Guardian Metal Resources, a Tungsten-focused exploration-stage mining company with projects in Nevada, filed on Thursday with the SEC to raise up to $50 million in an initial public offering.
Guardian Metal Resources is an exploration-stage mining company focused on tungsten and other minerals in Nevada. Its main projects are the Pilot Mountain and Tempiute tungsten properties, both located in historic mining districts with prior third-party production. In addition to tungsten, it holds early-stage copper, gold, silver, and lithium exploration properties. Current activities include engineering work to support a feasibility study at Pilot Mountain and ongoing exploration and resource-definition drilling at Tempiute.
The London, United Kingdom-based company was founded in 2021 and plans to list on the NYSE American under the symbol GMTL. The firm is currently listed on the AIM under GMET. Guardian Metal Resources filed confidentially on December 17, 2025. BMO Capital Markets is the sole bookrunner on the deal.
