§ COMMERCIAL SERVICES & SUPPLIES
USD · Commercial Services & SuppliesPESI
PERMA-FIX ENVIRONMENTAL SVCS
USDSector · Commercial Services & Supplies
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
50 increased/new, 19 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 1.2M | 0.0% | −2% |
| MAK CAPITAL ONE LLC | 919K | 1.4% | ±0% |
| Prescott Group Capital Management, L.L.C. | 777K | 0.8% | ±0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 759K | n/a | n/a |
| Geode Capital Management | 433K | 0.0% | +2% |
| HEARTLAND ADVISORS INC | 400K | 0.2% | ±0% |
◇ AC INTELLIGENCE
Top institutional owners for PESI as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER53.9% · 0 holders
OTHER28.9% · 49 holders
PASSIVE / INDEX9.1% · 7 holders
DEALER / BANK4.5% · 15 holders
SYSTEMATIC / QUANT1.7% · 4 holders
QUALITY / COMPOUNDER1.1% · 5 holders
TACTICAL / MACRO0.5% · 1 holder
ACTIVIST0.3% · 1 holder
INCOME / DEFENSIVE0.1% · 3 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for PESI in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention PESI yet.