Coolibar Inc., a Minneapolis-based maker of sun protection products for the consumer market, has raised $2.3 million in Series E funding, according to a regulatory filing. Aethlon Capital placed the round, which could be expanded by another $500,000. The company previously raised just over $3 million, from firms like LFE Capital, Aavin Equity Advisors and Rain Source Capital. www.coolibar.com