Vault-13

PERMA-FIX ENVIRONMENTAL SVCS PESI

COM NEW · Common Stock · CUSIP 714157203

Hazardous waste treatment and disposal company

59 institutional holders +17 vs Q1 2024
4,831,6574.8m shares reported held*
30.6% of all shares outstanding*
$48.9mreported value*
22 new 19 added 8 reduced 6 sold out net bought ≈ $17.3m (+1.7m 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: 15.8m as of 2024-07-30, 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 ≈ $10.11. Options: 4 managers hold calls ($429.5k notional), 4 hold puts ($520.7k).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0204060Q3 22: 29Q4 22: 31Q1 23: 33Q2 23: 38Q3 23: 44Q4 23: 44Q1 24: 42Q2 24: 5959Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202229
Q4 202231
Q1 202333
Q2 202338
Q3 202344
Q4 202344
Q1 202442
Q2 202459

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q4 22: 14 bought or addedQ4 22: 10 cut or sold outQ4 22Q1 23: 21 bought or addedQ1 23: 13 cut or sold outQ2 23: 18 bought or addedQ2 23: 17 cut or sold outQ2 23Q3 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 24
Numbers
QuarterBought or addedCut or sold out
Q4 20221410
Q1 20232113
Q2 20231817
Q3 20232820
Q4 20232422
Q1 20241519
Q2 20244114

Calls vs puts

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

CallsPuts
$0$250k$500k$750k$1mQ3 23 calls: $879.9kQ3 23 puts: $451.4kQ3 23P/C 0.51Q4 23 calls: $260.8kQ4 23 puts: $201.2kQ4 23P/C 0.77Q1 24 calls: $529.1kQ1 24 puts: $462.5kQ1 24P/C 0.87Q2 24 calls: $429.5kQ2 24 puts: $520.7kQ2 24P/C 1.21
Numbers
QuarterCallsPutsP/C
Q3 2023$879.9k$451.4k0.51
Q4 2023$260.8k$201.2k0.77
Q1 2024$529.1k$462.5k0.87
Q2 2024$429.5k$520.7k1.21

Biggest buyers

BlackRock Inc. Added +577,957+578.0k
Prescott Group Capital Management, L.L.C. Added +381,054+381.1k
THOMPSON SIEGEL & WALMSLEY LLC New +238,991+239.0k
VAN ECK ASSOCIATES CORP New +162,003+162.0k
GEODE CAPITAL MANAGEMENT, LLC Added +150,120+150.1k
STATE STREET CORP Added +100,422+100.4k
VANGUARD GROUP INC Added +79,713+79.7k
CHARLES SCHWAB INVESTMENT MANAGEMENT INC New +35,000+35.0k
Bank of New York Mellon Corp New +33,344+33.3k
ESSEX INVESTMENT MANAGEMENT CO LLC Added +29,680+29.7k

Biggest sellers

MILLENNIUM MANAGEMENT LLC Sold out -86,250-86.2k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -68,429-68.4k
Qube Research & Technologies Ltd Sold out -31,201-31.2k
RENAISSANCE TECHNOLOGIES LLC Reduced -21,900-21.9k
JANE STREET GROUP, LLC Sold out -20,103-20.1k
CITADEL ADVISORS LLC Reduced -19,513-19.5k
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC Reduced -13,026-13.0k
Y-Intercept (Hong Kong) Ltd Sold out -10,524-10.5k
Hillsdale Investment Management Inc. Sold out -9,251-9.3k
ARS Investment Partners, LLC Reduced -8,099-8.1k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $243.1k24.0k shares
WOLVERINE TRADING, LLC New $154.0k15.2k shares
CITADEL ADVISORS LLC Added $32.4k3.2k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $339.4k33.5k shares
CITADEL ADVISORS LLC Added $154.0k15.2k shares
GROUP ONE TRADING LLC Added $27.4k2.7k 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 2024

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 22: 4 buyingQ3 22: 0 sellingQ4 22: 3 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 1 sellingQ2 23Q3 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 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20224$40.6k0——
Q4 20223$19.1k0——
Q1 20230—0——
Q2 20230—1$293.0k—
Q3 20230—0——
Q4 20233$52.3k0——
Q1 20240—0——
Q2 20240—0——

