BAMCO Inc and Baron Capital Group Increase Stake in Gartner, Inc. to 10.49%

On June 3, 2026, BAMCO, Inc. and affiliated entities including Baron Capital Group, Inc. and Ronald Baron filed a Schedule 13G/A regarding their holdings in Gartner, Inc. (IT). The filing indicates that BAMCO, Inc. now beneficially owns 7,026,417 shares of Common Stock, representing 10.49% of the class. This reflects a significant increase from the previously reported 5,507,077 shares (7.82% ownership). On an aggregate basis, Baron Capital Group and Ronald Baron report beneficial ownership of 7,558,310 shares, or 11.29% of the company. The shares are held for investment purposes in the ordinary course of business by various subsidiaries and advisory clients, including Baron Partners Fund, which holds a 5.04% stake. The filing persons have shared voting and dispositive power over the reported shares. This amendment (No. 24) underscores the continued and expanding commitment of the Baron Capital entities to their position in Gartner, Inc. as of the event date of May 31, 2026.