HYI vs SPRO Comparison

Western Asset High Yield Defined Opps. is a non-diversified, limited-term, closed-end management investment company. The company's investment objective is to provide high income and seek capital appreciation. The fund invests a majority of its net assets in a portfolio of high-yield corporate fixed-income securities issued or originated by U.S. or foreign public or private corporations and other business entities, with varying maturities.

Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing, and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. Besides, it is also focused on SPR206, a next-generation polymyxin investigational product candidate being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.