Institutional Investors Hold Significant Stake in O'Reilly Automotive, Inc. (NASDAQ:ORLY)

O'Reilly Automotive's stock price may be vulnerable to institutional investors who own 86% of the company. The top 25 shareholders own 49% of the company, while insiders have been selling recently. Institutions tend to have access to huge amounts of capital, so their market moves receive scrutiny from retail investors. The Vanguard Group, Inc. is the largest shareholder with 9.4% of shares outstanding.