Grant Park Advisors LLC - a new and growing financial services firm. We specialize in providing Independence and Freedom through Cambridge Investment Research Inc. and Cambridge Investment Research Advisors Inc. to entrepreneurial financial advisors looking to serve their clients while building their future and business. 332 S. Michigan Ave, 9th Flr. Chicago, Il 60604 312-373-1750 Registered Representative - Securities offered through Cambridge Investment research, Inc., a broker-dealer, member Finra/Sipc Investment Advisor Representative - Cambridge Investment Research Advisors, Inc., a Registered Investment Adviser. Cambridge and Grant Park Advisors LLC are not affiliated.