Blackstone agreed to acquire a majority stake in ASK Investment Managers, an asset and wealth management company, from Advent International, a private equity firm. Financial terms were not disclosed. “We are excited about the investment from Blackstone, as a long-term strategic partner. This partnership is a testament to ASK’s high-quality management team and the business we have built over decades. Blackstone’s global reach and deep knowledge of the financial services sector will further strengthen our asset and wealth management businesses and help us grow significantly," Sameer Koticha, ASK Investment Managers Founder and Chairman.