Vault-13

ISOENERGY LTD ISOU

COM NEW · Common Stock · CUSIP 46500E867

48 institutional holders +8 vs Q1 2026
16,201,11716.2m shares reported held*
$161.4mreported value*
13 new 19 added 11 reduced 5 sold out net bought ≈ $32.4m (+3.3m 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. Implied quarter-end price ≈ $9.96. Options: 1 managers hold calls ($163.5k notional), 0 hold puts (—).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q1 25: 1Q2 25: 21Q3 25: 33Q4 25: 34Q1 26: 40Q2 26: 4848Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q1 20251
Q2 202521
Q3 202533
Q4 202534
Q1 202640
Q2 202648

Buyers vs sellers

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

Bought or addedCut or sold out
40040Q2 25: 20 bought or addedQ2 25: 0 cut or sold outQ2 25Q3 25: 22 bought or addedQ3 25: 9 cut or sold outQ3 25Q4 25: 20 bought or addedQ4 25: 12 cut or sold outQ4 25Q1 26: 28 bought or addedQ1 26: 11 cut or sold outQ1 26Q2 26: 32 bought or addedQ2 26: 16 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q2 2025200
Q3 2025229
Q4 20252012
Q1 20262811
Q2 20263216

Calls vs puts

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

CallsPuts
$0$50k$100k$150k$200kQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $163.5kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$0$0—
Q2 2026$163.5k$00.00

Biggest buyers

VAN ECK ASSOCIATES CORP Added +2,222,875+2.2m
L1 Capital Pty Ltd Added +293,780+293.8k
FIRETRAIL INVESTMENTS PTY LTD New +293,110+293.1k
UBS Group AG Added +269,634+269.6k
Vident Advisory, LLC Added +225,911+225.9k
MIRABELLA FINANCIAL SERVICES LLP New +158,600+158.6k
GOLDMAN SACHS GROUP INC Added +83,642+83.6k
Acasta Partners UK LLP Added +70,700+70.7k
Ausbil Investment Management Ltd New +37,700+37.7k
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Added +31,860+31.9k

Biggest sellers

MASTERS CAPITAL MANAGEMENT LLC Reduced -100,000-100.0k
Quadrature Capital Ltd Sold out -97,300-97.3k
MORGAN STANLEY Reduced -96,810-96.8k
STIFEL FINANCIAL CORP Reduced -88,116-88.1k
Themes Management Co LLC Sold out -71,791-71.8k
BANK OF AMERICA CORP /DE/ Reduced -53,400-53.4k
INTACT INVESTMENT MANAGEMENT INC. Reduced -38,000-38.0k
J.W. COLE ADVISORS, INC. Sold out -23,675-23.7k
CIBC WORLD MARKET INC. Reduced -9,041-9.0k
Invst, LLC Reduced -7,856-7.9k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $163.5k16.4k shares

Biggest puts

None

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
NexGen Energy Ltd. 13D · may seek influence new · filed 2025-06-25
Stated purposeReporting Person previously held 15,278,746 common shares of the Issuer, approximately 31.8% of the Issuer's outstanding shares prior to the date the Issuer became a U.S. reporting Issuer. On June 24, 2025, the Reporting Person purchased an additional 1,200,000 common shares of the Issuer, in the ordinary course of business, at a price of C$10.00 per share, in connection with a larger equity offering of 5,121,500 common shares by the Issuer (which increased the Issuer's total outstanding shares to 53,267,314 common shares). Full filing
30.9% new 16.5m≈ $164.3m 2025-06-25
VAN ECK ASSOCIATES CORP 13G · institution new · filed 2026-08-14 7.5% new 4.6m≈ $45.2m 2026-08-14

Fell to 5% or below in the last year: Queen's Road Capital Investment Ltd. (4.8%, 2026-05-14)

