Perma-Fix Environmental Services
PESI
75 hedge funds and large institutions have $49.4M invested in Perma-Fix Environmental Services in 2025 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 30 increasing their positions, 17 reducing their positions, and 9 closing their positions.
76% more repeat investments, than reductions
Existing positions increased: 30 | Existing positions reduced: 17
22% more first-time investments, than exits
New positions opened: 11 | Existing positions closed: 9
3% more funds holding
Funds holding: 73 → 75 (+2)
9.87% less ownership
Funds ownership: 46.5% → 36.63% (-9.9%)
39% less capital invested
Capital invested by funds: $81.6M → $49.4M (-$32.2M)
75% less call options, than puts
Call options by funds: $109K | Put options by funds: $441K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$1.01M |
| 2 |
Diamond Hill Capital Management
Columbus,
Ohio
|
+$909K |
| 3 |
VanEck Associates
New York
|
+$739K |
| 4 |
AA
Ancora Advisors
Cleveland,
Ohio
|
+$682K |
| 5 |
Squarepoint
New York
|
+$656K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Alyeska Investment Group
Chicago,
Illinois
|
-$4.96M |
| 2 |
AIC
AWM Investment Company
New York
|
-$4.43M |
| 3 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
-$1.94M |
| 4 |
TSW
Thompson Siegel & Walmsley
Richmond,
Virginia
|
-$996K |
| 5 |
BFM
Boothbay Fund Management
New York
|
-$480K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
AIC
76
AWM Investment Company
New York
| – | -$4.43M | -400,000 | Closed |
|
|
PAMP
77
Polar Asset Management Partners
Toronto,
Ontario, Canada
| – | -$1.94M | -175,000 | Closed |
|
|
BFM
78
Boothbay Fund Management
New York
| – | -$480K | -43,326 | Closed |
|
|
PCM
79
Perkins Capital Management
Wayzata,
Minnesota
| – | -$277K | -25,000 | Closed |
|
|
HCM
80
Heights Capital Management
San Francisco,
California
| – | -$221K | -20,000 | Closed |
|
|
DC
81
Diametric Capital
Boston,
Massachusetts
| – | -$171K | -15,491 | Closed |
|
|
DFA
82
DHK Financial Advisors
Portsmouth,
New Hampshire
| – | -$121K | -10,966 | Closed |
|
|
LA
83
LVW Advisors
Pittsford,
New York
| – | -$111K | -10,000 | Closed |
|
|
VWM
84
Venturi Wealth Management
Austin,
Texas
| – | -$33.2K | -3,000 | Closed |
|
85
Carson Wealth (CWM LLC)
Omaha,
Nebraska
| – | -$126 | -14 | -44% |
|
PESI Hedge Fund Activity: Q1 2025 in Review
75 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Perma-Fix Environmental Services (PESI) for Q1 2025, worth a combined $49.4M — down 39% from $81.6M a quarter earlier.
Buyers outnumbered sellers: 11 funds opened new PESI positions and 9 closed out — a net gain of 2 holders — while 30 added to existing stakes and 17 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $1.01M. The largest seller was Alyeska Investment Group, cutting an estimated $4.96M.
- 75 institutional investors held Perma-Fix Environmental Services (PESI) as of Q1 2025, up from 73 in Q4 2024.
- Funds reported $49.4M of Perma-Fix Environmental Services stock for Q1 2025, down 39% quarter-over-quarter.
- 11 funds opened new Perma-Fix Environmental Services positions in Q1 2025 and 9 closed out, a net change of +2 holders.
- The largest Perma-Fix Environmental Services buyer in Q1 2025 was Citadel Advisors, an estimated $1.01M added.
- The largest Perma-Fix Environmental Services seller in Q1 2025 was Alyeska Investment Group, an estimated $4.96M sold.
Based on aggregated 13F filings for Q1 2025.