perma-Fix, Mr. Naccarato served as the CFO for a privately-held company in the fuel distribution and used waste oil industry from 2002 to 2004. He also held various senior financial roles at companies such as Safety-Kleen Corp., Laidlaw Environmental Services Inc., and USPCI Inc.

Dr. Louis F. Centofanti, Executive Vice President, Strategic Initiatives

Dr. Centofanti is the founder of Perma-Fix Environmental Services, serving as a director since its inception in 1991. He held the position of President and CEO of the company from 1991 to 1995 and again from 1996 to 2017, and has been the EVP of Strategic Initiatives since September 2017. Earlier in his career, in 1981, Dr. Centofanti co-founded PPM, Inc., a hazardous waste management company specializing in treating PCB-contaminated oil, which was subsequently sold to USPCI, Inc.

Troy Eshleman, Chief Operating Officer

Mr. Eshleman was appointed COO of Perma-Fix Environmental Services on January 23, 2025. He has more than 34 years of experience in radioactive waste management facility operations, environmental remediation, hazardous and radioactive material logistics, and facility decommissioning. From 2019 to 2024, Mr. Eshleman founded and served as President of Oakleaf Environmental, Inc., a consulting firm that provided specialized support, including mergers and acquisitions, business strategy, and technical assistance, to private equity and commercial clients, as well as government entities like the U.S. Department of Energy.

Richard Grondin, Executive Vice President, Hanford and International Waste Operations

Mr. Grondin has held the position of EVP of Hanford and International Waste Operations since January 23, 2025. Prior to this, he served as the company's EVP of Waste Treatment Operations starting in July 2020. Since joining Perma-Fix in 2002, Mr. Grondin has held various positions within the company's Treatment Segment, including Vice President of Technical Services, Vice President/General Manager of the Perma-Fix Northwest Richland, Inc. Facility, and Vice President of Western Operations.

AI Analysis | Feedback

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The key risks to Perma-Fix Environmental Services (PESI) primarily stem from its reliance on government contracts and the highly regulated nature of its operations.

  1. Dependency on Government Contracts and Funding: Perma-Fix Environmental Services largely depends on contracts with U.S. federal agencies, including the Department of Energy, Environmental Protection Agency, and Department of Defense, for a significant portion of its revenue. This reliance exposes the company to risks associated with federal budget allocations, the timing of large-scale government project phases, and potential government shutdowns. Changes in government spending priorities or delays in contract awards can lead to unpredictable revenue streams and impact the company's financial stability.
  2. Highly Regulated Industry and Operational Hazards: Operating in nuclear, low-level radioactive, and hazardous waste treatment, Perma-Fix Environmental Services is subject to stringent environmental regulations and high government standards. The inherent hazards of handling such materials pose operational risks. Failure to comply with evolving regulations or manage the complexities of the nuclear services market can result in regulatory penalties, operational vulnerabilities, and potential liabilities.
  3. Project Delays and Revenue Volatility: The company's revenue can be inconsistent ("lumpy") due to the often-delayed nature of large government projects, such as the Hanford Site cleanup. Delays in the commencement or progression of these significant projects can impact the timing and realization of anticipated revenues, creating volatility in the company's financial performance.
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Perma-Fix Environmental Services (PESI) operates in several addressable markets, primarily in the United States, covering waste management, environmental services, and medical isotope production.

Treatment Segment (Nuclear, Radioactive, Mixed, and Hazardous/Non-Hazardous Waste Treatment)

  • Radioactive and Nuclear Waste Management: The global radioactive waste management market was estimated at approximately $5.514.2 million in 2024 and is projected to reach $27402.7 million by 2033, exhibiting a compound annual growth rate (CAGR) of 6.189% from 2025 to 2033. North America held a major market share of more than 40% of the global revenue for radioactive waste management in 2024, with a market size of $2205.68 million. The U.S. nuclear waste management market is projected to be worth around $1.47 billion by 2034, growing from $1.23 billion in 2025, at a CAGR of 1.97% from 2025 to 2034. The low-level waste segment dominated the nuclear waste management market in 2024.
  • Hazardous Waste Management: The global hazardous waste management market size was valued at $18.94 billion in 2025 and is projected to grow to $31.68 billion by 2034, with a CAGR of 5.88% during the forecast period. The hazardous waste management market in the United States is expected to reach a projected revenue of $7,257.5 million by 2033, growing from $4,660.1 million in 2025 at a CAGR of 5.8% from 2026 to 2033.

