Perma-Fix Environmental Services, Inc.
DE ˙ DB ˙ US7141572039
8,72 € ↑0,45 (5,37%)
2026-06-04
DEL PRIS
SecurityDE:PFX1 / Perma-Fix Environmental Services, Inc.
InstitutionVanguard Group Inc
Latest Disclosed Ownership0 shares
Ownership 0.00%
Vanguard Group Inc ownership in PFX1 / Perma-Fix Environmental Services, Inc.

2026-03-27 - Vanguard Group Inc has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 0 shares of Perma-Fix Environmental Services, Inc. (DE:PFX1). This represents 0.0 percent ownership of the company. In their previous filing dated 2025-10-30 , Vanguard Group Inc had reported owning 935,942 shares, indicating a decrease of -100.00 percent.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File
Date
Effective
Date
Form Prev
Shares
Latest
Shares
ΔShares
(Percent)
Ownership
(Percent)
ΔOwnership
(Percent)
2026-03-27 2026-03-27 13G/A 935,942 0 -100.00 0.00 -100.00
2025-10-30 2025-10-30 13G 935,942 5.06

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-01-29 2025-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 968,107 32,165 3.44 12,188 28.93 0.0002
2025-11-07 2025-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 935,942 21,335 2.33 9,453 -1.75 0.0001
2025-08-11 2025-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 914,607 29,220 3.30 9,622 49.49 0.0002
2025-05-09 2025-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 885,387 16,432 1.89 6,437 -33.09 0.0001
2025-02-11 2024-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 868,955 116,879 15.54 9,619 4.25 0.0002
2024-11-13 2024-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 752,076 82,322 12.29 9,228 36.01 0.0002
2024-08-13 2024-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 669,754 79,713 13.51 6,785 -3.29 0.0001
2024-05-10 2024-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 590,041 0 0.00 7,016 51.28 0.0001
2024-03-11 2023-12-31 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 590,041 47,814 8.82 4,638 -18.16 0.0001
2024-02-14 2023-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 590,041 47,814 4,638 0.0001
2023-12-18 2023-09-30 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 542,227 11,700 2.21 5,666 -2.73 0.0001
2023-11-14 2023-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 542,227 11,700 5,666 0.0000
2023-08-14 2023-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 530,527 37,682 7.65 5,825 0.34 0.0001
2023-07-14 2023-03-31 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 492,845 52,020 11.80 5,806 273.07 0.0001
2023-05-15 2023-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 492,845 52,020 5,806 0.0000
2023-02-10 2022-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 440,825 185 0.04 1,556 -21.18 0.0000
2022-11-14 2022-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 440,640 0 0.00 1,974 -13.69 0.0001
2022-08-12 2022-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 440,640 3,663 0.84 2,287 -5.34 0.0001
2022-05-13 2022-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 436,977 -3,147 -0.72 2,416 -13.28 0.0001
2022-02-14 2021-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 440,124 35,483 8.77 2,786 3.53 0.0001
2021-11-12 2021-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 404,641 0 0.00 2,691 -7.01 0.0001
2021-08-13 2021-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 404,641 0 0.00 2,894 -2.43 0.0001
2021-05-14 2021-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 404,641 13,672 3.50 2,966 27.08 0.0001
2021-02-12 2020-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 390,969 -68 -0.02 2,334 -15.31 0.0001
2020-11-16 2020-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 391,037 0 0.00 2,756 10.33 0.0001
2020-08-14 2020-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 391,037 0 0.00 2,498 22.63 0.0001
2020-05-15 2020-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 391,037 73,774 23.25 2,037 -29.44 0.0001
2020-02-14 2019-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 317,263 50,422 18.90 2,887 138.40 0.0001
2019-11-14 2019-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 266,841 4,784 1.83 1,211 18.26 0.0000
2019-08-14 2019-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 262,057 17,200 7.02 1,024 19.21 0.0000
2019-05-15 2019-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 244,857 0 0.00 859 49.39 0.0000
2019-02-14 2018-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 244,857 -52,921 -17.77 575 -54.00 0.0000
2018-12-13 2018-09-30 13F/A-2 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 297,778 0 0.00 1,250 -6.72 0.0000
2018-11-23 2018-09-30 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 297,778 0 1,250 0.0000
2018-11-14 2018-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 297,778 0 1,250
2018-08-14 2018-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 297,778 714 0.24 1,340 8.68 0.0001
2018-05-15 2018-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 297,064 13,350 4.71 1,233 19.13 0.0001
2018-02-14 2017-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 283,714 -5,280 -1.83 1,035 -5.74 0.0000
2017-11-14 2017-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 288,994 -19,798 -6.41 1,098 -3.85 0.0001
2017-08-24 2017-06-30 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 308,792 -13,415 -4.16 1,142 12.51 0.0001
2017-08-11 2017-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 308,792 -13,415 1,142
2017-05-12 2017-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 322,207 0 0.00 1,015 -19.19 0.0001
2017-02-14 2016-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 322,207 -21,698 -6.31 1,256 -27.52 0.0001
2016-11-14 2016-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 343,905 2,923 0.86 1,733 -0.17 0.0001
2016-08-10 2016-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 340,982 61,045 21.81 1,736 67.57 0.0001
2016-05-13 2016-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 279,937 0 0.00 1,036 -1.05 0.0001
2016-02-08 2015-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 279,937 0 0.00 1,047 -7.92 0.0001
2015-11-12 2015-09-30 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 279,937 1,040 0.37 1,137 6.96 0.0000
2015-11-12 2015-09-30 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 279,937 1,040 1,137 0.0000
2015-08-13 2015-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 278,897 0 0.00 1,063 -1.21 0.0001
2015-05-15 2015-03-31 13F/A-1 PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 278,897 33,600 13.70 1,076 0.84 0.0001
2015-05-14 2015-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 278,897 0 1,076
2015-02-12 2014-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 245,297 -5,900 -2.35 1,067 11.15 0.0001
2014-11-12 2014-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 251,197 1,800 0.72 960 -16.38 0.0001
2014-08-11 2014-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 249,397 800 0.32 1,148 -5.44 0.0001
2014-05-13 2014-03-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 248,597 8,661 3.61 1,214 55.64 0.0001
2014-02-12 2013-12-31 13F PERMA-FIX ENVIRONMENTAL SVCS COM NEW 714157203 239,936 -957,862 -79.97 780 -9.62 0.0001
2013-11-07 2013-09-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM 714157104 1,197,798 0 0.00 863 100.23 0.0001
2013-08-13 2013-06-30 13F PERMA-FIX ENVIRONMENTAL SVCS COM 714157104 1,197,798 1,197,798 431 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.