Vault-13

PERMA-FIX ENVIRONMENTAL SVCS PESI

COM NEW · Common Stock · CUSIP 714157203

Hazardous waste treatment and disposal company

71 institutional holders -6 vs Q1 2025
6,689,7156.7m shares reported held*
36.2% of all shares outstanding*
$70.4mreported value*
7 new 28 added 20 reduced 13 sold out net sold ≈ $617.7k (-57.7k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($35.1k this quarter). Holder counts are more reliable. Shares outstanding: 18.5m as of 2025-08-04, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $10.52. Options: 5 managers hold calls ($685.1k notional), 4 hold puts ($429.0k).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 29Q4 22: 31Q1 23: 33Q2 23: 38Q3 23: 44Q4 23: 44Q1 24: 42Q2 24: 59Q3 24: 69Q4 24: 75Q1 25: 77Q2 25: 7171Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202229
Q4 202231
Q1 202333
Q2 202338
Q3 202344
Q4 202344
Q1 202442
Q2 202459
Q3 202469
Q4 202475
Q1 202577
Q2 202571

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
50050Q3 23: 28 bought or addedQ3 23: 20 cut or sold outQ4 23: 24 bought or addedQ4 23: 22 cut or sold outQ4 23Q1 24: 15 bought or addedQ1 24: 19 cut or sold outQ2 24: 41 bought or addedQ2 24: 14 cut or sold outQ2 24Q3 24: 38 bought or addedQ3 24: 21 cut or sold outQ4 24: 35 bought or addedQ4 24: 34 cut or sold outQ4 24Q1 25: 40 bought or addedQ1 25: 25 cut or sold outQ2 25: 35 bought or addedQ2 25: 33 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20232820
Q4 20232422
Q1 20241519
Q2 20244114
Q3 20243821
Q4 20243534
Q1 20254025
Q2 20253533

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$250k$500k$750k$1mQ3 24 calls: $360.7kQ3 24 puts: $85.9kQ3 24P/C 0.24Q4 24 calls: $974.1kQ4 24 puts: $310.1kQ4 24P/C 0.32Q1 25 calls: $108.8kQ1 25 puts: $441.2kQ1 25P/C 4.06Q2 25 calls: $685.1kQ2 25 puts: $429.0kQ2 25P/C 0.63
Numbers
QuarterCallsPutsP/C
Q3 2024$360.7k$85.9k0.24
Q4 2024$974.1k$310.1k0.32
Q1 2025$108.8k$441.2k4.06
Q2 2025$685.1k$429.0k0.63

Biggest buyers

STATE STREET CORP Added +96,209+96.2k
MAK CAPITAL ONE LLC New +92,610+92.6k
BlackRock, Inc. Added +87,962+88.0k
MORGAN STANLEY Added +32,283+32.3k
VANGUARD GROUP INC Added +29,220+29.2k
GEODE CAPITAL MANAGEMENT, LLC Added +28,781+28.8k
DIMENSIONAL FUND ADVISORS LP Added +28,413+28.4k
HEARTLAND ADVISORS INC Added +25,750+25.8k
Ancora Advisors LLC Added +22,944+22.9k
JANE STREET GROUP, LLC New +22,059+22.1k

Biggest sellers

Alyeska Investment Group, L.P. Sold out -147,417-147.4k
THOMPSON SIEGEL & WALMSLEY LLC Sold out -104,778-104.8k
CITADEL ADVISORS LLC Reduced -82,430-82.4k
Squarepoint Ops LLC Sold out -73,014-73.0k
VAN ECK ASSOCIATES CORP Reduced -47,215-47.2k
MYDA Advisors LLC Reduced -30,792-30.8k
GOLDMAN SACHS GROUP INC Sold out -24,698-24.7k
UBS Group AG Reduced -22,998-23.0k
Diamond Hill Capital Management, LLC (Investment Advisor) Reduced -22,246-22.2k
MILLENNIUM MANAGEMENT LLC Sold out -16,148-16.1k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $278.8k26.5k shares
SIMPLEX TRADING, LLC Added $259.0k24.7k shares
CITADEL ADVISORS LLC Added $129.4k12.3k shares
GROUP ONE TRADING LLC Reduced $17.9k1.7k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Added $331.4k31.5k shares
SIMPLEX TRADING, LLC Reduced $86.0k8.2k shares
GROUP ONE TRADING LLC New $11.6k1.1k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
HOLD Alapkezelo Zrt. 13G · passive investor +4.6 pts · filed 2026-10-28 15.2% +4.6 pts 3.2m≈ $46.0m 2026-10-28