Services Segment (Decontamination and Decommissioning, Environmental Consulting, etc.)

  • Nuclear Decommissioning Services: The U.S. nuclear decommissioning services market generated revenue of $1,974.8 million in 2023 and is expected to reach $2,751.4 million by 2030, growing at a CAGR of 4.9% from 2024 to 2030. Globally, the nuclear decommissioning market size was valued at $4.52 billion in 2024 and is poised to grow to $7.07 billion by 2033, at a CAGR of 5.1% during the forecast period (2026–2033).
  • Environmental Consulting Services: The global environmental consulting services market size was estimated at $43.20 billion in 2024 and is predicted to increase to approximately $92.85 billion by 2034, expanding at a CAGR of 7.95% from 2025 to 2034. The market size of environmental consulting in the U.S. was $26.9 billion in 2024. North America is anticipated to continue its dominance in the environmental consulting services market.

Medical Segment (Medical Isotope Production Technology)

  • Medical Isotopes and Radiopharmaceuticals: The global medical isotope production market size accounted for $4.71 billion in 2025 and is predicted to increase to approximately $9.69 billion by 2034, expanding at a CAGR of 8.34% from 2025 to 2034. The global radiopharmaceuticals market size was valued at $7.9 billion in 2023 and is estimated to reach $21.8 billion by 2033, exhibiting a CAGR of 10.6% from 2024 to 2033. North America held a significant share of over 40% in the radiopharmaceuticals industry in 2023. The U.S. radiopharmaceuticals market size was evaluated at $2.43 billion in 2024 and is projected to be worth around $5.13 billion by 2034, growing at a CAGR of 7.38% from 2025 to 2034.
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Perma-Fix Environmental Services (PESI) is expected to drive future revenue growth over the next two to three years through several key initiatives and market opportunities:

  1. Hanford Waste Shipments (DFLAW Program): The company is positioned to generate significant revenue from the Department of Energy's (DOE) Direct-Feed Low-Activity Waste (DFLAW) facility at Hanford. Perma-Fix Northwest is the designated commercial treatment pathway for secondary waste streams generated during vitrification operations, with an anticipated $1 million to $2 million in monthly revenue commencing in late 2025 or early 2026.
  2. Advancements in PFAS Destruction Technology: Perma-Fix is developing and commercializing its proprietary PFAS (Per- and polyfluoroalkyl substances) destruction technology. The first-generation Perma-FAS system is operational, and a second-generation unit, capable of tripling capacity, is slated for commissioning in the first quarter of 2026, with projected revenue ramping up to $500,000 per month by the end of 2026.
  3. Growth in the Treatment Segment: The company's Treatment segment has demonstrated strong year-over-year revenue increases, fueled by higher waste volumes, a more favorable waste mix with higher average prices, and an expansion of international and commercial customer shipments. This segment's growing backlog provides revenue visibility into 2026.
  4. New Federal and Commercial Contracts in Services: Despite previous project delays, Perma-Fix continues to actively bid on various federal projects and is pursuing new growth opportunities in both government and commercial sectors that align with its core competencies. Notably, the company secured a position on the Navy's $240 million indefinite-delivery, indefinite-quantity (IDIQ) contract.
  5. Expanded Capacity at Richland Facility: Perma-Fix Environmental Services received an expanded Dangerous Mixed Waste Permit Renewal for its Perma-Fix Northwest (PFNW) Mixed Waste Facility in Richland, Washington, effective January 1, 2026. This expansion approximately triples the facility's liquid mixed waste processing capacity, enabling the company to handle larger waste volumes and cater to increased demand.

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Share Repurchases

  • Perma-Fix Environmental Services has shown a negative 3-Year Average Share Buyback Ratio of -11.6, indicating share repurchases over the period.
  • The company's Buyback Yield for the last 12 months was -23.99%.

