Vault-13

PERMA-FIX ENVIRONMENTAL SVCS PESI

COM NEW · Common Stock · CUSIP 714157203

Hazardous waste treatment and disposal company

84 institutional holders +7 vs Q3 2025
7,876,4667.9m shares reported held*
42.5% of all shares outstanding*
$99.2mreported value*
12 new 22 added 28 reduced 7 sold out net bought ≈ $1.3m (+107.0k 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. Holder counts are more reliable. Shares outstanding: 18.5m as of 2025-11-03, 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 ≈ $12.60. Options: 3 managers hold calls ($790.7k notional), 2 hold puts ($530.0k).

Trends to Q4 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: 71Q3 25: 77Q4 25: 8484Q3 22Q2 23Q1 24Q4 24Q4 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
Q3 202577
Q4 202584

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q1 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 25Q3 25: 43 bought or addedQ3 25: 28 cut or sold outQ4 25: 34 bought or addedQ4 25: 35 cut or sold outQ4 25
Numbers
QuarterBought or addedCut or sold out
Q1 20241519
Q2 20244114
Q3 20243821
Q4 20243534
Q1 20254025
Q2 20253533
Q3 20254328
Q4 20253435

Calls vs puts

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

CallsPuts
$0$500k$1m$1.5mQ1 25 calls: $108.8kQ1 25 puts: $441.2kQ1 25P/C 4.06Q2 25 calls: $685.1kQ2 25 puts: $429.0kQ2 25P/C 0.63Q3 25 calls: $1.1mQ3 25 puts: $404.2kQ3 25P/C 0.35Q4 25 calls: $790.7kQ4 25 puts: $530.0kQ4 25P/C 0.67
Numbers
QuarterCallsPutsP/C
Q1 2025$108.8k$441.2k4.06
Q2 2025$685.1k$429.0k0.63
Q3 2025$1.1m$404.2k0.35
Q4 2025$790.7k$530.0k0.67

Biggest buyers

Rothschild Wealth LLC New +166,300+166.3k
MAK CAPITAL ONE LLC Added +103,097+103.1k
MYDA Advisors LLC New +100,000+100.0k
JANE STREET GROUP, LLC Added +86,038+86.0k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +81,151+81.2k
Informed Momentum Co LLC New +64,784+64.8k
D. E. Shaw & Co., Inc. Added +49,704+49.7k
SEI INVESTMENTS CO New +39,442+39.4k
MILLENNIUM MANAGEMENT LLC New +38,617+38.6k
Squarepoint Ops LLC New +36,842+36.8k

Biggest sellers

VAN ECK ASSOCIATES CORP Sold out -220,289-220.3k
ESSEX INVESTMENT MANAGEMENT CO LLC Sold out -196,197-196.2k
Ancora Advisors LLC Reduced -92,428-92.4k
HEARTLAND ADVISORS INC Reduced -58,250-58.2k
Legato Capital Management LLC Sold out -56,459-56.5k
Trexquant Investment LP Sold out -42,156-42.2k
MORGAN STANLEY Reduced -32,916-32.9k
CITADEL ADVISORS LLC Reduced -24,035-24.0k
BLUE SQUARE ASSET MANAGEMENT, LLC Sold out -20,100-20.1k
OSAIC HOLDINGS, INC. Reduced -20,000-20.0k

Biggest calls

CITADEL ADVISORS LLC Added $368.9k29.3k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $332.4k26.4k shares
GROUP ONE TRADING LLC Added $89.4k7.1k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $343.7k27.3k shares
CITADEL ADVISORS LLC New $186.3k14.8k 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 Q4 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
404Q1 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 25Q3 25: 2 buyingQ3 25: 1 sellingQ4 25: 0 buyingQ4 25: 0 sellingQ4 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20240—0——
Q2 20240—0——
Q3 20241$21.2k0——
Q4 20240—0——
Q1 20254$41.6k0——
Q2 20250—1——
Q3 20252$25.4k1$48.6k—
Q4 20250—0——

None reported in Q4 2025.