Fell to 5% or below in the last year: MAK CAPITAL ONE LLC (4.8%, 2026-08-28), VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 3 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24Q3 24: 1 buyingQ3 24: 0 sellingQ4 24: 0 buyingQ4 24: 0 sellingQ4 24Q1 25: 4 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 1 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20233$52.3k0——
Q1 20240—0——
Q2 20240—0——
Q3 20241$21.2k0——
Q4 20240—0——
Q1 20254$41.6k0——
Q2 20250—1——
DateInsiderTradeSharesPrice ValueTheir holding
2025-05-30 Duggan Kerry C Director Sold 16,634 — —16.6k shares -67%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,180,4841.2m $12.4m $12.4m 0.00% Added +88.0k +87,962
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 914,607914.6k $9.6m $9.6m 0.00% Added +29.2k +29,220
3 Prescott Group Capital Management, L.L.C. 0.96% of their portfolio Tulsa, OK 777,142777.1k $8.2m $8.2m 0.96% Unchanged
4 HEARTLAND ADVISORS INC 0.28% of their portfolio MILWAUKEE, WI 481,150481.1k $5.1m $5.1m 0.28% Added +25.8k +25,750
5 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 421,959422.0k $4.4m $4.4m 0.00% Added +28.8k +28,781
6 Diamond Hill Capital Management, LLC (Investment Advisor) 0.02% of their portfolio COLUMBUS, OH 394,416394.4k $4.1m $4.1m 0.02% Reduced -22.2k -22,246
7 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 288,483288.5k $3.0m $3.0m 0.00% Added +96.2k +96,209
8 ESSEX INVESTMENT MANAGEMENT CO LLC 0.36% of their portfolio BOSTON, MA 189,715189.7k $2.0m $2.0m 0.36% Reduced -1.4k -1,372
9 Ancora Advisors LLC 0.04% of their portfolio Cleveland, OH 180,789180.8k $1.9m $1.9m 0.04% Added +22.9k +22,944
10 Perritt Capital Management Inc 0.96% of their portfolio Chicago, IL 176,700176.7k $1.9m $1.9m 0.96% Reduced -11.0k -11,000
11 VAN ECK ASSOCIATES CORP 0.00% of their portfolio NEW YORK, NY 172,797172.8k $1.8m $1.8m 0.00% Reduced -47.2k -47,215
12 MYDA Advisors LLC 0.50% of their portfolio WOODMERE, NY 169,208169.2k $1.8m $1.8m 0.50% Reduced -30.8k -30,792
13 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 152,375152.4k $1.6m $1.6m 0.00% Added +28.4k +28,413
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 133,806133.8k $1.4m $1.4m 0.00% Reduced -5.4k -5,398
15 MAK CAPITAL ONE LLC 0.17% of their portfolio NEW YORK, NY 92,61092.6k $974.3k $974.3k 0.17% New
16 ARS Investment Partners, LLC 0.06% of their portfolio New York, NY 84,22584.2k $886.0k $886.0k 0.06% Added +986 +986
17 GatePass Capital, LLC 0.55% of their portfolio INDEPENDENCE, OH 78,96179.0k $830.7k $830.7k 0.55% Unchanged
18 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 69,03669.0k $726.3k $726.3k 0.00% Added +32.3k +32,283
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 67,24167.2k $707.4k $707.4k 0.00% Added +14.0k +14,027
20 Legato Capital Management LLC 0.07% of their portfolio San Francisco, CA 56,45956.5k $593.9k $593.9k 0.07% Reduced -139 -139
21 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 49,39049.4k $519.6k $519.6k 0.00% Added +3.1k +3,146
22 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 44,35644.4k $466.6k $466.6k 0.00% Added +10.5k +10,473
23 UBS Group AG 0.00% of their portfolio ZURICH, V8 34,05434.1k $358.2k $358.2k 0.00% Reduced -23.0k -22,998
24 CW Advisors, LLC 0.00% of their portfolio BOSTON, MA 30,50030.5k $320.9k $320.9k 0.00% Added +10.0k +10,000
25 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 30,47330.5k $320.6k $320.6k 0.00% Reduced -82.4k -82,430
26 COMMONS CAPITAL, LLC 0.24% of their portfolio NEEDHAM, MA 30,35030.4k $319.3k $319.3k 0.24% Unchanged
27 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 29,50029.5k $310.3k $310.3k 0.00% Added +11.1k +11,108
28 BAILARD, INC. 0.01% of their portfolio Foster City, CA 28,60028.6k $300.9k $300.9k 0.01% Reduced -260 -260
29 Pale Fire Capital SE 0.03% of their portfolio Prague, 2N 25,68925.7k $270.2k $270.2k 0.03% Added +15.6k +15,609
30 MOODY NATIONAL BANK TRUST DIVISION 0.02% of their portfolio GALVESTON, TX 25,00025.0k $263.0k $263.0k 0.02% Unchanged
