Reflexivity is a startup cofounded by two former hedge fund traders. AdvertisementA 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. Interactive Brokers and Greycroft led the round, which included participation from billionaire investor Stanley Druckenmiller and Greg Coffey, the Australian founder of hedge fund Kirkoswald. AdvertisementIt has a valuation between $115 million and $150 million, Szilagyi said.

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Persons: —, Greycroft, Stanley Druckenmiller, Greg Coffey, Izzy Englander, Reflexivity, Jan Szilagyi, Szilagyi, George Soros, Giuseppe Sette, Howard, Wells, Szilyagyi, that's Organizations: Service, Interactive, Millennium, Catalyst, P, Business, Druckenmiller's Duquesne Capital Management, Fortress Investment Group, Millennium Management, Soros Fund, London Stock Exchange Group, Federal Reserve Locations: Australian, MUFG, Fargo, Wells Fargo