Holders, Q4 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,197,9851.2m $15.1m $15.1m 0.00% Added +30.3k +30,253
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 968,107968.1k $12.2m $12.2m 0.00% Added +32.2k +32,165
3 MAK CAPITAL ONE LLC 1.56% of their portfolio NEW YORK, NY 918,673918.7k $11.6m $11.6m 1.56% Added +103.1k +103,097
4 Prescott Group Capital Management, L.L.C. 0.91% of their portfolio Tulsa, OK 777,142777.1k $9.8m $9.8m 0.91% Unchanged
5 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 422,890422.9k $5.3m $5.3m 0.00% Added +1.7k +1,655
6 HEARTLAND ADVISORS INC 0.27% of their portfolio MILWAUKEE, WI 400,000400.0k $5.0m $5.0m 0.27% Reduced -58.2k -58,250
7 Diamond Hill Capital Management, LLC (Investment Advisor) 0.02% of their portfolio COLUMBUS, OH 386,843386.8k $4.9m $4.9m 0.02% Reduced -14.7k -14,716
8 Potomac Capital Management, Inc. 3.60% of their portfolio NEW YORK, NY 341,800341.8k $4.3m $4.3m 3.60% First filing
9 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 312,267312.3k $3.9m $3.9m 0.00% Added +13.9k +13,879
10 Perritt Capital Management Inc 3.50% of their portfolio Chicago, IL 166,300166.3k $2.1m $2.1m 3.50% Reduced -9.0k -9,000
11 Rothschild Wealth LLC 0.20% of their portfolio OAK BROOK, IL 166,300166.3k $2.1m $2.1m 0.20% New
12 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 164,787164.8k $2.1m $2.1m 0.00% Added +7.9k +7,934
13 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 144,239144.2k $1.8m $1.8m 0.00% Added +86.0k +86,038
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 123,509123.5k $1.6m $1.6m 0.00% Reduced -12.0k -11,953
15 MYDA Advisors LLC 0.35% of their portfolio WOODMERE, NY 100,000100.0k $1.3m $1.3m 0.35% New
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 98,26998.3k $1.2m $1.2m 0.00% Added +81.2k +81,151
17 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 96,00996.0k $1.2m $1.2m 0.00% Added +49.7k +49,704
18 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 71,93771.9k $905.7k $905.7k 0.00% Added +7.7k +7,683
19 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 66,73166.7k $840.1k $840.1k 0.00% Reduced -32.9k -32,916
20 Informed Momentum Co LLC 0.09% of their portfolio SOLANA BEACH, CA 64,78464.8k $815.6k $815.6k 0.09% New
21 GatePass Capital, LLC 0.42% of their portfolio INDEPENDENCE, OH 64,74264.7k $815.1k $815.1k 0.42% Unchanged
22 Ancora Advisors LLC 0.02% of their portfolio Cleveland, OH 57,92757.9k $729.3k $729.3k 0.02% Reduced -92.4k -92,428
23 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 48,60748.6k $612.0k $612.0k 0.00% Unchanged
24 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 44,05944.1k $554.7k $554.7k 0.00% Reduced -656 -656
25 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 43,66643.7k $549.8k $549.8k 0.00% Reduced -4.1k -4,073
26 Pale Fire Capital SE 0.07% of their portfolio Prague, 2N 43,22043.2k $544.1k $544.1k 0.07% Reduced -2.0k -2,050
27 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 39,44239.4k $496.6k $496.6k 0.00% New
28 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 38,61738.6k $486.2k $486.2k 0.00% New
29 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 36,84236.8k $463.8k $463.8k 0.00% New
30 ARS Investment Partners, LLC 0.03% of their portfolio New York, NY 36,14536.1k $455.1k $455.1k 0.03% Reduced -4.8k -4,815
31 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 36,12936.1k $454.9k $454.9k 0.00% Reduced -24.0k -24,035
32 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 32,12632.1k $404.5k $404.5k 0.00% Added +6.5k +6,465
33 UBS Group AG 0.00% of their portfolio ZURICH, V8 28,96429.0k $364.7k $364.7k 0.00% Added +4.0k +4,050
34 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 26,98127.0k $339.7k $339.7k 0.00% Added +2.6k +2,612
35 LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio LOS ANGELES, CA 22,96023.0k $321.6k $321.6k 0.00% New
36 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 22,45422.5k $282.7k $282.7k 0.00% Unchanged
37 CORSAIR CAPITAL MANAGEMENT, L.P. 0.05% of their portfolio NEW YORK, NY 21,64921.6k $272.6k $272.6k 0.05% Reduced -6.3k -6,294
38 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 21,42321.4k $269.7k $269.7k 0.00% Reduced -1.5k -1,499
39 Brookwood Investment Group LLC 0.03% of their portfolio PHOENIX, AZ 20,87320.9k $262.8k $262.8k 0.03% Added +5.9k +5,930
40 BAILARD, INC. 0.00% of their portfolio Foster City, CA 17,80017.8k $224.1k $224.1k 0.00% Reduced -10.8k -10,800
