Who Owns PERMA-FIX ENVIRONMENTAL (PESI)? -- Institutional Holders (2026-06-30)
95 institutions reported holding $138.1M of PERMA-FIX ENVIRONMENTAL (PESI) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($17.9M), VANGUARD GROUP INC ($15.2M), MAK CAPITAL ONE LLC ($14.8M), Prescott Group Capital Management, L.L.C. ($11.1M), DIAMOND HILL CAPITAL MANAGEMENT INC ($9.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $17.9M | 1.3M | Added |
| 2 | VANGUARD GROUP INC | $15.2M | 1.1M | Added |
| 3 | MAK CAPITAL ONE LLC | $14.8M | 1.0M | Added |
| 4 | Prescott Group Capital Management, L.L.C. | $11.1M | 777,142 | Hold |
| 5 | DIAMOND HILL CAPITAL MANAGEMENT INC | $9.2M | 642,533 | Added |
| 6 | KENNEDY CAPITAL MANAGEMENT LLC | $8.7M | 610,903 | New |
| 7 | Potomac Capital Management, Inc. | $6.8M | 477,000 | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $6.5M | 455,156 | Added |
| 9 | HEARTLAND ADVISORS INC | $5.7M | 400,000 | Hold |
| 10 | STATE STREET CORP | $5.0M | 349,744 | Added |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3.6M | 249,734 | Added |
| 12 | DIMENSIONAL FUND ADVISORS LP | $2.7M | 191,063 | Added |
| 13 | CITADEL ADVISORS LLC | $2.4M | 166,426 | Added |
| 14 | GOLDMAN SACHS GROUP INC | $2.3M | 162,755 | Added |
| 15 | NORTHERN TRUST CORP | $2.0M | 141,639 | Added |
| 16 | GROUP ONE TRADING LLC | $1.8M | 123,211 | Trimmed |
| 17 | North Star Investment Management Corp. | $1.7M | 120,532 | Hold |
| 18 | Diametric Capital, LP | $1.6M | 114,714 | New |
| 19 | MYDA Advisors LLC | $1.3M | 90,000 | Trimmed |
| 20 | CM WEALTH ADVISORS LLC | $1.3M | 87,839 | New |
| 21 | XTX Topco Ltd | $898,670 | 62,888 | Added |
| 22 | IMC-Chicago, LLC | $886,909 | 62,065 | Added |
| 23 | Owls Nest Partners IA, LLC | $808,171 | 56,555 | New |
| 24 | Pale Fire Capital SE | $794,910 | 55,627 | Added |
| 25 | MORGAN STANLEY | $758,571 | 53,084 | Added |
Source: SEC Form 13F filings · as of 2026-06-30