Real estate brokerage RE/MAX has filed to raise up to $100 million in an initial public offering. PE firm Weston Presidio is among the shareholders in the company. Founded in 1973, RE/MAX is a global real estate network of franchise-owned and -operated offices with nearly 90,000 sales associates. Weston Presidio made an investment in the company as part of a larger refinancing transaction in 2010. RE/MAX has applied to list on the NYSE under the RMAX symbol.