Share Issuance

  • In December 2024, Perma-Fix announced the pricing of a $22 million public offering of common stock.

Inbound Investments

  • During the fourth quarter of 2025, Mak Capital One LLC significantly boosted its stake, acquiring shares valued at approximately $11.57 million.
  • Millennium Management LLC, Squarepoint Ops LLC, Price T Rowe Associates Inc. MD, and Barclays PLC also acquired new or increased stakes in Perma-Fix Environmental Services during Q4 2025, with individual investments ranging from approximately $142,000 to $486,000.

Capital Expenditures

  • Perma-Fix's capital expenditures for the most recent 12 months were approximately $3.79 million.
  • Over the past five years, the average capital expenditure for the company was around $1.04 million, reaching a high of $1.42 million.
  • The company plans to build a second, larger PFAS treatment facility by mid-year 2025, with a new, larger unit expected to be operational in Q1 2026, focusing on expanding its PFAS destruction capabilities.

Better Bets vs. Perma-Fix Environmental Services (PESI)

Latest Trefis Analyses

Title
0ARTICLES

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

PESICLHRSGGFLACMJMedian
NamePerma-Fi.Clean Ha.Republic.GFL Envi.AECOM Jacobs S. 
Mkt Price10.88287.25207.4335.0169.42122.8596.13
Mkt Cap0.215.264.112.68.914.413.5
Rev LTM596,05816,6956,70015,98613,1759,937
Op Inc LTM-156813,3473701,073598639
FCF LTM-184632,59497410484437
FCF 3Y Avg-123482,306102645624486
CFO LTM-128714,4981,310554572722
CFO 3Y Avg-87864,1301,271763726774

Growth & Margins

PESICLHRSGGFLACMJMedian
NamePerma-Fi.Clean Ha.Republic.GFL Envi.AECOM Jacobs S. 
Rev Chg LTM-0.9%1.9%3.2%6.9%-0.4%12.7%2.5%
Rev Chg 3Y Avg-6.1%4.6%5.8%-1.9%5.8%10.3%5.2%
Rev Chg Q-20.1%1.9%2.6%5.4%0.8%27.0%2.3%
QoQ Delta Rev Chg LTM-4.5%0.5%0.6%1.3%0.2%6.3%0.5%
Op Inc Chg LTM-3.6%3.7%1.7%70.5%9.7%-23.8%2.7%
Op Inc Chg 3Y Avg-122.7%0.8%10.4%69.8%13.3%2.4%6.4%
Op Mgn LTM-26.3%11.2%20.0%5.5%6.7%4.5%6.1%
Op Mgn 3Y Avg-18.4%11.2%19.8%4.2%6.1%5.6%5.8%
QoQ Delta Op Mgn LTM-7.3%0.1%0.0%0.4%-0.0%-2.6%0.0%
CFO/Rev LTM-21.1%14.4%26.9%19.6%3.5%4.3%9.4%
CFO/Rev 3Y Avg-13.8%13.5%25.7%19.1%4.8%7.0%10.2%
FCF/Rev LTM-30.1%7.6%15.5%1.5%2.6%3.7%3.1%
FCF/Rev 3Y Avg-19.9%5.9%14.3%1.6%4.1%6.0%5.0%

Valuation

PESICLHRSGGFLACMJMedian
NamePerma-Fi.Clean Ha.Republic.GFL Envi.AECOM Jacobs S. 
Mkt Cap0.215.264.112.68.914.413.5
P/S3.42.53.81.90.61.12.2
P/Op Inc-13.022.319.233.98.324.120.7
P/EBIT-14.021.520.218.58.221.919.4
P/E-11.438.429.660.117.737.833.7
P/CFO-16.217.414.39.616.125.215.2
Total Yield-8.8%2.6%4.6%1.7%7.3%3.2%2.9%
Dividend Yield0.0%0.0%1.2%0.0%1.6%0.5%0.3%
FCF Yield 3Y Avg-7.4%2.8%3.4%0.6%5.2%3.8%3.1%
D/E0.00.20.20.80.40.30.3
Net D/E-0.00.20.20.70.20.20.2

