GMTL on NYSE

Guardian Metal Resources PLC

Guardian Metal Resources PLC is a British metal mining company based in London, listed on NYSE (GMTL).2

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Last updated Oct 21, 2026.

Overview

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  • TickerGMTL on NYSE2
  • IndustryMetal Mining2
  • HeadquartersLondon, United Kingdom2
  • Incorporated inUnited Kingdom3
  • Business address25 Eccleston Place, London, Sw1W 9Nf3
  • Filer categoryNon-accelerated filer, Emerging growth company3
  • Legal formCorporation2
  • LEI213800J4SKZAMUEPGW342
  • StatusActive2
  • LEI statusIssued and current2
  • Registered addressC/O Orana Corporate Llp, SW1W 9NF London, United Kingdom2
  • Registered withCompanies House, 133511782

Guardian was incorporated as a private limited company with the legal name Golden Metal Resources Limited under the laws of England and Wales on April 22, 2021, with the company number 13351178. On March 8, 2022, Guardian re-registered as a public limited company, and on July 4, 2024, changed the company name to Guardian Metal Resources PLC. The address of Guardian’s registered office is c/o Orana Corporate LLP, 25 Eccleston Place, London SW1W 9NF, United Kingdom, and its telephone number is +(44) 20 7078 8496. The Company’s agent for service of process in the United States is Golden Metal Resources, LLC, address 3800 Howard Hughes Parkway STE 1000, Las Vegas, Nevada 89169, United States of America. The Company was formed to hold and advance the Nevada mineral exploration assets previously held by Power Metal Resources PLC.4 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Financial statements

Every line of the income statement as filed: the last 3 fiscal years, latest first.5

Period ending2026-06-302025-06-302024-06-30
Other operating income$23.0K$2.0K
Administrative expenses-$8.4M-$2.7M-$1.4M
Listing and admission expenses-$2.2M
Loss from operating activities-$10.5M-$2.7M-$1.4M
Other income$42.0K
Finance income$448.0K$6.0K
Finance expense-$5.0K
Loss before taxation-$10.0M-$2.7M-$1.4M
Loss for the year from continuing operations-$10.0M-$2.7M-$1.4M
Exchange translation-$597.0K$908.0K-$13.0K
Total other comprehensive (loss)/income-$597.0K$908.0K-$13.0K
Total comprehensive loss for the year-$10.6M-$1.8M-$1.4M
Basic loss per share (in dollars per share)-$0.03-$0.02-$0.02
Diluted loss per share (in dollars per share)-$0.03-$0.02-$0.02

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Corporate structure

Guardian Metal Resources PLC sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Guardian Metal Resources PLC

  • Duquesne Family Office LLC Filed SCHEDULE 13G/A on Guardian Metal Resources PLC, latest Sep 14, 2026 (2 filings since Sep 14, 2026)
  • UCAM Ltd Filed SCHEDULE 13G/A on Guardian Metal Resources PLC, latest Jul 2, 2026 (2 filings since Apr 24, 2026)
  • Guardian Metal Resources PLC London, United Kingdom

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Named in SEC Form D filings

People the company listed in its private-offering notices.

  • Executive Officer, DirectorOliver Friesen named Oct 9, 2024 to Aug 22, 20256
  • DirectorBen Hodges named Aug 22, 20256
  • DirectorJ.T. Starzecki named Oct 9, 2024 to Aug 22, 20256
  • DirectorMark Billing named Oct 9, 2024 to Aug 22, 20256
  • DirectorMark Burnett named Oct 9, 2024 to Aug 22, 20256
  • DirectorDavid Ovadia named Oct 9, 20247

Timeline

  1. Apr 22, 2021Founded Guardian Metal Resources PLC is founded2

Filings

65 filings to the SEC since October 2021: 1 annual reports, 4 large holders, 2 private raises, 58 other. The latest 20:

  1. Sep 30, 20266-K TOTAL VOTING RIGHTS EDGAR
  2. Sep 28, 2026424B3 EDGAR
  3. Sep 25, 2026EFFECT EDGAR
  4. Sep 21, 20266-K POSITIVE TEMPIUTE TUNGSTEN DRILLING RESULTS EDGAR
  5. Sep 17, 20266-K FILING OF ANNUAL REPORT ON FORM 20-F EDGAR
  6. Sep 17, 20266-K AUDITED FINANCIAL RESULTS FOR THE YEAR ENDED 30 JUNE 2026 EDGAR
  7. Sep 17, 2026POS AM EDGAR
  8. Sep 17, 202620-F EDGAR
  9. Sep 17, 20266-K EDGAR
  10. Sep 14, 20266-K DRILLING RESULTS SUPPORT POTENTIAL RESOURCE GROWTH EDGAR
  11. Sep 14, 2026SCHEDULE 13G/A EDGAR
  12. Sep 14, 2026SCHEDULE 13G EDGAR
  13. Sep 10, 20266-K TUNGSTEN ORIGIN VERIFICATION COLLABORATION EDGAR
  14. Sep 8, 20266-K ADMISSION TO FTSE AIM 50 INDEX EDGAR
  15. Aug 28, 20266-K TOTAL VOTING RIGHTS EDGAR
  16. Aug 27, 20266-K PILOT MOUNTAIN TECHNICAL REPORT SUMMARY EDGAR
  17. Aug 17, 20266-K WARRANT EXERCISE EDGAR
  18. Jul 31, 20266-K TOTAL VOTING RIGHTS EDGAR
  19. Jul 21, 20266-K DIRECTOR/PDMR SHAREHOLDING EDGAR
  20. Jul 17, 20266-K IMPLEMENTATION OF SHARE OPTION ARRANGEMENTS EDGAR

