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IsoEnergy Ltd.

ISOU
Exchange
NYSE
Industry
Miscellaneous Metal Ores
SEC CIK
0001997377

No open-market purchases or sales by IsoEnergy Ltd. insiders were filed in the last 90 days; 48 institutions reported holding it in 13F filings for Q2 2026, worth $161.4M in total; no superinvestor holds it.

Key figures

Market capClose on Nov 13, 2026
$410.3M
Insider buysOpen market, last 90 days
0
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, +8 vs. previous quarter
48
13F valueReported value at the end of Q2 2026
$161.4M
Superinvestors holdingAt the end of Q2 2026
0

Price chart

From SEC filings, in CAD.

Revenue, FY2025
–
No comparable prior period
Net income, FY2025
CAD -1.13M
No comparable prior period
Free cash flow, FY2025
CAD -13.3M
No comparable prior period

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
2.89M
Shares sold short
Change
+465.8K
+19.2% vs. previous
Days to cover
33.25
At average daily volume

Superinvestors holding ISOU, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding ISOU at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by IsoEnergy Ltd. insiders from Form 4, newest first.

No open-market purchases or sales by IsoEnergy Ltd. insiders are on file.

Top 10 13F holders, Q2 2026

See all 48 holders

The largest institutional positions in IsoEnergy Ltd. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding ISOU in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Van Eck Associates Corp4,566,386$45.5M0.03%+2,222,875+94.9%Added
L1 Capital Pty Ltd2,778,857$27.7M0.93%+293,780+11.8%Added
Mirae Asset Global ETFs Holdings Ltd.2,481,841$24.7M0.03%+31,860+1.3%Added
Vident Advisory, LLC1,250,237$12.5M0.09%+225,911+22.1%Added
CIBC World Markets Inc.1,014,328$10.1M0.02%−9,041−0.9%Reduced
Manufacturers Life Insurance Company, The932,342$9.05M0.01%+7,665+0.8%Added
Masters Capital Management LLC600,000$5.98M0.84%−100,000−14.3%Reduced
UBS Group AG572,217$5.71M0.00%+269,634+89.1%Added
Firetrail Investments Pty Ltd293,110$2.90M0.82%+293,110New
Invst, LLC235,377$2.35M0.23%−7,856−3.2%Reduced

Holders of 5% or more of ISOU

See all 2 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of IsoEnergy Ltd..

Largest holders of ISOU from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
NexGen Energy Ltd.13D30.90%16.5M sharesNewJun 25, 20251 filingJun 25, 2025SEC
Van Eck Associates Corp13G/A5.70%3.70M shares−1.80 ppfrom 7.50%Aug 14, 20262 filingsNov 13, 2026SEC