San Francisco-based Internet of Things (IoT) startup Helium has closed its Series B funding round of $20 million led by GV (formerly Google Ventures),...

Mesosphere, a company that offers a datacenter operating system (DCOS), has raised $36 million in Series B funding. New investor Khosla Ventures led the round,...

Quantopian, an algorithmic trading platform that lets users create trade based on algorithms they have generated, has raised $15 million in a Series B...

Lumiata, a start-up that makes software that creates personalized treatment recommendations based on patients' health data, has raised $6 million in Series A funding. BlueCross BlueShield Venture Partners and Sandbox Industries join Khosla Ventures as investors in the round. Matt Downs from Sandbox is joining the Lumiata board. Lumiata has raised $10 million to date.

Electronic cash transaction network PayNearMe has closed a $20 million round of financing led by GSV Capital. August Capital, Khosla Ventures, Maveron and True Ventures also participated in the round. PayNearMe says it will use the funds to continue expansion into existing categories, while launching into new vertical markets.