TransUnion Prices IPO at $22.50 a Share

TransUnion, one of the three leading credit-reporting companies in the U.S., priced its initial public offering at $22.50 a share, at the top end of its range, implying a market valuation of about $4 billion.

The Chicago company sold 29.5 million shares, raising about $626.5 million after deducting commissions and other fees. Underwriters could sell an additional 4.4 million shares.

Shares are scheduled to begin trading on the New York Stock Exchange Thursday under the ticker symbol "TRU".

Advent International Corp. and Goldman Sachs Group Inc., which remain the controlling stakeholders, bought the company in 2012, in what was the largest private-equity backed buyout that year.

Sellers, who had intended to take the company public, included private-equity firm Madison Dearborn Partners and the Pritzker family, the company's longtime owner who had built such brands at Hyatt Hotels Corp.

In 2005, TransUnion was spun off from Marmon Holdings Inc. to the Pritzker family.

Write to Maria Armental at [e-mail]

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