Renaissance Technologies
PESI icon

Renaissance Technologies’s Perma-Fix Environmental Services PESI Stock Holding History

Renaissance Technologies’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
2025
Q2 		– Sell
-11,474
Closed -$83.4K – 3806
2025
Q1 		$83.4K Sell
11,474
-23,322
-67% -$210K ﹤0.01% 3223
2024
Q4 		$385K Sell
34,796
-65,000
-65% -$855K ﹤0.01% 2959
2024
Q3 		$1.22M Sell
99,796
-27,100
-21% -$290K ﹤0.01% 2322
2024
Q2 		$1.29M Sell
126,896
-21,900
-15% -$243K ﹤0.01% 2177
2024
Q1 		$1.77M Sell
148,796
-19,200
-11% -$166K ﹤0.01% 2114
2023
Q4 		$1.32M Buy
167,996
+39,600
+31% +$335K ﹤0.01% 2220
2023
Q3 		$1.34M Buy
128,396
+4,200
+3% +$46.3K ﹤0.01% 2108
2023
Q2 		$1.36M Buy
124,196
+12,500
+11% +$130K ﹤0.01% 2252
2023
Q1 		$1.32M Sell
111,696
-13,800
-11% -$89.8K ﹤0.01% 2289
2022
Q4 		$443K Buy
125,496
+9,133
+8% +$35.1K ﹤0.01% 3014
2022
Q3 		$521K Sell
116,363
-19,033
-14% -$97.7K ﹤0.01% 2910
2022
Q2 		$703K Sell
135,396
-8,171
-6% -$45.3K ﹤0.01% 2941
2022
Q1 		$794K Sell
143,567
-12,029
-8% -$70.4K ﹤0.01% 2878
2021
Q4 		$985K Sell
155,596
-9,600
-6% -$66.4K ﹤0.01% 2651
2021
Q3 		$1.1M Sell
165,196
-35,192
-18% -$216K ﹤0.01% 2498
2021
Q2 		$1.43M Sell
200,388
-15,354
-7% -$110K ﹤0.01% 2470
2021
Q1 		$1.58M Sell
215,742
-6,800
-3% -$46K ﹤0.01% 2375
2020
Q4 		$1.33M Buy
222,542
+13,691
+7% +$89.8K ﹤0.01% 2355
2020
Q3 		$1.47M Sell
208,851
-567
-0.3% -$3.9K ﹤0.01% 2293
2020
Q2 		$1.34M Buy
209,418
+23,678
+13% +$137K ﹤0.01% 2406
2020
Q1 		$968K Sell
185,740
-6,903
-4% -$48.9K ﹤0.01% 2440
2019
Q4 		$1.75M Buy
192,643
+52,900
+38% +$334K ﹤0.01% 2385
2019
Q3 		$634K Sell
139,743
-849
-0.6% -$3.31K ﹤0.01% 2778
2019
Q2 		$550K Buy
140,592
+1,902
+1% +$7.65K ﹤0.01% 2953
2019
Q1 		$487K Sell
138,690
-105
-0.1% -$349 ﹤0.01% 2929
2018
Q4 		$326K Sell
138,795
-2,313
-2% -$7.74K ﹤0.01% 3002
2018
Q3 		$593K Buy
141,108
+14,107
+11% +$64.6K ﹤0.01% 2795
2018
Q2 		$572K Buy
127,001
+29,401
+30% +$133K ﹤0.01% 2797
2018
Q1 		$405K Buy
97,600
+670
+0.7% +$2.61K ﹤0.01% 2979
2017
Q4 		$354K Buy
96,930
+4,030
+4% +$15.3K ﹤0.01% 2975
2017
Q3 		$353K Buy
92,900
+5,694
+7% +$20.9K ﹤0.01% 2870
2017
Q2 		$318K Sell
87,206
-9,946
-10% -$34.4K ﹤0.01% 2886
2017
Q1 		$306K Sell
97,152
-11,548
-11% -$38.3K ﹤0.01% 2905
2016
Q4 		$424K Buy
108,700
+12,400
+13% +$52.2K ﹤0.01% 2811
2016
Q3 		$482K Buy
96,300
+7,300
+8% +$37.2K ﹤0.01% 2826
2016
Q2 		$453K Buy
89,000
+20,156
+29% +$88.1K ﹤0.01% 2826
2016
Q1 		$255K Buy
68,844
+13,644
+25% +$51.2K ﹤0.01% 3020
2015
Q4 		$205K Buy
55,200
+9,617
+21% +$38.6K ﹤0.01% 2989
2015
Q3 		$184K Sell
45,583
-317
-0.7% -$1.22K ﹤0.01% 2912
2015
Q2 		$175K Buy
45,900
+4,700
+11% +$17.2K ﹤0.01% 3008
2015
Q1 		$160K Buy
+41,200
New +$174K ﹤0.01% 2934
2014
Q2 		– Sell
-13,600
Closed -$66K – 2923
2014
Q1 		$66K Buy
+13,600
New +$48.4K ﹤0.01% 2743

Other funds holding PESI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PGCM
Prescott Group Capital Management Tulsa, Oklahoma $1B AUM 51.95% 1-Year Est. Return
HA
Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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
EIM
Essex Investment Management Boston, Massachusetts $632M AUM 95.36% 1-Year Est. Return
AA
Ancora Advisors Cleveland, Ohio $4.7B AUM 19.05% 1-Year Est. Return
PCM
Perritt Capital Management Chicago, Illinois $59.8M AUM 26.94% 1-Year Est. Return

Renaissance Technologies's PESI Position: Q2 2025 in Review

Renaissance Technologies sold out of Perma-Fix Environmental Services (PESI) in Q2 2025, closing a stake of 11,474 shares — an estimated $83.4K sold.

Renaissance Technologies first reported a position in PESI in Q1 2014 and held it in 42 quarters. The position peaked at $1.77M in Q1 2024. 69 funds tracked by Wall St. Rank hold PESI as of Q2 2025.

  • Renaissance Technologies reported no remaining Perma-Fix Environmental Services position as of Q2 2025 after selling out during the quarter.
  • Renaissance Technologies sold 11,474 Perma-Fix Environmental Services shares in Q2 2025, an estimated $83.4K.
  • Renaissance Technologies first reported a position in Perma-Fix Environmental Services in Q1 2014 and held it in 42 quarters.
  • Renaissance Technologies's Perma-Fix Environmental Services position peaked at $1.77M in Q1 2024.
  • 69 funds tracked by Wall St. Rank held Perma-Fix Environmental Services as of Q2 2025.

Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.