What is the 13F Pro Quality Score for PESI?

13F Pro ranks PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View PESI's current score at https://13fpro.ai/research/PESI (free sign-up required for the full ranking).

Which hedge funds own the most PESI stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of PESI include BlackRock,, MAK CAPITAL ONE, PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/PESI as soon as new 13F filings post.

Where does 13F Pro source PESI data?

All PERMA FIX ENVIRONMENTAL SERVICES INC fundamentals and ownership data come directly from SEC EDGAR. PERMA FIX ENVIRONMENTAL SERVICES INC files with the SEC under CIK 891532. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is PESI in?

PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) is classified in the Utilities sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/utilities.

How often is PESI research updated on 13F Pro?

PESI's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

PERMA FIX ENVIRONMENTAL SERVICES INC(PESI)Stock Analysis

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13F Pro Quality Score

Not in ranked universe

Pending next ranking run

This company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. Rankings refresh on Jan 1, Apr 1, Jul 1, Oct 1.

Financial data, filings, and institutional holdings below are still tracked in full — only the proprietary quality composite is unavailable for this name.

PESI Stock Analysis & AI Quality Score

AI stock analysis and institutional research for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI), a Utilities sector company. PESI is not currently included in 13F Pro's AI-ranked quality universe — this company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. rankings refresh on jan 1, apr 1, jul 1, oct 1. Based on the latest XBRL financial filings (Q1 2026), PERMA FIX ENVIRONMENTAL SERVICES INC reports quarterly revenue of $11.1M, net income of $-7.5M, free cash flow of $-4.6M. Top institutional holders of PESI by reported 13-F value include BlackRock,, MAK CAPITAL ONE, PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C., based on the most recent SEC filings. PESI trades on the Nasdaq exchange and files with the SEC under CIK 891532. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate PESI daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for PERMA FIX ENVIRONMENTAL SERVICES INC directly from SEC EDGAR.

Revenue

Q1 2026

$11.1M

Net Income

Q1 2026

$-7.5M

Free Cash Flow

Q1 2026

$-4.6M

ROIC

Q1 2026

-16.7%

D/E Ratio

Q1 2026

0.05

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

-98.9% YoY

$642.0KFY 2025

FY22 $60.0MFY23 $89.7MFY24 $59.1MFY25 $642.0K

Net Income

+31.0% YoY

$-13.8MFY 2025

FY22 $-3.8MFY23 $485.0KFY24 $-20.0MFY25 $-13.8M

Operating Income

+25.2% YoY

$-11.7MFY 2025

FY22 $-5.4MFY23 $756.0KFY24 $-15.7MFY25 $-11.7M

EPS (Diluted)

+43.6% YoY

$-0.75FY 2025

FY22 $-0.29FY23 $0.04FY24 $-1.33FY25 $-0.75

Total Assets

-9.5% YoY

$88.0MFY 2025

FY22 $70.9MFY23 $78.7MFY24 $97.2MFY25 $88.0M

Total Debt

-15.0% YoY

$2.4MFY 2025

FY22 $1.5MFY23 $3.5MFY24 $2.9MFY25 $2.4M

Op. Cash Flow

+27.1% YoY

$-10.8MFY 2025

FY22 $-553.0KFY23 $6.5MFY24 $-14.7MFY25 $-10.8M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$642.0K -98.9%	$59.1M -34.1%	$89.7M +49.5%	$60.0M -1.3%	$60.8M -37.0%	$96.6M
Net Income	$-13.8M +31.0%	$-20.0M -4219.4%	$485.0K +112.7%	$-3.8M -557.0%	$835.0K -70.8%	$2.9M
Operating Income	$-11.7M +25.2%	$-15.7M -2174.3%	$756.0K +114.0%	$-5.4M +20.3%	$-6.8M -303.4%	$3.3M
EPS (Diluted)	$-0.75 +43.6%	$-1.33 -3425.0%	$0.04 +113.8%	$-0.29 -514.3%	$0.07 -69.6%	$0.23
Total Assets	$88.0M -9.5%	$97.2M +23.5%	$78.7M +11.1%	$70.9M -8.3%	$77.3M -2.1%	$78.9M
Total Debt	$2.4M -15.0%	$2.9M -18.6%	$3.5M +132.4%	$1.5M +9.3%	$1.4M -86.6%	$10.3M
Operating Cash Flow	$-10.8M +27.1%	$-14.7M -327.8%	$6.5M +1270.3%	$-553.0K +91.9%	$-6.8M -192.8%	$7.4M

AI Insight: PESI Financial Trends

PESI remains persistently unprofitable — Q1 2026 operating loss deepened to $7M, the worst in eight quarters, as revenue fell to $11M.

