Goldman Sachs is estimating a 500% return on its initial investment of $550 million in credit data provider TransUnion; the investment began in 2012 when Goldman Sachs bought TransUnion; since then TransUnion has gone public with shares opening at $22.50 on June 25, 2015 and currently trading at $38.23; Goldman Sachs has also earned $50 million from TransUnion’s IPO and debt underwriting; additionally, Goldman Sachs is reporting a number of other advantages from the investment including support for its newly launched consumer lending platform Marcus which is a client of TransUnion. Source