The 65 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Money raised

Private offerings the company reported to the SEC on Form D.

  1. Jul 22, 2025Raised $575,887 in a private offering of equity Form D: 5 investors so far Form D
  2. Aug 15, 2024Raised $1.8 million in a private offering of equity Form D: $3.1 million offered in all Form D

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 47. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Philosophy Capital Management LLC871,708$12.2M1.2%New
Driehaus Capital Management LLC860,026$12.0M0.1%+304,775
Potrero Capital Research LLC629,393$8.8M5.4%+269,886
Aventail Capital Group, LP497,219$7.0M0.4%+66,441
Ardsley Advisory Partners LP400,000$5.6M0.6%New
Bank Of Montreal /can/243,279$4.7M0.0%+233,279
Picton Mahoney Asset Management292,832$4.1M0.0%−16,563
Diametric Capital, LP209,761$2.9M0.3%+51,749
Westerly Capital Management, LLC200,000$2.8M0.5%+199,000
Verition Fund Management LLC195,000$2.7M0.0%New
Teacher Retirement System Of Texas150,000$2.1M0.0%No change
Bank Of America Corp /de/106,623$1.5M0.0%+94,962
Castle Hook Partners LP95,000$1.3M0.0%New
SummitTX Capital, L.P.92,108$1.3M0.0%New
Jane Street Group, LLC76,992$1.1M0.0%−29,971
Panoramic Capital, LLC70,000$980.7K0.4%New
ArrowMark Colorado Holdings LLC68,567$960.6K0.0%−27,340
Mercuria Capital Strategies, LLC67,984$952.5K0.6%+2,984
Clearline Capital LP65,939$923.8K0.1%New
Manufacturers Life Insurance Company, The57,311$802.9K0.0%+25,311
Jpmorgan Chase & Co57,011$802.1K0.0%+44,713
Wexford Capital LP37,822$529.9K0.1%+12,822
Ci Investments Inc.34,406$482.0K0.0%New
Marshall Wace, Llp32,336$453.0K0.0%New
Prelude Capital Management, LLC23,631$331.1K0.0%−8,846

13F reports cover disclosed long positions in U.S. stocks only.

SEC filer profile

How Guardian Metal Resources PLC is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARGuardian Metal Resources PLC1
  • CIK0002039972
  • Employer ID (EIN)99-48909351
  • LEI213800J4SKZAMUEPGW341
  • Filer statusNon-accelerated filer an emerging growth company; not a shell company4
  • Incorporated inUnited Kingdom4
  • Fiscal year endsJune 301
  • Industry code (SIC)1000 Metal Mining1
  • SEC reviewing officeOffice of Energy & Transportation, Division of Corporation Finance1
  • Business address25 Eccleston Place, London, SW1W 9NF, United Kingdom1
  • Phone44 20 3778 13961
  • Shares outstanding194,807,981 shares as of Jun 30, 20264
  • AuditorPKF Littlejohn LLP, London, England PCAOB ID 2814; no auditor attestation of internal control over financial reporting4
  • On EDGAR sinceOct 9, 20241
  • Filings65 in all: 6-K (36), EFFECT (4), 424B3 (3), D (2), DRS (2), F-1 (2), SCHEDULE 13G (2), SCHEDULE 13G/A (2)1
    All 20 form types

    144 (1), 20-F (1), 424B4 (1), 8-A12B (1), CERT (1), CORRESP (1), DRS/A (1), F-1/A (1), F-1MEF (1), F-6 (1), POS AM (1), UPLOAD (1)

  • Latest filingsAnnual report (20-F) Sep 17, 2026

Securities registered for trading

ClassSymbolExchange
Ordinary shares, with a nominal value of £0.01 per share
American Depositary Shares, each representing five (5) ordinary sharesGMTLNYSE American

From the cover page of the 20-F filed Sep 17, 2026 (Section 12(b) of the Exchange Act).4