The Raine Group and Premji Invest led a $555m Series C round in Heyday.

The Raine Group and Premji Invest led a $555m Series C round in Heyday, a social-media marketing platform, with participation from General Catalyst, Victory Park Capital, and Khosla Ventures. Heyday said the funds will be using to continue expanding its technology, investing in business development, and to buy up more assets.