Protecting Endowments from Our Adversaries Act

This bill imposes a 50% excise tax on the fair market value of "listed investments" acquired by large private colleges and universities during a taxable year, and a 100% tax on net income from such investments. It defines "listed investments" as any stock, debt, or derivatives held in entities on government security lists (like the Commerce Department's Entity List or FCC Covered List). The tax applies to private institutions with endowments exceeding $1 billion that aren't state universities, targeting investments in entities deemed national security threats. The law requires the Treasury to establish a consolidated list of these entities within 60 days of enactment, with taxes taking effect for acquisitions and income after the first calendar year following enactment.