Insider purchases and sales since 1 Apr 2026

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.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VAN ECK ASSOCIATES CORP 0.03% of their portfolio NEW YORK, NY 4,566,3864.6m $45.5m $45.5m 0.03% Added +2.2m +2,222,875
2 L1 Capital Pty Ltd 0.93% of their portfolio MELBOURNE VIC 3000, C3 2,778,8572.8m $27.7m $27.7m 0.93% Added +293.8k +293,780
3 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.03% of their portfolio CAUSEWAY BAY, K3 2,481,8412.5m $24.7m $24.7m 0.03% Added +31.9k +31,860
4 Vident Advisory, LLC 0.09% of their portfolio Alpharetta, GA 1,250,2371.3m $12.5m $12.5m 0.09% Added +225.9k +225,911
5 CIBC WORLD MARKET INC. 0.02% of their portfolio TORONTO, A6 1,014,3281.0m $10.1m $10.1m 0.02% Reduced -9.0k -9,041
6 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio Toronto, A6 932,342932.3k $9.0m $9.0m 0.01% Added +7.7k +7,665
7 MASTERS CAPITAL MANAGEMENT LLC 0.84% of their portfolio ATLANTA, GA 600,000600.0k $6.0m $6.0m 0.84% Reduced -100.0k -100,000
8 UBS Group AG 0.00% of their portfolio ZURICH, V8 572,217572.2k $5.7m $5.7m 0.00% Added +269.6k +269,634
9 FIRETRAIL INVESTMENTS PTY LTD 0.82% of their portfolio BRISBANE, QLD, C3 293,110293.1k $2.9m $2.9m 0.82% New
10 Invst, LLC 0.23% of their portfolio INDIANAPOLIS, IN 235,377235.4k $2.3m $2.3m 0.23% Reduced -7.9k -7,856
11 MIRABELLA FINANCIAL SERVICES LLP 0.15% of their portfolio London, X0 158,600158.6k $1.6m $1.6m 0.15% New
12 Acasta Partners UK LLP 0.79% of their portfolio LONDON, X0 150,700150.7k $1.5m $1.5m 0.79% Added +70.7k +70,700
13 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 139,417139.4k $1.4m $1.4m 0.00% Added +83.6k +83,642
14 PenderFund Capital Management Ltd. 0.18% of their portfolio VANCOUVER, A1 139,300139.3k $1.4m $1.4m 0.18% Reduced -5.9k -5,900
15 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 110,179110.2k $1.1m $1.1m 0.00% Added +20.3k +20,283
16 Banque Cantonale Vaudoise 0.04% of their portfolio LAUSANNE, V8 101,478101.5k $1.0m $1.0m 0.04% Unchanged
17 INTACT INVESTMENT MANAGEMENT INC. 0.02% of their portfolio MONTREAL, A8 70,58170.6k $703.6k $703.6k 0.02% Reduced -38.0k -38,000
18 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 69,19369.2k $689.9k $689.9k 0.00% Reduced -88.1k -88,116
19 SPROTT INC. 0.02% of their portfolio TORONTO, A6 66,96967.0k $669.0k $669.0k 0.02% Added +525 +525
20 TD Asset Management Inc 0.00% of their portfolio Toronto, A6 66,22466.2k $660.0k $660.0k 0.00% Added +12.6k +12,592
21 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 58,69058.7k $585.1k $585.1k 0.00% Reduced -53.4k -53,400
22 OLD MISSION CAPITAL LLC 0.01% of their portfolio CHICAGO, IL 58,18358.2k $580.1k $580.1k 0.01% Added +26.0k +26,042
23 MACKENZIE FINANCIAL CORP 0.00% of their portfolio TORONTO ONTARIO, A6 45,62645.6k $645.2k $645.2k 0.00% Added +9.7k +9,665
24 Ausbil Investment Management Ltd 0.17% of their portfolio SYDNEY, C3 37,70037.7k $375.3k $375.3k 0.17% New
25 Vontobel Holding Ltd. 0.00% of their portfolio ZURICH, V8 34,65134.7k $345.1k $345.1k 0.00% Reduced -700 -700
26 Wealthspire Retirement, LLC 0.02% of their portfolio ALISO VIEJO, CA 27,80927.8k $277.3k $277.3k 0.02% Added +9 +9
27 EAGLE GLOBAL ADVISORS LLC 0.01% of their portfolio Houston, TX 26,62526.6k $265.5k $265.5k 0.01% Added +7.6k +7,600
28 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 18,80018.8k $187.4k $187.4k 0.00% New
29 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 13,98014.0k $139.0k $139.0k 0.00% New
30 Brevan Howard Capital Management LP 0.00% of their portfolio ST. HELIER, Y9 12,43112.4k $123.9k $123.9k 0.00% New
31 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 11,77711.8k $117.4k $117.4k 0.00% Reduced -96.8k -96,810
32 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 11,49111.5k $114.5k $114.5k 0.00% Added +1.2k +1,184
33 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 10,63610.6k $106.0k $106.0k 0.00% New
34 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 10,37310.4k $103.4k $103.4k 0.00% New
35 Rockbridge Asset Management LLC 0.07% of their portfolio ALEXANDRIA, VA 10,00010.0k $99.7k $99.7k 0.07% Unchanged
36 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 7,5007.5k $75.0k $75.0k 0.00% Added +3.3k +3,298
37 Trifecta Capital Advisors, LLC 0.00% of their portfolio NORTHBROOK, IL 2,3002.3k $22.9k $22.9k 0.00% New
38 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 1,8821.9k $18.1k $18.1k 0.00% Added +83 +83
39 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 1,3011.3k $13.0k $13.0k 0.00% New
40 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 951951 $9.5k $9.5k 0.00% New
41 NATIXIS 0.00% of their portfolio PARIS, I0 399399 $3.9k $3.9k 0.00% Unchanged
42 Fairscale Capital, LLC 0.00% of their portfolio NASHUA, NH 374374 $3.7k $3.7k 0.00% Unchanged
43 Cassaday & Co Wealth Management LLC 0.00% of their portfolio MCLEAN, VA 250250 $2.5k $2.5k 0.00% Reduced -225 -225
44 Federation des caisses Desjardins du Quebec 0.00% of their portfolio LEVIS, A8 2525 $242 $242 0.00% Unchanged
45 TD Waterhouse Canada Inc. 0.00% of their portfolio TORONTO, A6 1616 $157 $157 0.00% Added +8 +8
46 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 99 $90 $90 0.00% Reduced -1 -1
47 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 11 $10 $10 0.00% New
48 Purpose Unlimited Inc. 0.00% of their portfolio TORONTO, A6 11 $10 $10 0.00% New