{"slug":"fos4x","name":"Fos4X","url":"https://www.gp-intel.com/company/fos4x","sector":"ClimateTech","country":"Germany","hq_city":null,"website":null,"founded_year":null,"ipo_year":null,"status":"exited","current_owner":null,"current_holder":{"name":"Polytec Group","names":["Polytec Group"],"since_year":2021,"basis":"trade_sale"},"ownership_periods":3,"ownership":[{"owner":"Bayern Kapital","fund":"Seedfonds Bayern","fund_vintage":1996,"entry_year":2012,"exit_year":2020,"is_exit":true,"deal_type":"Trade Sale","buyer":"Polytec","moic":null,"sector":"Deep Tech"},{"owner":"Unternehmertum Venture Capital Partners","fund":"UVC Fund I","fund_vintage":2011,"entry_year":2012,"exit_year":2020,"is_exit":true,"deal_type":"Trade Sale","buyer":"PolyTech","moic":null,"sector":"ClimateTech"},{"owner":"High-Tech Gruenderfonds (HTGF)","fund":"HTGF II","fund_vintage":2011,"entry_year":2012,"exit_year":2021,"is_exit":true,"deal_type":"Trade Sale","buyer":"Polytec Group","moic":null,"sector":"ClimateTech"}],"source":"gp-intel.com","license":"CC-BY-4.0","updated_at":"2026-09-30T09:11:37.218Z"}