Returns

PESICLHRSGGFLACMJMedian
NamePerma-Fi.Clean Ha.Republic.GFL Envi.AECOM Jacobs S. 
1M Rtn16.4%-4.8%-3.3%-6.7%-2.9%8.5%-3.1%
3M Rtn-10.5%-1.3%-6.3%-17.3%-22.7%-3.6%-8.4%
6M Rtn-16.5%20.8%-2.8%-20.7%-27.7%-6.7%-11.6%
12M Rtn8.3%27.3%-15.8%-29.2%-37.4%-3.4%-9.6%
3Y Rtn-1.0%83.3%47.4%-5.7%-17.5%31.7%15.3%
1M Excs Rtn16.1%-5.0%-3.5%-6.9%-3.1%8.2%-3.3%
3M Excs Rtn-22.5%-13.3%-18.3%-29.3%-34.7%-15.6%-20.4%
6M Excs Rtn-29.9%10.5%-12.0%-29.4%-37.5%-17.7%-23.5%
12M Excs Rtn-14.9%3.7%-38.6%-52.2%-60.9%-27.3%-32.9%
3Y Excs Rtn-74.9%11.2%-21.6%-78.2%-86.8%-38.8%-56.8%

Comparison Analyses

null

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Treatment4535433333
Services1724463739
Corporate0000 
Intercompany revenues   -0 
Total6259907172


Operating Income by Segment
$ Mil20252024202320072006
Treatment-1-62  
Services-2-26  
Corporate-8-7-7  
Consulting Engineering Services   00
Nuclear Waste   612
Indusrial Waste Management Services    -2
Total-12-161711


Net Income by Segment
$ Mil20232022202120202019
Services62-281
Treatment22228
Corporate-7-72-6-6
Medical  -2-0-0
Total1-3133


Assets by Segment
$ Mil20232022202120202019
Treatment4038373234
Corporate2825252417
Services108152215
Medical  000
Total7971777967


Price Behavior

Price Behavior
Market Price$10.88 
Market Cap ($ Bil)0.2 
First Trading Date08/18/1995 
Distance from 52W High-31.0% 
   50 Days200 Days
DMA Price$10.99$12.29
DMA Trenddowndown
Distance from DMA-1.0%-11.5%
 3M1YR
Volatility67.3%65.5%
Downside Capture254.43192.30
Upside Capture116.10150.78
Correlation (SPY)34.0%35.4%
PESI Betas & Captures as of 5/31/2026

 1M2M3M6M1Y3Y
Beta-1.191.081.411.861.831.26
Up Beta-3.391.550.981.161.901.15
Down Beta-4.30-3.020.962.442.441.23
Up Capture-176%31%64%153%135%150%
Bmk +ve Days13283667141432
Stock +ve Days8192757125355
Down Capture338%309%255%204%151%109%
Bmk -ve Days7132757109318
Stock -ve Days11193364119381

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with PESI
PESI5.3%65.4%0.34-
Sector ETF (XLI)26.8%16.2%1.2832.7%
Equity (SPY)24.5%12.4%1.4835.0%
Gold (GLD)24.7%27.5%0.7912.5%
Commodities (DBC)22.7%18.9%0.95-5.2%
Real Estate (VNQ)10.6%13.8%0.4918.8%
Bitcoin (BTCUSD)-38.7%42.4%-1.0423.6%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with PESI
PESI9.6%59.8%0.39-
Sector ETF (XLI)13.4%17.5%0.6024.2%
Equity (SPY)13.4%17.1%0.6121.1%
Gold (GLD)16.9%18.3%0.757.6%
Commodities (DBC)7.5%19.4%0.294.4%
Real Estate (VNQ)1.9%18.9%0.0017.6%
Bitcoin (BTCUSD)12.3%54.2%0.4212.3%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with PESI
PESI7.2%59.6%0.37-
Sector ETF (XLI)14.1%20.0%0.6221.9%
Equity (SPY)15.2%18.0%0.7220.7%
Gold (GLD)12.4%16.1%0.635.3%
Commodities (DBC)5.9%18.0%0.268.5%
Real Estate (VNQ)5.3%20.7%0.2219.5%
Bitcoin (BTCUSD)60.4%66.8%1.009.3%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date5292026
Short Interest: Shares Quantity1.5 Mil
Short Interest: % Change Since 5152026-1.0%
Average Daily Volume0.3 Mil
Days-to-Cover Short Interest6.0 days
Basic Shares Quantity18.5 Mil
Short % of Basic Shares8.0%

