(Photo by Blend Images - LWA/Dann Tardif/Getty Images) Today population health startup Unite Us announced that it has closed a $150 million Series C funding round. Iconiq Growth led the round, with participation from Emerson Collective, Optum Ventures, Transformation Capital, Define Ventures, Salesforce Ventures, Town Hall Ventures and other healthcare partners. This comes roughly two years after the company raised $35 million in Series B funding to fuel its growth and boost the company into unicorn territory with a valuation of more than $1.6 billion. WHAT IT DOES The New York-based company is focused on the social determinants of health. Its technology is focused on connecting community-based organizations to health organization, insurers, governments and nonprofits.