PennantPark Investment Corporation is a business development company. It specializes in direct and mezzanine investments in middle market companies. It invests in the form of mezzanine debt, senior secured loans, and equity investments. The fund typically invests in building and real estate, hotels and gaming, electronics, healthcare, education and childcare, financial services, printing and publishing, consumer products, business services, energy and utilities, distribution, oil and gas, media, environmental services, aerospace and defense, manufacturing industries and retail. It invests in equity securities and debt transactions through preferred stock, common stock, warrants, options, subordinated loans, mezzanine loans, and senior secured loans. It seeks to invest in companies based in the United States. The fund seeks to invest between $10 million and $50 million in its portfolio companies. Its mezzanine loans, senior secured loans, and other investments in its portfolio companies are between $15 million and $50 million. The fund may also make non-control equity and debt investments.