Earnings Returns History

Updated 6/12/2026
Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
5/11/2026-0.3%-15.0%-14.1%
3/23/20233.1%26.1%-10.9%
8/11/2021-1.5%-2.2%7.9%
5/6/2021-2.0%-2.8%-5.4%
11/5/2020-9.3%-0.9%-4.2%
8/7/20200.0%-2.7%-4.7%
SUMMARY STATS   
# Positive211
# Negative455
Median Positive1.6%26.1%7.9%
Median Negative-1.8%-2.7%-5.4%
Max Positive3.1%26.1%7.9%
Max Negative-9.3%-15.0%-14.1%
Collapse to Preview
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
5/11/2026-0.3%-15.0%-14.1%
3/23/20233.1%26.1%-10.9%
8/11/2021-1.5%-2.2%7.9%
5/6/2021-2.0%-2.8%-5.4%
11/5/2020-9.3%-0.9%-4.2%
8/7/20200.0%-2.7%-4.7%
SUMMARY STATS   
# Positive211
# Negative455
Median Positive1.6%26.1%7.9%
Median Negative-1.8%-2.7%-5.4%
Max Positive3.1%26.1%7.9%
Max Negative-9.3%-15.0%-14.1%

SEC Filings

Expand for More
Report DateFiling DateFiling
03/31/202605/07/202610-Q
12/31/202503/24/202610-K
09/30/202511/10/202510-Q
06/30/202508/07/202510-Q
03/31/202505/08/202510-Q
12/31/202403/13/202510-K
09/30/202411/13/202410-Q
06/30/202408/08/202410-Q
03/31/202405/09/202410-Q
12/31/202303/13/202410-K
09/30/202311/02/202310-Q
06/30/202308/03/202310-Q
03/31/202305/10/202310-Q
12/31/202203/23/202310-K
09/30/202211/03/202210-Q
06/30/202208/05/202210-Q
Collapse to Preview
Report DateFiling DateFiling
03/31/202605/07/202610-Q
12/31/202503/24/202610-K
09/30/202511/10/202510-Q
06/30/202508/07/202510-Q
03/31/202505/08/202510-Q
12/31/202403/13/202510-K
09/30/202411/13/202410-Q
06/30/202408/08/202410-Q
03/31/202405/09/202410-Q
12/31/202303/13/202410-K
09/30/202311/02/202310-Q
06/30/202308/03/202310-Q
03/31/202305/10/202310-Q
12/31/202203/23/202310-K
09/30/202211/03/202210-Q
06/30/202208/05/202210-Q
03/31/202205/05/202210-Q
12/31/202104/06/202210-K
09/30/202111/12/202110-Q
06/30/202108/11/202110-Q
03/31/202105/06/202110-Q
12/31/202003/29/202110-K
09/30/202011/05/202010-Q
06/30/202008/07/202010-Q
03/31/202005/12/202010-Q
12/31/201903/20/202010-K
09/30/201911/07/201910-Q
06/30/201908/08/201910-Q

Insider Activity

Updated 4/26/2026
Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Duggan, Kerry CDirectSell91620258.605,65348,61631,648Form
2Duff, MarkPresident and CEODirectBuy91220258.058977,2211,083,176Form
3Shelton, LarryDirectBuy91220258.581,0008,5751,628,259Form
4Shelton, LarryDirectBuy91020259.611,0009,6101,815,156Form
5Duggan, Kerry CDirectSell60220250.0016,634  Form
Collapse to Preview
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Duggan, Kerry CDirectSell91620258.605,65348,61631,648Form
2Duff, MarkPresident and CEODirectBuy91220258.058977,2211,083,176Form
3Shelton, LarryDirectBuy91220258.581,0008,5751,628,259Form
4Shelton, LarryDirectBuy91020259.611,0009,6101,815,156Form
5Duggan, Kerry CDirectSell60220250.0016,634  Form
Core Cache Last Updated: 6/17/2026