A corporate entity that falls within the “accredited investor” category, defined in SEC Rule 501 Section 144(a). A Qualified Institutional Buyer is an entity that owns and invests at least $100 million in securities on a discretionary basis. For a broker-dealer, the threshold is $10 million. Qualified Institutional Buyers include a wide range of entities that includes banks, savings and loans associations with a net worth of at least $25 million, insurance companies, investment companies, employee benefit plans, or entities owned entirely by accredited investors.