IBM stock gains sizable stakes from two investment firms

During the fourth quarter, two institutional investors increased their holdings in International Business Machines Corporation (NYSE:IBM). HighTower Advisors LLC raised its stake by 3.8%, bringing its total to 1,419,413 shares after purchasing an additional 51,727 shares, as disclosed in a recent SEC 13F filing. RiverFront Investment Group LLC also expanded its position, boosting its IBM stake by 24.3% in the same period, according to its 13F filing.

Both increases were reported by the companies in filings with the U.S. Securities and Exchange Commission, indicating heightened investor interest in IBM shares.