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 $88.0M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Guardian Metal Resources PLC as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 47
- +16 vs. Q1 2026
- Shares held
- 6.19M
- +915.3K (+17.4%) vs. Q1 2026
- Total value
- $88.0M
- −$4.15M (−4.5%) vs. Q1 2026
- New holders
- 22
- 14 more added
- Sold out
- 6
- 10 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GMTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 47 | $88.0M |
| Q1 2026 | 31 | $92.1M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Guardian Metal Resources PLC; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Philosophy Capital Management LLC | 871,708 | $12.2M | 1.17% | +871,708 | New |
| Driehaus Capital Management LLC | 860,026 | $12.0M | 0.07% | +304,775+54.9% | Added |
| Potrero Capital Research LLC | 629,393 | $8.82M | 5.40% | +269,886+75.1% | Added |
| T. Rowe Price Investment Management, Inc. | 515,024 | $7.22M | 0.00% | −596,135−53.6% | Reduced |
| Aventail Capital Group, LP | 497,219 | $6.97M | 0.40% | +66,441+15.4% | Added |
| Ardsley Advisory Partners LP | 400,000 | $5.60M | 0.61% | +400,000 | New |
| Bank of Montreal | 243,279 | $4.74M | 0.00% | +233,279+2,332.8% | Added |
| Picton Mahoney Asset Management | 292,832 | $4.10M | 0.04% | −16,563−5.4% | Reduced |
| Diametric Capital, LP | 209,761 | $2.94M | 0.31% | +51,749+32.8% | Added |
| Westerly Capital Management, LLC | 200,000 | $2.80M | 0.52% | +199,000+19,900.0% | Added |
| Verition Fund Management LLC | 195,000 | $2.73M | 0.02% | +195,000 | New |
| Teacher Retirement System of Texas | 150,000 | $2.10M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 106,623 | $1.49M | 0.00% | +94,962+814.4% | Added |
| Castle Hook Partners LP | 95,000 | $1.33M | 0.01% | +95,000 | New |
| SummitTX Capital, L.P. | 92,108 | $1.29M | 0.03% | +92,108 | New |
| Jane Street Group, LLC | 76,992 | $1.08M | 0.00% | −29,971−28.0% | Reduced |
| Panoramic Capital, LLC | 70,000 | $980.7K | 0.42% | +70,000 | New |
| ArrowMark Colorado Holdings LLC | 68,567 | $960.6K | 0.04% | −27,340−28.5% | Reduced |
| Mercuria Capital Strategies, LLC | 67,984 | $952.5K | 0.58% | +2,984+4.6% | Added |
| Clearline Capital LP | 65,939 | $923.8K | 0.06% | +65,939 | New |
| Cambridge Investment Research Advisors, Inc. | 65,216 | $914.0K | 0.00% | +33,960+108.7% | Added |
| Manufacturers Life Insurance Company, The | 57,311 | $802.9K | 0.00% | +25,311+79.1% | Added |
| JPMorgan Chase & Co | 57,011 | $802.1K | 0.00% | +44,713+363.6% | Added |
| Wexford Capital LP | 37,822 | $529.9K | 0.07% | +12,822+51.3% | Added |
| Ci Investments Inc. | 34,406 | $482.0K | 0.00% | +34,406 | New |
| Marshall Wace, LLP | 32,336 | $453.0K | 0.00% | +32,336 | New |
| Prelude Capital Management, LLC | 23,631 | $331.1K | 0.02% | −8,846−27.2% | Reduced |
| Goldman Sachs Group Inc | 22,972 | $321.8K | 0.00% | +22,972 | New |
| Phoenix Holdings Ltd. | 21,022 | $293.6K | 0.00% | +21,022 | New |
| XTX Topco Ltd | 20,715 | $290.2K | 0.00% | +20,715 | New |
| Millennium Management LLC | 16,584 | $232.3K | 0.00% | −36,124−68.5% | Reduced |
| Banque Cantonale Vaudoise | 16,200 | $227.0K | 0.00% | +16,200 | New |
| Worth Venture Partners, LLC | 15,120 | $211.8K | 0.48% | +15,120 | New |
| Gilder Gagnon Howe & Co LLC | 12,257 | $171.7K | 0.00% | −344−2.7% | Reduced |
| Monaco Asset Management SAM | 10,617 | $148.7K | 0.06% | −31,326−74.7% | Reduced |
| Persistent Asset Partners Ltd | 10,347 | $145.0K | 0.05% | +10,347 | New |
| Northwest & Ethical Investments L.P. | 5,958 | $84.2K | 0.00% | −9,798−62.2% | Reduced |
| State of Wyoming | 5,767 | $80.8K | 0.01% | +5,767 | New |
| BNP Paribas Arbitrage, SA | 4,516 | $63.3K | 0.00% | +4,516 | New |
| UBS Group AG | 2,101 | $29.4K | 0.00% | +1,963+1,422.5% | Added |
| The PNC Financial Services Group, Inc. | 1,945 | $27.2K | 0.00% | −11−0.6% | Reduced |
| Royal Bank of Canada | 1,960 | $27.0K | 0.00% | +1,960 | New |
| GAMMA Investing LLC | 1,271 | $17.8K | 0.00% | +1,271 | New |
| Jones Financial Companies LLLP | 500 | $7.55K | 0.00% | +500 | New |
| Morgan Stanley | 506 | $7.09K | 0.00% | +347+218.2% | Added |
| Accordant Advisory Group Inc | 62 | $869 | 0.00% | +62 | New |
| Caitong International Asset Management Co., Ltd | 1 | $14 | 0.00% | +1 | New |
| Donald Smith & Co., Inc. | 0 | $0 | 0.00% | −1,500,556−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −78,383−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −43,048−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −20,372−100.0% | Sold out |
| Connective Capital Management, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |