{"investor":{"slug":"mithril-capital-management","name":"Mithril Capital Management","website":null,"x_handle":null,"logo":null,"type":"fund","companies":1,"deals":2,"deals_12m":0,"leads":0,"round_capital":41500000,"latest_deal":{"date":"2020-09-23","stage":"series-b+","amount_usd":40000000,"company":{"slug":"helion-energy","name":"Helion Energy"}}},"profile":null,"fund_returns":[],"portfolio":[{"slug":"helion-energy","name":"Helion Energy","logo":"https://recentfunding.com/logo/u/aHR0cHM6Ly9ib29rZmFjZS1pbWFnZXMuczMuYW1hem9uYXdzLmNvbS9zbWFsbF9sb2dvcy9iNTExOWU3ZDFhNjg1MDUyY2EwNmQxNDRmZGUwMzFmYjJjMTNiYWY0LnBuZw","crypto":false,"categories":["climate-energy","industrial"],"total_raised":1441500000,"latest_raise":{"date":"2026-06-04","stage":"series-b+","amount_usd":465000000,"source_url":"https://fundraisingfox.com/companies/helion-energy"},"rounds_with_investor":[{"date":"2020-09-23","stage":"series-b+","amount_usd":40000000,"source_url":"https://www.helionenergy.com/newsroom/fusion-energy-startup-helion-energy-closes-latest-funding-round-at-1-25b-valuation","lead":false},{"date":"2014-08-01","stage":"unknown","amount_usd":1500000,"source_url":"https://www.nextbigfuture.com/2015/08/helion-energy-raised-109-million-and.html","lead":false}]}],"top_categories":[{"key":"climate-energy","label":"Climate and energy","companies":1,"share":1},{"key":"industrial","label":"Manufacturing and industrial","companies":1,"share":1}],"allocation":{"stages":[{"key":"unknown","label":"round","deals":1,"capital":1500000,"share":0.5},{"key":"series-b+","label":"Series b+","deals":1,"capital":40000000,"share":0.5}],"years":[{"year":"2014","deals":1,"capital":1500000,"share":0.5},{"year":"2020","deals":1,"capital":40000000,"share":0.5}]},"co_investors":[{"slug":"y-combinator","name":"Y Combinator","logo":"https://recentfunding.com/brand/programs/yc.png","type":"accelerator","shared_rounds":2,"last_shared":"2020-09-23"},{"slug":"sam-altman","name":"Sam Altman","logo":"https://recentfunding.com/logo/u/aHR0cHM6Ly9mcmFtZXJ1c2VyY29udGVudC5jb20vaW1hZ2VzL2dJNmt4T0FHZURZcEMwbE1IcFNqemU1WURNLmpwZWc","type":"fund","shared_rounds":1,"last_shared":"2020-09-23"},{"slug":"capricorn-investment-group","name":"Capricorn Investment Group","logo":null,"type":"fund","shared_rounds":1,"last_shared":"2020-09-23"},{"slug":"dustin-moskovitz","name":"Dustin Moskovitz","logo":null,"type":"fund","shared_rounds":1,"last_shared":"2020-09-23"}]}