Onna, a company that integrates multiple workplace knowledge platforms, has raised a $27 million Series B investment.

Instabase, a platform company for business applications, has raised $105 million in Series B funding.

Data-as-a-Service company Enigma has raised $95 million.

Scalable database company MemSQL has raised a Series D financing round of $30 million.

Cloud security company OpenDNS has raised a $35 million investment round. Existing investors Greylock Partners, Sequoia Capital and Sutter Hill Ventures participated in the financing, along with Glynn Capital, Cisco, Evolution Equity, Lumia Capital, Mohr Davidow Ventures, and Northgate Capital.