The corporate-backed big data platform vendor would raise $78m at the midpoint of its range at a $659m valuation.

US-based big data processing platform operator Hortonworks set the range for its initial public offering on Monday between $12 and $14 a share, and will issue 6 million shares.

Were Hortonworks to float at the midpoint of the range, it would raise $78m at a fully diluted market value of $659m.

Underwriters Goldman Sachs, Credit Suisse, RBC Capital Markets, Pacific Crest, Wells Fargo and Blackstone Advisory Partners will have the 30-day option to buy another 900,000 shares, which could…