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ARS Investment Partners’s Perma-Fix Environmental Services PESI Stock Holding History

ARS Investment Partners’s Portfolio PESI Stock Details PESI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-36,145
Closed -$455K – 205
2025
Q4 		$455K Sell
36,145
-4,815
-12% -$61.4K 0.03% 127
2025
Q3 		$414K Sell
40,960
-43,265
-51% -$478K 0.03% 128
2025
Q2 		$886K Buy
84,225
+986
+1% +$9.07K 0.06% 98
2025
Q1 		$921K Hold
83,239
– – 0.08% 92
2024
Q4 		$921K Sell
83,239
-54,813
-40% -$721K 0.08% 92
2024
Q3 		$1.69M Sell
138,052
-6,276
-4% -$67.1K 0.15% 70
2024
Q2 		$1.46M Sell
144,328
-8,099
-5% -$89.7K 0.14% 67
2024
Q1 		$1.81M Sell
152,427
-10,795
-7% -$93.3K 0.18% 61
2023
Q4 		$1.28M Sell
163,222
-4,861
-3% -$41.1K 0.14% 71
2023
Q3 		$1.76M Sell
168,083
-4,647
-3% -$51.2K 0.22% 58
2023
Q2 		$1.9M Buy
172,730
+17,389
+11% +$181K 0.22% 58
2023
Q1 		$1.83M Sell
155,341
-17,384
-10% -$113K 0.22% 61
2022
Q4 		$610K Buy
172,725
+25,726
+18% +$98.9K 0.08% 86
2022
Q3 		$659K Buy
146,999
+4,071
+3% +$20.9K 0.09% 89
2022
Q2 		$742K Buy
142,928
+9,000
+7% +$49.9K 0.1% 81
2022
Q1 		$741K Buy
133,928
+22,731
+20% +$133K 0.07% 93
2021
Q4 		$704K Buy
111,197
+41,197
+59% +$285K 0.06% 97
2021
Q3 		$466K Buy
+70,000
New +$430K 0.05% 107

Other funds holding PESI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
MCO
MAK Capital One New York $679M AUM 29.02% 1-Year Est. Return
PGCM
Prescott Group Capital Management Tulsa, Oklahoma $1B AUM 51.95% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
HA
Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return
Diamond Hill Capital Management
Diamond Hill Capital Management Columbus, Ohio $16B AUM 4.15% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PCM
Potomac Capital Management New York $115M AUM
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

ARS Investment Partners's PESI Position: Q1 2026 in Review

ARS Investment Partners sold out of Perma-Fix Environmental Services (PESI) in Q1 2026, closing a stake of 36,145 shares — an estimated $455K sold.

ARS Investment Partners first reported a position in PESI in Q3 2021 and held it in 18 quarters. The position peaked at $1.9M in Q2 2023. 85 funds tracked by Wall St. Rank hold PESI as of Q1 2026.

  • ARS Investment Partners reported no remaining Perma-Fix Environmental Services position as of Q1 2026 after selling out during the quarter.
  • ARS Investment Partners sold 36,145 Perma-Fix Environmental Services shares in Q1 2026, an estimated $455K.
  • ARS Investment Partners first reported a position in Perma-Fix Environmental Services in Q3 2021 and held it in 18 quarters.
  • ARS Investment Partners's Perma-Fix Environmental Services position peaked at $1.9M in Q2 2023.
  • 85 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q1 2026.

Based on ARS Investment Partners's 13F filing for Q1 2026, filed 16 Apr 2026.