Who Owns Perma-Fix Environmental Services, Inc. (PESI)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$9.00000050360004e+194T
% of Float Held
—
QoQ Change in Holders
+9 / -4
Price History
PESI — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| DIAMOND HILL CAPITAL MANAGEMENT INC | New Position | +387K | +$4.0B |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | +81K | +$827.1M |
| GatePass Capital, LLC | New Position | +65K | +$815.0M |
| D. E. Shaw & Co., Inc. | Increased | +50K | +$532.3M |
| Brookwood Investment Group LLC | New Position | +21K | +$262.0M |
| BAILARD, INC. | New Position | +18K | +$224.0M |
| Oxler Private Wealth LLC | New Position | +17K | +$214.0M |
| Quent Capital, LLC | New Position | +16K | +$203.0M |
| UBS Group AG | Increased | +4K | +$111.4M |
| North Star Investment Management Corp. | New Position | +4K | +$55.0M |
| GROUP ONE TRADING LLC | Increased | +501 | +$14.4M |
| FLAGSHIP HARBOR ADVISORS, LLC | New Position | +910 | +$11.0M |
| Potomac Capital Management, Inc. | New Position | +342K | +$4.3M |
| MAK CAPITAL ONE LLC | Increased | +103K | +$3.3M |
| VANGUARD GROUP INC | Increased | +32K | +$1.5M |
PESI — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| Ancora Advisors LLC | Decreased | -92K | -$1.5B |
| CITADEL ADVISORS LLC | Decreased | -24K | -$607.7M |
| Trexquant Investment LP | Closed Position | -42K | -$425.8M |
| NORTHERN TRUST CORP | Decreased | -12K | -$368.2M |
| OSAIC HOLDINGS, INC. | Decreased | -20K | -$362.5M |
| RHUMBLINE ADVISERS | Decreased | -1K | -$231.5M |
| Verition Fund Management LLC | Closed Position | -14K | -$146.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Decreased | -286 | -$83.9M |
| ROYAL BANK OF CANADA | Decreased | -3K | -$42.0M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | Decreased | -10 | -$10.9M |
| Sterling Capital Management LLC | Decreased | -156 | -$10.3M |
| Arax Advisory Partners | Decreased | -217 | -$2.3M |
| VAN ECK ASSOCIATES CORP | Closed Position | -220K | -$2.2M |
| MORGAN STANLEY | Decreased | -33K | -$1.0M |
| Legato Capital Management LLC | Closed Position | -56K | -$570K |
Top Institutional Holders(Q4 2025)
PESI Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 82 | $27.8B | +21 |
| Q3 2025 | 61 | $25.6B | +5 |
| Q2 2025 | 56 | $30.8B | -19 |
| Q1 2025 | 75 | $34.7B | +6 |
| Q4 2024 | 69 | $40.2B | +12 |
| Q3 2024 | 57 | $612.3B | +6 |
| Q2 2024 | 51 | $428.3B | +15 |
| Q1 2024 | 36 | $256.7B | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold PESI (Perma-Fix Environmental Services, Inc.). The largest holder is PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. with $9.0B in shares. This quarter, 9 institutions opened new positions and 4 closed their positions.
Frequently Asked Questions
How many hedge funds own PESI?
As of Q4 2025, 50 institutional investors report holding PESI (Perma-Fix Environmental Services, Inc.) in their 13F filings.
Who is the largest institutional holder of PESI?
The largest institutional holder of PESI is PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. with $9.0B in shares.
Is institutional ownership of PESI increasing or decreasing?
This quarter, 9 institutions opened new positions in PESI and 4 closed their positions.