HOUSTON & NEW YORK--(BUSINESS WIRE)--Virtus Partners, LLC (“Virtus”), a market leader in technology-enabled, fixed-income collateral administrative services, announced today that Aquiline Capital Partners LLC (“Aquiline”), a New York-based private equity firm investing in financial services, has made a significant minority investment in Virtus. Virtus provides a comprehensive, integrated suite of front, middle, and back office fixed-income administrative and analytical services. Its global offe