31 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 23,56923.6k $247.9k $247.9k 0.00% Added +15.5k +15,489
32 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 23,52523.5k $247.5k $247.5k 0.00% Added +6.3k +6,321
33 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 22,45422.5k $236.2k $236.2k 0.00% Added +5.6k +5,559
34 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 22,05922.1k $232.1k $232.1k 0.00% New
35 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 20,30020.3k $213.6k $213.6k 0.01% Unchanged
36 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 18,95619.0k $199.4k $199.4k 0.01% New
37 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 18,40518.4k $193.6k $193.6k 0.00% New
38 Oxler Private Wealth LLC 0.06% of their portfolio Rye Brook, NY 17,00517.0k $178.9k $178.9k 0.06% Unchanged
39 Fermata Advisors, LLC 0.05% of their portfolio SONOMA, CA 16,30916.3k $171.6k $171.6k 0.05% Added +940 +940
40 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 15,18515.2k $159.7k $159.7k 0.00% Reduced -294 -294
41 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 12,03912.0k $126.7k $126.7k 0.00% Added +4.4k +4,419
42 Brookwood Investment Group LLC 0.02% of their portfolio PHOENIX, AZ 10,13410.1k $106.6k $106.6k 0.02% Reduced -6.7k -6,710
43 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 9,8239.8k $103.3k $103.3k 0.00% Reduced -26 -26
44 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 8,9759.0k $94.4k $94.4k 0.00% Reduced -2.0k -2,000
45 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 8,1768.2k $86.0k $86.0k 0.00% Reduced -61 -61
46 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 5,8585.9k $61.6k $61.6k 0.00% Reduced -6.2k -6,176
47 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,4004.4k $46.3k $46.3k 0.00% Unchanged
48 FMR LLC 0.00% of their portfolio BOSTON, MA 3,6393.6k $38.3k $38.3k 0.00% Added +3.0k +2,959
49 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 3,4303.4k $38.0k $38.0k 0.00% Added +3.1k +3,107
50 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 3,3363.3k $35.1k $35.1k 0.00% Unchanged
51 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 2,7432.7k $28.9k $28.9k 0.00% Added +2.0k +2,022
52 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,1402.1k $22.5k $22.5k 0.00% Added +1.7k +1,740
53 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,0302.0k $21.4k $21.4k 0.00% Reduced -1.8k -1,836
54 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 1,6511.7k $17.4k $17.4k 0.00% Added +732 +732
55 Legal & General Group Plc 0.00% of their portfolio London, X0 1,6111.6k $16.9k $16.9k 0.00% Reduced -251 -251
56 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,2321.2k $13.0k $13.0k 0.00% Unchanged
57 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 1,1601.2k $12.2k $12.2k 0.00% New
58 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,0741.1k $11.3k $11.3k 0.00% Unchanged
59 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 583583 $6.0k $6.0k 0.00% Unchanged
60 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 401401 $4.2k $4.2k 0.00% Added +388 +388
61 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 335335 $3.5k $3.5k 0.00% Reduced -296 -296
62 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 192192 $2.0k $2.0k 0.00% New
63 CWM, LLC 0.00% of their portfolio OMAHA, NE 8989 $1.0k $1.0k 0.00% Added +71 +71
64 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 7171 $747 $747 0.00% Added +37 +37
65 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 6060 $631 $631 0.00% New
66 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 2020 $210 $210 0.00% Unchanged
67 CoreCap Advisors, LLC 0.00% of their portfolio SOUTHFIELD, MI 55 $53 $53 0.00% Unchanged
68 MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 0.00% of their portfolio MILWAUKEE, WI 11 $11 $11 0.00% Unchanged
69 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 11 $11 $11 0.00% Reduced -20 -20
70 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged
71 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 00 $632 $632 0.00% Unchanged