Greenhaven Road Investment Management, L.P.
Position in PESI — Perma Fix Environmental Services Inc
CIK 1741129
GREENWICH, CT
Position in PESI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$120,829
+$7,980 QoQ
Shares Held
11,303
+4.7% QoQ
Ownership
0.061%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
9 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in PESI Over Time
Shares Held
Position Value (USD)
Position in Waste Management
Industrials · as of Mar 31, 2026Greenhaven Road Investment Management, L.P. holds $158,269 across 2 Waste Management names. PESI ranks #1 (76.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PESI |
Perma Fix Environmental Services Inc
This page
|
11,303 | $120,829 | |
| 2 | QRHC |
Quest Resource Holding Corp
|
31,463 | $37,440 |
All Filings in PESI
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $120,829 | 11,303 | Shares | Other | 2026-05-15 | |
| 2023-09-30 | $112,849 | 10,799 | Shares | Other | 2023-11-21 | |
| 2023-06-30 | $118,573 | 10,799 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $120,792 | 10,254 | Shares | Other | 2023-05-23 | |
| 2022-12-31 | $36,196 | 10,254 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $45,937 | 10,254 | Shares | Other | 2022-11-15 | |
| 2022-06-30 | $53,218 | 10,254 | Shares | Other | 2022-08-17 | |
| 2022-03-31 | $56,704 | 10,254 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $64,907 | 10,254 | Shares | Other | 2022-02-15 | |
| No filing history on record for this holder in this stock. | ||||||