A U.S. flag flutters at the Federal Trade Commission (FTC) headquarters in Washington, D.C., U.S., November 24, 2024. REUTERS/Benoit Tessier

(Reuters) -The U.S. Federal Trade Commission is investigating proxy advisory firms Institutional Shareholder Services and Glass Lewis for potential antitrust violations, the Wall Street Journal reported on Wednesday, citing people familiar with the matter.

(Reporting by Ateev Bhandari in Bengaluru; Editing by Alan Barona)