Reflexivity cofounders Jan Szilagyi and Giuseppe Sette.ReflexivityReflexivity is a startup cofounded by two former hedge fund traders.It sells software to hedge funds and institutional investors to speed up the research process.The 4-year-old upstart just raised its $30 million Series B.A startup looking to transform how investors and traders use data just received funding from some of the biggest names in the hedge fund world.Reflexivity, formerly known as Toggle AI, just raised its $30 million Series B, the startup announced Monday.