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Perma-Fix Environmental Services
PESI
PESI
85 hedge funds and large institutions have $80.9M invested in Perma-Fix Environmental Services in 2026 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 20 increasing their positions, 26 reducing their positions, and 13 closing their positions.
New
Increased
Maintained
Reduced
Closed
31% more first-time investments, than exits
New positions opened: 17 | Existing positions closed: 13
1% more funds holding
Funds holding: 84 → 85 (+1)
1.73% less ownership
Funds ownership: 42.53% → 40.81% (-1.7%)
18% less capital invested
Capital invested by funds: $99.2M → $80.9M (-$18.3M)
23% less repeat investments, than reductions
Existing positions increased: 20 | Existing positions reduced: 26
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
73% less call options, than puts
Call options by funds: $1.31M | Put options by funds: $4.85M
Holders
85
Holders Change
+1
Holders Change %
+1.19%
% of All Funds
1.05%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
17
Increased
20
Reduced
26
Closed
13
Calls
$1.31M
Puts
$4.85M
Net Calls
-$3.54M
Net Calls Change
-$3.8M
Top Buyers
| 1 |
Group One Trading
Chicago,
Illinois
|
+$3.35M |
| 2 |
NSIM
North Star Investment Management
Chicago,
Illinois
|
+$1.6M |
| 3 |
Goldman Sachs
New York
|
+$973K |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$456K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$455K |
Top Sellers
| 1 |
SL
Sentinus LLC
Oak Brook,
Illinois
|
-$2M |
| 2 |
Jane Street
New York
|
-$1.59M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$1.2M |
| 4 |
EI
EAM Investors
Solana Beach,
California
|
-$816K |
| 5 |
AA
Ancora Advisors
Cleveland,
Ohio
|
-$729K |
