 U.S. private equity firm Thoma Bravos blank-check company Thoma Bravo Advantage NYSE: TBA has reached an agreement to take Israeli mobile monetization company ironSource public through a merger that values the combined business at 11.1 billion, the companies said on Sunday. What Happened: Thoma Bravo Advantage, a special purpose acquisition company, or SPAC, will help fund the deal with 1.3 billion of new investment from a group of blue-chip asset managers that include Tiger Global Management, Wellington Management and Seth Klarmans Baupost Group. 