Codiak BioSciences Inc, an exosome therapeutics company, has secured $76.5 million in Series C financing . Codiak's investors include ARCH Venture Partners, Flagship Pioneering, Fidelity Management and Research Company, the Alaska Permanent Fund, Alexandria Venture Investments, Qatar Investment Authority, Boxer Capital of the Tavistock Group, Sirona Capital, EcoR1 Capital and Casdin Capital. Codiak BioSciences Inc, an exosome therapeutics company, has secured $76.5 million in Series C financing .