{"kind":"fund","name":"Rio Tinto","slug":"rio-tinto","answer":"Yes. According to SeedForge's Active Investor Index, Rio Tinto's most recent publicly evidenced investment was announced on March 31, 2026 (Supra Elemental Recovery, pre-seed), which is within the last 6 months. The index is refreshed weekly and investors without evidence in the last 180 days are removed.","status":"published","citation":"SeedForge Active Investor Index: Rio Tinto, latest evidenced participation announced 2026-03-31. Updated 2026-09-24. seedforge.com/investors/funds/rio-tinto--a0a40x","logo_url":null,"page_key":"fund--a0a40x","publicId":"a0a40x","seo_title":"Rio Tinto: publicly evidenced deal, 31 Mar 2026 (dated)","round_band":null,"type_label":"VC fund","updated_at":"2026-09-24","ages_out_on":"2026-09-27","check_range":null,"stages_seen":"Pre-seed","website_url":null,"related_list":{"href":"/investors/active/climate/pre-seed","label":"More active pre-seed climate tech investors"},"method_version":"v1.13","participations":[{"round":"pre-seed","company":"Supra Elemental Recovery","dated_on":"2026-03-31","announced_on":"2026-03-31","closing_date":null,"evidence_url":"https://www.linkedin.com/posts/supra-elemental-recovery_criticalminerals-riotinto-foundersfactory-activity-7444736136641576960-54yG","evidence_path":"/investors/funds/rio-tinto--a0a40x/evidence/2026-03-31--supra-elemental-recovery","closing_source":null}],"answer_question":"Has Rio Tinto invested in the last 6 months?","geography_label":null,"latest_announced":"2026-03-31","meta_description":"Rio Tinto's most recent publicly evidenced investment: Supra Elemental Recovery, pre-seed, announced March 31, 2026. Refreshed weekly by SeedForge. Cite freely.","corroborated_identity":false,"mandate_geography_label":null}