Gartner

At a glance

Gartner reported 2025 revenue of $6.5B, up 3.7% from $6.27B in 2024. Over 4 years since 2021 ($4.73B), that is growth of about 8.2% a year. Operating margin was 15.8%, down from 19.3% in 2021. 2025 was the highest revenue year in this period.

In the last 12 months 7 insiders reported 2 open-market purchases ($9.9M) and 7 sales ($1.5M). None of the sales were flagged as 10b5-1 plan trades. The largest was a purchase of $9.9M by Director Stephen G Pagliuca on Dec 12, 2025. Net, insiders were buyers of $8.4M.

Gartner filed 8 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), officer or director change (2), shareholder vote results (1) and material agreement (1). The latest officer or director change was reported on Oct 8, 2026. It reported a material agreement or a completed acquisition or disposal 1 time.

2 of the 20 investors tracked here held Gartner at the last quarter end, worth $71.5M combined. It is the largest weight for Renaissance Technologies (0.1% of its portfolio), followed by Bridgewater Associates (0%). New this quarter: Bridgewater Associates. Added: Renaissance Technologies.

Annual results

Fiscal year ends Dec 31 · incorporated in DE

Tracked investors holding (13F)

Weight is the share of each investor's portfolio, as of the quarter end.