PERMA FIX ENVIRONMENTAL SERVICES INC - Common Stock (PESI) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
PESI on Nasdaq
Shares outstanding
18,496,877
Price per share
$12.59
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
7,420,583
Total reported value
$75,014,874
% of total 13F portfolios
0%
Share change
+758,048
Value change
+$7,603,497
Number of holders
76
Price from insider filings
$12.59
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of PERMA FIX ENVIRONMENTAL SERVICES INC - Common Stock (PESI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 5.1% $9,453,014 935,942 The Vanguard Group 30 Sep 2025

As of 30 Sep 2025, 76 institutional investors reported holding 7,420,583 shares of PERMA FIX ENVIRONMENTAL SERVICES INC - Common Stock (PESI). This represents 40% of the company’s total 18,496,877 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of PERMA FIX ENVIRONMENTAL SERVICES INC - Common Stock (PESI) together control 38% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 6.3% 1,167,732 -1.1% 0% $11,794,092
VANGUARD GROUP INC 5.1% 935,942 +2.3% 0% $9,453,015
MAK CAPITAL ONE LLC 4.4% 815,576 +781% 1.6% $8,237,318
Prescott Group Capital Management, L.L.C. 4.2% 777,142 0% 0.83% $7,849,134
HEARTLAND ADVISORS INC 2.5% 458,250 -4.8% 0.24% $4,628,325
GEODE CAPITAL MANAGEMENT, LLC 2.3% 421,235 -0.17% 0% $4,255,339
DIAMOND HILL CAPITAL MANAGEMENT INC 2.2% 401,559 +1.8% 0.02% $4,055,746
STATE STREET CORP 1.6% 298,388 +3.4% 0% $3,013,719
VAN ECK ASSOCIATES CORP 1.2% 220,289 +27% 0% $2,225,000
ESSEX INVESTMENT MANAGEMENT CO LLC 1.1% 196,197 +3.4% 0.3% $1,981,590
Perritt Capital Management Inc 0.95% 175,300 -0.79% 0.84% $1,770,530
DIMENSIONAL FUND ADVISORS LP 0.85% 156,853 +2.9% 0% $1,584,058
Ancora Advisors LLC 0.81% 150,355 -17% 0.03% $1,518,585
NORTHERN TRUST CORP 0.73% 135,462 +1.2% 0% $1,368,167
MORGAN STANLEY 0.54% 99,647 +44% 0% $1,006,436
GatePass Capital, LLC 0.35% 64,742 -18% 0.38% $653,891
GOLDMAN SACHS GROUP INC 0.35% 64,254 0% $648,965
CITADEL ADVISORS LLC 0.33% 60,164 +97% 0% $607,656
JANE STREET GROUP, LLC 0.31% 58,201 +164% 0% $587,830
Legato Capital Management LLC 0.31% 56,459 0% 0.06% $570,236
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.26% 48,607 -1.6% 0% $490,931
BANK OF AMERICA CORP /DE/ 0.26% 47,739 +432% 0% $482,164
D. E. Shaw & Co., Inc. 0.25% 46,305 0% $467,681
Pale Fire Capital SE 0.24% 45,270 +76% 0.05% $457,227
Bank of New York Mellon Corp 0.24% 44,715 +0.81% 0% $451,617

Institutional Holders of PERMA FIX ENVIRONMENTAL SERVICES INC - Common Stock (PESI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 34,708 $436,974 -$151,151 $12.59 6
2025 Q3 7,420,583 $75,014,874 +$7,603,497 $10.10 76
2025 Q2 6,691,336 $70,394,269 +$756,232 $10.52 69
2025 Q1 6,667,505 $48,473,532 -$7,285,657 $7.27 73
2024 Q4 7,290,898 $80,711,549 +$16,626,616 $11.07 71
2024 Q3 5,776,549 $71,171,556 +$9,969,954 $12.27 65
2024 Q2 4,817,296 $48,798,559 +$16,967,099 $10.13 58
2024 Q1 3,103,687 $36,902,768 -$751,587 $11.89 39
2023 Q4 0 $0 -$168,308 $12.59 0
2023 Q3 3,337,102 $34,870,351 +$635,133 $10.45 42
2023 Q2 3,261,925 $35,815,855 -$2,967,522 $10.98 36
2023 Q1 3,528,811 $41,568,323 +$1,379,456 $11.78 31
2022 Q4 3,580,560 $12,641,713 -$747,110 $3.53 29
2022 Q3 3,792,329 $16,989,000 -$72,480 $4.48 26
2022 Q2 3,795,568 $19,697,000 +$229,787 $5.19 26
2022 Q1 3,746,393 $20,717,000 +$1,489,549 $5.53 26
2021 Q4 3,485,479 $22,061,000 +$444,813 $6.33 25
2021 Q3 3,209,859 $21,347,000 +$163,464 $6.65 23
2021 Q2 3,183,433 $22,761,000 -$483,429 $7.15 22
2021 Q1 3,250,492 $23,834,000 +$545,010 $7.33 20
2020 Q4 3,195,709 $19,077,000 +$1,774,679 $5.97 21
2020 Q3 0 $0 -$8,000 $12.59 0
2020 Q2 3,108,904 $19,859,556 +$75,191 $6.39 22
2020 Q1 3,120,843 $16,257,084 +$450,859 $5.21 20
2019 Q4 3,025,921 $27,527,753 +$1,310,368 $9.10 20
2019 Q3 2,907,169 $13,191,626 +$328,455 $4.54 21
2019 Q2 2,836,180 $11,082,429 +$94,063 $3.91 21
2019 Q1 2,815,781 $9,871,669 +$83,369 $3.51 22
2018 Q4 2,793,322 $6,557,358 -$254,651 $2.35 20
2018 Q3 2,872,827 $12,047,676 -$78,255 $4.20 22
2018 Q2 2,891,484 $13,005,510 +$153,804 $4.50 20
2018 Q1 2,872,180 $11,906,537 +$94,183 $4.15 22
2017 Q4 2,852,970 $10,394,147 +$103,526 $3.65 23
2017 Q3 2,825,092 $10,724,564 -$829,580 $3.80 20
2017 Q2 3,046,098 $11,115,877 +$84,297 $3.65 20
2017 Q1 3,026,583 $9,516,387 +$1,264,065 $3.15 22
2016 Q4 3,002,128 $11,693,622 +$685,978 $3.90 22
2016 Q3 2,823,182 $14,125,922 +$18,513 $5.01 20
2016 Q2 2,820,992 $14,353,767 -$756,244 $5.09 20
2016 Q1 3,003,753 $11,102,096 +$432,782 $3.70 20
2015 Q4 3,032,973 $11,409,000 -$120,923 $3.72 21
2015 Q3 2,914,529 $11,766,000 -$126,516 $4.03 18
2015 Q2 2,929,847 $11,154,050 +$856,035 $3.81 19
2015 Q1 2,725,457 $10,525,400 +$909,971 $3.88 20
2014 Q4 2,640,317 $11,462,750 -$1,001,843 $4.35 19
2014 Q3 2,858,466 $10,898,100 +$140,846 $3.82 18
2014 Q2 2,842,542 $13,051,143 +$212,208 $4.60 15
2014 Q1 2,799,208 $13,583,522 +$220,035 $4.88 15