# Guardian Metal Resources PLC: overview

GMTL · NYSE · CIK 2039972 · [Materials](/sectors/materials.md) · fiscal year ends Jun 30

Pages: [Overview](/companies/gmtl.md) · [Financials](/companies/gmtl/financials.md) · [Filings](/companies/gmtl/filings.md) · [Insiders](/companies/gmtl/insiders.md)

Revenue is not reported in this company’s XBRL financial statements.

## Last eight quarters

Not reported.

## Last five fiscal years

Not reported.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/gmtl/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [Philosophy Capital Management LLC](/funds/1869199.md) | 2026-06-30 | $12.2m | 871,708 |  | New +871,708 |
| [Driehaus Capital Management LLC](/funds/938206.md) | 2026-06-30 | $12.0m | 860,026 |  | Added +304,775 |
| [Potrero Capital Research LLC](/funds/1536630.md) | 2026-06-30 | $8.8m | 629,393 |  | Added +269,886 |
| [Aventail Capital Group, LP](/funds/1803822.md) | 2026-06-30 | $7.0m | 497,219 |  | Added +66,441 |
| [ARDSLEY ADVISORY PARTNERS LP](/funds/900529.md) | 2026-06-30 | $5.6m | 400,000 |  | New +400,000 |
| [BANK OF MONTREAL /CAN/](/funds/927971.md) | 2026-06-30 | $4.7m | 243,279 |  | Added +233,279 |
| [PICTON MAHONEY ASSET MANAGEMENT](/funds/1539041.md) | 2026-06-30 | $4.1m | 292,832 |  | Reduced −16,563 |
| [Diametric Capital, LP](/funds/1719087.md) | 2026-06-30 | $2.9m | 209,761 |  | Added +51,749 |
| [WESTERLY CAPITAL MANAGEMENT, LLC](/funds/1546172.md) | 2026-06-30 | $2.8m | 200,000 |  | Added +199,000 |
| [Verition Fund Management LLC](/funds/1454027.md) | 2026-06-30 | $2.7m | 195,000 |  | New +195,000 |

## Recent filings

[All 70 filings](/companies/gmtl/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-30 | 06:59 ET | [6-K](/filings/0001654954-26-009254.md) | Report of a foreign private issuer, period 2026-10-30 | 0001654954-26-009254 |
| 2026-10-30 | 06:43 ET | [6-K](/filings/0001654954-26-009249.md) | Report of a foreign private issuer, period 2026-10-30 | 0001654954-26-009249 |
| 2026-10-29 | 07:15 ET | [6-K](/filings/0001654954-26-009201.md) | Report of a foreign private issuer, period 2026-10-29 | 0001654954-26-009201 |
| 2026-10-21 | 06:08 ET | [6-K](/filings/0001654954-26-009060.md) | Report of a foreign private issuer, period 2026-10-21 | 0001654954-26-009060 |
| 2026-10-21 | 06:01 ET | [6-K](/filings/0001654954-26-009058.md) | Report of a foreign private issuer, period 2026-10-21 | 0001654954-26-009058 |
| 2026-09-30 | 07:05 ET | [6-K](/filings/0001654954-26-008644.md) | Report of a foreign private issuer, period 2026-09-30 | 0001654954-26-008644 |
| 2026-09-21 | 06:37 ET | [6-K](/filings/0001654954-26-008474.md) | Report of a foreign private issuer, period 2026-09-21 | 0001654954-26-008474 |
| 2026-09-17 | 09:27 ET | [6-K](/filings/0001654954-26-008419.md) | Report of a foreign private issuer, period 2026-09-17 | 0001654954-26-008419 |
| 2026-09-17 | 06:06 ET | [6-K](/filings/0001654954-26-008413.md) | Report of a foreign private issuer, period 2026-09-17 | 0001654954-26-008413 |
| 2026-09-17 | 06:05 ET | [20-F](/filings/0001104659-26-108373.md) | Annual report of a foreign private issuer, period 2026-06-30 | 0001104659-26-108373 |

## Latest annual report

[Form 20-F for the fiscal year ended Jun 30, 2026](/filings/0001104659-26-108373.md), filed Sep 17, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 2039972
- Tickers: GMTL
- Exchange: NYSE
- SIC code: 1000 Metal Mining
- State of incorporation: X0
- Filer category: Non-accelerated filer<br>Emerging growth company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 07:01 ET. No prices; not investment advice.