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Perma-Fix Environmental Services Ownership | Who Owns Perma-Fix Environmental Services?

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Perma-Fix Environmental Services Ownership Summary

Perma-Fix Environmental Services is owned by 36.21% institutional investors, 7.30% insiders, and 56.49% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 6.52% of PESI shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.92% of its assets in Perma-Fix Environmental Services shares.

PESI Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockPerma-Fix Environmental Services36.21%7.30%56.49%
SectorIndustrials Stocks 39.35%12.62%48.03%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de1.03M6.52%$11.40M
Blackrock853.16K6.24%$8.64M
Vanguard group868.96K5.50%$9.62M
Prescott group capital management746.94K4.73%$8.27M
Alyeska investment group700.00K4.43%$7.75M
Heartland advisors400.00K2.53%$4.43M
Geode capital management327.12K2.07%$3.62M
Diamond hill capital management315.52K2.00%$3.49M
Myda advisors225.00K1.42%$2.49M
Thompson siegel & walmsley215.60K1.36%$2.39M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Prescott group capital management746.94K1.13%$8.27M
Perritt capital management192.45K1.11%$2.13M
Myda advisors225.00K0.63%$2.49M
Essex investment management192.33K0.38%$2.13M
Heartland advisors400.00K0.24%$4.43M
Commons capital15.35K0.15%$169.92K
Thompson davis13.69K0.10%$151.55K
Ars investment partners83.24K0.08%$921.46K
Legato capital management57.27K0.08%$633.97K
Oxler private wealth17.00K0.06%$188.25K

Top Buyers

HolderShares% AssetsChange
Alyeska investment group700.00K0.03%700.00K
Blackrock853.16K0.00%577.96K
Myda advisors225.00K0.63%225.00K
Vanguard group868.96K0.00%116.88K
State street147.60K0.00%100.42K

Top Sellers

HolderShares% AssetsChange
Awm investment company---400.00K
Polar asset management partners---175.00K
Heartland advisors400.00K0.24%-100.00K
Millennium management---86.25K
Renaissance34.80K0.00%-65.00K

New Positions

HolderShares% AssetsChangeValue
Alyeska investment group700.00K0.03%700.00K$7.75M
Myda advisors225.00K0.63%225.00K$2.49M
Moody national bank trust division25.00K0.03%25.00K$276.75K
Invesco19.54K-19.54K$197.93K
Oxler private wealth17.00K0.06%17.00K$188.25K

Sold Out

HolderChange
West paces advisors-125.00
Planned solutions-700.00
Venturi wealth management-3.00K
Group one trading-3.82K
Hillsdale investment management-9.25K

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202576-6,671,805-8.49%361.70%4216.67%17-26.09%
Dec 31, 202436-47.06%4,398,091-23.86%272.08%19-50.00%11-31.25%
Sep 30, 2024689.68%5,776,54919.91%362.95%38-13.64%16128.57%
Jun 30, 20246244.19%4,817,29655.21%356.67%44214.29%7-46.15%
Mar 31, 202443-6.52%3,103,687-11.05%223.47%14-41.67%13-

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv537.92K2.92%-
Vanguard US Total Market Shares ETF442.12K2.40%-
Heartland Value Investor400.00K2.17%-
iShares Russell 2000 ETF399.55K2.17%195.00
Vanguard Institutional Extnd Mkt Idx Tr237.81K1.29%27.51K
Diamond Hill Small Cap Equity237.63K1.29%906.00
VanEck Environmental Svcs ETF218.07K1.18%2.92K
Diamond Hill Small Cap Inv213.44K1.16%-10.80K
Perritt MicroCap Opportunities Investor163.00K0.88%-
Fidelity Small Cap Index143.93K0.78%-

Recent Insider Transactions

DateNameRoleActivityValue
May 30, 2025Duggan Kerry C-Sell$181.64K
Mar 21, 2025Naccarato Ben Chief Financial OfficerBuy$2.80K
Mar 21, 2025Duff Mark President and CEOBuy$4.58K
Mar 21, 2025Duff Mark President and CEOBuy$4.57K
Mar 21, 2025Duff Mark President and CEOBuy$5.26K

Insider Transactions Trends

DateBuySell
2025 Q2--
2025 Q18-
2024 Q4--
2024 Q34-
2024 Q2--

PESI Ownership FAQ

Who owns the most shares of Perma-Fix Environmental Services?

Perma-Fix Environmental Services’s largest shareholders are Blackrock funding, inc. /de (1.03M shares, 6.52%), Blackrock (853.16K shares, 6.24%), and Vanguard group (868.96K shares, 5.50%). Together, they hold 18.25% of Perma-Fix Environmental Services’s total shares outstanding.

Does Blackrock own Perma-Fix Environmental Services?

Yes, BlackRock owns 6.24% of Perma-Fix Environmental Services, totaling 853.16K shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 8.64M$. In the last quarter, BlackRock increased its holdings by 577.96K shares, a 210.01% change.

Who is Perma-Fix Environmental Services’s biggest shareholder by percentage of total assets invested?

Prescott group capital management is Perma-Fix Environmental Services’s biggest shareholder by percentage of total assets invested, with 1.13% of its assets in 746.94K Perma-Fix Environmental Services shares, valued at 8.27M$.

Who is the top mutual fund holder of Perma-Fix Environmental Services shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Perma-Fix Environmental Services shares, with 2.92% of its total shares outstanding invested in 537.92K Perma-Fix Environmental Services shares.

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