The Nasdaq Stock Market Inc. announced the pricing of a common stock offering of 13,895,229 shares of Nasdaq’s common stock at US$40 per share.

The offering consists of 7,000,000 primary shares and 6,895,229 shares of Nasdaq’s common stock offered by National Association of Securities Dealers and certain other stockholders who purchased such shares through the exercise of warrants they purchased in company’s 2000 and 2001 private placements.

The primary and secondary offerings together are worth $555.8 million ($636.6 million).

Merrill Lynch & Co., JP Morgan, and Credit Suisse acted as joint book-running managers and Thomas Weisel Partners LLC, Citigroup, Friedman Billings Ramsey, Keefe, Bruyette & Woods, and Sandler O’Neill & Partners, L.P. acted as co-managers.

Nasdaq and the NASD have granted the underwriters an option to purchase up to an additional 2,084,284 shares of common stock to cover over-allotments, if any, which the underwriters may exercise within 30 days of the date of the final prospectus.