• Net losses narrowed from $-9M in Q3 2024 to $-2M in Q3 2025, but reversed sharply to $-7M in Q1 2026.

• Revenue contracted to $11M in Q1 2026, the lowest in the eight-quarter data set, versus a $17M peak in Q3 2024.

• Total debt edged down from $3M to $2M by Q3 2025, a modest deleveraging maintained through Q1 2026.

• Equity eroded from a $62M peak in Q4 2024 to $43M in Q1 2026, a $19M decline over five quarters.

⚠ Q1 2026 operating loss of $-7M is the steepest in the dataset — monitor whether this signals accelerating deterioration.

⚠ Operating cash outflows have persisted every quarter; sustained negative OCF risks further equity erosion.

⚠ Q4 2025 revenue is missing — confirmed revenue trajectory into 2026 remains unclear.

AI Insight: PESI Ratio Trends

PESI's profitability collapsed in Q1 2026, with operating margin plunging to -67.3% — the worst single quarter in the visible dataset — reversing a steady improvement trend through Q3 2025.

• Operating margin improved from -36.0% in Q2 2024 to -10.7% in Q3 2025, a meaningful multi-quarter recovery.

• Q1 2026 operating margin cratered to -67.3% and NPM to -67.3%, sharply reversing the prior improvement trajectory.

• ROIC deteriorated from -13.0% in Q3 2025 to -66.0% in Q1 2026, signaling severe capital destruction in the latest quarter.

• Leverage remains minimal; D/E held steady at 0.05 across Q4 2024 through Q1 2026, offering limited balance-sheet risk.

⚠ Q1 2026 operating margin of -67.3% versus Q3 2025's -10.7% — determine if a one-off charge or structural deterioration drove the spike.

⚠ TTM ROE of -41.2% and ROA of -21.7% suggest the Q1 2026 loss is dragging full-year returns materially negative.

⚠ Q4 2025 ROE of -45.1% alongside missing OpMargin/NPM data warrants scrutiny for additional undisclosed charges.

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Available Research

13F Pro tracks comprehensive data for PERMA FIX ENVIRONMENTAL SERVICES INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of PESI

BlackRock, Inc.
$12.5M1,170,303 sh
MAK CAPITAL ONE LLC
$9.8M918,673 sh
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.
$8.3M777,142 sh
VANGUARD CAPITAL MANAGEMENT LLC
$8.1M759,435 sh
GEODE CAPITAL MANAGEMENT, LLC
$4.6M432,701 sh
HEARTLAND ADVISORS INC
$4.3M400,000 sh
DIAMOND HILL CAPITAL MANAGEMENT INC
$3.8M355,978 sh
STATE STREET CORP
$3.6M335,547 sh
Potomac Capital Management, Inc.
$3.2M296,700 sh
GROUP ONE TRADING, L.P.
$2.7M254,300 sh

Fund	Value	Shares
BlackRock, Inc.	$12.5M	1,170,303
MAK CAPITAL ONE LLC	$9.8M	918,673
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	$8.3M	777,142
VANGUARD CAPITAL MANAGEMENT LLC	$8.1M	759,435
GEODE CAPITAL MANAGEMENT, LLC	$4.6M	432,701
HEARTLAND ADVISORS INC	$4.3M	400,000
DIAMOND HILL CAPITAL MANAGEMENT INC	$3.8M	355,978
STATE STREET CORP	$3.6M	335,547
Potomac Capital Management, Inc.	$3.2M	296,700
GROUP ONE TRADING, L.P.	$2.7M	254,300

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Is PESI a good stock to buy?

13F Pro's AI-powered analysis of PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Utilities sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for PESI are available on the PESI stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own PESI?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling PESI. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of PERMA FIX ENVIRONMENTAL SERVICES INC's investment landscape.