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# Who owns PERMA FIX ENVIRONMENTAL SERVICES INC (PESI)? Elite investor 13F holders

1 tracked elite investors reported holding PERMA FIX ENVIRONMENTAL SERVICES INC as of 2026-06-30, including D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

1 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Commercial & Professional Services

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…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | PERMA-FIX ENVIRONMENTAL SVCS | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 355221.00 USD | 24858.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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