Perma-Fix Environmental Services, Inc. (PESI) ownership: Schelhammer Capital Bank AG 16% · institutions 38% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 1170303.00 | $12.51M | 5.5% | 2026-03-31 |
| Vanguard | 984748.00 | $10.53M | 4.6% | 2026-03-31 |
| MAK Capital ONE LLC | 918673.00 | $9.82M | 4.3% | 2026-03-31 |
| Prescott Group Capital Management, L.L.C. | 777142.00 | $8.31M | 3.7% | 2026-03-31 |
| Geode Capital Management | 432701.00 | $4.63M | 2.0% | 2026-03-31 |
| Heartland Advisors Inc | 400000.00 | $4.28M | 1.9% | 2026-03-31 |
| Diamond Hill Capital Management Inc | 355978.00 | $3.81M | 1.7% | 2026-03-31 |
| State Street | 335547.00 | $3.59M | 1.6% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-13 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.