41 GUIDANCE CAPITAL, INC 0.06% of their portfolio LOUSVILLE, KY 17,18517.2k $254.7k $254.7k 0.06% Reduced -139 -139
42 Oxler Private Wealth LLC 0.06% of their portfolio Rye Brook, NY 17,00517.0k $214.1k $214.1k 0.06% Unchanged
43 Quent Capital, LLC 0.01% of their portfolio NEW YORK, NY 16,19916.2k $203.9k $203.9k 0.01% New
44 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 15,90015.9k $200.2k $200.2k 0.00% Reduced -20.0k -20,000
45 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 14,58514.6k $183.0k $183.0k 0.00% New
46 Fermata Advisors, LLC 0.04% of their portfolio SONOMA, CA 12,63512.6k $159.1k $159.1k 0.04% Reduced -2.7k -2,688
47 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 11,99312.0k $151.0k $151.0k 0.00% Added +11.9k +11,930
48 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 11,20211.2k $142.0k $142.0k 0.00% New
49 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 9,1549.2k $115.2k $115.2k 0.00% Added +5.8k +5,784
50 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 8,0198.0k $101.0k $101.0k 0.00% Reduced -286 -286
51 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 7,1407.1k $89.9k $89.9k 0.00% Reduced -6.9k -6,922
52 FMR LLC 0.00% of their portfolio BOSTON, MA 5,7045.7k $71.8k $71.8k 0.00% Added +1.3k +1,303
53 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 5,6495.6k $71.1k $71.1k 0.00% Unchanged
54 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,4004.4k $55.4k $55.4k 0.00% Unchanged
55 North Star Investment Management Corp. 0.00% of their portfolio CHICAGO, IL 4,4004.4k $55.4k $55.4k 0.00% Unchanged
56 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 4,0274.0k $50.7k $50.7k 0.00% Added +501 +501
57 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 3,8203.8k $48.1k $48.1k 0.00% Added +470 +470
58 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,1823.2k $40.1k $40.1k 0.00% Added +2.2k +2,182
59 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 1,6121.6k $20.3k $20.3k 0.00% Added +28 +28
60 Legal & General Group Plc 0.00% of their portfolio London, X0 1,6111.6k $20.3k $20.3k 0.00% Unchanged
61 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,2321.2k $15.5k $15.5k 0.00% Unchanged
62 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,0651.1k $13.4k $13.4k 0.00% Reduced -10 -10
63 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,0271.0k $13.0k $13.0k 0.00% Reduced -3.1k -3,084
64 FLAGSHIP HARBOR ADVISORS, LLC 0.00% of their portfolio BOSTON, MA 910910 $11.5k $11.5k 0.00% New
65 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 860860 $10.8k $10.8k 0.00% Reduced -156 -156
66 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 544544 $7.0k $7.0k 0.00% Reduced -39 -39
67 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 500500 $6.3k $6.3k 0.00% Unchanged
68 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 500500 $6.3k $6.3k 0.00% New
69 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 391391 $4.9k $4.9k 0.00% Added +108 +108
70 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 298298 $3.8k $3.8k 0.00% Unchanged
71 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 214214 $2.7k $2.7k 0.00% Reduced -33 -33
72 CWM, LLC 0.00% of their portfolio OMAHA, NE 117117 $1.0k $1.0k 0.00% Reduced -19 -19
73 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 7171 $894 $894 0.00% Unchanged
74 Torren Management, LLC 0.00% of their portfolio SAN DIEGO, CA 5353 $667 $667 0.00% First filing
75 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 2020 $252 $252 0.00% Unchanged
76 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 99 $113 $113 0.00% Reduced -217 -217
77 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 99 $113 $113 0.00% Unchanged
78 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 88 $101 $101 0.00% Unchanged
79 Sunbelt Securities, Inc. 0.00% of their portfolio HOUSTON, TX 77 $88 $88 0.00% Unchanged
80 CoreCap Advisors, LLC 0.00% of their portfolio SOUTHFIELD, MI 55 $63 $63 0.00% Unchanged
81 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 33 $38 $38 0.00% Reduced -16 -16
82 MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 0.00% of their portfolio MILWAUKEE, WI 11 $13 $13 0.00% Unchanged
83 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 11 $13 $13 0.00% Unchanged
84 AlphaQuest LLC 0.00% of their portfolio New York, NY 11 $13 $13 0.00% Reduced -718 -718