Home / Investors / Peter ThielPTInvestorPeter ThielInvestment profilePortfolio in index3Top categoriesOpen Source, Marketplace, AIMost active atSeries ATop citiesBerlin, Brooklyn, Boston3 portfolio companies in the indexCLCal.comOpen-source scheduling infrastructure.Open SourceΒ·Series AWHWhopMarketplace + storefronts for digital products.MarketplaceΒ·Series AETEtched AITransformer chips faster than GPUsAIΒ·Series A