{"kind":"fund","name":"Hudson River Trading","slug":"hudson-river-trading","answer":"Yes. According to SeedForge's Active Investor Index, Hudson River Trading's most recent publicly evidenced investment was announced on May 28, 2026 (Gray Swan, series-a), 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: Hudson River Trading, latest evidenced participation announced 2026-05-28. Updated 2026-09-24. seedforge.com/investors/funds/hudson-river-trading--hvfszg","logo_url":null,"page_key":"fund--hvfszg","publicId":"hvfszg","seo_title":"Hudson River Trading: publicly evidenced deal, 28 May 2026","round_band":null,"type_label":"VC fund","updated_at":"2026-09-24","ages_out_on":"2026-11-24","check_range":null,"stages_seen":"Series A","website_url":null,"related_list":{"href":"/investors/active/cybersecurity/series-a","label":"More active Series A cybersecurity investors"},"method_version":"v1.13","participations":[{"round":"series-a","company":"Gray Swan","dated_on":"2026-05-28","announced_on":"2026-06-01","closing_date":"2026-05-28","evidence_url":"https://www.linkedin.com/posts/helping-founders-raise-capital_seriesa-fundraisingstrategy-enterpriseai-activity-7467160820892913664-Ruac","evidence_path":"/investors/funds/hudson-river-trading--hvfszg/evidence/2026-06-01--gray-swan","closing_source":"researched"}],"answer_question":"Has Hudson River Trading invested in the last 6 months?","geography_label":"N. America","latest_announced":"2026-05-28","meta_description":"Hudson River Trading's most recent publicly evidenced investment: Gray Swan, series-a, announced May 28, 2026. Refreshed weekly by SeedForge. Free to cite.","corroborated_identity":false,"mandate_geography_label":null}