Vestmark VAST® to help deepen presence among RIAs with custom model portfolios and tax management services. WAKEFIELD, Mass., Feb. 27, 2024 /PRNewswire/ -- Vestmark, Inc., a leading provider of wealth management software and services, and Invesco Ltd. (NYSE: IVZ), a leading global investment management firm, today announced a partnership set to transform the Registered Investment Advisor (RIA) channel. As of today, RIAs using new and existing Invesco models will gain access to Vestmark VAST®, an innovative ...