SCHEDULE 13G/A

Gartner Inc

Common Stock · CUSIP: 366651107

Event date: 2025-03-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• BAMCO INC /NY/

  Shares: 3,551,801 · Class: 4.62%

• Baron Capital Group, Inc.

  Shares: 3,771,609 · Class: 4.91%

• Baron Capital Management, Inc.

  Shares: 219,808 · Class: 0.29%

• Ronald Baron

  Shares: 3,771,609 · Class: 4.91%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.