PERMA-FIX ENVIRONMENTAL SVCS PESI
$13.51
-11.7% 52w: $8.19 – $15.76
Latest 13F among current holders filed 33 days ago (Jun 2, 2026)
Price — last 12 months
research preview data8.1911.9715.76
Jun 20, 2025 Jul 2, 2026
Institutional holders
85
+1 QoQ
13F value
$80.9M
-18.4% QoQ
Smart-money holders
6
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
0.3×
$545K calls / $1.8M puts
Institutional value by quarter
Number of holders
Who owns PESI?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 1.2M | $12.5M | 0.0% | -2.3% |
| MAK CAPITAL ONE LLC ★2 | Fundamental concentrated | 918.7K | $9.8M | 1.6% | Held |
| Prescott Group Capital Management, L.L.C. | Other | 777.1K | $8.3M | 0.8% | Held |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 759.4K | $8.1M | 0.0% | — |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 432.7K | $4.6M | 0.0% | +2.3% |
| HEARTLAND ADVISORS INC | Other | 400.0K | $4.3M | 0.2% | Held |
| DIAMOND HILL CAPITAL MANAGEMENT INC | Other | 356.0K | $3.8M | 0.0% | -8.0% |
| STATE STREET CORP | Index provider | 335.5K | $3.6M | 0.0% | +7.5% |
| Potomac Capital Management, Inc. ★2 | Fundamental diversified | 296.7K | $3.2M | 2.8% | -13.2% |
| GROUP ONE TRADING LLC | Market maker | 247.7K | $2.6M | 0.1% | +6050.3% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 163.8K | $1.8M | 0.0% | -0.6% |
| GOLDMAN SACHS GROUP INC | Bank broker | 142.7K | $1.5M | 0.0% | +98.3% |
| NORTHERN TRUST CORP | Index provider | 129.6K | $1.4M | 0.0% | +4.9% |
| North Star Investment Management Corp. | Diversified mechanical | 120.5K | $1.3M | 0.1% | +2639.4% |
| MYDA Advisors LLC | Quant stat arb | 120.0K | $1.3M | 0.3% | +20.0% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 119.3K | $1.3M | 0.0% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 100.3K | $1.1M | 0.0% | — |
| CITADEL ADVISORS LLC | Multistrat pod | 69.3K | $741K | 0.0% | +91.8% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 63.0K | $673K | 0.0% | -34.4% |
| UBS Group AG | Bank broker | 62.1K | $664K | 0.0% | +114.3% |
| Squarepoint Ops LLC | Quant stat arb | 51.9K | $555K | 0.0% | +41.0% |
| Pale Fire Capital SE ★2 | Fundamental concentrated | 48.6K | $520K | 0.0% | +12.5% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 45.2K | $483K | 0.0% | +3.5% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 43.6K | $466K | 0.0% | -10.3% |
| Bank of New York Mellon Corp | Diversified mechanical | 40.4K | $432K | 0.0% | -8.4% |
| CORSAIR CAPITAL MANAGEMENT, L.P. ★2 | Fundamental diversified | 37.6K | $402K | 0.1% | +73.9% |
| SIMPLEX TRADING, LLC | Market maker | 31.3K | $335K | 0.0% | New |
| GatePass Capital, LLC | Other | 29.7K | $318K | 0.2% | -54.1% |
| JANE STREET GROUP, LLC | Market maker | 28.5K | $305K | 0.0% | -80.2% |
| MORGAN STANLEY | Bank broker | 26.7K | $286K | 0.0% | -60.0% |
| XTX Topco Ltd | Market maker | 23.2K | $248K | 0.0% | New |
| Nuveen, LLC | Diversified mechanical | 22.5K | $240K | 0.0% | Held |
| RHUMBLINE ADVISERS | Diversified mechanical | 21.4K | $229K | 0.0% | -0.1% |
| WELLS FARGO & COMPANY/MN | Bank broker | 20.8K | $223K | 0.0% | -35.2% |
| Rothschild Wealth LLC | Wealth advisor | 20.6K | $220K | 0.0% | -87.6% |
| BROWN ADVISORY INC | Diversified mechanical | 20.0K | $214K | 0.0% | New |
| GUIDANCE CAPITAL, INC | Wealth advisor | 16.3K | $211K | 0.0% | -5.1% |
| BAILARD, INC. | Other | 17.8K | $190K | 0.0% | Held |
| Oxler Private Wealth LLC | Wealth advisor | 17.0K | $182K | 0.1% | Held |
| IMC-Chicago, LLC | Market maker | 16.9K | $181K | 0.0% | New |
| Quent Capital, LLC | Wealth advisor | 16.2K | $173K | 0.0% | Held |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 16.1K | $172K | 0.0% | New |
| OSAIC HOLDINGS, INC. | Wealth advisor | 16.0K | $171K | 0.0% | +0.6% |
| DEUTSCHE BANK AG\ | Bank broker | 14.6K | $156K | 0.0% | +21.9% |
| Fermata Advisors, LLC | Wealth advisor | 12.9K | $138K | 0.0% | +2.4% |
| Greenhaven Road Investment Management, L.P. ★3 | Fundamental concentrated | 11.3K | $120K | 0.1% | New |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 11.2K | $120K | 0.0% | Held |
| Invesco Ltd. | Index provider | 11.1K | $119K | 0.0% | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 11.1K | $119K | 0.0% | -88.7% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 10.7K | $114K | 0.0% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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