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Livermore
Livermore
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Guardian Metal Resources PLC

GMTL
Exchange
NYSE
Industry
Metal Mining
SEC CIK
0002039972

No open-market purchases or sales by Guardian Metal Resources PLC insiders were filed in the last 90 days; 47 institutions reported holding it in 13F filings for Q2 2026, worth $87.5M in total; no superinvestor holds it.

Holders of 5% or more of GMTL

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Guardian Metal Resources PLC, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of GMTL
HolderLatest formStakeChangeFirst filedLatest filingFiling
UCAM Ltd13G/A22.00%42.8M shares−2.40 ppfrom 24.40%Apr 24, 20262 filingsJul 2, 2026SEC
Duquesne Family Office LLCSuperinvestorDuquesne Family Office13G/A12.70%24.7M shares0.00 ppfrom 12.70%Sep 14, 20262 filingsSep 14, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on Guardian Metal Resources PLC, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on GMTL
Filed (ET)FilerFormStakeChangeEvent dateFiling
Sep 14, 20266:41 PM ETDuquesne Family Office LLCand 1 otherSuperinvestorDuquesne Family Office13G/A12.70%24.7M shares0.00 ppfrom 12.70%Mar 31, 2026SEC
Sep 14, 20265:15 PM ETDuquesne Family Office LLCand 1 otherSuperinvestorDuquesne Family Office13G12.70%24.7M sharesNewMar 31, 2026SEC
Jul 2, 20268:30 AM ETUCAM Ltd13G/A22.00%42.8M shares−2.40 ppfrom 24.40%Jun 30, 2026SEC
Apr 24, 20264:15 PM ETUCAM Ltd13G24.40%47.4M sharesNewMar 31, 2026SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Guardian Metal Resources PLC shares.

No Form 144 notices for Guardian Metal Resources PLC are on file.