Kodiak Sciences Inc. closed a public offering of common shares, raising about $317.4 million in gross proceeds.

The Palo Alto, Calif.-based company sold 6.9 million shares at $46 apiece. This includes 900,000 additional shares sold part of underwriters' full exercise of their overallotment option.

J.P. Morgan Goldman Sachs & Co. LLC and Jefferies acted as joint book-running managers while SunTrust Robinson Humphrey was the lead manager for the offering. Chardan acted as co-manager.

Kodiak Sciences provides novel therapeutics for the treatment of eye diseases.