Guardian Metal Resources GMTL Institutional Ownership

Updated Oct 16, 2026

Guardian Metal Resources PLC (NYSE:GMTL) was reported as a holding by 47 institutional investors in 13F filings for the quarter ended June 30, 2026.

• Collectively, these holders controlled 10.65% of Guardian Metal Resources' outstanding shares in Q2 2026, up from 9.12% in Q1 2026.
• Total holdings of Guardian Metal Resources shares rose 16.75% compared with Q1 2026.
• Of these 47 holders, 36 added to their positions, 10 reduced their stakes and 1 left its position unchanged.
• Institutional investors held 6.15Mn shares of Guardian Metal Resources in total at the end of Q2 2026, up 882.67K from the prior quarter.
• As of June 30, 2026, the biggest holder of Guardian Metal Resources was Philosophy Capital Management LLC with 871.71K shares, or 1.51% of shares outstanding.
• The biggest increases in GMTL positions during Q2 2026 came from Driehaus Capital Management LLC (+304.77K shares), Potrero Capital Research LLC (+269.89K shares), Bank of Montreal (+233.28K shares), Westerly Capital Management, LLC (+199K shares) and Bank of America Corp (+94.96K shares).
• The largest position reductions in GMTL for Q2 2026 were by T. Rowe Price Investment Management, Inc. (-596.13K shares), Millennium Management LLC (-36.12K shares), Monaco Asset Management SAM (-31.33K shares), Jane Street Group, LLC (-29.97K shares) and ArrowMark Colorado Holdings LLC (-27.34K shares).
• Business Quant data shows the 10 biggest positions in Guardian Metal Resources as of Q2 2026 were held by Philosophy Capital Management LLC (871.71K shares), Driehaus Capital Management LLC (860.03K shares), Potrero Capital Research LLC (629.39K shares), T. Rowe Price Investment Management, Inc. (515.02K shares), Aventail Capital Group, LP (497.22K shares), Ardsley Advisory Partners LP (400K shares), Picton Mahoney Asset Management (292.83K shares), Bank of Montreal (243.28K shares), Diametric Capital, LP (209.76K shares) and Westerly Capital Management, LLC (200K shares).