Senior care shift scheduling SaaS company OnShift has closed $18 million in Series D financing. Health Velocity Capital led the round, with participation from the company's existing institutional investors Draper Triangle Ventures, Early Stage Partners, Fifth Third Capital, HLM Venture Partners, North Coast Venture Fund, and West Capital Advisors.

ShareThis has secured $23 million in Series C financing. In another development, the company acquired mobile social platform Socialize. ShareThis' new round of funding is led...