Initially, Bhāgavatas were not organized as a movement or sect. Subsequently many bhakti movements of Bhāgavatas came into being.
"Bhagavān." The Concise Oxford Dictionary of World Religions. . Encyclopedia.com. (March 25, 2018). http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/bhagavan
"Bhagavān." The Concise Oxford Dictionary of World Religions. . Retrieved March 25, 2018 from Encyclopedia.com: http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/bhagavan