None reported in Q2 2024.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 853,163853.2k $8.6m $8.6m 0.00% Added +578.0k +577,957
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 669,754669.8k $6.8m $6.8m 0.00% Added +79.7k +79,713
3 HEARTLAND ADVISORS INC 0.28% of their portfolio MILWAUKEE, WI 500,000500.0k $5.1m $5.1m 0.28% Unchanged
4 Prescott Group Capital Management, L.L.C. 0.71% of their portfolio Tulsa, OK 448,301448.3k $4.5m $4.5m 0.71% Added +381.1k +381,054
5 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 285,196285.2k $2.9m $2.9m 0.00% Added +150.1k +150,120
6 THOMPSON SIEGEL & WALMSLEY LLC 0.04% of their portfolio RICHMOND, VA 238,991239.0k $2.4m $2.4m 0.04% New
7 ESSEX INVESTMENT MANAGEMENT CO LLC 0.42% of their portfolio BOSTON, MA 219,130219.1k $2.2m $2.2m 0.42% Added +29.7k +29,680
8 Perritt Capital Management Inc 1.07% of their portfolio Chicago, IL 193,700193.7k $2.0m $2.0m 1.07% Reduced -3.1k -3,117
9 VAN ECK ASSOCIATES CORP 0.00% of their portfolio NEW YORK, NY 162,003162.0k $1.6m $1.6m 0.00% New
10 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 147,604147.6k $1.5m $1.5m 0.00% Added +100.4k +100,422
11 ARS Investment Partners, LLC 0.14% of their portfolio New York, NY 144,328144.3k $1.5m $1.5m 0.14% Reduced -8.1k -8,099
12 Ancora Advisors LLC 0.03% of their portfolio Cleveland, OH 136,594136.6k $1.4m $1.4m 0.03% Reduced -7.1k -7,052
13 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 126,896126.9k $1.3m $1.3m 0.00% Reduced -21.9k -21,900
14 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 78,50678.5k $795.1k $795.1k 0.00% Added +13.9k +13,949
15 Legato Capital Management LLC 0.10% of their portfolio San Francisco, CA 75,03175.0k $760.1k $760.1k 0.10% Unchanged
16 Apis Capital Advisors, LLC 0.45% of their portfolio New York, NY 60,00060.0k $607.8k $607.8k 0.45% Added +14.0k +14,000
17 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 41,81441.8k $423.6k $423.6k 0.00% Reduced -68.4k -68,429
18 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 35,00035.0k $354.6k $354.6k 0.00% New
19 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 33,34433.3k $337.8k $337.8k 0.00% New
20 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 31,80231.8k $322.2k $322.2k 0.00% Added +2.9k +2,857
21 BAILARD, INC. 0.01% of their portfolio Foster City, CA 31,66531.7k $320.8k $320.8k 0.01% Unchanged
22 MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 0.09% of their portfolio MILWAUKEE, WI 25,64525.6k $259.8k $259.8k 0.09% Reduced -13.0k -13,026
23 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 22,10022.1k $223.9k $223.9k 0.01% Unchanged
24 COMMONS CAPITAL, LLC 0.27% of their portfolio NEEDHAM, MA 21,97522.0k $222.6k $222.6k 0.27% Unchanged
25 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 19,53919.5k $197.9k $197.9k 0.00% New
26 Man Group plc 0.00% of their portfolio LONDON, X0 18,93418.9k $191.8k $191.8k 0.00% New
27 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 18,75018.8k $189.9k $189.9k 0.00% New
28 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 16,89516.9k $171.1k $171.1k 0.00% New
29 Fermata Advisors, LLC 0.04% of their portfolio SONOMA, CA 15,08615.1k $152.8k $152.8k 0.04% Added +2.8k +2,811
30 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 13,50413.5k $136.8k $136.8k 0.00% Added +7.9k +7,948
31 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 13,20013.2k $133.7k $133.7k 0.00% New
32 Alpine Global Management, LLC 0.02% of their portfolio NEW YORK, NY 11,90911.9k $120.6k $120.6k 0.02% New
33 THOMPSON DAVIS & CO., INC. 0.10% of their portfolio RICHMOND, VA 11,85511.9k $120.1k $120.1k 0.10% New
34 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 10,89710.9k $110.4k $110.4k 0.00% New
35 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 10,72210.7k $108.6k $108.6k 0.00% Added +9.2k +9,236
36 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 10,00010.0k $101.3k $101.3k 0.00% New
37 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 9,1359.1k $92.5k $92.5k 0.00% Added +4.5k +4,489
38 JAMISON PRIVATE WEALTH MANAGEMENT, INC. 0.00% of their portfolio MILTON, GA 9,0009.0k $0 $0 0.00% Unchanged
39 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 6,7686.8k $68.6k $68.6k 0.00% First filing
40 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 6,2816.3k $63.0k $63.0k 0.00% Added +3.6k +3,615
41 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 5,9105.9k $59.9k $59.9k 0.00% Reduced -19.5k -19,513
42 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 4,5314.5k $45.9k $45.9k 0.00% New
43 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 4,2624.3k $43.2k $43.2k 0.00% New
44 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 4,0284.0k $40.8k $40.8k 0.00% Added +3.9k +3,931
45 UBS Group AG 0.00% of their portfolio ZURICH, V8 3,9844.0k $40.4k $40.4k 0.00% Added +3.9k +3,894
46 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 3,8243.8k $38.7k $38.7k 0.00% New
47 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 3,2933.3k $33.4k $33.4k 0.00% New
48 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,2933.3k $33.4k $33.4k 0.00% Added +2.4k +2,355
49 Venturi Wealth Management, LLC 0.00% of their portfolio AUSTIN, TX 3,0003.0k $30.4k $30.4k 0.00% Unchanged
50 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 2,7372.7k $27.7k $27.7k 0.00% Reduced -4.7k -4,686
51 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,1502.1k $21.8k $21.8k 0.00% Added +150 +150
52 Legal & General Group Plc 0.00% of their portfolio London, X0 1,3831.4k $14.0k $14.0k 0.00% New
53 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,2321.2k $12.5k $12.5k 0.00% New
54 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,1841.2k $12.0k $12.0k 0.00% Added +1.2k +1,182
55 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 912912 $9.2k $9.2k 0.00% New
56 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 435435 $4.0k $4.0k 0.00% New
57 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 357357 $3.6k $3.6k 0.00% New
58 WEST PACES ADVISORS INC. 0.00% of their portfolio ATLANTA, GA 125125 $1.3k $1.3k 0.00% Unchanged
59 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged